Mercurial > repos > shellac > sam_consensus_v3

annotate env/lib/python3.9/site-packages/rdflib/term.py @ 0:4f3585e2f14b draft default tip

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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
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1 """
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2 This module defines the different types of terms. Terms are the kinds of
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3 objects that can appear in a quoted/asserted triple. This includes those
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4 that are core to RDF:
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5
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6 * :class:`Blank Nodes <rdflib.term.BNode>`
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7 * :class:`URI References <rdflib.term.URIRef>`
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8 * :class:`Literals <rdflib.term.Literal>` (which consist of a literal value,datatype and language tag)
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9
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10 Those that extend the RDF model into N3:
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11
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12 * :class:`Formulae <rdflib.graph.QuotedGraph>`
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13 * :class:`Universal Quantifications (Variables) <rdflib.term.Variable>`
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14
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15 And those that are primarily for matching against 'Nodes' in the
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16 underlying Graph:
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17
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18 * REGEX Expressions
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19 * Date Ranges
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20 * Numerical Ranges
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21
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22 """
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23 from __future__ import absolute_import
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24 from __future__ import division
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25 from __future__ import print_function
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26 # from __future__ import unicode_literals
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27 from fractions import Fraction
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28
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29 __all__ = [
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30 'bind',
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31
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32 'Node',
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33 'Identifier',
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34
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35 'URIRef',
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36 'BNode',
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37 'Literal',
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38
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39 'Variable',
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40 'Statement',
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41 ]
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42
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43 import logging
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44 logger = logging.getLogger(__name__)
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45 import warnings
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46 import math
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47
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48 import base64
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49 import xml.dom.minidom
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50
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51 from datetime import date, time, datetime, timedelta
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52 from re import sub, compile
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53 from collections import defaultdict
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54 from unicodedata import category
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55
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56 from isodate import parse_time, parse_date, parse_datetime, Duration, parse_duration, duration_isoformat
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57 from binascii import hexlify, unhexlify
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58
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59 import rdflib
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60 from six import PY2
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61 from six import PY3
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62 from six import b
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63 from rdflib.compat import long_type
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64 from six import string_types
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65 from six import text_type
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66 from six.moves.urllib.parse import urldefrag
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67 from six.moves.urllib.parse import urljoin
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68 from six.moves.urllib.parse import urlparse
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69
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70 skolem_genid = "/.well-known/genid/"
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71 rdflib_skolem_genid = "/.well-known/genid/rdflib/"
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72 skolems = {}
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73
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74
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75 _invalid_uri_chars = '<>" {}|\\^`'
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76
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77
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78 def _is_valid_uri(uri):
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79 return all(map(lambda c: ord(c) > 256 or not c in _invalid_uri_chars, uri))
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80
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81
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82 _lang_tag_regex = compile('^[a-zA-Z]+(?:-[a-zA-Z0-9]+)*$')
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83
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84
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85 def _is_valid_langtag(tag):
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86 return bool(_lang_tag_regex.match(tag))
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87
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88
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89 def _is_valid_unicode(value):
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90 """
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91 Verify that the provided value can be converted into a Python
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92 unicode object.
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93 """
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94 if isinstance(value, bytes):
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95 coding_func, param = getattr(value, 'decode'), 'utf-8'
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96 elif PY3:
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97 coding_func, param = str, value
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98 else:
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99 coding_func, param = unicode, value
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100
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101 # try to convert value into unicode
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102 try:
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103 coding_func(param)
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104 except UnicodeError:
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105 return False
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106 return True
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107
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108
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109 class Node(object):
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110 """
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111 A Node in the Graph.
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112 """
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113
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114 __slots__ = ()
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115
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116
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117 class Identifier(Node, text_type): # allow Identifiers to be Nodes in the Graph
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118 """
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119 See http://www.w3.org/2002/07/rdf-identifer-terminology/
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120 regarding choice of terminology.
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121 """
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122
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123 __slots__ = ()
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124
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125 def __new__(cls, value):
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126 return text_type.__new__(cls, value)
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127
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128 def eq(self, other):
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129 """A "semantic"/interpreted equality function,
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130 by default, same as __eq__"""
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131 return self.__eq__(other)
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132
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133 def neq(self, other):
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134 """A "semantic"/interpreted not equal function,
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135 by default, same as __ne__"""
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136 return self.__ne__(other)
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137
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138 def __ne__(self, other):
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139 return not self.__eq__(other)
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140
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141 def __eq__(self, other):
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142 """
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143 Equality for Nodes.
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144
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145 >>> BNode("foo")==None
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146 False
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147 >>> BNode("foo")==URIRef("foo")
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148 False
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149 >>> URIRef("foo")==BNode("foo")
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150 False
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151 >>> BNode("foo")!=URIRef("foo")
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152 True
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153 >>> URIRef("foo")!=BNode("foo")
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154 True
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155 >>> Variable('a')!=URIRef('a')
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156 True
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157 >>> Variable('a')!=Variable('a')
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158 False
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159 """
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160
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161 if type(self) == type(other):
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162 return text_type(self) == text_type(other)
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163 else:
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164 return False
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165
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166 def __gt__(self, other):
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167 """
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168 This implements ordering for Nodes,
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169
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170 This tries to implement this:
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171 http://www.w3.org/TR/sparql11-query/#modOrderBy
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172
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173 Variables are not included in the SPARQL list, but
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174 they are greater than BNodes and smaller than everything else
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175
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176 """
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177 if other is None:
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178 return True # everything bigger than None
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179 elif type(self) == type(other):
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180 return text_type(self) > text_type(other)
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181 elif isinstance(other, Node):
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182 return _ORDERING[type(self)] > _ORDERING[type(other)]
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183
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184 return NotImplemented
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185
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186 def __lt__(self, other):
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187 if other is None:
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188 return False # Nothing is less than None
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189 elif type(self) == type(other):
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190 return text_type(self) < text_type(other)
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191 elif isinstance(other, Node):
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192 return _ORDERING[type(self)] < _ORDERING[type(other)]
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193
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194 return NotImplemented
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195
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196 def __le__(self, other):
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197 r = self.__lt__(other)
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198 if r:
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199 return True
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200 return self == other
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201
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202 def __ge__(self, other):
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203 r = self.__gt__(other)
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204 if r:
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205 return True
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206 return self == other
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207
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208 # use parent's hash for efficiency reasons
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209 # clashes of 'foo', URIRef('foo') and Literal('foo') are typically so rare
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210 # that they don't justify additional overhead. Notice that even in case of
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211 # clash __eq__ is still the fallback and very quick in those cases.
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212 __hash__ = text_type.__hash__
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213
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214
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215 class URIRef(Identifier):
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216 """
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217 RDF URI Reference: http://www.w3.org/TR/rdf-concepts/#section-Graph-URIref
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218 """
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219
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220 __slots__ = ()
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221
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222 def __new__(cls, value, base=None):
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223 if base is not None:
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224 ends_in_hash = value.endswith("#")
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225 value = urljoin(base, value, allow_fragments=1)
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226 if ends_in_hash:
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227 if not value.endswith("#"):
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228 value += "#"
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229
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230 if not _is_valid_uri(value):
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231 logger.warning('%s does not look like a valid URI, trying to serialize this will break.'%value)
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232
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233
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234 try:
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235 rt = text_type.__new__(cls, value)
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236 except UnicodeDecodeError:
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237 rt = text_type.__new__(cls, value, 'utf-8')
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238 return rt
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239
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240 def toPython(self):
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241 return text_type(self)
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242
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243 def n3(self, namespace_manager=None):
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244 """
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245 This will do a limited check for valid URIs,
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246 essentially just making sure that the string includes no illegal
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247 characters (``<, >, ", {, }, |, \\, `, ^``)
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248
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249 :param namespace_manager: if not None, will be used to make up
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250 a prefixed name
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251 """
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252
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253 if not _is_valid_uri(self):
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254 raise Exception('"%s" does not look like a valid URI, I cannot serialize this as N3/Turtle. Perhaps you wanted to urlencode it?'%self)
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255
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256 if namespace_manager:
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257 return namespace_manager.normalizeUri(self)
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258 else:
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259 return "<%s>" % self
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260
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261 def defrag(self):
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262 if "#" in self:
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263 url, frag = urldefrag(self)
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264 return URIRef(url)
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265 else:
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266 return self
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267
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268 def __reduce__(self):
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269 return (URIRef, (text_type(self),))
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270
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271 def __getnewargs__(self):
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272 return (text_type(self), )
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273
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274 if PY2:
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275 def __str__(self):
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276 return self.encode()
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277
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278 def __repr__(self):
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279 if self.__class__ is URIRef:
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280 clsName = "rdflib.term.URIRef"
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281 else:
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282 clsName = self.__class__.__name__
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283
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284 return """%s(%s)""" % (clsName, super(URIRef, self).__repr__())
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285
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286 def __add__(self, other):
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287 return self.__class__(text_type(self) + other)
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288
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289 def __radd__(self, other):
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290 return self.__class__(other + text_type(self))
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291
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292 def __mod__(self, other):
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293 return self.__class__(text_type(self) % other)
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294
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295 def de_skolemize(self):
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296 """ Create a Blank Node from a skolem URI, in accordance
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297 with http://www.w3.org/TR/rdf11-concepts/#section-skolemization.
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298 This function accepts only rdflib type skolemization, to provide
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299 a round-tripping within the system.
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300
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301 .. versionadded:: 4.0
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302 """
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303 if isinstance(self, RDFLibGenid):
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304 parsed_uri = urlparse("%s" % self)
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305 return BNode(
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306 value=parsed_uri.path[len(rdflib_skolem_genid):])
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307 elif isinstance(self, Genid):
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308 bnode_id = "%s" % self
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309 if bnode_id in skolems:
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310 return skolems[bnode_id]
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311 else:
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312 retval = BNode()
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313 skolems[bnode_id] = retval
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314 return retval
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315 else:
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316 raise Exception("<%s> is not a skolem URI" % self)
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317
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318
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319 class Genid(URIRef):
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320 __slots__ = ()
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321
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322 @staticmethod
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323 def _is_external_skolem(uri):
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324 if not isinstance(uri, string_types):
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325 uri = str(uri)
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326 parsed_uri = urlparse(uri)
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327 gen_id = parsed_uri.path.rfind(skolem_genid)
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328 if gen_id != 0:
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329 return False
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330 return True
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331
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332
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333 class RDFLibGenid(Genid):
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334 __slots__ = ()
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335
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336 @staticmethod
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337 def _is_rdflib_skolem(uri):
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338 if not isinstance(uri, string_types):
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339 uri = str(uri)
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340 parsed_uri = urlparse(uri)
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341 if parsed_uri.params != "" \
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342 or parsed_uri.query != "" \
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343 or parsed_uri.fragment != "":
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344 return False
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345 gen_id = parsed_uri.path.rfind(rdflib_skolem_genid)
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346 if gen_id != 0:
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347 return False
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348 return True
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349
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350
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351 def _unique_id():
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352 # Used to read: """Create a (hopefully) unique prefix"""
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353 # now retained merely to leave interal API unchanged.
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354 # From BNode.__new__() below ...
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355 #
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356 # acceptable bnode value range for RDF/XML needs to be
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357 # something that can be serialzed as a nodeID for N3
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358 #
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359 # BNode identifiers must be valid NCNames" _:[A-Za-z][A-Za-z0-9]*
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360 # http://www.w3.org/TR/2004/REC-rdf-testcases-20040210/#nodeID
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361 return "N" # ensure that id starts with a letter
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362
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363
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364 def _serial_number_generator():
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365 """
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366 Generates UUID4-based but ncname-compliant identifiers.
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367 """
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368 from uuid import uuid4
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369
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370 def _generator():
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371 return uuid4().hex
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372
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373 return _generator
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374
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375
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376 class BNode(Identifier):
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377 """
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378 Blank Node: http://www.w3.org/TR/rdf-concepts/#section-blank-nodes
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379
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380 """
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381 __slots__ = ()
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382
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383 def __new__(cls, value=None,
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384 _sn_gen=_serial_number_generator(), _prefix=_unique_id()):
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385 """
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386 # only store implementations should pass in a value
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387 """
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388 if value is None:
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389 # so that BNode values do not collide with ones created with
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390 # a different instance of this module at some other time.
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391 node_id = _sn_gen()
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392 value = "%s%s" % (_prefix, node_id)
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393 else:
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394 # TODO: check that value falls within acceptable bnode value range
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395 # for RDF/XML needs to be something that can be serialzed
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396 # as a nodeID for N3 ?? Unless we require these
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397 # constraints be enforced elsewhere?
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398 pass # assert is_ncname(text_type(value)), "BNode identifiers
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399 # must be valid NCNames" _:[A-Za-z][A-Za-z0-9]*
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400 # http://www.w3.org/TR/2004/REC-rdf-testcases-20040210/#nodeID
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401 return Identifier.__new__(cls, value)
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402
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403 def toPython(self):
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404 return text_type(self)
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405
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406 def n3(self, namespace_manager=None):
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407 return "_:%s" % self
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408
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409 def __getnewargs__(self):
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410 return (text_type(self), )
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411
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412 def __reduce__(self):
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413 return (BNode, (text_type(self),))
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414
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415 if PY2:
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416 def __str__(self):
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417 return self.encode()
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418
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419 def __repr__(self):
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420 if self.__class__ is BNode:
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421 clsName = "rdflib.term.BNode"
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422 else:
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423 clsName = self.__class__.__name__
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424 return """%s('%s')""" % (clsName, str(self))
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425
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426 def skolemize(self, authority=None, basepath=None):
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427 """ Create a URIRef "skolem" representation of the BNode, in accordance
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428 with http://www.w3.org/TR/rdf11-concepts/#section-skolemization
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429
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430 .. versionadded:: 4.0
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431 """
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432 if authority is None:
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433 authority = "http://rdlib.net/"
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434 if basepath is None:
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435 basepath = rdflib_skolem_genid
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436 skolem = "%s%s" % (basepath, text_type(self))
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437 return URIRef(urljoin(authority, skolem))
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438
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439
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440 class Literal(Identifier):
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441 __doc__ = """
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442 RDF Literal: http://www.w3.org/TR/rdf-concepts/#section-Graph-Literal
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443
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444 The lexical value of the literal is the unicode object
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445 The interpreted, datatyped value is available from .value
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446
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447 Language tags must be valid according to :rfc:5646
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448
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449 For valid XSD datatypes, the lexical form is optionally normalized
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450 at construction time. Default behaviour is set by rdflib.NORMALIZE_LITERALS
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451 and can be overridden by the normalize parameter to __new__
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452
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453 Equality and hashing of Literals are done based on the lexical form, i.e.:
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454
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455 >>> from rdflib.namespace import XSD
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456
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457 >>> Literal('01')!=Literal('1') # clear - strings differ
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458 True
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459
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460 but with data-type they get normalized:
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461
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462 >>> Literal('01', datatype=XSD.integer)!=Literal('1', datatype=XSD.integer)
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463 False
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464
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465 unless disabled:
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466
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467 >>> Literal('01', datatype=XSD.integer, normalize=False)!=Literal('1', datatype=XSD.integer)
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468 True
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469
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470
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471 Value based comparison is possible:
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472
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473 >>> Literal('01', datatype=XSD.integer).eq(Literal('1', datatype=XSD.float))
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474 True
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475
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476 The eq method also provides limited support for basic python types:
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477
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diff changeset
478 >>> Literal(1).eq(1) # fine - int compatible with xsd:integer
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479 True
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480 >>> Literal('a').eq('b') # fine - str compatible with plain-lit
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481 False
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482 >>> Literal('a', datatype=XSD.string).eq('a') # fine - str compatible with xsd:string
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483 True
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484 >>> Literal('a').eq(1) # not fine, int incompatible with plain-lit
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485 NotImplemented
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486
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487 Greater-than/less-than ordering comparisons are also done in value
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488 space, when compatible datatypes are used. Incompatible datatypes
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489 are ordered by DT, or by lang-tag. For other nodes the ordering
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490 is None < BNode < URIRef < Literal
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491
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492 Any comparison with non-rdflib Node are "NotImplemented"
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493 In PY2.X some stable order will be made up by python
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494
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495 In PY3 this is an error.
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496
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497 >>> from rdflib import Literal, XSD
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498 >>> lit2006 = Literal('2006-01-01',datatype=XSD.date)
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499 >>> lit2006.toPython()
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500 datetime.date(2006, 1, 1)
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501 >>> lit2006 < Literal('2007-01-01',datatype=XSD.date)
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502 True
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503 >>> Literal(datetime.utcnow()).datatype
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504 rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#dateTime')
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505 >>> Literal(1) > Literal(2) # by value
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506 False
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507 >>> Literal(1) > Literal(2.0) # by value
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508 False
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509 >>> Literal('1') > Literal(1) # by DT
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510 True
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511 >>> Literal('1') < Literal('1') # by lexical form
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512 False
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diff changeset
513 >>> Literal('a', lang='en') > Literal('a', lang='fr') # by lang-tag
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514 False
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parents:
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515 >>> Literal(1) > URIRef('foo') # by node-type
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parents:
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516 True
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parents:
diff changeset
517
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518 The > < operators will eat this NotImplemented and either make up
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parents:
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519 an ordering (py2.x) or throw a TypeError (py3k):
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parents:
diff changeset
520
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parents:
diff changeset
521 >>> Literal(1).__gt__(2.0)
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parents:
diff changeset
522 NotImplemented
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parents:
diff changeset
523
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parents:
diff changeset
524
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parents:
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525 """
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parents:
diff changeset
526
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parents:
diff changeset
527 if not PY3:
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parents:
diff changeset
528 __slots__ = ("language", "datatype", "value", "_language",
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529 "_datatype", "_value")
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530 else:
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531 __slots__ = ("_language", "_datatype", "_value")
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532
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533 def __new__(cls, lexical_or_value, lang=None, datatype=None, normalize=None):
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534
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535 if lang == '':
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536 lang = None # no empty lang-tags in RDF
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537
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538 normalize = normalize if normalize is not None else rdflib.NORMALIZE_LITERALS
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539
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540 if lang is not None and datatype is not None:
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parents:
diff changeset
541 raise TypeError(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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542 "A Literal can only have one of lang or datatype, "
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parents:
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543 "per http://www.w3.org/TR/rdf-concepts/#section-Graph-Literal")
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parents:
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544
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parents:
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545 if lang and not _is_valid_langtag(lang):
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parents:
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546 raise Exception("'%s' is not a valid language tag!" % lang)
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parents:
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547
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548 if datatype:
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parents:
diff changeset
549 datatype = URIRef(datatype)
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550
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551 value = None
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parents:
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552 if isinstance(lexical_or_value, Literal):
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parents:
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553 # create from another Literal instance
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554
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555 lang = lang or lexical_or_value.language
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parents:
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556 if datatype:
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parents:
diff changeset
557 # override datatype
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558 value = _castLexicalToPython(lexical_or_value, datatype)
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parents:
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559 else:
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560 datatype = lexical_or_value.datatype
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561 value = lexical_or_value.value
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parents:
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562
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563 elif isinstance(lexical_or_value, string_types) or (PY3 and isinstance(lexical_or_value, bytes)):
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parents:
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564 # passed a string
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diff changeset
565 # try parsing lexical form of datatyped literal
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566 value = _castLexicalToPython(lexical_or_value, datatype)
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parents:
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567
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568 if value is not None and normalize:
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parents:
diff changeset
569 _value, _datatype = _castPythonToLiteral(value, datatype)
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570 if _value is not None and _is_valid_unicode(_value):
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571 lexical_or_value = _value
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parents:
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572
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573 else:
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parents:
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574 # passed some python object
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575 value = lexical_or_value
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parents:
diff changeset
576 _value, _datatype = _castPythonToLiteral(lexical_or_value, datatype)
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parents:
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577
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578 datatype = datatype or _datatype
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579 if _value is not None:
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diff changeset
580 lexical_or_value = _value
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diff changeset
581 if datatype:
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parents:
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582 lang = None
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583
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diff changeset
584 if PY3 and isinstance(lexical_or_value, bytes):
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parents:
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585 lexical_or_value = lexical_or_value.decode('utf-8')
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parents:
diff changeset
586
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diff changeset
587 try:
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parents:
diff changeset
588 inst = text_type.__new__(cls, lexical_or_value)
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parents:
diff changeset
589 except UnicodeDecodeError:
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parents:
diff changeset
590 inst = text_type.__new__(cls, lexical_or_value, 'utf-8')
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parents:
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591
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parents:
diff changeset
592 inst._language = lang
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parents:
diff changeset
593 inst._datatype = datatype
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parents:
diff changeset
594 inst._value = value
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parents:
diff changeset
595 return inst
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parents:
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596
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parents:
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597 def normalize(self):
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parents:
diff changeset
598 """
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parents:
diff changeset
599 Returns a new literal with a normalised lexical representation
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
600 of this literal
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shellac
parents:
diff changeset
601 >>> from rdflib import XSD
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parents:
diff changeset
602 >>> Literal("01", datatype=XSD.integer, normalize=False).normalize()
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603 rdflib.term.Literal(u'1', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
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parents:
diff changeset
604
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parents:
diff changeset
605 Illegal lexical forms for the datatype given are simply passed on
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parents:
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606 >>> Literal("a", datatype=XSD.integer, normalize=False)
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parents:
diff changeset
607 rdflib.term.Literal(u'a', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
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parents:
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608
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shellac
parents:
diff changeset
609 """
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shellac
parents:
diff changeset
610
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parents:
diff changeset
611 if self.value is not None:
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parents:
diff changeset
612 return Literal(self.value, datatype=self.datatype, lang=self.language)
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613 else:
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parents:
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614 return self
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parents:
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615
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parents:
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616 @property
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617 def value(self):
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618 return self._value
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diff changeset
619
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diff changeset
620 @property
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621 def language(self):
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622 return self._language
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diff changeset
623
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diff changeset
624 @property
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parents:
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625 def datatype(self):
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parents:
diff changeset
626 return self._datatype
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627
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628 def __reduce__(self):
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diff changeset
629 return (Literal, (text_type(self), self.language, self.datatype),)
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parents:
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630
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631 def __getstate__(self):
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632 return (None, dict(language=self.language, datatype=self.datatype))
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633
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634 def __setstate__(self, arg):
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parents:
diff changeset
635 _, d = arg
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diff changeset
636 self._language = d["language"]
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637 self._datatype = d["datatype"]
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638
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639 def __add__(self, val):
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diff changeset
640 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
641 >>> Literal(1) + 1
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
642 rdflib.term.Literal(u'2', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
643 >>> Literal("1") + "1"
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
644 rdflib.term.Literal(u'11')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
645 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
646
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
647 # if no val is supplied, return this Literal
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
648 if val is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
649 return self
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
650
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
651 # convert the val to a Literal, if it isn't already one
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
652 if not isinstance(val, Literal):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
653 val = Literal(val)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
654
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
655 # if the datatypes are the same, just add the Python values and convert back
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
656 if self.datatype == val.datatype:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
657 return Literal(self.toPython() + val.toPython(), self.language, datatype=self.datatype)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
658 # if the datatypes are not the same but are both numeric, add the Python values and strip off decimal junk
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
659 # (i.e. tiny numbers (more than 17 decimal places) and trailing zeros) and return as a decimal
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
660 elif (
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
661 self.datatype in _NUMERIC_LITERAL_TYPES
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
662 and
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
663 val.datatype in _NUMERIC_LITERAL_TYPES
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
664 ):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
665 return Literal(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
666 Decimal(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
667 ('%f' % round(Decimal(self.toPython()) + Decimal(val.toPython()), 15)).rstrip('0').rstrip('.')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
668 ),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
669 datatype=_XSD_DECIMAL
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
670 )
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
671 # in all other cases, perform string concatenation
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
672 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
673 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
674 s = text_type.__add__(self, val)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
675 except TypeError:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
676 s = str(self.value) + str(val)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
677
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
678 # if the original datatype is string-like, use that
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
679 if self.datatype in _STRING_LITERAL_TYPES:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
680 new_datatype = self.datatype
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
681 # if not, use string
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
682 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
683 new_datatype = _XSD_STRING
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
684
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
685 return Literal(s, self.language, datatype=new_datatype)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
686
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
687 def __bool__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
688 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
689 Is the Literal "True"
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
690 This is used for if statements, bool(literal), etc.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
691 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
692 if self.value is not None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
693 return bool(self.value)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
694 return len(self) != 0
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
695
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
696 if PY2:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
697 __nonzero__ = __bool__
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
698
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
699 def __neg__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
700 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
701 >>> (- Literal(1))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
702 rdflib.term.Literal(u'-1', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
703 >>> (- Literal(10.5))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
704 rdflib.term.Literal(u'-10.5', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#double'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
705 >>> from rdflib.namespace import XSD
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
706 >>> (- Literal("1", datatype=XSD.integer))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
707 rdflib.term.Literal(u'-1', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
708
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
709 >>> (- Literal("1"))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
710 Traceback (most recent call last):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
711 File "<stdin>", line 1, in <module>
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
712 TypeError: Not a number; rdflib.term.Literal(u'1')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
713 >>>
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
714 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
715
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
716 if isinstance(self.value, (int, long_type, float)):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
717 return Literal(self.value.__neg__())
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
718 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
719 raise TypeError("Not a number; %s" % repr(self))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
720
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
721 def __pos__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
722 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
723 >>> (+ Literal(1))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
724 rdflib.term.Literal(u'1', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
725 >>> (+ Literal(-1))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
726 rdflib.term.Literal(u'-1', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
727 >>> from rdflib.namespace import XSD
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
728 >>> (+ Literal("-1", datatype=XSD.integer))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
729 rdflib.term.Literal(u'-1', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
730
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
731 >>> (+ Literal("1"))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
732 Traceback (most recent call last):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
733 File "<stdin>", line 1, in <module>
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
734 TypeError: Not a number; rdflib.term.Literal(u'1')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
735 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
736 if isinstance(self.value, (int, long_type, float)):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
737 return Literal(self.value.__pos__())
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
738 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
739 raise TypeError("Not a number; %s" % repr(self))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
740
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
741 def __abs__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
742 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
743 >>> abs(Literal(-1))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
744 rdflib.term.Literal(u'1', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
745
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
746 >>> from rdflib.namespace import XSD
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
747 >>> abs( Literal("-1", datatype=XSD.integer))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
748 rdflib.term.Literal(u'1', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
749
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
750 >>> abs(Literal("1"))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
751 Traceback (most recent call last):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
752 File "<stdin>", line 1, in <module>
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
753 TypeError: Not a number; rdflib.term.Literal(u'1')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
754 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
755 if isinstance(self.value, (int, long_type, float)):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
756 return Literal(self.value.__abs__())
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
757 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
758 raise TypeError("Not a number; %s" % repr(self))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
759
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
760 def __invert__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
761 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
762 >>> ~(Literal(-1))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
763 rdflib.term.Literal(u'0', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
764
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
765 >>> from rdflib.namespace import XSD
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
766 >>> ~( Literal("-1", datatype=XSD.integer))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
767 rdflib.term.Literal(u'0', datatype=rdflib.term.URIRef(u'http://www.w3.org/2001/XMLSchema#integer'))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
768
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
769 Not working:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
770
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
771 >>> ~(Literal("1"))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
772 Traceback (most recent call last):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
773 File "<stdin>", line 1, in <module>
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
774 TypeError: Not a number; rdflib.term.Literal(u'1')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
775 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
776 if isinstance(self.value, (int, long_type, float)):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
777 return Literal(self.value.__invert__())
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
778 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
779 raise TypeError("Not a number; %s" % repr(self))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
780
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
781 def __gt__(self, other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
782 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
783
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
784 This implements ordering for Literals,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
785 the other comparison methods delegate here
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
786
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
787 This tries to implement this:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
788 http://www.w3.org/TR/sparql11-query/#modOrderBy
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
789
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
790 In short, Literals with compatible data-types are ordered in value
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
791 space, i.e.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
792 >>> from rdflib import XSD
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
793
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
794 >>> Literal(1) > Literal(2) # int/int
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
795 False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
796 >>> Literal(2.0) > Literal(1) # double/int
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
797 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
798 >>> from decimal import Decimal
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
799 >>> Literal(Decimal("3.3")) > Literal(2.0) # decimal/double
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
800 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
801 >>> Literal(Decimal("3.3")) < Literal(4.0) # decimal/double
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
802 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
803 >>> Literal('b') > Literal('a') # plain lit/plain lit
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
804 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
805 >>> Literal('b') > Literal('a', datatype=XSD.string) # plain lit/xsd:str
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
806 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
807
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
808 Incompatible datatype mismatches ordered by DT
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
809
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
810 >>> Literal(1) > Literal("2") # int>string
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
811 False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
812
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
813 Langtagged literals by lang tag
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
814 >>> Literal("a", lang="en") > Literal("a", lang="fr")
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
815 False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
816 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
817 if other is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
818 return True # Everything is greater than None
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
819 if isinstance(other, Literal):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
820
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
821 if self.datatype in _NUMERIC_LITERAL_TYPES and \
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
822 other.datatype in _NUMERIC_LITERAL_TYPES:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
823 return self.value > other.value
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
824
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
825 # plain-literals and xsd:string literals
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
826 # are "the same"
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
827 dtself = self.datatype or _XSD_STRING
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
828 dtother = other.datatype or _XSD_STRING
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
829
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
830 if dtself != dtother:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
831 if rdflib.DAWG_LITERAL_COLLATION:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
832 return NotImplemented
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
833 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
834 return dtself > dtother
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
835
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
836 if self.language != other.language:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
837 if not self.language:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
838 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
839 elif not other.language:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
840 return True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
841 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
842 return self.language > other.language
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
843
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
844 if self.value is not None and other.value is not None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
845 if type(self.value) in _TOTAL_ORDER_CASTERS:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
846 caster = _TOTAL_ORDER_CASTERS[type(self.value)]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
847 return caster(self.value) > caster(other.value)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
848
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
849 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
850 return self.value > other.value
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
851 except TypeError:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
852 pass
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
853
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
854 if text_type(self) != text_type(other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
855 return text_type(self) > text_type(other)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
856
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
857 # same language, same lexical form, check real dt
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
858 # plain-literals come before xsd:string!
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
859 if self.datatype != other.datatype:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
860 if not self.datatype:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
861 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
862 elif not other.datatype:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
863 return True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
864 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
865 return self.datatype > other.datatype
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
866
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
867 return False # they are the same
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
868
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
869 elif isinstance(other, Node):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
870 return True # Literal are the greatest!
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
871 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
872 return NotImplemented # we can only compare to nodes
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
873
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
874 def __lt__(self, other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
875 if other is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
876 return False # Nothing is less than None
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
877 if isinstance(other, Literal):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
878 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
879 return not self.__gt__(other) and not self.eq(other)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
880 except TypeError:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
881 return NotImplemented
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
882 if isinstance(other, Node):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
883 return False # all nodes are less-than Literals
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
884
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
885 return NotImplemented
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
886
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
887 def __le__(self, other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
888 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
889 >>> from rdflib.namespace import XSD
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
890 >>> Literal('2007-01-01T10:00:00', datatype=XSD.dateTime
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
891 ... ) <= Literal('2007-01-01T10:00:00', datatype=XSD.dateTime)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
892 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
893 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
894 r = self.__lt__(other)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
895 if r:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
896 return True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
897 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
898 return self.eq(other)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
899 except TypeError:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
900 return NotImplemented
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
901
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
902 def __ge__(self, other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
903 r = self.__gt__(other)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
904 if r:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
905 return True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
906 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
907 return self.eq(other)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
908 except TypeError:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
909 return NotImplemented
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
910
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
911 def _comparable_to(self, other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
912 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
913 Helper method to decide which things are meaningful to
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
914 rich-compare with this literal
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
915 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
916 if isinstance(other, Literal):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
917 if (self.datatype and other.datatype):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
918 # two datatyped literals
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
919 if not self.datatype in XSDToPython or not other.datatype in XSDToPython:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
920 # non XSD DTs must match
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
921 if self.datatype != other.datatype:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
922 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
923
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
924 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
925 # xsd:string may be compared with plain literals
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
926 if not (self.datatype == _XSD_STRING and not other.datatype) or \
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
927 (other.datatype == _XSD_STRING and not self.datatype):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
928 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
929
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
930 # if given lang-tag has to be case insensitive equal
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
931 if (self.language or "").lower() != (other.language or "").lower():
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
932 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
933
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
934 return True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
935
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
936 def __hash__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
937 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
938 >>> from rdflib.namespace import XSD
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
939 >>> a = {Literal('1', datatype=XSD.integer):'one'}
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
940 >>> Literal('1', datatype=XSD.double) in a
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
941 False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
942
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
943
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
944 "Called for the key object for dictionary operations,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
945 and by the built-in function hash(). Should return
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
946 a 32-bit integer usable as a hash value for
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
947 dictionary operations. The only required property
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
948 is that objects which compare equal have the same
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
949 hash value; it is advised to somehow mix together
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
950 (e.g., using exclusive or) the hash values for the
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
951 components of the object that also play a part in
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
952 comparison of objects." -- 3.4.1 Basic customization (Python)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
953
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
954 "Two literals are equal if and only if all of the following hold:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
955 * The strings of the two lexical forms compare equal, character by
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
956 character.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
957 * Either both or neither have language tags.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
958 * The language tags, if any, compare equal.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
959 * Either both or neither have datatype URIs.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
960 * The two datatype URIs, if any, compare equal, character by
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
961 character."
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
962 -- 6.5.1 Literal Equality (RDF: Concepts and Abstract Syntax)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
963
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
964 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
965 # don't use super()... for efficiency reasons, see Identifier.__hash__
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
966 res = text_type.__hash__(self)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
967 if self.language:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
968 res ^= hash(self.language.lower())
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
969 if self.datatype:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
970 res ^= hash(self.datatype)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
971 return res
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
972
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
973 def __eq__(self, other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
974 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
975 Literals are only equal to other literals.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
976
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
977 "Two literals are equal if and only if all of the following hold:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
978 * The strings of the two lexical forms compare equal, character by character.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
979 * Either both or neither have language tags.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
980 * The language tags, if any, compare equal.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
981 * Either both or neither have datatype URIs.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
982 * The two datatype URIs, if any, compare equal, character by character."
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
983 -- 6.5.1 Literal Equality (RDF: Concepts and Abstract Syntax)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
984
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
985 >>> Literal("1", datatype=URIRef("foo")) == Literal("1", datatype=URIRef("foo"))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
986 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
987 >>> Literal("1", datatype=URIRef("foo")) == Literal("1", datatype=URIRef("foo2"))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
988 False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
989
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
990 >>> Literal("1", datatype=URIRef("foo")) == Literal("2", datatype=URIRef("foo"))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
991 False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
992 >>> Literal("1", datatype=URIRef("foo")) == "asdf"
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
993 False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
994 >>> from rdflib import XSD
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
995 >>> Literal('2007-01-01', datatype=XSD.date) == Literal('2007-01-01', datatype=XSD.date)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
996 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
997 >>> Literal('2007-01-01', datatype=XSD.date) == date(2007, 1, 1)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
998 False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
999 >>> Literal("one", lang="en") == Literal("one", lang="en")
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1000 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1001 >>> Literal("hast", lang='en') == Literal("hast", lang='de')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1002 False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1003 >>> Literal("1", datatype=XSD.integer) == Literal(1)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1004 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1005 >>> Literal("1", datatype=XSD.integer) == Literal("01", datatype=XSD.integer)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1006 True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1007
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1008 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1009 if self is other:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1010 return True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1011 if other is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1012 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1013 if isinstance(other, Literal):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1014 return self.datatype == other.datatype \
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1015 and (self.language.lower() if self.language else None) == (other.language.lower() if other.language else None) \
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shellac
parents:
diff changeset
1016 and text_type.__eq__(self, other)
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shellac
parents:
diff changeset
1017
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shellac
parents:
diff changeset
1018 return False
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shellac
parents:
diff changeset
1019
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shellac
parents:
diff changeset
1020 def eq(self, other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1021 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1022 Compare the value of this literal with something else
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1023
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1024 Either, with the value of another literal
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1025 comparisons are then done in literal "value space",
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1026 and according to the rules of XSD subtype-substitution/type-promotion
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1027
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1028 OR, with a python object:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1029
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shellac
parents:
diff changeset
1030 basestring objects can be compared with plain-literals,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1031 or those with datatype xsd:string
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1032
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shellac
parents:
diff changeset
1033 bool objects with xsd:boolean
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shellac
parents:
diff changeset
1034
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shellac
parents:
diff changeset
1035 a int, long or float with numeric xsd types
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shellac
parents:
diff changeset
1036
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shellac
parents:
diff changeset
1037 isodate date,time,datetime objects with xsd:date,xsd:time or xsd:datetime
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1038
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shellac
parents:
diff changeset
1039 Any other operations returns NotImplemented
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shellac
parents:
diff changeset
1040
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shellac
parents:
diff changeset
1041 """
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shellac
parents:
diff changeset
1042 if isinstance(other, Literal):
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shellac
parents:
diff changeset
1043
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parents:
diff changeset
1044 if self.datatype in _NUMERIC_LITERAL_TYPES \
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1045 and other.datatype in _NUMERIC_LITERAL_TYPES:
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shellac
parents:
diff changeset
1046 if self.value is not None and other.value is not None:
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shellac
parents:
diff changeset
1047 return self.value == other.value
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shellac
parents:
diff changeset
1048 else:
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parents:
diff changeset
1049 if text_type.__eq__(self, other):
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shellac
parents:
diff changeset
1050 return True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1051 raise TypeError(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1052 'I cannot know that these two lexical forms do not map to the same value: %s and %s' % (self, other))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1053 if (self.language or "").lower() != (other.language or "").lower():
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1054 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1055
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shellac
parents:
diff changeset
1056 dtself = self.datatype or _XSD_STRING
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1057 dtother = other.datatype or _XSD_STRING
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shellac
parents:
diff changeset
1058
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shellac
parents:
diff changeset
1059 if (dtself == _XSD_STRING and dtother == _XSD_STRING):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1060 # string/plain literals, compare on lexical form
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1061 return text_type.__eq__(self, other)
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shellac
parents:
diff changeset
1062
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shellac
parents:
diff changeset
1063 if dtself != dtother:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1064 if rdflib.DAWG_LITERAL_COLLATION:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1065 raise TypeError("I don't know how to compare literals with datatypes %s and %s" % (
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1066 self.datatype, other.datatype))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1067 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1068 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1069
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shellac
parents:
diff changeset
1070 # matching non-string DTs now - do we compare values or
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1071 # lexical form first? comparing two ints is far quicker -
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1072 # maybe there are counter examples
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shellac
parents:
diff changeset
1073
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shellac
parents:
diff changeset
1074 if self.value is not None and other.value is not None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1075
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shellac
parents:
diff changeset
1076 if self.datatype in (_RDF_XMLLITERAL, _RDF_HTMLLITERAL):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1077 return _isEqualXMLNode(self.value, other.value)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1078
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shellac
parents:
diff changeset
1079 return self.value == other.value
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1080 else:
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shellac
parents:
diff changeset
1081
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shellac
parents:
diff changeset
1082 if text_type.__eq__(self, other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1083 return True
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shellac
parents:
diff changeset
1084
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shellac
parents:
diff changeset
1085 if self.datatype == _XSD_STRING:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1086 return False # string value space=lexical space
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shellac
parents:
diff changeset
1087
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shellac
parents:
diff changeset
1088 # matching DTs, but not matching, we cannot compare!
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1089 raise TypeError(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1090 'I cannot know that these two lexical forms do not map to the same value: %s and %s' % (self, other))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1091
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shellac
parents:
diff changeset
1092 elif isinstance(other, Node):
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shellac
parents:
diff changeset
1093 return False # no non-Literal nodes are equal to a literal
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1094
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shellac
parents:
diff changeset
1095 elif isinstance(other, string_types):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1096 # only plain-literals can be directly compared to strings
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1097
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1098 # TODO: Is "blah"@en eq "blah" ?
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1099 if self.language is not None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1100 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1101
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1102 if (self.datatype == _XSD_STRING or self.datatype is None):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1103 return text_type(self) == other
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1104
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shellac
parents:
diff changeset
1105 elif isinstance(other, (int, long_type, float)):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1106 if self.datatype in _NUMERIC_LITERAL_TYPES:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1107 return self.value == other
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1108 elif isinstance(other, (date, datetime, time)):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1109 if self.datatype in (_XSD_DATETIME, _XSD_DATE, _XSD_TIME):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1110 return self.value == other
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1111 elif isinstance(other, (timedelta, Duration)):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1112 if self.datatype in (_XSD_DURATION, _XSD_DAYTIMEDURATION, _XSD_YEARMONTHDURATION):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1113 return self.value == other
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1114 elif isinstance(other, bool):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1115 if self.datatype == _XSD_BOOLEAN:
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shellac
parents:
diff changeset
1116 return self.value == other
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shellac
parents:
diff changeset
1117
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shellac
parents:
diff changeset
1118 return NotImplemented
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shellac
parents:
diff changeset
1119
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shellac
parents:
diff changeset
1120 def neq(self, other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1121 return not self.eq(other)
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shellac
parents:
diff changeset
1122
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shellac
parents:
diff changeset
1123 def n3(self, namespace_manager=None):
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shellac
parents:
diff changeset
1124 r'''
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shellac
parents:
diff changeset
1125 Returns a representation in the N3 format.
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shellac
parents:
diff changeset
1126
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shellac
parents:
diff changeset
1127 Examples::
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shellac
parents:
diff changeset
1128
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shellac
parents:
diff changeset
1129 >>> Literal("foo").n3()
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shellac
parents:
diff changeset
1130 u'"foo"'
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shellac
parents:
diff changeset
1131
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shellac
parents:
diff changeset
1132 Strings with newlines or triple-quotes::
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shellac
parents:
diff changeset
1133
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shellac
parents:
diff changeset
1134 >>> Literal("foo\nbar").n3()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1135 u'"""foo\nbar"""'
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shellac
parents:
diff changeset
1136
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shellac
parents:
diff changeset
1137 >>> Literal("''\'").n3()
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shellac
parents:
diff changeset
1138 u'"\'\'\'"'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1139
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shellac
parents:
diff changeset
1140 >>> Literal('"""').n3()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1141 u'"\\"\\"\\""'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1142
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1143 Language::
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1144
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1145 >>> Literal("hello", lang="en").n3()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1146 u'"hello"@en'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1147
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1148 Datatypes::
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1149
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1150 >>> Literal(1).n3()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1151 u'"1"^^<http://www.w3.org/2001/XMLSchema#integer>'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1152
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1153 >>> Literal(1.0).n3()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1154 u'"1.0"^^<http://www.w3.org/2001/XMLSchema#double>'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1155
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1156 >>> Literal(True).n3()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1157 u'"true"^^<http://www.w3.org/2001/XMLSchema#boolean>'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1158
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1159 Datatype and language isn't allowed (datatype takes precedence)::
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1160
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1161 >>> Literal(1, lang="en").n3()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1162 u'"1"^^<http://www.w3.org/2001/XMLSchema#integer>'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1163
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1164 Custom datatype::
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1165
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1166 >>> footype = URIRef("http://example.org/ns#foo")
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1167 >>> Literal("1", datatype=footype).n3()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1168 u'"1"^^<http://example.org/ns#foo>'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1169
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1170 Passing a namespace-manager will use it to abbreviate datatype URIs:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1171
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1172 >>> from rdflib import Graph
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1173 >>> Literal(1).n3(Graph().namespace_manager)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1174 u'"1"^^xsd:integer'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1175 '''
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1176 if namespace_manager:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1177 return self._literal_n3(qname_callback=namespace_manager.normalizeUri)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1178 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1179 return self._literal_n3()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1180
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1181 def _literal_n3(self, use_plain=False, qname_callback=None):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1182 '''
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1183 Using plain literal (shorthand) output::
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1184 >>> from rdflib.namespace import XSD
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1185
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1186 >>> Literal(1)._literal_n3(use_plain=True)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1187 u'1'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1188
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1189 >>> Literal(1.0)._literal_n3(use_plain=True)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1190 u'1e+00'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1191
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1192 >>> Literal(1.0, datatype=XSD.decimal)._literal_n3(use_plain=True)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1193 u'1.0'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1194
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1195 >>> Literal(1.0, datatype=XSD.float)._literal_n3(use_plain=True)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1196 u'"1.0"^^<http://www.w3.org/2001/XMLSchema#float>'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1197
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1198 >>> Literal("foo", datatype=XSD.string)._literal_n3(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1199 ... use_plain=True)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1200 u'"foo"^^<http://www.w3.org/2001/XMLSchema#string>'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1201
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1202 >>> Literal(True)._literal_n3(use_plain=True)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1203 u'true'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1204
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1205 >>> Literal(False)._literal_n3(use_plain=True)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1206 u'false'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1207
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1208 >>> Literal(1.91)._literal_n3(use_plain=True)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1209 u'1.91e+00'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1210
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1211 Only limited precision available for floats:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1212 >>> Literal(0.123456789)._literal_n3(use_plain=True)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1213 u'1.234568e-01'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1214
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1215 >>> Literal('0.123456789',
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1216 ... datatype=XSD.decimal)._literal_n3(use_plain=True)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1217 u'0.123456789'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1218
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1219 Using callback for datatype QNames::
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1220
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1221 >>> Literal(1)._literal_n3(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1222 ... qname_callback=lambda uri: "xsd:integer")
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1223 u'"1"^^xsd:integer'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1224
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1225 '''
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1226 if use_plain and self.datatype in _PLAIN_LITERAL_TYPES:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1227 if self.value is not None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1228 # If self is inf or NaN, we need a datatype
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1229 # (there is no plain representation)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1230 if self.datatype in _NUMERIC_INF_NAN_LITERAL_TYPES:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1231 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1232 v = float(self)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1233 if math.isinf(v) or math.isnan(v):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1234 return self._literal_n3(False, qname_callback)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1235 except ValueError:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1236 return self._literal_n3(False, qname_callback)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1237
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1238 # this is a bit of a mess -
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1239 # in py >=2.6 the string.format function makes this easier
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1240 # we try to produce "pretty" output
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1241 if self.datatype == _XSD_DOUBLE:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1242 return sub("\\.?0*e", "e", u'%e' % float(self))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1243 elif self.datatype == _XSD_DECIMAL:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1244 s = '%s' % self
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1245 if '.' not in s:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1246 s += '.0'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1247 return s
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1248
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1249 elif self.datatype == _XSD_BOOLEAN:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1250 return (u'%s' % self).lower()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1251 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1252 return u'%s' % self
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1253
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1254 encoded = self._quote_encode()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1255
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1256 datatype = self.datatype
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1257 quoted_dt = None
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1258 if datatype:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1259 if qname_callback:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1260 quoted_dt = qname_callback(datatype)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1261 if not quoted_dt:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1262 quoted_dt = "<%s>" % datatype
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1263 if datatype in _NUMERIC_INF_NAN_LITERAL_TYPES:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1264 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1265 v = float(self)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1266 if math.isinf(v):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1267 # py string reps: float: 'inf', Decimal: 'Infinity"
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1268 # both need to become "INF" in xsd datatypes
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1269 encoded = encoded.replace('inf', 'INF').replace(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1270 'Infinity', 'INF')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1271 if math.isnan(v):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1272 encoded = encoded.replace('nan', 'NaN')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1273 except ValueError:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1274 # if we can't cast to float something is wrong, but we can
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1275 # still serialize. Warn user about it
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1276 warnings.warn("Serializing weird numerical %r" % self)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1277
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1278 language = self.language
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1279 if language:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1280 return '%s@%s' % (encoded, language)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1281 elif datatype:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1282 return '%s^^%s' % (encoded, quoted_dt)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1283 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1284 return '%s' % encoded
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1285
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1286 def _quote_encode(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1287 # This simpler encoding doesn't work; a newline gets encoded as "\\n",
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1288 # which is ok in sourcecode, but we want "\n".
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1289 # encoded = self.encode('unicode-escape').replace(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1290 # '\\', '\\\\').replace('"','\\"')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1291 # encoded = self.replace.replace('\\', '\\\\').replace('"','\\"')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1292
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1293 # NOTE: Could in theory chose quotes based on quotes appearing in the
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1294 # string, i.e. '"' and "'", but N3/turtle doesn't allow "'"(?).
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1295
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1296 if "\n" in self:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1297 # Triple quote this string.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1298 encoded = self.replace('\\', '\\\\')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1299 if '"""' in self:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1300 # is this ok?
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1301 encoded = encoded.replace('"""', '\\"\\"\\"')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1302 if encoded[-1] == '"' and encoded[-2] != '\\':
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1303 encoded = encoded[:-1] + '\\' + '"'
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1304
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1305 return '"""%s"""' % encoded.replace('\r', '\\r')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1306 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1307 return '"%s"' % self.replace(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1308 '\n', '\\n').replace(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1309 '\\', '\\\\').replace(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1310 '"', '\\"').replace(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1311 '\r', '\\r')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1312
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1313 if PY2:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1314 def __str__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1315 return self.encode()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1316
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1317 def __repr__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1318 args = [super(Literal, self).__repr__()]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1319 if self.language is not None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1320 args.append("lang=%s" % repr(self.language))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1321 if self.datatype is not None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1322 args.append("datatype=%s" % repr(self.datatype))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1323 if self.__class__ == Literal:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1324 clsName = "rdflib.term.Literal"
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1325 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1326 clsName = self.__class__.__name__
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1327 return """%s(%s)""" % (clsName, ", ".join(args))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1328
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1329 def toPython(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1330 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1331 Returns an appropriate python datatype derived from this RDF Literal
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1332 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1333
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1334 if self.value is not None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1335 return self.value
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1336 return self
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1337
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1338
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1339 def _parseXML(xmlstring):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1340 if PY2:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1341 xmlstring = xmlstring.encode('utf-8')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1342 retval = xml.dom.minidom.parseString(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1343 "<rdflibtoplevelelement>%s</rdflibtoplevelelement>" % xmlstring)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1344 retval.normalize()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1345 return retval
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1346
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1347
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1348 def _parseHTML(htmltext):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1349 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1350 import html5lib
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1351 parser = html5lib.HTMLParser(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1352 tree=html5lib.treebuilders.getTreeBuilder("dom"))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1353 retval = parser.parseFragment(htmltext)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1354 retval.normalize()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1355 return retval
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1356 except ImportError:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1357 raise ImportError(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1358 "HTML5 parser not available. Try installing" +
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1359 " html5lib <http://code.google.com/p/html5lib>")
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1360
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1361
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1362 def _writeXML(xmlnode):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1363 if isinstance(xmlnode, xml.dom.minidom.DocumentFragment):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1364 d = xml.dom.minidom.Document()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1365 d.childNodes += xmlnode.childNodes
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1366 xmlnode = d
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1367 s = xmlnode.toxml('utf-8')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1368 # for clean round-tripping, remove headers -- I have great and
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1369 # specific worries that this will blow up later, but this margin
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1370 # is too narrow to contain them
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1371 if s.startswith(b('<?xml version="1.0" encoding="utf-8"?>')):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1372 s = s[38:]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1373 if s.startswith(b('<rdflibtoplevelelement>')):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1374 s = s[23:-24]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1375 if s == b('<rdflibtoplevelelement/>'):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1376 s = b('')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1377 return s
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1378
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1379
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1380 def _unhexlify(value):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1381 # In Python 3.2, unhexlify does not support str (only bytes)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1382 if PY3 and isinstance(value, str):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1383 value = value.encode()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1384 return unhexlify(value)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1385
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1386 def _parseBoolean(value):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1387 true_accepted_values = ['1', 'true']
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1388 false_accepted_values = ['0', 'false']
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1389 new_value = value.lower()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1390 if new_value in true_accepted_values:
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parents:
diff changeset
1391 return True
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parents:
diff changeset
1392 if new_value not in false_accepted_values:
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parents:
diff changeset
1393 warnings.warn('Parsing weird boolean, % r does not map to True or False' % value, category = DeprecationWarning)
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parents:
diff changeset
1394 return False
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parents:
diff changeset
1395
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parents:
diff changeset
1396 # Cannot import Namespace/XSD because of circular dependencies
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parents:
diff changeset
1397 _XSD_PFX = 'http://www.w3.org/2001/XMLSchema#'
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shellac
parents:
diff changeset
1398 _RDF_PFX = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'
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parents:
diff changeset
1399
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parents:
diff changeset
1400 _RDF_XMLLITERAL = URIRef(_RDF_PFX + 'XMLLiteral')
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shellac
parents:
diff changeset
1401 _RDF_HTMLLITERAL = URIRef(_RDF_PFX + 'HTML')
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parents:
diff changeset
1402
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parents:
diff changeset
1403 _XSD_STRING = URIRef(_XSD_PFX + 'string')
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parents:
diff changeset
1404
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parents:
diff changeset
1405 _XSD_FLOAT = URIRef(_XSD_PFX + 'float')
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parents:
diff changeset
1406 _XSD_DOUBLE = URIRef(_XSD_PFX + 'double')
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parents:
diff changeset
1407 _XSD_DECIMAL = URIRef(_XSD_PFX + 'decimal')
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parents:
diff changeset
1408 _XSD_INTEGER = URIRef(_XSD_PFX + 'integer')
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parents:
diff changeset
1409 _XSD_BOOLEAN = URIRef(_XSD_PFX + 'boolean')
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parents:
diff changeset
1410
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parents:
diff changeset
1411 _XSD_DATETIME = URIRef(_XSD_PFX + 'dateTime')
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parents:
diff changeset
1412 _XSD_DATE = URIRef(_XSD_PFX + 'date')
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parents:
diff changeset
1413 _XSD_TIME = URIRef(_XSD_PFX + 'time')
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parents:
diff changeset
1414 _XSD_DURATION = URIRef(_XSD_PFX + 'duration')
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parents:
diff changeset
1415 _XSD_DAYTIMEDURATION = URIRef(_XSD_PFX + 'dayTimeDuration')
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shellac
parents:
diff changeset
1416 _XSD_YEARMONTHDURATION = URIRef(_XSD_PFX + 'yearMonthDuration')
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diff changeset
1417
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parents:
diff changeset
1418 _OWL_RATIONAL = URIRef('http://www.w3.org/2002/07/owl#rational')
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parents:
diff changeset
1419 _XSD_HEXBINARY = URIRef(_XSD_PFX + 'hexBinary')
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parents:
diff changeset
1420 # TODO: gYearMonth, gYear, gMonthDay, gDay, gMonth
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parents:
diff changeset
1421
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diff changeset
1422 _NUMERIC_LITERAL_TYPES = (
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parents:
diff changeset
1423 _XSD_INTEGER,
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parents:
diff changeset
1424 _XSD_DECIMAL,
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parents:
diff changeset
1425 _XSD_DOUBLE,
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parents:
diff changeset
1426 URIRef(_XSD_PFX + 'float'),
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parents:
diff changeset
1427
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parents:
diff changeset
1428 URIRef(_XSD_PFX + 'byte'),
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parents:
diff changeset
1429 URIRef(_XSD_PFX + 'int'),
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parents:
diff changeset
1430 URIRef(_XSD_PFX + 'long'),
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shellac
parents:
diff changeset
1431 URIRef(_XSD_PFX + 'negativeInteger'),
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shellac
parents:
diff changeset
1432 URIRef(_XSD_PFX + 'nonNegativeInteger'),
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shellac
parents:
diff changeset
1433 URIRef(_XSD_PFX + 'nonPositiveInteger'),
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shellac
parents:
diff changeset
1434 URIRef(_XSD_PFX + 'positiveInteger'),
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parents:
diff changeset
1435 URIRef(_XSD_PFX + 'short'),
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parents:
diff changeset
1436 URIRef(_XSD_PFX + 'unsignedByte'),
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shellac
parents:
diff changeset
1437 URIRef(_XSD_PFX + 'unsignedInt'),
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parents:
diff changeset
1438 URIRef(_XSD_PFX + 'unsignedLong'),
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parents:
diff changeset
1439 URIRef(_XSD_PFX + 'unsignedShort'),
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diff changeset
1440
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diff changeset
1441 )
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diff changeset
1442
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diff changeset
1443 # these have "native" syntax in N3/SPARQL
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parents:
diff changeset
1444 _PLAIN_LITERAL_TYPES = (
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parents:
diff changeset
1445 _XSD_INTEGER,
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diff changeset
1446 _XSD_BOOLEAN,
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parents:
diff changeset
1447 _XSD_DOUBLE,
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parents:
diff changeset
1448 _XSD_DECIMAL,
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shellac
parents:
diff changeset
1449 _OWL_RATIONAL
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parents:
diff changeset
1450 )
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diff changeset
1451
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diff changeset
1452 # these have special INF and NaN XSD representations
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shellac
parents:
diff changeset
1453 _NUMERIC_INF_NAN_LITERAL_TYPES = (
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shellac
parents:
diff changeset
1454 URIRef(_XSD_PFX + 'float'),
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parents:
diff changeset
1455 _XSD_DOUBLE,
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parents:
diff changeset
1456 _XSD_DECIMAL,
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parents:
diff changeset
1457 )
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diff changeset
1458
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shellac
parents:
diff changeset
1459 # the following types need special treatment for reasonable sorting because
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shellac
parents:
diff changeset
1460 # certain instances can't be compared to each other. We treat this by
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shellac
parents:
diff changeset
1461 # partitioning and then sorting within those partitions.
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shellac
parents:
diff changeset
1462 _TOTAL_ORDER_CASTERS = {
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shellac
parents:
diff changeset
1463 datetime: lambda value: (
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shellac
parents:
diff changeset
1464 # naive vs. aware
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parents:
diff changeset
1465 value.tzinfo is not None and value.tzinfo.utcoffset(value) is not None,
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parents:
diff changeset
1466 value
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parents:
diff changeset
1467 ),
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parents:
diff changeset
1468 time: lambda value: (
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shellac
parents:
diff changeset
1469 # naive vs. aware
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parents:
diff changeset
1470 value.tzinfo is not None and value.tzinfo.utcoffset(None) is not None,
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parents:
diff changeset
1471 value
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parents:
diff changeset
1472 ),
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shellac
parents:
diff changeset
1473 xml.dom.minidom.Document: lambda value: value.toxml(),
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shellac
parents:
diff changeset
1474 }
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shellac
parents:
diff changeset
1475
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parents:
diff changeset
1476
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parents:
diff changeset
1477 _STRING_LITERAL_TYPES = (
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shellac
parents:
diff changeset
1478 _XSD_STRING,
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shellac
parents:
diff changeset
1479 _RDF_XMLLITERAL,
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shellac
parents:
diff changeset
1480 _RDF_HTMLLITERAL,
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shellac
parents:
diff changeset
1481 URIRef(_XSD_PFX + 'normalizedString'),
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shellac
parents:
diff changeset
1482 URIRef(_XSD_PFX + 'token')
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shellac
parents:
diff changeset
1483 )
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shellac
parents:
diff changeset
1484
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shellac
parents:
diff changeset
1485
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shellac
parents:
diff changeset
1486 def _py2literal(obj, pType, castFunc, dType):
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shellac
parents:
diff changeset
1487 if castFunc:
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parents:
diff changeset
1488 return castFunc(obj), dType
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diff changeset
1489 elif dType:
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parents:
diff changeset
1490 return obj, dType
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diff changeset
1491 else:
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parents:
diff changeset
1492 return obj, None
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diff changeset
1493
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parents:
diff changeset
1494
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diff changeset
1495 def _castPythonToLiteral(obj, datatype):
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shellac
parents:
diff changeset
1496 """
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diff changeset
1497 Casts a tuple of a python type and a special datatype URI to a tuple of the lexical value and a
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parents:
diff changeset
1498 datatype URI (or None)
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diff changeset
1499 """
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diff changeset
1500 for (pType, dType), castFunc in _SpecificPythonToXSDRules:
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shellac
parents:
diff changeset
1501 if isinstance(obj, pType) and dType == datatype:
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shellac
parents:
diff changeset
1502 return _py2literal(obj, pType, castFunc, dType)
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parents:
diff changeset
1503
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diff changeset
1504 for pType, (castFunc, dType) in _GenericPythonToXSDRules:
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parents:
diff changeset
1505 if isinstance(obj, pType):
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parents:
diff changeset
1506 return _py2literal(obj, pType, castFunc, dType)
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shellac
parents:
diff changeset
1507 return obj, None # TODO: is this right for the fall through case?
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parents:
diff changeset
1508
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parents:
diff changeset
1509
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shellac
parents:
diff changeset
1510 from decimal import Decimal
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shellac
parents:
diff changeset
1511
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1512 # Mappings from Python types to XSD datatypes and back (borrowed from sparta)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1513 # datetime instances are also instances of date... so we need to order these.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1514
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1515 # SPARQL/Turtle/N3 has shortcuts for integer, double, decimal
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1516 # python has only float - to be in tune with sparql/n3/turtle
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1517 # we default to XSD.double for float literals
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1518
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1519 # python ints are promoted to longs when overflowing
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1520 # python longs have no limit
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1521 # both map to the abstract integer type,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1522 # rather than some concrete bit-limited datatype
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1523 _GenericPythonToXSDRules = [
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1524 (string_types, (None, None)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1525 (float, (None, _XSD_DOUBLE)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1526 (bool, (lambda i:str(i).lower(), _XSD_BOOLEAN)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1527 (int, (None, _XSD_INTEGER)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1528 (long_type, (None, _XSD_INTEGER)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1529 (Decimal, (None, _XSD_DECIMAL)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1530 (datetime, (lambda i:i.isoformat(), _XSD_DATETIME)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1531 (date, (lambda i:i.isoformat(), _XSD_DATE)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1532 (time, (lambda i:i.isoformat(), _XSD_TIME)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1533 (Duration, (lambda i:duration_isoformat(i), _XSD_DURATION)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1534 (timedelta, (lambda i:duration_isoformat(i), _XSD_DAYTIMEDURATION)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1535 (xml.dom.minidom.Document, (_writeXML, _RDF_XMLLITERAL)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1536 # this is a bit dirty - by accident the html5lib parser produces
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1537 # DocumentFragments, and the xml parser Documents, letting this
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1538 # decide what datatype to use makes roundtripping easier, but it a
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1539 # bit random
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1540 (xml.dom.minidom.DocumentFragment, (_writeXML, _RDF_HTMLLITERAL)),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1541 (Fraction, (None, _OWL_RATIONAL))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1542 ]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1543
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1544 _SpecificPythonToXSDRules = [
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1545 ((string_types, _XSD_HEXBINARY), hexlify),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1546 ]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1547 if PY3:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1548 _SpecificPythonToXSDRules.append(((bytes, _XSD_HEXBINARY), hexlify))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1549
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1550 XSDToPython = {
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1551 None: None, # plain literals map directly to value space
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1552 URIRef(_XSD_PFX + 'time'): parse_time,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1553 URIRef(_XSD_PFX + 'date'): parse_date,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1554 URIRef(_XSD_PFX + 'gYear'): parse_date,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1555 URIRef(_XSD_PFX + 'gYearMonth'): parse_date,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1556 URIRef(_XSD_PFX + 'dateTime'): parse_datetime,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1557 URIRef(_XSD_PFX + 'duration'): parse_duration,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1558 URIRef(_XSD_PFX + 'dayTimeDuration'): parse_duration,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1559 URIRef(_XSD_PFX + 'yearMonthDuration'): parse_duration,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1560 URIRef(_XSD_PFX + 'hexBinary'): _unhexlify,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1561 URIRef(_XSD_PFX + 'string'): None,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1562 URIRef(_XSD_PFX + 'normalizedString'): None,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1563 URIRef(_XSD_PFX + 'token'): None,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1564 URIRef(_XSD_PFX + 'language'): None,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1565 URIRef(_XSD_PFX + 'boolean'): _parseBoolean,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1566 URIRef(_XSD_PFX + 'decimal'): Decimal,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1567 URIRef(_XSD_PFX + 'integer'): long_type,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1568 URIRef(_XSD_PFX + 'nonPositiveInteger'): int,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1569 URIRef(_XSD_PFX + 'long'): long_type,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1570 URIRef(_XSD_PFX + 'nonNegativeInteger'): int,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1571 URIRef(_XSD_PFX + 'negativeInteger'): int,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1572 URIRef(_XSD_PFX + 'int'): long_type,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1573 URIRef(_XSD_PFX + 'unsignedLong'): long_type,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1574 URIRef(_XSD_PFX + 'positiveInteger'): int,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1575 URIRef(_XSD_PFX + 'short'): int,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1576 URIRef(_XSD_PFX + 'unsignedInt'): long_type,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1577 URIRef(_XSD_PFX + 'byte'): int,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1578 URIRef(_XSD_PFX + 'unsignedShort'): int,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1579 URIRef(_XSD_PFX + 'unsignedByte'): int,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1580 URIRef(_XSD_PFX + 'float'): float,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1581 URIRef(_XSD_PFX + 'double'): float,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1582 URIRef(_XSD_PFX + 'base64Binary'): lambda s: base64.b64decode(s),
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1583 URIRef(_XSD_PFX + 'anyURI'): None,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1584 _RDF_XMLLITERAL: _parseXML,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1585 _RDF_HTMLLITERAL: _parseHTML
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1586 }
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1587
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1588 _toPythonMapping = {}
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1589
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1590 _toPythonMapping.update(XSDToPython)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1591
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1592
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1593 def _castLexicalToPython(lexical, datatype):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1594 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1595 Map a lexical form to the value-space for the given datatype
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1596 :returns: a python object for the value or ``None``
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1597 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1598 convFunc = _toPythonMapping.get(datatype, False)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1599 if convFunc:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1600 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1601 return convFunc(lexical)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1602 except:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1603 # not a valid lexical representation for this dt
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1604 return None
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1605 elif convFunc is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1606 # no conv func means 1-1 lexical<->value-space mapping
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1607 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1608 return text_type(lexical)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1609 except UnicodeDecodeError:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1610 return text_type(lexical, 'utf-8')
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1611 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1612 # no convFunc - unknown data-type
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1613 return None
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1614
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1615
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1616 def bind(datatype, pythontype, constructor=None, lexicalizer=None, datatype_specific=False):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1617 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1618 register a new datatype<->pythontype binding
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1619
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1620 :param constructor: an optional function for converting lexical forms
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1621 into a Python instances, if not given the pythontype
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1622 is used directly
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1623
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1624 :param lexicalizer: an optional function for converting python objects to
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1625 lexical form, if not given object.__str__ is used
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1626
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1627 :param datatype_specific: makes the lexicalizer function be accessible
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1628 from the pair (pythontype, datatype) if set to True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1629 or from the pythontype otherwise. False by default
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1630 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1631 if datatype_specific and datatype is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1632 raise Exception("No datatype given for a datatype-specific binding")
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1633
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1634 if datatype in _toPythonMapping:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1635 logger.warning("datatype '%s' was already bound. Rebinding." %
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1636 datatype)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1637
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1638 if constructor is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1639 constructor = pythontype
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1640 _toPythonMapping[datatype] = constructor
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1641 if datatype_specific:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1642 _SpecificPythonToXSDRules.append(((pythontype, datatype), lexicalizer))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1643 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1644 _GenericPythonToXSDRules.append((pythontype, (lexicalizer, datatype)))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1645
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1646
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1647 class Variable(Identifier):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1648 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1649 A Variable - this is used for querying, or in Formula aware
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1650 graphs, where Variables can stored in the graph
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1651 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1652 __slots__ = ()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1653
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1654 def __new__(cls, value):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1655 if len(value) == 0:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1656 raise Exception(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1657 "Attempted to create variable with empty string as name!")
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1658 if value[0] == '?':
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1659 value = value[1:]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1660 return text_type.__new__(cls, value)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1661
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1662 def __repr__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1663 if self.__class__ is Variable:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1664 clsName = "rdflib.term.Variable"
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1665 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1666 clsName = self.__class__.__name__
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1667
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1668 return """%s(%s)""" % (clsName, super(Variable, self).__repr__())
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1669
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1670 def toPython(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1671 return "?%s" % self
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1672
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1673 def n3(self, namespace_manager=None):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1674 return "?%s" % self
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1675
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1676 def __reduce__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1677 return (Variable, (text_type(self),))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1678
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1679
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1680 class Statement(Node, tuple):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1681
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1682 def __new__(cls, triple, context):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1683 subject, predicate, object = triple
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1684 warnings.warn(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1685 "Class Statement is deprecated, and will be removed in " +
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1686 "the future. If you use this please let rdflib-dev know!",
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1687 category=DeprecationWarning, stacklevel=2)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1688 return tuple.__new__(cls, ((subject, predicate, object), context))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1689
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1690 def __reduce__(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1691 return (Statement, (self[0], self[1]))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1692
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1693 def toPython(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1694 return (self[0], self[1])
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1695
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1696
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1697 # Nodes are ordered like this
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1698 # See http://www.w3.org/TR/sparql11-query/#modOrderBy
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1699 # we leave "space" for more subclasses of Node elsewhere
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1700 # default-dict to grazefully fail for new subclasses
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1701 _ORDERING = defaultdict(int)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1702 _ORDERING.update({
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1703 BNode: 10,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1704 Variable: 20,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1705 URIRef: 30,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1706 Literal: 40
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1707 })
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1708
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1709
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1710 def _isEqualXMLNode(node, other):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1711 from xml.dom.minidom import Node
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1712
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1713 def recurse():
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1714 # Recursion through the children
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1715 # In Python2, the semantics of 'map' is such that the check on
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1716 # length would be unnecessary. In Python 3,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1717 # the semantics of map has changed (why, oh why???) and the check
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1718 # for the length becomes necessary...
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1719 if len(node.childNodes) != len(other.childNodes):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1720 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1721 for (nc, oc) in map(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1722 lambda x, y: (x, y), node.childNodes, other.childNodes):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1723 if not _isEqualXMLNode(nc, oc):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1724 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1725 # if we got here then everything is fine:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1726 return True
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1727
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1728 if node is None or other is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1729 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1730
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1731 if node.nodeType != other.nodeType:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1732 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1733
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1734 if node.nodeType in [Node.DOCUMENT_NODE, Node.DOCUMENT_FRAGMENT_NODE]:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1735 return recurse()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1736
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1737 elif node.nodeType == Node.ELEMENT_NODE:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1738 # Get the basics right
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1739 if not (node.tagName == other.tagName and
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1740 node.namespaceURI == other.namespaceURI):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1741 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1742
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1743 # Handle the (namespaced) attributes; the namespace setting key
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1744 # should be ignored, though
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1745 # Note that the minidom orders the keys already, so we do not have
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1746 # to worry about that, which is a bonus...
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1747 n_keys = [
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1748 k for k in node.attributes.keysNS()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1749 if k[0] != 'http://www.w3.org/2000/xmlns/']
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1750 o_keys = [
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1751 k for k in other.attributes.keysNS()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1752 if k[0] != 'http://www.w3.org/2000/xmlns/']
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1753 if len(n_keys) != len(o_keys):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1754 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1755 for k in n_keys:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1756 if not (k in o_keys
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1757 and node.getAttributeNS(k[0], k[1]) ==
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1758 other.getAttributeNS(k[0], k[1])):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1759 return False
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1760
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1761 # if we got here, the attributes are all right, we can go down
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1762 # the tree recursively
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1763 return recurse()
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1764
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1765 elif node.nodeType in [
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1766 Node.TEXT_NODE, Node.COMMENT_NODE, Node.CDATA_SECTION_NODE,
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1767 Node.NOTATION_NODE]:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1768 return node.data == other.data
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1769
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1770 elif node.nodeType == Node.PROCESSING_INSTRUCTION_NODE:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1771 return node.data == other.data and node.target == other.target
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1772
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1773 elif node.nodeType == Node.ENTITY_NODE:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1774 return node.nodeValue == other.nodeValue
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1775
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1776 elif node.nodeType == Node.DOCUMENT_TYPE_NODE:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1777 return node.publicId == other.publicId \
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1778 and node.systemId == other.system.Id
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1779
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1780 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1781 # should not happen, in fact
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1782 raise Exception(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1783 'I dont know how to compare XML Node type: %s' % node.nodeType)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1784
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1785
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1786 if __name__ == '__main__':
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1787 import doctest
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
1788 doctest.testmod()