Mercurial > repos > shellac > sam_consensus_v3

annotate env/lib/python3.9/site-packages/rdflib/namespace.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 from __future__ import absolute_import
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2 from __future__ import division
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3 from __future__ import print_function
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4
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5 import logging
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6
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7 import os
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8 from unicodedata import category
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9
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10 from six import string_types
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11 from six import text_type
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12
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13 from six.moves.urllib.request import pathname2url
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14 from six.moves.urllib.parse import urldefrag
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15 from six.moves.urllib.parse import urljoin
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16
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17 from rdflib.term import URIRef, Variable, _XSD_PFX, _is_valid_uri
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18
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19 __doc__ = """
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20 ===================
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21 Namespace Utilities
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22 ===================
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23
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24 RDFLib provides mechanisms for managing Namespaces.
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25
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26 In particular, there is a :class:`~rdflib.namespace.Namespace` class
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27 that takes as its argument the base URI of the namespace.
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28
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29 .. code-block:: pycon
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30
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31 >>> from rdflib.namespace import Namespace
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32 >>> owl = Namespace('http://www.w3.org/2002/07/owl#')
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33
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34 Fully qualified URIs in the namespace can be constructed either by attribute
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35 or by dictionary access on Namespace instances:
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36
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37 .. code-block:: pycon
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38
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39 >>> owl.seeAlso
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40 rdflib.term.URIRef(u'http://www.w3.org/2002/07/owl#seeAlso')
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41 >>> owl['seeAlso']
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42 rdflib.term.URIRef(u'http://www.w3.org/2002/07/owl#seeAlso')
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43
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44
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45 Automatic handling of unknown predicates
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46 -----------------------------------------
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47
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48 As a programming convenience, a namespace binding is automatically
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49 created when :class:`rdflib.term.URIRef` predicates are added to the graph.
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50
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51 Importable namespaces
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52 -----------------------
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53
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54 The following namespaces are available by directly importing from rdflib:
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55
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56 * RDF
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57 * RDFS
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58 * OWL
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59 * XSD
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60 * FOAF
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61 * SKOS
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62 * DOAP
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63 * DC
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64 * DCTERMS
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65 * VOID
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66
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67 .. code-block:: pycon
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68
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69 >>> from rdflib import OWL
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70 >>> OWL.seeAlso
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71 rdflib.term.URIRef(u'http://www.w3.org/2002/07/owl#seeAlso')
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72
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73 """
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74
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75 __all__ = [
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76 'is_ncname', 'split_uri', 'Namespace',
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77 'ClosedNamespace', 'NamespaceManager',
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78 'XMLNS', 'RDF', 'RDFS', 'XSD', 'OWL',
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79 'SKOS', 'DOAP', 'FOAF', 'DC', 'DCTERMS', 'VOID']
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80
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81 logger = logging.getLogger(__name__)
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82
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83
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84 class Namespace(text_type):
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85
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86 __doc__ = """
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87 Utility class for quickly generating URIRefs with a common prefix
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88
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89 >>> from rdflib import Namespace
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90 >>> n = Namespace("http://example.org/")
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91 >>> n.Person # as attribute
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92 rdflib.term.URIRef(u'http://example.org/Person')
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93 >>> n['first-name'] # as item - for things that are not valid python identifiers
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94 rdflib.term.URIRef(u'http://example.org/first-name')
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95
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96 """
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97
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98 def __new__(cls, value):
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99 try:
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100 rt = text_type.__new__(cls, value)
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101 except UnicodeDecodeError:
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102 rt = text_type.__new__(cls, value, 'utf-8')
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103 return rt
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104
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105 @property
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106 def title(self):
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107 return URIRef(self + 'title')
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108
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109 def term(self, name):
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110 # need to handle slices explicitly because of __getitem__ override
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111 return URIRef(self + (name if isinstance(name, string_types) else ''))
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112
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113 def __getitem__(self, key, default=None):
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114 return self.term(key)
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115
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116 def __getattr__(self, name):
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117 if name.startswith("__"): # ignore any special Python names!
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118 raise AttributeError
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119 else:
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120 return self.term(name)
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121
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122 def __repr__(self):
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123 return "Namespace(%r)" % text_type(self)
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124
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125
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126 class URIPattern(text_type):
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127
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128 __doc__ = """
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129 Utility class for creating URIs according to some pattern
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130 This supports either new style formatting with .format
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131 or old-style with % operator
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132
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133 >>> u=URIPattern("http://example.org/%s/%d/resource")
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134 >>> u%('books', 12345)
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135 rdflib.term.URIRef(u'http://example.org/books/12345/resource')
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136
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137 """
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138
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139 def __new__(cls, value):
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140 try:
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141 rt = text_type.__new__(cls, value)
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142 except UnicodeDecodeError:
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143 rt = text_type.__new__(cls, value, 'utf-8')
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144 return rt
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145
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146 def __mod__(self, *args, **kwargs):
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147 return URIRef(text_type(self).__mod__(*args, **kwargs))
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148
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149 def format(self, *args, **kwargs):
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150 return URIRef(text_type.format(self, *args, **kwargs))
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151
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152 def __repr__(self):
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153 return "URIPattern(%r)" % text_type(self)
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154
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155
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156 class ClosedNamespace(object):
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157 """
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158 A namespace with a closed list of members
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159
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160 Trying to create terms not listen is an error
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161 """
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162
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163 def __init__(self, uri, terms):
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164 self.uri = uri
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165 self.__uris = {}
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166 for t in terms:
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167 self.__uris[t] = URIRef(self.uri + t)
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168
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169 def term(self, name):
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170 uri = self.__uris.get(name)
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171 if uri is None:
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172 raise KeyError(
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173 "term '{}' not in namespace '{}'".format(name, self.uri)
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174 )
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175 else:
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176 return uri
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177
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178 def __getitem__(self, key, default=None):
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179 return self.term(key)
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180
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181 def __getattr__(self, name):
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182 if name.startswith("__"): # ignore any special Python names!
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183 raise AttributeError
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184 else:
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185 try:
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186 return self.term(name)
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187 except KeyError as e:
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188 raise AttributeError(e)
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189
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190 def __str__(self):
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191 return text_type(self.uri)
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192
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193 def __repr__(self):
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194 return "rdf.namespace.ClosedNamespace(%r)" % text_type(self.uri)
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195
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196
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197 class _RDFNamespace(ClosedNamespace):
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198 """
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199 Closed namespace for RDF terms
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200 """
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201
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202 def __init__(self):
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203 super(_RDFNamespace, self).__init__(
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204 URIRef("http://www.w3.org/1999/02/22-rdf-syntax-ns#"),
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205 terms=[
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206 # Syntax Names
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207 "RDF", "Description", "ID", "about", "parseType",
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208 "resource", "li", "nodeID", "datatype",
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209
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210 # RDF Classes
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211 "Seq", "Bag", "Alt", "Statement", "Property",
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212 "List", "PlainLiteral",
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213
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214 # RDF Properties
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215 "subject", "predicate", "object", "type",
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216 "value", "first", "rest",
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217 # and _n where n is a non-negative integer
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218
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219 # RDF Resources
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220 "nil",
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221
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222 # Added in RDF 1.1
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223 "XMLLiteral", "HTML", "langString",
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224
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225 # Added in JSON-LD 1.1
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226 "JSON", "CompoundLiteral", "language", "direction"]
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227 )
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228
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229 def term(self, name):
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230 # Container membership properties
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231 if name.startswith('_'):
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232 try:
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233 i = int(name[1:])
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234 except ValueError:
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235 pass
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236 else:
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237 if i > 0:
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238 return URIRef("%s_%s" % (self.uri, i))
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239
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240 return super(_RDFNamespace, self).term(name)
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241
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242
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243 RDF = _RDFNamespace()
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244
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245
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246 RDFS = ClosedNamespace(
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247 uri=URIRef("http://www.w3.org/2000/01/rdf-schema#"),
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248 terms=[
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249 "Resource", "Class", "subClassOf", "subPropertyOf", "comment", "label",
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250 "domain", "range", "seeAlso", "isDefinedBy", "Literal", "Container",
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251 "ContainerMembershipProperty", "member", "Datatype"]
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252 )
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253
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254 OWL = Namespace('http://www.w3.org/2002/07/owl#')
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255
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256 XSD = Namespace(_XSD_PFX)
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257
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258 CSVW = Namespace('http://www.w3.org/ns/csvw#')
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259 DC = Namespace('http://purl.org/dc/elements/1.1/')
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260 DCAT = Namespace('http://www.w3.org/ns/dcat#')
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261 DCTERMS = Namespace('http://purl.org/dc/terms/')
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262 DOAP = Namespace('http://usefulinc.com/ns/doap#')
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263 FOAF = ClosedNamespace(
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264 uri=URIRef('http://xmlns.com/foaf/0.1/'),
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265 terms=[
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266 # all taken from http://xmlns.com/foaf/spec/
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267 'Agent', 'Person', 'name', 'title', 'img',
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268 'depiction', 'depicts', 'familyName',
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269 'givenName', 'knows', 'based_near', 'age', 'made',
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270 'maker', 'primaryTopic', 'primaryTopicOf', 'Project', 'Organization',
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271 'Group', 'member', 'Document', 'Image', 'nick',
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272 'mbox', 'homepage', 'weblog', 'openid', 'jabberID',
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273 'mbox_sha1sum', 'interest', 'topic_interest', 'topic', 'page',
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274 'workplaceHomepage', 'workInfoHomepage', 'schoolHomepage', 'publications', 'currentProject',
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275 'pastProject', 'account', 'OnlineAccount', 'accountName', 'accountServiceHomepage',
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276 'PersonalProfileDocument', 'tipjar', 'sha1', 'thumbnail', 'logo'
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277 ]
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278 )
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279 ODRL2 = Namespace('http://www.w3.org/ns/odrl/2/')
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280 ORG = Namespace('http://www.w3.org/ns/org#')
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281 PROV = ClosedNamespace(
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282 uri=URIRef('http://www.w3.org/ns/prov#'),
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283 terms=[
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284 'Entity', 'Activity', 'Agent', 'wasGeneratedBy', 'wasDerivedFrom',
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285 'wasAttributedTo', 'startedAtTime', 'used', 'wasInformedBy', 'endedAtTime',
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286 'wasAssociatedWith', 'actedOnBehalfOf', 'Collection', 'EmptyCollection', 'Bundle',
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287 'Person', 'SoftwareAgent', 'Organization', 'Location', 'alternateOf',
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288 'specializationOf', 'generatedAtTime', 'hadPrimarySource', 'value', 'wasQuotedFrom',
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289 'wasRevisionOf', 'invalidatedAtTime', 'wasInvalidatedBy', 'hadMember', 'wasStartedBy',
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290 'wasEndedBy', 'invalidated', 'influenced', 'atLocation', 'generated',
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291 'Influence', 'EntityInfluence', 'Usage', 'Start', 'End',
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292 'Derivation', 'PrimarySource', 'Quotation', 'Revision', 'ActivityInfluence',
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293 'Generation', 'Communication', 'Invalidation', 'AgentInfluence',
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294 'Attribution', 'Association', 'Plan', 'Delegation', 'InstantaneousEvent',
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295 'Role', 'wasInfluencedBy', 'qualifiedInfluence', 'qualifiedGeneration', 'qualifiedDerivation',
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296 'qualifiedPrimarySource', 'qualifiedQuotation', 'qualifiedRevision', 'qualifiedAttribution',
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297 'qualifiedInvalidation', 'qualifiedStart', 'qualifiedUsage', 'qualifiedCommunication', 'qualifiedAssociation',
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298 'qualifiedEnd', 'qualifiedDelegation', 'influencer', 'entity', 'hadUsage', 'hadGeneration',
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299 'activity', 'agent', 'hadPlan', 'hadActivity', 'atTime', 'hadRole'
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300 ]
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301 )
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302 PROF = Namespace('http://www.w3.org/ns/dx/prof/')
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303 SDO = Namespace('https://schema.org/')
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304 SH = Namespace('http://www.w3.org/ns/shacl#')
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305 SKOS = ClosedNamespace(
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306 uri=URIRef('http://www.w3.org/2004/02/skos/core#'),
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307 terms=[
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308 # all taken from https://www.w3.org/TR/skos-reference/#L1302
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309 'Concept', 'ConceptScheme', 'inScheme', 'hasTopConcept', 'topConceptOf',
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310 'altLabel', 'hiddenLabel', 'prefLabel', 'notation', 'changeNote',
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311 'definition', 'editorialNote', 'example', 'historyNote', 'note',
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312 'scopeNote', 'broader', 'broaderTransitive', 'narrower', 'narrowerTransitive',
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313 'related', 'semanticRelation', 'Collection', 'OrderedCollection', 'member',
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314 'memberList', 'broadMatch', 'closeMatch', 'exactMatch', 'mappingRelation',
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315 'narrowMatch', 'relatedMatch'
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316 ]
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317 )
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318 SOSA = Namespace('http://www.w3.org/ns/ssn/')
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319 SSN = Namespace('http://www.w3.org/ns/sosa/')
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320 TIME = Namespace('http://www.w3.org/2006/time#')
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321 VOID = Namespace('http://rdfs.org/ns/void#')
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322
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323
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324 class NamespaceManager(object):
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325 """
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326
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327 Class for managing prefix => namespace mappings
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328
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329 Sample usage from FuXi ...
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330
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331 .. code-block:: python
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332
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333 ruleStore = N3RuleStore(additionalBuiltins=additionalBuiltins)
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334 nsMgr = NamespaceManager(Graph(ruleStore))
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335 ruleGraph = Graph(ruleStore,namespace_manager=nsMgr)
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336
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337
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338 and ...
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339
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340 .. code-block:: pycon
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341
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342 >>> import rdflib
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343 >>> from rdflib import Graph
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344 >>> from rdflib.namespace import Namespace, NamespaceManager
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345 >>> exNs = Namespace('http://example.com/')
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346 >>> namespace_manager = NamespaceManager(Graph())
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347 >>> namespace_manager.bind('ex', exNs, override=False)
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348 >>> g = Graph()
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349 >>> g.namespace_manager = namespace_manager
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350 >>> all_ns = [n for n in g.namespace_manager.namespaces()]
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351 >>> assert ('ex', rdflib.term.URIRef('http://example.com/')) in all_ns
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352 >>>
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353
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354 """
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355
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356 def __init__(self, graph):
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357 self.graph = graph
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358 self.__cache = {}
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359 self.__cache_strict = {}
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360 self.__log = None
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361 self.__strie = {}
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362 self.__trie = {}
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363 for p, n in self.namespaces(): # self.bind is not always called
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364 insert_trie(self.__trie, str(n))
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365 self.bind("xml", "http://www.w3.org/XML/1998/namespace")
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366 self.bind("rdf", RDF)
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367 self.bind("rdfs", RDFS)
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368 self.bind("xsd", XSD)
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369
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370 def reset(self):
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371 self.__cache = {}
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372 self.__strie = {}
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373 self.__trie = {}
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374 for p, n in self.namespaces(): # repopulate the trie
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375 insert_trie(self.__trie, str(n))
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376
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377 def __get_store(self):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
378 return self.graph.store
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
379 store = property(__get_store)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
380
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
381 def qname(self, uri):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
382 prefix, namespace, name = self.compute_qname(uri)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
383 if prefix == "":
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
384 return name
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
385 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
386 return ":".join((prefix, name))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
387
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
388 def qname_strict(self, uri):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
389 prefix, namespace, name = self.compute_qname_strict(uri)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
390 if prefix == '':
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
391 return name
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
392 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
393 return ':'.join((prefix, name))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
394
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
395 def normalizeUri(self, rdfTerm):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
396 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
397 Takes an RDF Term and 'normalizes' it into a QName (using the
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
398 registered prefix) or (unlike compute_qname) the Notation 3
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
399 form for URIs: <...URI...>
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
400 """
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
401 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
402 namespace, name = split_uri(rdfTerm)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
403 if namespace not in self.__strie:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
404 insert_strie(self.__strie, self.__trie, str(namespace))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
405 namespace = URIRef(text_type(namespace))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
406 except:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
407 if isinstance(rdfTerm, Variable):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
408 return "?%s" % rdfTerm
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
409 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
410 return "<%s>" % rdfTerm
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
411 prefix = self.store.prefix(namespace)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
412 if prefix is None and isinstance(rdfTerm, Variable):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
413 return "?%s" % rdfTerm
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
414 elif prefix is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
415 return "<%s>" % rdfTerm
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
416 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
417 qNameParts = self.compute_qname(rdfTerm)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
418 return ':'.join([qNameParts[0], qNameParts[-1]])
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
419
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
420 def compute_qname(self, uri, generate=True):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
421
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
422 if not _is_valid_uri(uri):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
423 raise ValueError(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
424 '"{}" does not look like a valid URI, cannot serialize this. Did you want to urlencode it?'.format(uri)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
425 )
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
426
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
427 if uri not in self.__cache:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
428 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
429 namespace, name = split_uri(uri)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
430 except ValueError as e:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
431 namespace = URIRef(uri)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
432 prefix = self.store.prefix(namespace)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
433 if not prefix:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
434 raise e
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
435 if namespace not in self.__strie:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
436 insert_strie(self.__strie, self.__trie, namespace)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
437
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
438 if self.__strie[namespace]:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
439 pl_namespace = get_longest_namespace(self.__strie[namespace], uri)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
440 if pl_namespace is not None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
441 namespace = pl_namespace
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
442 name = uri[len(namespace):]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
443
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
444 namespace = URIRef(namespace)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
445 prefix = self.store.prefix(namespace) # warning multiple prefixes problem
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
446
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
447 if prefix is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
448 if not generate:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
449 raise KeyError(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
450 "No known prefix for {} and generate=False".format(namespace)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
451 )
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
452 num = 1
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
453 while 1:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
454 prefix = "ns%s" % num
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
455 if not self.store.namespace(prefix):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
456 break
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
457 num += 1
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
458 self.bind(prefix, namespace)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
459 self.__cache[uri] = (prefix, namespace, name)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
460 return self.__cache[uri]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
461
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
462 def compute_qname_strict(self, uri, generate=True):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
463 # code repeated to avoid branching on strict every time
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
464 # if output needs to be strict (e.g. for xml) then
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
465 # only the strict output should bear the overhead
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
466 prefix, namespace, name = self.compute_qname(uri)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
467 if is_ncname(text_type(name)):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
468 return prefix, namespace, name
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
469 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
470 if uri not in self.__cache_strict:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
471 try:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
472 namespace, name = split_uri(uri, NAME_START_CATEGORIES)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
473 except ValueError as e:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
474 message = ('This graph cannot be serialized to a strict format '
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
475 'because there is no valid way to shorten {}'.format(uri))
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
476 raise ValueError(message)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
477 # omitted for strict since NCNames cannot be empty
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
478 #namespace = URIRef(uri)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
479 #prefix = self.store.prefix(namespace)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
480 #if not prefix:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
481 #raise e
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
482
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
483 if namespace not in self.__strie:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
484 insert_strie(self.__strie, self.__trie, namespace)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
485
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
486 # omitted for strict
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
487 #if self.__strie[namespace]:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
488 #pl_namespace = get_longest_namespace(self.__strie[namespace], uri)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
489 #if pl_namespace is not None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
490 #namespace = pl_namespace
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
491 #name = uri[len(namespace):]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
492
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
493 namespace = URIRef(namespace)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
494 prefix = self.store.prefix(namespace) # warning multiple prefixes problem
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
495
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
496 if prefix is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
497 if not generate:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
498 raise KeyError(
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
499 "No known prefix for {} and generate=False".format(namespace)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
500 )
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
501 num = 1
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
502 while 1:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
503 prefix = "ns%s" % num
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
504 if not self.store.namespace(prefix):
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
505 break
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506 num += 1
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507 self.bind(prefix, namespace)
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508 self.__cache_strict[uri] = (prefix, namespace, name)
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parents:
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509
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parents:
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510 return self.__cache_strict[uri]
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parents:
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511
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parents:
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512 def bind(self, prefix, namespace, override=True, replace=False):
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parents:
diff changeset
513 """bind a given namespace to the prefix
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parents:
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514
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515 if override, rebind, even if the given namespace is already
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parents:
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516 bound to another prefix.
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parents:
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517
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parents:
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518 if replace, replace any existing prefix with the new namespace
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parents:
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519
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parents:
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520 """
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parents:
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521
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522 namespace = URIRef(text_type(namespace))
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parents:
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523 # When documenting explain that override only applies in what cases
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parents:
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524 if prefix is None:
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525 prefix = ''
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diff changeset
526 bound_namespace = self.store.namespace(prefix)
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parents:
diff changeset
527 # Check if the bound_namespace contains a URI
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parents:
diff changeset
528 # and if so convert it into a URIRef for comparison
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parents:
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529 # This is to prevent duplicate namespaces with the
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parents:
diff changeset
530 # same URI
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parents:
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531 if bound_namespace:
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parents:
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532 bound_namespace = URIRef(bound_namespace)
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533 if bound_namespace and bound_namespace != namespace:
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parents:
diff changeset
534
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parents:
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535 if replace:
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parents:
diff changeset
536 self.store.bind(prefix, namespace)
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parents:
diff changeset
537 insert_trie(self.__trie, str(namespace))
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parents:
diff changeset
538 return
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parents:
diff changeset
539
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parents:
diff changeset
540 # prefix already in use for different namespace
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parents:
diff changeset
541 #
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parents:
diff changeset
542 # append number to end of prefix until we find one
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parents:
diff changeset
543 # that's not in use.
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parents:
diff changeset
544 if not prefix:
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parents:
diff changeset
545 prefix = "default"
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parents:
diff changeset
546 num = 1
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
547 while 1:
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parents:
diff changeset
548 new_prefix = "%s%s" % (prefix, num)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
549 tnamespace = self.store.namespace(new_prefix)
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parents:
diff changeset
550 if tnamespace and namespace == URIRef(tnamespace):
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parents:
diff changeset
551 # the prefix is already bound to the correct
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parents:
diff changeset
552 # namespace
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parents:
diff changeset
553 return
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parents:
diff changeset
554 if not self.store.namespace(new_prefix):
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parents:
diff changeset
555 break
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parents:
diff changeset
556 num += 1
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diff changeset
557 self.store.bind(new_prefix, namespace)
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558 else:
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559 bound_prefix = self.store.prefix(namespace)
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560 if bound_prefix is None:
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diff changeset
561 self.store.bind(prefix, namespace)
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562 elif bound_prefix == prefix:
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parents:
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563 pass # already bound
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564 else:
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565 if override or bound_prefix.startswith("_"): # or a generated prefix
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566 self.store.bind(prefix, namespace)
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567 insert_trie(self.__trie, str(namespace))
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568
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parents:
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569 def namespaces(self):
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570 for prefix, namespace in self.store.namespaces():
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diff changeset
571 namespace = URIRef(namespace)
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parents:
diff changeset
572 yield prefix, namespace
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573
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574 def absolutize(self, uri, defrag=1):
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575 base = urljoin("file:", pathname2url(os.getcwd()))
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576 result = urljoin("%s/" % base, uri, allow_fragments=not defrag)
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577 if defrag:
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parents:
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578 result = urldefrag(result)[0]
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parents:
diff changeset
579 if not defrag:
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parents:
diff changeset
580 if uri and uri[-1] == "#" and result[-1] != "#":
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parents:
diff changeset
581 result = "%s#" % result
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parents:
diff changeset
582 return URIRef(result)
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583
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shellac
parents:
diff changeset
584 # From: http://www.w3.org/TR/REC-xml#NT-CombiningChar
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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585 #
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parents:
diff changeset
586 # * Name start characters must have one of the categories Ll, Lu, Lo,
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parents:
diff changeset
587 # Lt, Nl.
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parents:
diff changeset
588 #
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parents:
diff changeset
589 # * Name characters other than Name-start characters must have one of
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
590 # the categories Mc, Me, Mn, Lm, or Nd.
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parents:
diff changeset
591 #
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parents:
diff changeset
592 # * Characters in the compatibility area (i.e. with character code
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
593 # greater than #xF900 and less than #xFFFE) are not allowed in XML
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parents:
diff changeset
594 # names.
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parents:
diff changeset
595 #
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parents:
diff changeset
596 # * Characters which have a font or compatibility decomposition
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parents:
diff changeset
597 # (i.e. those with a "compatibility formatting tag" in field 5 of the
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shellac
parents:
diff changeset
598 # database -- marked by field 5 beginning with a "<") are not allowed.
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parents:
diff changeset
599 #
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shellac
parents:
diff changeset
600 # * The following characters are treated as name-start characters rather
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
601 # than name characters, because the property file classifies them as
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parents:
diff changeset
602 # Alphabetic: [#x02BB-#x02C1], #x0559, #x06E5, #x06E6.
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parents:
diff changeset
603 #
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
604 # * Characters #x20DD-#x20E0 are excluded (in accordance with Unicode
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
605 # 2.0, section 5.14).
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parents:
diff changeset
606 #
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parents:
diff changeset
607 # * Character #x00B7 is classified as an extender, because the property
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parents:
diff changeset
608 # list so identifies it.
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parents:
diff changeset
609 #
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parents:
diff changeset
610 # * Character #x0387 is added as a name character, because #x00B7 is its
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
611 # canonical equivalent.
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
612 #
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parents:
diff changeset
613 # * Characters ':' and '_' are allowed as name-start characters.
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parents:
diff changeset
614 #
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parents:
diff changeset
615 # * Characters '-' and '.' are allowed as name characters.
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shellac
parents:
diff changeset
616
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
617
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parents:
diff changeset
618 NAME_START_CATEGORIES = ["Ll", "Lu", "Lo", "Lt", "Nl"]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
619 SPLIT_START_CATEGORIES = NAME_START_CATEGORIES + ['Nd']
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
620 NAME_CATEGORIES = NAME_START_CATEGORIES + ["Mc", "Me", "Mn", "Lm", "Nd"]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
621 ALLOWED_NAME_CHARS = [u"\u00B7", u"\u0387", u"-", u".", u"_", u":"]
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
622
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diff changeset
623
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parents:
diff changeset
624 # http://www.w3.org/TR/REC-xml-names/#NT-NCName
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parents:
diff changeset
625 # [4] NCName ::= (Letter | '_') (NCNameChar)* /* An XML Name, minus
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
626 # the ":" */
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parents:
diff changeset
627 # [5] NCNameChar ::= Letter | Digit | '.' | '-' | '_' | CombiningChar
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
628 # | Extender
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parents:
diff changeset
629
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parents:
diff changeset
630
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parents:
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631 def is_ncname(name):
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632 if name:
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633 first = name[0]
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634 if first == "_" or category(first) in NAME_START_CATEGORIES:
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parents:
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635 for i in range(1, len(name)):
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636 c = name[i]
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637 if not category(c) in NAME_CATEGORIES:
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parents:
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638 if c != ':' and c in ALLOWED_NAME_CHARS:
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639 continue
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640 return 0
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parents:
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641 # if in compatibility area
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642 # if decomposition(c)!='':
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643 # return 0
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644
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645 return 1
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646
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647 return 0
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parents:
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648
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649
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650 XMLNS = "http://www.w3.org/XML/1998/namespace"
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651
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652
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653 def split_uri(uri, split_start=SPLIT_START_CATEGORIES):
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parents:
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654 if uri.startswith(XMLNS):
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655 return (XMLNS, uri.split(XMLNS)[1])
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parents:
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656 length = len(uri)
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parents:
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657 for i in range(0, length):
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658 c = uri[-i - 1]
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parents:
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659 if not category(c) in NAME_CATEGORIES:
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parents:
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660 if c in ALLOWED_NAME_CHARS:
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661 continue
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662 for j in range(-1 - i, length):
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parents:
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663 if category(uri[j]) in split_start or uri[j] == "_":
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parents:
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664 # _ prevents early split, roundtrip not generate
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parents:
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665 ns = uri[:j]
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666 if not ns:
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parents:
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667 break
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parents:
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668 ln = uri[j:]
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parents:
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669 return (ns, ln)
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parents:
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670 break
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parents:
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671 raise ValueError("Can't split '{}'".format(uri))
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672
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673 def insert_trie(trie, value): # aka get_subtrie_or_insert
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parents:
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674 """ Insert a value into the trie if it is not already contained in the trie.
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parents:
diff changeset
675 Return the subtree for the value regardless of whether it is a new value
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parents:
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676 or not. """
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parents:
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677 if value in trie:
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678 return trie[value]
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679 multi_check = False
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680 for key in tuple(trie.keys()):
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parents:
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681 if len(value) > len(key) and value.startswith(key):
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parents:
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682 return insert_trie(trie[key], value)
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parents:
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683 elif key.startswith(value): # we know the value is not in the trie
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parents:
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684 if not multi_check:
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parents:
diff changeset
685 trie[value] = {}
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parents:
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686 multi_check = True # there can be multiple longer existing prefixes
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687 dict_ = trie.pop(key) # does not break strie since key<->dict_ remains unchanged
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
688 trie[value][key] = dict_
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parents:
diff changeset
689 if value not in trie:
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parents:
diff changeset
690 trie[value] = {}
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parents:
diff changeset
691 return trie[value]
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parents:
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692
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parents:
diff changeset
693 def insert_strie(strie, trie, value):
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parents:
diff changeset
694 if value not in strie:
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parents:
diff changeset
695 strie[value] = insert_trie(trie, value)
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parents:
diff changeset
696
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parents:
diff changeset
697 def get_longest_namespace(trie, value):
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parents:
diff changeset
698 for key in trie:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff changeset
699 if value.startswith(key):
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shellac
parents:
diff changeset
700 out = get_longest_namespace(trie[key], value)
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
701 if out is None:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
702 return key
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
703 else:
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
704 return out
4f3585e2f14b "planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff changeset
705 return None