Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/rdflib/namespace.py @ 0:26e78fe6e8c4 draft

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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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1 from rdflib.py3compat import format_doctest_out
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2
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3 __doc__ = format_doctest_out("""
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4 ===================
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5 Namespace Utilities
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6 ===================
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7
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8 RDFLib provides mechanisms for managing Namespaces.
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9
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10 In particular, there is a :class:`~rdflib.namespace.Namespace` class
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11 that takes as its argument the base URI of the namespace.
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12
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13 .. code-block:: pycon
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14
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15 >>> from rdflib.namespace import Namespace
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16 >>> owl = Namespace('http://www.w3.org/2002/07/owl#')
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17
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18 Fully qualified URIs in the namespace can be constructed either by attribute
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19 or by dictionary access on Namespace instances:
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20
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21 .. code-block:: pycon
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22
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23 >>> owl.seeAlso
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24 rdflib.term.URIRef(%(u)s'http://www.w3.org/2002/07/owl#seeAlso')
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25 >>> owl['seeAlso']
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26 rdflib.term.URIRef(%(u)s'http://www.w3.org/2002/07/owl#seeAlso')
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27
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28
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29 Automatic handling of unknown predicates
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30 -----------------------------------------
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31
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32 As a programming convenience, a namespace binding is automatically
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33 created when :class:`rdflib.term.URIRef` predicates are added to the graph.
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34
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35 Importable namespaces
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36 -----------------------
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37
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38 The following namespaces are available by directly importing from rdflib:
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39
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40 * RDF
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41 * RDFS
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42 * OWL
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43 * XSD
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44 * FOAF
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45 * SKOS
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46 * DOAP
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47 * DC
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48 * DCTERMS
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49 * VOID
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50
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51 .. code-block:: pycon
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52
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53 >>> from rdflib import OWL
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54 >>> OWL.seeAlso
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55 rdflib.term.URIRef(%(u)s'http://www.w3.org/2002/07/owl#seeAlso')
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56
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57 """)
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58
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59 import logging
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60 logger = logging.getLogger(__name__)
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61
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62 import os
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63
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64 from urllib.parse import urljoin, urldefrag
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65 from urllib.request import pathname2url
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66
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67 from rdflib.term import URIRef, Variable, _XSD_PFX, _is_valid_uri
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68
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69 __all__ = [
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70 'is_ncname', 'split_uri', 'Namespace',
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71 'ClosedNamespace', 'NamespaceManager',
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72 'XMLNS', 'RDF', 'RDFS', 'XSD', 'OWL',
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73 'SKOS', 'DOAP', 'FOAF', 'DC', 'DCTERMS', 'VOID']
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74
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75
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76 class Namespace(str):
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77
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78 __doc__ = format_doctest_out("""
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79 Utility class for quickly generating URIRefs with a common prefix
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80
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81 >>> from rdflib import Namespace
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82 >>> n = Namespace("http://example.org/")
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83 >>> n.Person # as attribute
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84 rdflib.term.URIRef(%(u)s'http://example.org/Person')
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85 >>> n['first-name'] # as item - for things that are not valid python identifiers
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86 rdflib.term.URIRef(%(u)s'http://example.org/first-name')
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87
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88 """)
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89
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90
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91 def __new__(cls, value):
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92 try:
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93 rt = str.__new__(cls, value)
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94 except UnicodeDecodeError:
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95 rt = str.__new__(cls, value, 'utf-8')
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96 return rt
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97
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98
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99 @property
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100 def title(self):
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101 return URIRef(self + 'title')
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102
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103 def term(self, name):
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104 # need to handle slices explicitly because of __getitem__ override
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105 return URIRef(self + (name if isinstance(name, str) else ''))
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106
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107 def __getitem__(self, key, default=None):
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108 return self.term(key)
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109
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110 def __getattr__(self, name):
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111 if name.startswith("__"): # ignore any special Python names!
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112 raise AttributeError
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113 else:
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114 return self.term(name)
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115
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116 def __repr__(self):
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117 return "Namespace(%s)"%str.__repr__(self)
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118
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119
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120 class URIPattern(str):
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121
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122 __doc__ = format_doctest_out("""
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123 Utility class for creating URIs according to some pattern
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124 This supports either new style formatting with .format
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125 or old-style with %% operator
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126
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127 >>> u=URIPattern("http://example.org/%%s/%%d/resource")
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128 >>> u%%('books', 12345)
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129 rdflib.term.URIRef(%(u)s'http://example.org/books/12345/resource')
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130
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131 """)
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132
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133 def __new__(cls, value):
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134 try:
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135 rt = str.__new__(cls, value)
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136 except UnicodeDecodeError:
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137 rt = str.__new__(cls, value, 'utf-8')
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138 return rt
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139
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140 def __mod__(self, *args, **kwargs):
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141 return URIRef(str(self).__mod__(*args, **kwargs))
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142
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143 def format(self, *args, **kwargs):
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144 return URIRef(str.format(self, *args, **kwargs))
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145
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146 def __repr__(self):
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147 return "URIPattern(%r)"%str.__repr__(self)
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148
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149
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150
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151 class ClosedNamespace(object):
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152 """
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153 A namespace with a closed list of members
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154
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155 Trying to create terms not listen is an error
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156 """
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157
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158 def __init__(self, uri, terms):
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159 self.uri = uri
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160 self.__uris = {}
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161 for t in terms:
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162 self.__uris[t] = URIRef(self.uri + t)
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163
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164 def term(self, name):
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165 uri = self.__uris.get(name)
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166 if uri is None:
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167 raise Exception(
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168 "term '%s' not in namespace '%s'" % (name, self.uri))
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169 else:
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170 return uri
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171
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172 def __getitem__(self, key, default=None):
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173 return self.term(key)
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174
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175 def __getattr__(self, name):
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176 if name.startswith("__"): # ignore any special Python names!
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177 raise AttributeError
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178 else:
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179 return self.term(name)
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180
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181 def __str__(self):
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182 return str(self.uri)
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183
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184 def __repr__(self):
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185 return """rdf.namespace.ClosedNamespace('%s')""" % str(self.uri)
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186
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187
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188 class _RDFNamespace(ClosedNamespace):
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189 """
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190 Closed namespace for RDF terms
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191 """
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192 def __init__(self):
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193 super(_RDFNamespace, self).__init__(
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194 URIRef("http://www.w3.org/1999/02/22-rdf-syntax-ns#"),
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195 terms=[
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196 # Syntax Names
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197 "RDF", "Description", "ID", "about", "parseType",
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198 "resource", "li", "nodeID", "datatype",
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199
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200 # RDF Classes
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201 "Seq", "Bag", "Alt", "Statement", "Property",
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202 "List", "PlainLiteral",
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203
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204 # RDF Properties
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205 "subject", "predicate", "object", "type",
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206 "value", "first", "rest",
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207 # and _n where n is a non-negative integer
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208
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209 # RDF Resources
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210 "nil",
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211
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212 # Added in RDF 1.1
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213 "XMLLiteral", "HTML", "langString"]
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214 )
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215
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216 def term(self, name):
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217 try:
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218 i = int(name)
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219 return URIRef("%s_%s" % (self.uri, i))
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220 except ValueError:
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221 return super(_RDFNamespace, self).term(name)
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222
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223 RDF = _RDFNamespace()
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224
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225 RDFS = ClosedNamespace(
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226 uri=URIRef("http://www.w3.org/2000/01/rdf-schema#"),
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227 terms=[
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228 "Resource", "Class", "subClassOf", "subPropertyOf", "comment", "label",
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229 "domain", "range", "seeAlso", "isDefinedBy", "Literal", "Container",
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230 "ContainerMembershipProperty", "member", "Datatype"]
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231 )
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232
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233 OWL = Namespace('http://www.w3.org/2002/07/owl#')
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234
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235 XSD = Namespace(_XSD_PFX)
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236
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237 SKOS = Namespace('http://www.w3.org/2004/02/skos/core#')
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238 DOAP = Namespace('http://usefulinc.com/ns/doap#')
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239 FOAF = Namespace('http://xmlns.com/foaf/0.1/')
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240 DC = Namespace('http://purl.org/dc/elements/1.1/')
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241 DCTERMS = Namespace('http://purl.org/dc/terms/')
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242 VOID = Namespace('http://rdfs.org/ns/void#')
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243
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244
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245
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246 class NamespaceManager(object):
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247 """
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248
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249 Class for managing prefix => namespace mappings
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250
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251 Sample usage from FuXi ...
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252
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253 .. code-block:: python
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254
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255 ruleStore = N3RuleStore(additionalBuiltins=additionalBuiltins)
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256 nsMgr = NamespaceManager(Graph(ruleStore))
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257 ruleGraph = Graph(ruleStore,namespace_manager=nsMgr)
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258
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259
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260 and ...
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261
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262 .. code-block:: pycon
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263
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264 >>> import rdflib
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265 >>> from rdflib import Graph
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266 >>> from rdflib.namespace import Namespace, NamespaceManager
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267 >>> exNs = Namespace('http://example.com/')
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268 >>> namespace_manager = NamespaceManager(Graph())
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269 >>> namespace_manager.bind('ex', exNs, override=False)
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270 >>> g = Graph()
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271 >>> g.namespace_manager = namespace_manager
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272 >>> all_ns = [n for n in g.namespace_manager.namespaces()]
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273 >>> assert ('ex', rdflib.term.URIRef('http://example.com/')) in all_ns
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274 >>>
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275
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276 """
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277 def __init__(self, graph):
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278 self.graph = graph
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279 self.__cache = {}
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280 self.__log = None
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281 self.bind("xml", "http://www.w3.org/XML/1998/namespace")
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282 self.bind("rdf", RDF)
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283 self.bind("rdfs", RDFS)
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284 self.bind("xsd", XSD)
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285
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286 def reset(self):
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287 self.__cache = {}
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288
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289 def __get_store(self):
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290 return self.graph.store
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291 store = property(__get_store)
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292
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293 def qname(self, uri):
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294 prefix, namespace, name = self.compute_qname(uri)
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295 if prefix == "":
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296 return name
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297 else:
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298 return ":".join((prefix, name))
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299
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300 def normalizeUri(self, rdfTerm):
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301 """
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302 Takes an RDF Term and 'normalizes' it into a QName (using the
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303 registered prefix) or (unlike compute_qname) the Notation 3
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304 form for URIs: <...URI...>
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305 """
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306 try:
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307 namespace, name = split_uri(rdfTerm)
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308 namespace = URIRef(str(namespace))
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309 except:
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310 if isinstance(rdfTerm, Variable):
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311 return "?%s" % rdfTerm
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312 else:
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313 return "<%s>" % rdfTerm
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314 prefix = self.store.prefix(namespace)
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315 if prefix is None and isinstance(rdfTerm, Variable):
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316 return "?%s" % rdfTerm
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317 elif prefix is None:
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318 return "<%s>" % rdfTerm
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319 else:
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320 qNameParts = self.compute_qname(rdfTerm)
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321 return ':'.join([qNameParts[0], qNameParts[-1]])
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322
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323 def compute_qname(self, uri, generate=True):
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324
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325 if not _is_valid_uri(uri):
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326 raise Exception('"%s" does not look like a valid URI, I cannot serialize this. Perhaps you wanted to urlencode it?'%uri)
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327
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328
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329 if not uri in self.__cache:
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330 namespace, name = split_uri(uri)
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331 namespace = URIRef(namespace)
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332 prefix = self.store.prefix(namespace)
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333 if prefix is None:
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334 if not generate:
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335 raise Exception(
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336 "No known prefix for %s and generate=False")
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337 num = 1
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338 while 1:
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339 prefix = "ns%s" % num
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340 if not self.store.namespace(prefix):
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341 break
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342 num += 1
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343 self.bind(prefix, namespace)
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344 self.__cache[uri] = (prefix, namespace, name)
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345 return self.__cache[uri]
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346
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347 def bind(self, prefix, namespace, override=True, replace=False):
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348
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349 """bind a given namespace to the prefix
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350
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351 if override, rebind, even if the given namespace is already
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352 bound to another prefix.
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353
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354 if replace, replace any existing prefix with the new namespace
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355
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356 """
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357
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358 namespace = URIRef(str(namespace))
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359 # When documenting explain that override only applies in what cases
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360 if prefix is None:
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361 prefix = ''
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362 bound_namespace = self.store.namespace(prefix)
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363 # Check if the bound_namespace contains a URI
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364 # and if so convert it into a URIRef for comparison
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365 # This is to prevent duplicate namespaces with the
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366 # same URI
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367 if bound_namespace:
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368 bound_namespace = URIRef(bound_namespace)
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369 if bound_namespace and bound_namespace != namespace:
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370
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371 if replace:
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372 self.store.bind(prefix, namespace)
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373 return
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374
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375 # prefix already in use for different namespace
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376 #
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377 # append number to end of prefix until we find one
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378 # that's not in use.
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379 if not prefix:
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380 prefix = "default"
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381 num = 1
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382 while 1:
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383 new_prefix = "%s%s" % (prefix, num)
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384 tnamespace = self.store.namespace(new_prefix)
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385 if tnamespace and namespace == URIRef(tnamespace):
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386 # the prefix is already bound to the correct
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387 # namespace
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388 return
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389 if not self.store.namespace(new_prefix):
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390 break
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diff changeset
391 num += 1
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
392 self.store.bind(new_prefix, namespace)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
393 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
394 bound_prefix = self.store.prefix(namespace)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
395 if bound_prefix is None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
396 self.store.bind(prefix, namespace)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
397 elif bound_prefix == prefix:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
398 pass # already bound
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
399 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
400 if override or bound_prefix.startswith("_"): # or a generated
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
401 # prefix
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
402 self.store.bind(prefix, namespace)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
403
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
404 def namespaces(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
405 for prefix, namespace in self.store.namespaces():
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
406 namespace = URIRef(namespace)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
407 yield prefix, namespace
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
408
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
409 def absolutize(self, uri, defrag=1):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
410 base = urljoin("file:", pathname2url(os.getcwd()))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
411 result = urljoin("%s/" % base, uri, allow_fragments=not defrag)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
412 if defrag:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
413 result = urldefrag(result)[0]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
414 if not defrag:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
415 if uri and uri[-1] == "#" and result[-1] != "#":
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
416 result = "%s#" % result
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
417 return URIRef(result)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
418
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
419 # From: http://www.w3.org/TR/REC-xml#NT-CombiningChar
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
420 #
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
421 # * Name start characters must have one of the categories Ll, Lu, Lo,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
422 # Lt, Nl.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
423 #
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
424 # * Name characters other than Name-start characters must have one of
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
425 # the categories Mc, Me, Mn, Lm, or Nd.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
426 #
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
427 # * Characters in the compatibility area (i.e. with character code
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
428 # greater than #xF900 and less than #xFFFE) are not allowed in XML
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
429 # names.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
430 #
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
431 # * Characters which have a font or compatibility decomposition
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
432 # (i.e. those with a "compatibility formatting tag" in field 5 of the
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
433 # database -- marked by field 5 beginning with a "<") are not allowed.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
434 #
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
435 # * The following characters are treated as name-start characters rather
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
436 # than name characters, because the property file classifies them as
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
437 # Alphabetic: [#x02BB-#x02C1], #x0559, #x06E5, #x06E6.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
438 #
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
439 # * Characters #x20DD-#x20E0 are excluded (in accordance with Unicode
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
440 # 2.0, section 5.14).
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
441 #
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
442 # * Character #x00B7 is classified as an extender, because the property
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
443 # list so identifies it.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
444 #
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
445 # * Character #x0387 is added as a name character, because #x00B7 is its
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
446 # canonical equivalent.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
447 #
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
448 # * Characters ':' and '_' are allowed as name-start characters.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
449 #
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
450 # * Characters '-' and '.' are allowed as name characters.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
451
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
452 from unicodedata import category
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
453
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
454 NAME_START_CATEGORIES = ["Ll", "Lu", "Lo", "Lt", "Nl"]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
455 NAME_CATEGORIES = NAME_START_CATEGORIES + ["Mc", "Me", "Mn", "Lm", "Nd"]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
456 ALLOWED_NAME_CHARS = ["\u00B7", "\u0387", "-", ".", "_"]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
457
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
458 # http://www.w3.org/TR/REC-xml-names/#NT-NCName
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
459 # [4] NCName ::= (Letter | '_') (NCNameChar)* /* An XML Name, minus
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
460 # the ":" */
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
461 # [5] NCNameChar ::= Letter | Digit | '.' | '-' | '_' | CombiningChar
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
462 # | Extender
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
463
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
464
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
465 def is_ncname(name):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
466 first = name[0]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
467 if first == "_" or category(first) in NAME_START_CATEGORIES:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
468 for i in range(1, len(name)):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
469 c = name[i]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
470 if not category(c) in NAME_CATEGORIES:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
471 if c in ALLOWED_NAME_CHARS:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
472 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
473 return 0
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
474 # if in compatibility area
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
475 # if decomposition(c)!='':
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
476 # return 0
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
477
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
478 return 1
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
479 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
480 return 0
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
481
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
482 XMLNS = "http://www.w3.org/XML/1998/namespace"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
483
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
484
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
485 def split_uri(uri):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
486 if uri.startswith(XMLNS):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
487 return (XMLNS, uri.split(XMLNS)[1])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
488 length = len(uri)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
489 for i in range(0, length):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
490 c = uri[-i - 1]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
491 if not category(c) in NAME_CATEGORIES:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
492 if c in ALLOWED_NAME_CHARS:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
493 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
494 for j in range(-1 - i, length):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
495 if category(uri[j]) in NAME_START_CATEGORIES or uri[j] == "_":
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
496 ns = uri[:j]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
497 if not ns:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
498 break
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
499 ln = uri[j:]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
500 return (ns, ln)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
501 break
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
502 raise Exception("Can't split '%s'" % uri)