Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/rdflib/plugins/parsers/rdfxml.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 """
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2 An RDF/XML parser for RDFLib
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3 """
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4
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5 from xml.sax import make_parser
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6 from xml.sax.handler import ErrorHandler
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7 from xml.sax.saxutils import handler, quoteattr, escape
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8 from urllib.parse import urljoin, urldefrag
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9
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10 from rdflib.namespace import RDF, is_ncname
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11 from rdflib.term import URIRef
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12 from rdflib.term import BNode
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13 from rdflib.term import Literal
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14 from rdflib.exceptions import ParserError, Error
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15 from rdflib.parser import Parser
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16
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17 __all__ = ['create_parser', 'BagID', 'ElementHandler',
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18 'RDFXMLHandler', 'RDFXMLParser']
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19
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20 RDFNS = RDF
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21
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22 # http://www.w3.org/TR/rdf-syntax-grammar/#eventterm-attribute-URI
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23 # A mapping from unqualified terms to their qualified version.
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24 UNQUALIFIED = {"about": RDF.about,
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25 "ID": RDF.ID,
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26 "type": RDF.type,
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27 "resource": RDF.resource,
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28 "parseType": RDF.parseType}
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29
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30 # http://www.w3.org/TR/rdf-syntax-grammar/#coreSyntaxTerms
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31 CORE_SYNTAX_TERMS = [RDF.RDF, RDF.ID, RDF.about, RDF.parseType,
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32 RDF.resource, RDF.nodeID, RDF.datatype]
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33
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34 # http://www.w3.org/TR/rdf-syntax-grammar/#syntaxTerms
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35 SYNTAX_TERMS = CORE_SYNTAX_TERMS + [RDF.Description, RDF.li]
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36
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37 # http://www.w3.org/TR/rdf-syntax-grammar/#oldTerms
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38 OLD_TERMS = [
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39 URIRef("http://www.w3.org/1999/02/22-rdf-syntax-ns#aboutEach"),
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40 URIRef("http://www.w3.org/1999/02/22-rdf-syntax-ns#aboutEachPrefix"),
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41 URIRef("http://www.w3.org/1999/02/22-rdf-syntax-ns#bagID")]
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42
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43 NODE_ELEMENT_EXCEPTIONS = CORE_SYNTAX_TERMS + [RDF.li, ] + OLD_TERMS
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44 NODE_ELEMENT_ATTRIBUTES = [RDF.ID, RDF.nodeID, RDF.about]
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45
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46 PROPERTY_ELEMENT_EXCEPTIONS = \
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47 CORE_SYNTAX_TERMS + [RDF.Description, ] + OLD_TERMS
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48 PROPERTY_ATTRIBUTE_EXCEPTIONS = \
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49 CORE_SYNTAX_TERMS + [RDF.Description, RDF.li] + OLD_TERMS
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50 PROPERTY_ELEMENT_ATTRIBUTES = [RDF.ID, RDF.resource, RDF.nodeID]
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51
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52 XMLNS = "http://www.w3.org/XML/1998/namespace"
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53 BASE = (XMLNS, "base")
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54 LANG = (XMLNS, "lang")
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55
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56
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57 class BagID(URIRef):
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58 __slots__ = ['li']
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59
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60 def __init__(self, val):
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61 super(URIRef, self).__init__(val)
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62 self.li = 0
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63
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64 def next_li(self):
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65 self.li += 1
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66 return RDFNS[self.li]
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67
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68
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69 class ElementHandler(object):
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70 __slots__ = ['start', 'char', 'end', 'li', 'id',
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71 'base', 'subject', 'predicate', 'object',
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72 'list', 'language', 'datatype', 'declared', 'data']
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73
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74 def __init__(self):
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75 self.start = None
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76 self.char = None
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77 self.end = None
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78 self.li = 0
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79 self.id = None
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80 self.base = None
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81 self.subject = None
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82 self.object = None
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83 self.list = None
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84 self.language = None
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85 self.datatype = None
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86 self.declared = None
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87 self.data = None
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88
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89 def next_li(self):
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90 self.li += 1
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91 return RDFNS[self.li]
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92
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93
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94 class RDFXMLHandler(handler.ContentHandler):
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95
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96 def __init__(self, store):
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97 self.store = store
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98 self.preserve_bnode_ids = False
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99 self.reset()
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100
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101 def reset(self):
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102 document_element = ElementHandler()
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103 document_element.start = self.document_element_start
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104 document_element.end = lambda name, qname: None
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105 self.stack = [None, document_element, ]
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106 self.ids = {} # remember IDs we have already seen
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107 self.bnode = {}
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108 self._ns_contexts = [{}] # contains uri -> prefix dicts
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109 self._current_context = self._ns_contexts[-1]
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110
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111 # ContentHandler methods
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112
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113 def setDocumentLocator(self, locator):
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114 self.locator = locator
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115
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116 def startDocument(self):
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117 pass
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118
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119 def startPrefixMapping(self, prefix, namespace):
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120 self._ns_contexts.append(self._current_context.copy())
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121 self._current_context[namespace] = prefix
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122 self.store.bind(prefix, namespace or "", override=False)
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123
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124 def endPrefixMapping(self, prefix):
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125 self._current_context = self._ns_contexts[-1]
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126 del self._ns_contexts[-1]
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127
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128 def startElementNS(self, name, qname, attrs):
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129 stack = self.stack
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130 stack.append(ElementHandler())
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131 current = self.current
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132 parent = self.parent
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133 base = attrs.get(BASE, None)
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134 if base is not None:
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135 base, frag = urldefrag(base)
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136 if parent and parent.base:
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137 base = urljoin(parent.base, base)
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138 else:
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139 systemId = self.locator.getPublicId() \
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140 or self.locator.getSystemId()
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141 if systemId:
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142 base = urljoin(systemId, base)
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143 else:
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144 if parent:
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145 base = parent.base
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146 if base is None:
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147 systemId = self.locator.getPublicId() \
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148 or self.locator.getSystemId()
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149 if systemId:
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150 base, frag = urldefrag(systemId)
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151 current.base = base
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152 language = attrs.get(LANG, None)
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153 if language is None:
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154 if parent:
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155 language = parent.language
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156 current.language = language
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157 current.start(name, qname, attrs)
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158
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159 def endElementNS(self, name, qname):
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160 self.current.end(name, qname)
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161 self.stack.pop()
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162
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163 def characters(self, content):
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164 char = self.current.char
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165 if char:
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166 char(content)
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167
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168 def ignorableWhitespace(self, content):
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169 pass
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170
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171 def processingInstruction(self, target, data):
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172 pass
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173
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174 def add_reified(self, sid, xxx_todo_changeme):
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175 (s, p, o) = xxx_todo_changeme
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176 self.store.add((sid, RDF.type, RDF.Statement))
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177 self.store.add((sid, RDF.subject, s))
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178 self.store.add((sid, RDF.predicate, p))
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179 self.store.add((sid, RDF.object, o))
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180
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181 def error(self, message):
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182 locator = self.locator
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183 info = "%s:%s:%s: " % (locator.getSystemId(),
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184 locator.getLineNumber(),
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185 locator.getColumnNumber())
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186 raise ParserError(info + message)
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187
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188 def get_current(self):
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189 return self.stack[-2]
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190 # Create a read only property called current so that self.current
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191 # give the current element handler.
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192 current = property(get_current)
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193
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194 def get_next(self):
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195 return self.stack[-1]
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196 # Create a read only property that gives the element handler to be
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197 # used for the next element.
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198 next = property(get_next)
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199
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200 def get_parent(self):
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201 return self.stack[-3]
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202 # Create a read only property that gives the current parent
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203 # element handler
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204 parent = property(get_parent)
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205
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206 def absolutize(self, uri):
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207 result = urljoin(self.current.base, uri, allow_fragments=1)
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diff changeset
208 if uri and uri[-1] == "#" and result[-1] != "#":
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209 result = "%s#" % result
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210 return URIRef(result)
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211
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212 def convert(self, name, qname, attrs):
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213 if name[0] is None:
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214 name = URIRef(name[1])
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215 else:
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216 name = URIRef("".join(name))
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diff changeset
217 atts = {}
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218 for (n, v) in list(attrs.items()): # attrs._attrs.iteritems(): #
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219 if n[0] is None:
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220 att = n[1]
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221 else:
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222 att = "".join(n)
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223 if att.startswith(XMLNS) or att[0:3].lower() == "xml":
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224 pass
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225 elif att in UNQUALIFIED:
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226 # if not RDFNS[att] in atts:
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227 atts[RDFNS[att]] = v
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228 else:
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229 atts[URIRef(att)] = v
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230 return name, atts
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231
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232 def document_element_start(self, name, qname, attrs):
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233 if name[0] and URIRef("".join(name)) == RDF.RDF:
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234 # Cheap hack so 2to3 doesn't turn it into __next__
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235 next = getattr(self, 'next')
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parents:
diff changeset
236 next.start = self.node_element_start
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237 next.end = self.node_element_end
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238 else:
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239 self.node_element_start(name, qname, attrs)
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240 # self.current.end = self.node_element_end
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241 # TODO... set end to something that sets start such that
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242 # another element will cause error
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243
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244 def node_element_start(self, name, qname, attrs):
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245 name, atts = self.convert(name, qname, attrs)
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diff changeset
246 current = self.current
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247 absolutize = self.absolutize
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248
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249 # Cheap hack so 2to3 doesn't turn it into __next__
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250 next = getattr(self, 'next')
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251 next.start = self.property_element_start
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252 next.end = self.property_element_end
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253
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diff changeset
254 if name in NODE_ELEMENT_EXCEPTIONS:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
255 self.error("Invalid node element URI: %s" % name)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
256
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
257 if RDF.ID in atts:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
258 if RDF.about in atts or RDF.nodeID in atts:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
259 self.error(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
260 "Can have at most one of rdf:ID, rdf:about, and rdf:nodeID"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
261 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
262
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
263 id = atts[RDF.ID]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
264 if not is_ncname(id):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
265 self.error("rdf:ID value is not a valid NCName: %s" % id)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
266 subject = absolutize("#%s" % id)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
267 if subject in self.ids:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
268 self.error(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
269 "two elements cannot use the same ID: '%s'" % subject)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
270 self.ids[subject] = 1 # IDs can only appear once within a document
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
271 elif RDF.nodeID in atts:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
272 if RDF.ID in atts or RDF.about in atts:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
273 self.error(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
274 "Can have at most one of rdf:ID, rdf:about, and rdf:nodeID"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
275 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
276 nodeID = atts[RDF.nodeID]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
277 if not is_ncname(nodeID):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
278 self.error(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
279 "rdf:nodeID value is not a valid NCName: %s" % nodeID)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
280 if self.preserve_bnode_ids is False:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
281 if nodeID in self.bnode:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
282 subject = self.bnode[nodeID]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
283 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
284 subject = BNode()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
285 self.bnode[nodeID] = subject
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
286 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
287 subject = BNode(nodeID)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
288 elif RDF.about in atts:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
289 if RDF.ID in atts or RDF.nodeID in atts:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
290 self.error(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
291 "Can have at most one of rdf:ID, rdf:about, and rdf:nodeID"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
292 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
293 subject = absolutize(atts[RDF.about])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
294 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
295 subject = BNode()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
296
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
297 if name != RDF.Description: # S1
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
298 self.store.add((subject, RDF.type, absolutize(name)))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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diff changeset
299
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
300 language = current.language
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
301 for att in atts:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
302 if not att.startswith(str(RDFNS)):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
303 predicate = absolutize(att)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
304 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
305 object = Literal(atts[att], language)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
306 except Error as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
307 self.error(e.msg)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
308 elif att == RDF.type: # S2
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
309 predicate = RDF.type
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
310 object = absolutize(atts[RDF.type])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
311 elif att in NODE_ELEMENT_ATTRIBUTES:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
312 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
313 elif att in PROPERTY_ATTRIBUTE_EXCEPTIONS: # S3
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
314 self.error("Invalid property attribute URI: %s" % att)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
315 continue # for when error does not throw an exception
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
316 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
317 predicate = absolutize(att)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
318 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
319 object = Literal(atts[att], language)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
320 except Error as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
321 self.error(e.msg)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
322 self.store.add((subject, predicate, object))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
323
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
324 current.subject = subject
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
325
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
326 def node_element_end(self, name, qname):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
327 # repeat node-elements are only allowed
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
328 # at at top-level
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parents:
diff changeset
329
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
330 if self.parent.object and self.current != self.stack[2]:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
331
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
332 self.error("Repeat node-elements inside property elements: %s"%"".join(name))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
333
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
334 self.parent.object = self.current.subject
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
335
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
336 def property_element_start(self, name, qname, attrs):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
337 name, atts = self.convert(name, qname, attrs)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
338 current = self.current
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
339 absolutize = self.absolutize
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
340
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
341 # Cheap hack so 2to3 doesn't turn it into __next__
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
342 next = getattr(self, 'next')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
343 object = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
344 current.data = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
345 current.list = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
346
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
347 if not name.startswith(str(RDFNS)):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
348 current.predicate = absolutize(name)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
349 elif name == RDF.li:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
350 current.predicate = current.next_li()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
351 elif name in PROPERTY_ELEMENT_EXCEPTIONS:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
352 self.error("Invalid property element URI: %s" % name)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
353 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
354 current.predicate = absolutize(name)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
355
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
356 id = atts.get(RDF.ID, None)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
357 if id is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
358 if not is_ncname(id):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
359 self.error("rdf:ID value is not a value NCName: %s" % id)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
360 current.id = absolutize("#%s" % id)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
361 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
362 current.id = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
363
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
364 resource = atts.get(RDF.resource, None)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
365 nodeID = atts.get(RDF.nodeID, None)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
366 parse_type = atts.get(RDF.parseType, None)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
367 if resource is not None and nodeID is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
368 self.error(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
369 "Property element cannot have both rdf:nodeID and rdf:resource"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
370 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
371 if resource is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
372 object = absolutize(resource)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
373 next.start = self.node_element_start
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
374 next.end = self.node_element_end
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
375 elif nodeID is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
376 if not is_ncname(nodeID):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
377 self.error(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
378 "rdf:nodeID value is not a valid NCName: %s" % nodeID)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
379 if self.preserve_bnode_ids is False:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
380 if nodeID in self.bnode:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
381 object = self.bnode[nodeID]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
382 else:
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parents:
diff changeset
383 subject = BNode()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
384 self.bnode[nodeID] = subject
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
385 object = subject
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
386 else:
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parents:
diff changeset
387 object = subject = BNode(nodeID)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
388 next.start = self.node_element_start
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
389 next.end = self.node_element_end
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
390 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
391 if parse_type is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
392 for att in atts:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
393 if att != RDF.parseType and att != RDF.ID:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
394 self.error("Property attr '%s' now allowed here" % att)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
395 if parse_type == "Resource":
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
396 current.subject = object = BNode()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
397 current.char = self.property_element_char
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
398 next.start = self.property_element_start
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
399 next.end = self.property_element_end
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
400 elif parse_type == "Collection":
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
401 current.char = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
402 object = current.list = RDF.nil # BNode()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
403 # self.parent.subject
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
404 next.start = self.node_element_start
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
405 next.end = self.list_node_element_end
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
406 else: # if parse_type=="Literal":
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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diff changeset
407 # All other values are treated as Literal
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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408 # See: http://www.w3.org/TR/rdf-syntax-grammar/
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409 # parseTypeOtherPropertyElt
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parents:
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410 object = Literal("", datatype=RDF.XMLLiteral)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
411 current.char = self.literal_element_char
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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412 current.declared = {XMLNS: 'xml'}
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
413 next.start = self.literal_element_start
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
414 next.char = self.literal_element_char
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
415 next.end = self.literal_element_end
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parents:
diff changeset
416 current.object = object
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
417 return
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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418 else:
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parents:
diff changeset
419 object = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
420 current.char = self.property_element_char
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
421 next.start = self.node_element_start
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
422 next.end = self.node_element_end
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
423
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
424 datatype = current.datatype = atts.get(RDF.datatype, None)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
425 language = current.language
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
426 if datatype is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
427 # TODO: check that there are no atts other than datatype and id
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
428 datatype = absolutize(datatype)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
429 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
430 for att in atts:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
431 if not att.startswith(str(RDFNS)):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
432 predicate = absolutize(att)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
433 elif att in PROPERTY_ELEMENT_ATTRIBUTES:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
434 continue
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
435 elif att in PROPERTY_ATTRIBUTE_EXCEPTIONS:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
436 self.error("""Invalid property attribute URI: %s""" % att)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
437 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
438 predicate = absolutize(att)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
439
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
440 if att == RDF.type:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
441 o = URIRef(atts[att])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
442 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
443 if datatype is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
444 language = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
445 o = Literal(atts[att], language, datatype)
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parents:
diff changeset
446
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
447 if object is None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
448 object = BNode()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
449 self.store.add((object, predicate, o))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
450 if object is None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
451 current.data = ""
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
452 current.object = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
453 else:
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parents:
diff changeset
454 current.data = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
455 current.object = object
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
456
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parents:
diff changeset
457 def property_element_char(self, data):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
458 current = self.current
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
459 if current.data is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
460 current.data += data
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
461
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parents:
diff changeset
462 def property_element_end(self, name, qname):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
463 current = self.current
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
464 if current.data is not None and current.object is None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
465 literalLang = current.language
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
466 if current.datatype is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
467 literalLang = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
468 current.object = Literal(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
469 current.data, literalLang, current.datatype)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
470 current.data = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
471 if self.next.end == self.list_node_element_end:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
472 if current.object != RDF.nil:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
473 self.store.add((current.list, RDF.rest, RDF.nil))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
474 if current.object is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
475 self.store.add(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
476 (self.parent.subject, current.predicate, current.object))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
477 if current.id is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
478 self.add_reified(current.id, (self.parent.subject,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
479 current.predicate, current.object))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
480 current.subject = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
481
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
482 def list_node_element_end(self, name, qname):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
483 current = self.current
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
484 if self.parent.list == RDF.nil:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
485 list = BNode()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
486 # Removed between 20030123 and 20030905
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
487 # self.store.add((list, RDF.type, LIST))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
488 self.parent.list = list
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
489 self.store.add((self.parent.list, RDF.first, current.subject))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
490 self.parent.object = list
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
491 self.parent.char = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
492 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
493 list = BNode()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
494 # Removed between 20030123 and 20030905
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
495 # self.store.add((list, RDF.type, LIST))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
496 self.store.add((self.parent.list, RDF.rest, list))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
497 self.store.add((list, RDF.first, current.subject))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
498 self.parent.list = list
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
499
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
500 def literal_element_start(self, name, qname, attrs):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
501 current = self.current
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
502 self.next.start = self.literal_element_start
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
503 self.next.char = self.literal_element_char
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
504 self.next.end = self.literal_element_end
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
505 current.declared = self.parent.declared.copy()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
506 if name[0]:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
507 prefix = self._current_context[name[0]]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
508 if prefix:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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509 current.object = "<%s:%s" % (prefix, name[1])
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510 else:
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511 current.object = "<%s" % name[1]
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512 if not name[0] in current.declared:
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513 current.declared[name[0]] = prefix
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514 if prefix:
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515 current.object += (' xmlns:%s="%s"' % (prefix, name[0]))
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516 else:
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517 current.object += (' xmlns="%s"' % name[0])
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518 else:
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519 current.object = "<%s" % name[1]
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520
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521 for (name, value) in list(attrs.items()):
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522 if name[0]:
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523 if not name[0] in current.declared:
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524 current.declared[name[0]] = self._current_context[name[0]]
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525 name = current.declared[name[0]] + ":" + name[1]
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526 else:
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527 name = name[1]
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528 current.object += (' %s=%s' % (name, quoteattr(value)))
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529 current.object += ">"
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530
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531 def literal_element_char(self, data):
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532 self.current.object += escape(data)
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533
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534 def literal_element_end(self, name, qname):
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535 if name[0]:
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536 prefix = self._current_context[name[0]]
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537 if prefix:
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538 end = "</%s:%s>" % (prefix, name[1])
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539 else:
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540 end = "</%s>" % name[1]
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541 else:
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542 end = "</%s>" % name[1]
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543 self.parent.object += self.current.object + end
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544
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545
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546 def create_parser(target, store):
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547 parser = make_parser()
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548 try:
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549 # Workaround for bug in expatreader.py. Needed when
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550 # expatreader is trying to guess a prefix.
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551 parser.start_namespace_decl(
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552 "xml", "http://www.w3.org/XML/1998/namespace")
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553 except AttributeError:
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554 pass # Not present in Jython (at least)
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555 parser.setFeature(handler.feature_namespaces, 1)
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556 rdfxml = RDFXMLHandler(store)
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557 rdfxml.setDocumentLocator(target)
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558 # rdfxml.setDocumentLocator(_Locator(self.url, self.parser))
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559 parser.setContentHandler(rdfxml)
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560 parser.setErrorHandler(ErrorHandler())
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561 return parser
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562
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563
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564 class RDFXMLParser(Parser):
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565
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566 def __init__(self):
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567 pass
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568
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569 def parse(self, source, sink, **args):
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570 self._parser = create_parser(source, sink)
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571 content_handler = self._parser.getContentHandler()
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572 preserve_bnode_ids = args.get("preserve_bnode_ids", None)
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573 if preserve_bnode_ids is not None:
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574 content_handler.preserve_bnode_ids = preserve_bnode_ids
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575 # # We're only using it once now
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576 # content_handler.reset()
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577 # self._parser.reset()
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578 self._parser.parse(source)