def processResourceElement(d, element):
uri = xpathFirst(element, '@rdf:about')
if uri:
d['@id'] = uri
elementCurie = tagToCurie(element.tag)
if elementCurie != 'rdf:Description' and not elementCurie in TYPES_TO_IGNORE:
d['@type'] = elementCurie
for child in element.iterchildren(tag=Element):
processRelationElement(d, child)
def fieldsFromAnnotation(lxmlNode):
for annotation in lxmlNode.getchildren():
if annotation.tag == curieToTag('oa:Annotation'):
for child in annotation.iterchildren():
fieldname = tagToCurie(child.tag)
if child.tag != HAS_BODY:
yield fieldname + ".uri", child.attrib.get(RDF_RESOURCE)
else:
bodyNode = child.getchildren()[0]
for bodyChildNode in bodyNode.iterchildren():
yield _yieldField(bodyChildNode)
def processRelationElement(d, element):
try:
elementCurie = tagToCurie(element.tag)
except KeyError:
return
if elementCurie == 'prov:wasDerivedFrom':
return
objects = []
value = element.text
if value and value.strip():
value = value.strip()
if elementCurie in DECIMAL_VALUE_RELATIONS:
value = Decimal(value)
if elementCurie in SINGLE_LITERAL_VALUE_RELATIONS:
d[elementCurie] = value
return
objects.append(value)
uri = xpathFirst(element, '@rdf:resource')
if uri:
if elementCurie == 'rdf:type':
typeCurie = uriToCurie(uri)
if not typeCurie in TYPES_TO_IGNORE:
d['@type'] = typeCurie
return
value = uri
if not uri in urisResolved:
urisResolved.add(uri)
descriptionElement = xpathFirst(rdf, '//*[@rdf:about="%s"]' % uri)
if not descriptionElement is None:
value = {}
processResourceElement(value, descriptionElement)
objects.append(value)
for child in element.iterchildren(tag=Element):
resourceDict = {}
processResourceElement(resourceDict, child)
objects.append(resourceDict)
if objects:
d.setdefault(elementCurie, []).extend(objects)
prefix, _, _ = elementCurie.partition(':')
context[prefix] = namespaces[prefix]
if elementCurie in RESOURCE_RELATIONS:
context[elementCurie] = {"@type": "@id"}
