def load_metadata_prefixes():
"""
Load default metadata prefixes for OAI-PMH
"""
metadataPrefixes = OaiMyMetadataFormat.objects.all()
if len(metadataPrefixes) == 0:
#Add OAI_DC metadata prefix
schemaURL = "http://www.openarchives.org/OAI/2.0/oai_dc.xsd"
file = open(os.path.join(SITE_ROOT, 'oai_pmh', 'resources', 'xsd', 'oai_dc.xsd'),'r')
xsdContent = file.read()
dom = etree.fromstring(xsdContent.encode('utf-8'))
if 'targetNamespace' in dom.find(".").attrib:
metadataNamespace = dom.find(".").attrib['targetNamespace'] or "namespace"
else:
metadataNamespace = "http://www.w3.org/2001/XMLSchema"
OaiMyMetadataFormat(metadataPrefix='oai_dc',
schema=schemaURL,
metadataNamespace=metadataNamespace,
xmlSchema=xsdContent,
isDefault=True).save()
def load_metadata_prefixes():
"""
Load default metadata prefixes for OAI-PMH
"""
metadataPrefixes = OaiMyMetadataFormat.objects.all()
if len(metadataPrefixes) == 0:
#Add OAI_DC metadata prefix
schemaURL = "http://www.openarchives.org/OAI/2.0/oai_dc.xsd"
file = open(
os.path.join(SITE_ROOT, 'oai_pmh', 'resources', 'xsd',
'oai_dc.xsd'), 'r')
xsdContent = file.read()
dom = etree.fromstring(xsdContent.encode('utf-8'))
if 'targetNamespace' in dom.find(".").attrib:
metadataNamespace = dom.find(
".").attrib['targetNamespace'] or "namespace"
else:
metadataNamespace = "http://www.w3.org/2001/XMLSchema"
OaiMyMetadataFormat(metadataPrefix='oai_dc',
schema=schemaURL,
metadataNamespace=metadataNamespace,
xmlSchema=xsdContent,
isDefault=True).save()
#Add NMRR templates as metadata prefixes
templates = {
'all': {
'path': 'res-md.xsd',
'metadataPrefix': 'oai_all'
},
'organization': {
'path': 'res-md.xsd',
'metadataPrefix': 'oai_org'
},
'datacollection': {
'path': 'res-md.xsd',
'metadataPrefix': 'oai_datacol'
},
'repository': {
'path': 'res-md.xsd',
'metadataPrefix': 'oai_repo'
},
'projectarchive': {
'path': 'res-md.xsd',
'metadataPrefix': 'oai_proj'
},
'database': {
'path': 'res-md.xsd',
'metadataPrefix': 'oai_database'
},
'dataset': {
'path': 'res-md.xsd',
'metadataPrefix': 'oai_dataset'
},
'service': {
'path': 'res-md.xsd',
'metadataPrefix': 'oai_serv'
},
'informational': {
'path': 'res-md.xsd',
'metadataPrefix': 'oai_info'
},
'software': {
'path': 'res-md.xsd',
'metadataPrefix': 'oai_soft'
},
}
for template_name, info in templates.iteritems():
try:
template = Template.objects.get(title=template_name,
filename=info['path'])
#Check if the XML is well formed
try:
xml_schema = template.content
dom = etree.fromstring(xml_schema.encode('utf-8'))
if 'targetNamespace' in dom.find(".").attrib:
metadataNamespace = dom.find(
".").attrib['targetNamespace'] or "namespace"
else:
metadataNamespace = "http://www.w3.org/2001/XMLSchema"
except XMLSyntaxError:
print(
'ERROR : Impossible to set the template "%s" as a metadata prefix. The template XML is not well formed.'
% template_name)
#Create a schema URL
schemaURL = OAI_HOST_URI + reverse('getXSD',
args=[template.filename])
#Add in database
OaiMyMetadataFormat(metadataPrefix=info['metadataPrefix'],
schema=schemaURL,
metadataNamespace=metadataNamespace,
xmlSchema='',
isDefault=False,
isTemplate=True,
template=template).save()
except Exception, e:
print(
'ERROR : Impossible to set the template "{!s}" as a metadata prefix. {!s}'
.format(template_name, e.message))
