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Make title results first
[wolnelektury.git] / apps / oai / handlers.py
diff --git a/apps/oai/handlers.py b/apps/oai/handlers.py
index 26e1cfa..59e599c 100644 (file)
--- a/apps/oai/handlers.py
+++ b/apps/oai/handlers.py
@@ -14,25 +14,28 @@ from django.conf import settings
 from django.contrib.sites.models import Site
 
 
 from django.contrib.sites.models import Site
 
 
+WL_DC_READER_XPATH = '(.|*)/rdf:RDF/rdf:Description/%s/text()' 
 wl_dc_reader = metadata.MetadataReader(
     fields={
 wl_dc_reader = metadata.MetadataReader(
     fields={
-    'title':       ('textList', 'rdf:RDF/rdf:Description/dc:title/text()'),
-    'creator':     ('textList', 'rdf:RDF/rdf:Description/dc:creator/text()'),
-    'subject':     ('textList', 'rdf:RDF/rdf:Description/dc:subject.period/text() | rdf:RDF/rdf:Description/dc:subject.type/text() | rdf:RDF/rdf:Description/dc:subject.genre/text()'),
-    'description': ('textList', 'rdf:RDF/rdf:Description/dc:description/text()'),
-    'publisher':   ('textList', 'rdf:RDF/rdf:Description/dc:publisher/text()'),
-    'contributor': ('textList', 'rdf:RDF/rdf:Description/dc:contributor.editor/text() | rdf:RDF/rdf:Description/dc:contributor.translator/text() | rdf:RDF/rdf:Description/dc:contributor.technical_editor/text()'),
-    'date':        ('textList', 'rdf:RDF/rdf:Description/dc:date/text()'),
-    'type':        ('textList', 'rdf:RDF/rdf:Description/dc:type/text()'),
-    'format':      ('textList', 'rdf:RDF/rdf:Description/dc:format/text()'),
-    'identifier':  ('textList', 'rdf:RDF/rdf:Description/dc:identifier.url/text()'),
-    'source':      ('textList', 'rdf:RDF/rdf:Description/dc:source/text()'),
-    'language':    ('textList', 'rdf:RDF/rdf:Description/dc:language/text()'),
+    'title':       ('textList', WL_DC_READER_XPATH % 'dc:title'),
+    'creator':     ('textList', WL_DC_READER_XPATH % 'dc:creator'),
+    'subject':     ('textList', (WL_DC_READER_XPATH + ' | ' + WL_DC_READER_XPATH + ' | ' + WL_DC_READER_XPATH) %
+                    ('dc:subject.period', 'dc:subject.type', 'dc:subject.genre')),
+    'description': ('textList', WL_DC_READER_XPATH % 'dc:description'),
+    'publisher':   ('textList', WL_DC_READER_XPATH % 'dc:publisher'),
+    'contributor': ('textList', (WL_DC_READER_XPATH + ' | ' + WL_DC_READER_XPATH + ' | ' + WL_DC_READER_XPATH) %
+                    ('dc:contributor.editor', 'dc:contributor.translator', 'dc:contributor.technical_editor')),
+    'date':        ('textList', WL_DC_READER_XPATH % 'dc:date'),
+    'type':        ('textList', WL_DC_READER_XPATH % 'dc:type'),
+    'format':      ('textList', WL_DC_READER_XPATH % 'dc:format'),
+    'identifier':  ('textList', WL_DC_READER_XPATH % 'dc:identifier.url'),
+    'source':      ('textList', WL_DC_READER_XPATH % 'dc:source'),
+    'language':    ('textList', WL_DC_READER_XPATH % 'dc:language'),
     #'isPartOf':     ('textList', 'rdf:RDF/rdf:Description/dc:relation.isPartOf/text()'),
     #'isPartOf':     ('textList', 'rdf:RDF/rdf:Description/dc:relation.isPartOf/text()'),
-    'hasPart':     ('textList', 'rdf:RDF/rdf:Description/dc:relation.hasPart/text()'),
+    'hasPart':     ('textList', WL_DC_READER_XPATH % 'dc:relation.hasPart'),
     #    'relation':    ('textList', 'rdf:RDF/rdf:Description/dc:relation/text()'),
     #    'coverage':    ('textList', 'rdf:RDF/rdf:Description/dc:coverage/text()'),
     #    'relation':    ('textList', 'rdf:RDF/rdf:Description/dc:relation/text()'),
     #    'coverage':    ('textList', 'rdf:RDF/rdf:Description/dc:coverage/text()'),
-    'rights':      ('textList', 'rdf:RDF/rdf:Description/dc:rights/text()')
+    'rights':      ('textList', WL_DC_READER_XPATH % 'dc:rights')
     },
     namespaces={
     'dc': 'http://purl.org/dc/elements/1.1/',
     },
     namespaces={
     'dc': 'http://purl.org/dc/elements/1.1/',
@@ -40,14 +43,21 @@ wl_dc_reader = metadata.MetadataReader(
     )
 
 
     )
 
 
+NS_DCTERMS = "http://purl.org/dc/terms/"
+
+
+def nsdcterms(name):
+    return '{%s}%s' % (NS_DCTERMS, name)
+
+
 class Catalogue(common.ResumptionOAIPMH):
     TAG_CATEGORIES = ['author', 'epoch', 'kind', 'genre']
 class Catalogue(common.ResumptionOAIPMH):
     TAG_CATEGORIES = ['author', 'epoch', 'kind', 'genre']
-    
+
     def __init__(self, metadata_registry):
         super(Catalogue, self).__init__()
         self.metadata_registry = metadata_registry
 
     def __init__(self, metadata_registry):
         super(Catalogue, self).__init__()
         self.metadata_registry = metadata_registry
 
-        self.oai_id = "oai:"+Site.objects.get_current().domain+":%s"
+        self.oai_id = "oai:" + Site.objects.get_current().domain + ":%s"
 
         # earliest change
         year_zero = datetime(1990, 1, 1, 0, 0, 0)
 
         # earliest change
         year_zero = datetime(1990, 1, 1, 0, 0, 0)
@@ -111,7 +121,7 @@ class Catalogue(common.ResumptionOAIPMH):
     def books(self, tag, from_, until):
         if tag:
             # we do not support sets, since they are problematic for deleted books.
     def books(self, tag, from_, until):
         if tag:
             # we do not support sets, since they are problematic for deleted books.
-            raise errror.NoSetHierarchyError("Wolne Lektury does not support sets.")
+            raise error.NoSetHierarchyError("Wolne Lektury does not support sets.")
             # books = Book.tagged.with_all([tag])
         else:
             books = Book.objects.all()
             # books = Book.tagged.with_all([tag])
         else:
             books = Book.objects.all()
@@ -193,9 +203,13 @@ returns result, token
         return records, None
 
     def listMetadataFormats(self, **kw):
         return records, None
 
     def listMetadataFormats(self, **kw):
-        formats = [('oai_dc',
-                 'http://www.openarchives.org/OAI/2.0/oai_dc.xsd',
-                 server.NS_OAIDC)]
+        formats = [
+            ('oai_dc',
+             'http://www.openarchives.org/OAI/2.0/oai_dc.xsd',
+             server.NS_OAIDC),
+            ('qdc',
+             'http://dublincore.org/schemas/xmls/qdc/2006/01/06/dcterms.xsd',
+             NS_DCTERMS)]
         if 'identifier' in kw:
             slug = self.identifier_to_slug(kw['identifier'])
             try:
         if 'identifier' in kw:
             slug = self.identifier_to_slug(kw['identifier'])
             try:
@@ -219,5 +233,3 @@ returns result, token
         #                      tag.name,
         #                      tag.description))
         # return tags, None
         #                      tag.name,
         #                      tag.description))
         # return tags, None
-
-