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#3208 + raphael.js
[wolnelektury.git] / apps / oai / handlers.py
diff --git a/apps/oai/handlers.py b/apps/oai/handlers.py
index 15a370b..4e3fefc 100644 (file)
--- a/apps/oai/handlers.py
+++ b/apps/oai/handlers.py
@@ -3,6 +3,7 @@ from catalogue.models import Book, Tag
 from api.models import Deleted
 from api.handlers import WL_BASE
 from librarian.dcparser import BookInfo
 from api.models import Deleted
 from api.handlers import WL_BASE
 from librarian.dcparser import BookInfo
+from librarian import WLURI
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.auth.models import User
 from datetime import datetime
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.auth.models import User
 from datetime import datetime
@@ -11,27 +12,33 @@ from lxml.etree import ElementTree
 from django.db.models import Q
 from django.conf import settings
 from django.contrib.sites.models import Site
 from django.db.models import Q
 from django.conf import settings
 from django.contrib.sites.models import Site
+from django.utils import timezone
 
 
 
 
+make_time_naive = lambda d: timezone.localtime(d).replace(tzinfo=None)
+
+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()'),
-    'isPartOf':     ('textList', 'rdf:RDF/rdf:Description/dc:relation.isPartOf/text()'),
-    'hasPart':     ('textList', 'rdf:RDF/rdf:Description/dc:relation.hasPart/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()'),
+    '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/',
@@ -56,7 +63,7 @@ class Catalogue(common.ResumptionOAIPMH):
         self.oai_id = "oai:" + Site.objects.get_current().domain + ":%s"
 
         # earliest change
         self.oai_id = "oai:" + Site.objects.get_current().domain + ":%s"
 
         # earliest change
-        year_zero = datetime(1990, 1, 1, 0, 0, 0)
+        year_zero = timezone.make_aware(datetime(1990, 1, 1, 0, 0, 0), timezone.utc)
 
         try:
             earliest_change = \
 
         try:
             earliest_change = \
@@ -77,19 +84,22 @@ class Catalogue(common.ResumptionOAIPMH):
         finally:
             book.xml_file.close()
         md = wl_dc_reader(xml)
         finally:
             book.xml_file.close()
         md = wl_dc_reader(xml)
-        return md.getMap()
+        m = md.getMap()
+        if book.parent:
+            m['isPartOf'] = [str(WLURI.from_slug(book.parent.slug))]
+        return m
 
     def record_for_book(self, book, headers_only=False):
         meta = None
         identifier = self.slug_to_identifier(book.slug)
         if isinstance(book, Book):
             #            setSpec = map(self.tag_to_setspec, book.tags.filter(category__in=self.TAG_CATEGORIES))
 
     def record_for_book(self, book, headers_only=False):
         meta = None
         identifier = self.slug_to_identifier(book.slug)
         if isinstance(book, Book):
             #            setSpec = map(self.tag_to_setspec, book.tags.filter(category__in=self.TAG_CATEGORIES))
-            header = common.Header(identifier, book.changed_at, [], False)
+            header = common.Header(identifier, make_time_naive(book.changed_at), [], False)
             if not headers_only:
                 meta = common.Metadata(self.metadata(book))
             about = None
         elif isinstance(book, Deleted):
             if not headers_only:
                 meta = common.Metadata(self.metadata(book))
             about = None
         elif isinstance(book, Deleted):
-            header = common.Header(identifier, book.deleted_at, [], True)
+            header = common.Header(identifier, make_time_naive(book.deleted_at), [], True)
             if not headers_only:
                 meta = common.Metadata({})
             about = None
             if not headers_only:
                 meta = common.Metadata({})
             about = None
@@ -103,7 +113,7 @@ class Catalogue(common.ResumptionOAIPMH):
             '%s/oaipmh' % WL_BASE,  # generate
             '2.0',  # version
             [m[1] for m in settings.MANAGERS],  # adminEmails
             '%s/oaipmh' % WL_BASE,  # generate
             '2.0',  # version
             [m[1] for m in settings.MANAGERS],  # adminEmails
-            self.earliest_datestamp,  # earliest datestamp of any change
+            make_time_naive(self.earliest_datestamp),  # earliest datestamp of any change
             'persistent',  # deletedRecord
             'YYYY-MM-DDThh:mm:ssZ',  # granularity
             ['identity'],  # compression
             'persistent',  # deletedRecord
             'YYYY-MM-DDThh:mm:ssZ',  # granularity
             ['identity'],  # compression