Cleaning: timezone issues, deprecated urls.py imports, missing notes.

[wolnelektury.git] / apps / oai / handlers.py

diff --git a/apps/oai/handlers.py b/apps/oai/handlers.py
index 30669ac..142b81f 100644 (file)
--- a/apps/oai/handlers.py
+++ b/apps/oai/handlers.py
@@ -1,8 +1,13 @@
+# -*- coding: utf-8 -*-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
 from oaipmh import server, common, metadata, error
 from catalogue.models import Book, Tag
 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
@@ -11,8 +16,11 @@ 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.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={
@@ -59,7 +67,7 @@ class Catalogue(common.ResumptionOAIPMH):
         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 = \
@@ -80,19 +88,22 @@ class Catalogue(common.ResumptionOAIPMH):
         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))
-            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):
-            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
@@ -106,7 +117,7 @@ class Catalogue(common.ResumptionOAIPMH):
             '%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