-# -*- 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.
+# This file is part of Wolne Lektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Wolne Lektury. 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 import WLURI
-from django.contrib.contenttypes.models import ContentType
from datetime import datetime
from lxml import etree
+
from django.conf import settings
+from django.contrib.contenttypes.models import ContentType
from django.contrib.sites.models import Site
from django.utils import timezone
+from oaipmh import server, common, metadata, error
+
+from api.handlers import WL_BASE
+from api.models import Deleted
+from catalogue.models import Book
+from librarian import WLURI
-make_time_naive = lambda d: timezone.localtime(d).replace(tzinfo=None)
+def make_time_naive(d):
+ return timezone.localtime(d).replace(tzinfo=None)
WL_DC_READER_XPATH = '(.|*)/rdf:RDF/rdf:Description/%s/text()'
wl_dc_reader = metadata.MetadataReader(
fields={
- '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()'),
- 'rights': ('textList', WL_DC_READER_XPATH % 'dc:rights')
+ '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()'),
+ 'rights': ('textList', WL_DC_READER_XPATH % 'dc:rights')
},
namespaces={
- 'dc': 'http://purl.org/dc/elements/1.1/',
- 'rdf': 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'}
+ 'dc': 'http://purl.org/dc/elements/1.1/',
+ 'rdf': 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'}
)
year_zero = timezone.make_aware(datetime(1990, 1, 1, 0, 0, 0), timezone.utc)
try:
- earliest_change = \
- Book.objects.order_by('changed_at')[0].changed_at
- except: earliest_change = year_zero
+ earliest_change = Book.objects.filter(findable=True, preview=False).order_by('changed_at')[0].changed_at
+ except IndexError:
+ earliest_change = year_zero
try:
earliest_delete = \
- Deleted.objects.exclude(slug__exact=u'').ordery_by('deleted_at')[0].deleted_at
- except: earliest_delete = year_zero
+ Deleted.objects.exclude(slug__exact='').order_by('deleted_at')[0].deleted_at
+ except IndexError:
+ earliest_delete = year_zero
- self.earliest_datestamp = earliest_change <= earliest_delete and \
- earliest_change or earliest_delete
+ self.earliest_datestamp = earliest_change if earliest_change <= earliest_delete else earliest_delete
- def metadata(self, book):
+ @staticmethod
+ def metadata(book):
try:
xml = etree.parse(book.xml_file)
finally:
md = wl_dc_reader(xml)
m = md.getMap()
if book.parent:
- m['isPartOf'] = [str(WLURI.from_slug(book.parent.slug))]
+ m['isPartOf'] = [str(WLURI(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, make_time_naive(book.changed_at), [], False)
+ # setSpec = map(self.tag_to_setspec, book.tags.filter(category__in=self.TAG_CATEGORIES))
+ header = common.Header(None, identifier, make_time_naive(book.changed_at), [], False)
if not headers_only:
- meta = common.Metadata(self.metadata(book))
+ meta = common.Metadata(None, self.metadata(book))
about = None
elif isinstance(book, Deleted):
- header = common.Header(identifier, make_time_naive(book.deleted_at), [], True)
+ header = common.Header(None, identifier, make_time_naive(book.deleted_at), [], True)
if not headers_only:
- meta = common.Metadata({})
+ meta = common.Metadata(None, {})
about = None
+ else:
+ raise TypeError('Unknown book class')
if headers_only:
return header
return header, meta, about
def identify(self, **kw):
ident = common.Identify(
'Wolne Lektury', # generate
- '%s/oaipmh' % unicode(WL_BASE), # generate
+ '%s/oaipmh' % str(WL_BASE), # generate
'2.0', # version
[m[1] for m in settings.MANAGERS], # adminEmails
make_time_naive(self.earliest_datestamp), # earliest datestamp of any change
raise error.NoSetHierarchyError("Wolne Lektury does not support sets.")
# books = Book.tagged.with_all([tag])
else:
- books = Book.objects.all()
- deleted = Deleted.objects.exclude(slug__exact=u'')
+ books = Book.objects.filter(findable=True, preview=False)
+ deleted = Deleted.objects.exclude(slug__exact='')
books = books.order_by('changed_at')
deleted = deleted.order_by('deleted_at')
deleted = deleted.filter(deleted_at__lte=until)
return list(books) + list(deleted)
- @staticmethod
- def tag_to_setspec(tag):
- return "%s:%s" % (tag.category, tag.slug)
-
- @staticmethod
- def setspec_to_tag(s):
- if not s: return None
- cs = s.split(':')
- if len(cs) == 2:
- if not cs[0] in Catalogue.TAG_CATEGORIES:
- raise error.NoSetHierarchyError("No category part in set")
- tag = Tag.objects.get(slug=cs[1], category=cs[0])
- return tag
- raise error.NoSetHierarchyError("Setspec should have two components: category:slug")
+ # @staticmethod
+ # def tag_to_setspec(tag):
+ # return "%s:%s" % (tag.category, tag.slug)
+
+ # @staticmethod
+ # def setspec_to_tag(s):
+ # if not s: return None
+ # cs = s.split(':')
+ # if len(cs) == 2:
+ # if not cs[0] in Catalogue.TAG_CATEGORIES:
+ # raise error.NoSetHierarchyError("No category part in set")
+ # tag = Tag.objects.get(slug=cs[1], category=cs[0])
+ # return tag
+ # raise error.NoSetHierarchyError("Setspec should have two components: category:slug")
def getRecord(self, **kw):
- """
-Returns (header, metadata, about) for given record.
- """
+ """Returns (header, metadata, about) for given record."""
slug = self.identifier_to_slug(kw['identifier'])
try:
book = Book.objects.get(slug=slug)
except Book.DoesNotExist:
book_type = ContentType.objects.get_for_model(Book)
try:
- deleted_book = Deleted.objects.get(content_type=book_type,
- slug=slug)
+ deleted_book = Deleted.objects.get(content_type=book_type, slug=slug)
except:
raise error.IdDoesNotExistError("No item for this identifier")
return self.record_for_book(deleted_book)
def listIdentifiers(self, **kw):
self.validate_kw(kw)
records = [self.record_for_book(book, headers_only=True) for
- book in self.books(None,
- kw.get('from_', None),
- kw.get('until', None))]
+ book in self.books(None, kw.get('from_'), kw.get('until'))]
return records, None
def listRecords(self, **kw):
"""
-can get a resumptionToken kw.
-returns result, token
+ can get a resumptionToken kw.
+ returns result, token
"""
self.validate_kw(kw)
records = [self.record_for_book(book) for
if 'identifier' in kw:
slug = self.identifier_to_slug(kw['identifier'])
try:
- b = Book.objects.get(slug=slug)
+ Book.objects.get(slug=slug)
return formats
- except:
+ except Book.DoesNotExist:
try:
- d = Deleted.objects.get(slug=slug)
+ Deleted.objects.get(slug=slug)
return []
- except:
+ except Deleted.DoesNotExist:
raise error.IdDoesNotExistError("This id does not exist")
else:
return formats
fnp / wolnelektury.git / blobdiff