# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
import os
+import pkg_resources
+import random
+from django.apps import apps
from django.conf import settings
from django.core.files import File
from django.db import models
from django.db.models.fields.files import FieldFile
from django.utils.deconstruct import deconstructible
from django.utils.translation import gettext_lazy as _
-from catalogue.constants import LANGUAGES_3TO2, EBOOK_FORMATS_WITH_CHILDREN, EBOOK_FORMATS_WITHOUT_CHILDREN
+from catalogue.constants import LANGUAGES_3TO2
from catalogue.utils import absolute_url, remove_zip, truncate_html_words, gallery_path, gallery_url
from waiter.utils import clear_cache
"""Represents an ebook file field, attachable to a model."""
attr_class = EbookFieldFile
ext = None
+ for_parents = True
librarian2_api = False
ZIP = None
- def __init__(self, verbose_name_=None, with_etag=True, **kwargs):
- # This is just for compatibility with older migrations,
- # where first argument was for ebook format.
- # Can be scrapped if old migrations are updated/removed.
- verbose_name = verbose_name_ or _("%s file") % self.ext
- kwargs.setdefault('verbose_name', verbose_name_ )
-
+ def __init__(self, verbose_name=None, with_etag=True, etag_field_name=None, **kwargs):
+ kwargs.setdefault('verbose_name', verbose_name)
self.with_etag = with_etag
+ self.etag_field_name = etag_field_name
kwargs.setdefault('max_length', 255)
kwargs.setdefault('blank', True)
kwargs.setdefault('default', '')
del kwargs['default']
if self.get_upload_to(self.ext) == kwargs.get('upload_to'):
del kwargs['upload_to']
- if not self.with_etag:
+ # with_etag creates a second field, which then deconstructs to manage
+ # its own migrations. So for migrations, etag_field_name is explicitly
+ # set to avoid double creation of the etag field.
+ if self.with_etag:
+ kwargs['etag_field_name'] = self.etag_field_name
+ else:
kwargs['with_etag'] = self.with_etag
- # Compatibility
- verbose_name = kwargs.get('verbose_name')
- if verbose_name:
- del kwargs['verbose_name']
- if verbose_name != _("%s file") % self.ext:
- args = [verbose_name] + args
- return name, path, args, kwargs
+ return name, path, args, kwargs
@classmethod
def get_upload_to(cls, directory):
def contribute_to_class(self, cls, name):
super(EbookField, self).contribute_to_class(cls, name)
- self.etag_field_name = f'{name}_etag'
- if self.with_etag:
+ if self.with_etag and not self.etag_field_name:
+ self.etag_field_name = f'{name}_etag'
self.etag_field = models.CharField(max_length=255, editable=False, default='', db_index=True)
self.etag_field.contribute_to_class(cls, f'{name}_etag')
setattr(cls, 'has_%s' % self.attname, has)
def get_current_etag(self):
- import pkg_resources
+ MediaInsertSet = apps.get_model('annoy', 'MediaInsertSet')
librarian_version = pkg_resources.get_distribution("librarian").version
- return librarian_version
-
- def schedule_stale(self, queryset=None):
- """Schedule building this format for all the books where etag is stale."""
+ etag = librarian_version
+ mis = MediaInsertSet.get_for_format(self.ext)
+ if mis is not None:
+ etag += '_' + mis.etag
+ return etag
+
+ def find_stale(self, limit):
+ """Find some books where this format is stale."""
# If there is not ETag field, bail. That's true for xml file field.
if not self.with_etag:
- return
+ return []
etag = self.get_current_etag()
- if queryset is None:
- queryset = self.model.objects.all()
- if self.format_name in EBOOK_FORMATS_WITHOUT_CHILDREN + ['html']:
+ queryset = self.model.objects.all()
+ if not self.for_parents:
queryset = queryset.filter(children=None)
queryset = queryset.exclude(**{
f'{self.etag_field_name}__in': [
etag, f'{etag}{ETAG_SCHEDULED_SUFFIX}'
- ]
+ ]
})
- for obj in queryset:
- fieldfile = getattr(obj, self.attname)
- priority = EBOOK_REBUILD_PRIORITY if fieldfile else EBOOK_BUILD_PRIORITY
- fieldfile.build_delay(priority=priority)
+
+ queryset = queryset.order_by('?')[:limit]
+ return queryset
@classmethod
- def schedule_all_stale(cls, model):
+ def find_all_stale(cls, model, limit):
"""Schedules all stale ebooks of all formats to rebuild."""
+ found = []
for field in model._meta.fields:
if isinstance(field, cls):
- field.schedule_stale()
+ for instance in field.find_stale(limit):
+ found.append((
+ field.name,
+ instance
+ ))
+ random.shuffle(found)
+ found = found[:limit]
+ return found
@staticmethod
def transform(wldoc):
out = self.transform(
book.wldocument2() if self.librarian2_api else book.wldocument(),
)
- fieldfile.save(None, File(open(out.get_filename(), 'rb')), save=False)
+ with open(out.get_filename(), 'rb') as f:
+ fieldfile.save(None, File(f), save=False)
self.set_file_permissions(fieldfile)
if book.pk is not None:
book.save(update_fields=[self.attname])
class TxtField(EbookField):
ext = 'txt'
+ for_parents = False
@staticmethod
def transform(wldoc):
class Fb2Field(EbookField):
ext = 'fb2'
+ for_parents = False
ZIP = 'wolnelektury_pl_fb2'
@staticmethod
base_url=absolute_url(gallery_url(wldoc.book_info.url.slug)), customizations=['notoc'])
def build(self, fieldfile):
- BuildEbook.build(self, fieldfile)
+ super().build(fieldfile)
clear_cache(fieldfile.instance.slug)
@staticmethod
def transform(wldoc):
from librarian.builders import EpubBuilder
+ MediaInsertSet = apps.get_model('annoy', 'MediaInsertSet')
return EpubBuilder(
base_url='file://' + os.path.abspath(gallery_path(wldoc.meta.url.slug)) + '/',
- fundraising=settings.EPUB_FUNDRAISING
+ fundraising=MediaInsertSet.get_texts_for('epub')
).build(wldoc)
@staticmethod
def transform(wldoc):
from librarian.builders import MobiBuilder
+ MediaInsertSet = apps.get_model('annoy', 'MediaInsertSet')
return MobiBuilder(
base_url='file://' + os.path.abspath(gallery_path(wldoc.meta.url.slug)) + '/',
- fundraising=settings.EPUB_FUNDRAISING
+ fundraising=MediaInsertSet.get_texts_for('mobi')
).build(wldoc)
class HtmlField(EbookField):
ext = 'html'
+ for_parents = False
def build(self, fieldfile):
from django.core.files.base import ContentFile
ext = 'jpg'
directory = 'cover'
+ @staticmethod
+ def transform(wldoc):
+ return wldoc.as_cover()
+
def set_file_permissions(self, fieldfile):
pass
@staticmethod
def transform(wldoc):
- if wldoc.book_info.cover_box_position == 'none':
- from librarian.cover import WLCover
- return WLCover(wldoc.book_info, width=240).output_file()
from librarian.covers.marquise import MarquiseCover
- return MarquiseCover(wldoc.book_info, width=240).output_file()
+ return MarquiseCover(wldoc.book_info, width=360).output_file()
class CoverThumbField(CoverField):
fnp / wolnelektury.git / blobdiff