#
from django.conf import settings
from django.core.files import File
+from django.core.files.storage import FileSystemStorage
from django.db import models
from django.db.models.fields.files import FieldFile
from catalogue import app_settings
from catalogue.constants import LANGUAGES_3TO2
-from catalogue.utils import remove_zip, truncate_html_words, gallery_path
+from catalogue.utils import remove_zip, truncate_html_words, gallery_path, gallery_url
from celery.task import Task, task
from celery.utils.log import get_task_logger
from waiter.utils import clear_cache
"""Builds the ebook in a delayed task."""
return self.field.builder.delay(self.instance, self.field.attname)
+ def get_url(self):
+ return self.instance.media_url(self.field.attname.split('_')[0])
+
+ def set_readable(self, readable):
+ import os
+ permissions = 0o644 if readable else 0o600
+ os.chmod(self.path, permissions)
+
class EbookField(models.FileField):
"""Represents an ebook file field, attachable to a model."""
obj.flush_includes()
return ret
+ def set_file_permissions(self, fieldfile):
+ if fieldfile.instance.preview:
+ fieldfile.set_readable(False)
+
def build(self, fieldfile):
book = fieldfile.instance
out = self.transform(book.wldocument(), fieldfile)
fieldfile.save(None, File(open(out.get_filename())), save=False)
+ self.set_file_permissions(fieldfile)
if book.pk is not None:
- type(book).objects.filter(pk=book.pk).update(**{
+ books = type(book).objects.filter(pk=book.pk)
+ books.update(**{
fieldfile.field.attname: fieldfile
})
+ for book in books:
+ book.save() # just to trigger post-save
if fieldfile.field.format_name in app_settings.FORMAT_ZIPS:
remove_zip(app_settings.FORMAT_ZIPS[fieldfile.field.format_name])
# Don't decorate BuildEbook, because we want to subclass it.
class BuildEpub(BuildEbook):
@staticmethod
def transform(wldoc, fieldfile):
- return wldoc.as_epub(cover=True)
+ return wldoc.as_epub(cover=True, ilustr_path=gallery_path(wldoc.book_info.url.slug))
+
+
+@BuildEbook.register('mobi')
+@task(ignore_result=True)
+class BuildMobi(BuildEbook):
+ @staticmethod
+ def transform(wldoc, fieldfile):
+ return wldoc.as_mobi(cover=True, ilustr_path=gallery_path(wldoc.book_info.url.slug))
@BuildEbook.register('html')
class BuildHtml(BuildEbook):
def build(self, fieldfile):
from django.core.files.base import ContentFile
- from fnpdjango.utils.text.slughifi import slughifi
+ from slugify import slugify
from sortify import sortify
from librarian import html
from catalogue.models import Fragment, Tag
book = fieldfile.instance
- html_output = self.transform(
- book.wldocument(parse_dublincore=False),
- fieldfile)
+ html_output = self.transform(book.wldocument(parse_dublincore=False), fieldfile)
# Delete old fragments, create from scratch if necessary.
book.fragments.all().delete()
lang = None
fieldfile.save(None, ContentFile(html_output.get_string()), save=False)
+ self.set_file_permissions(fieldfile)
type(book).objects.filter(pk=book.pk).update(**{
fieldfile.field.attname: fieldfile
})
if lang == settings.LANGUAGE_CODE:
# Allow creating themes if book in default language.
tag, created = Tag.objects.get_or_create(
- slug=slughifi(theme_name),
+ slug=slugify(theme_name),
category='theme')
if created:
tag.name = theme_name
setattr(tag, "name_%s" % lang, theme_name)
tag.sort_key = sortify(theme_name.lower())
+ tag.for_books = True
tag.save()
themes.append(tag)
elif lang is not None:
new_fragment.save()
new_fragment.tags = set(meta_tags + themes)
+ for theme in themes:
+ if not theme.for_books:
+ theme.for_books = True
+ theme.save()
book.html_built.send(sender=type(self), instance=book)
return True
return False
+ @staticmethod
+ def transform(wldoc, fieldfile):
+ # ugly, but we can't use wldoc.book_info here
+ from librarian import DCNS
+ url_elem = wldoc.edoc.getroot().find('.//' + DCNS('identifier.url'))
+ if url_elem is None:
+ gallery = ''
+ else:
+ gallery = gallery_url(slug=url_elem.text.rsplit('/', 1)[1])
+ return wldoc.as_html(options={'gallery': "'%s'" % gallery})
+
+
+class BuildCover(BuildEbook):
+ def set_file_permissions(self, fieldfile):
+ pass
+
@BuildEbook.register('cover_thumb')
@task(ignore_result=True)
-class BuildCoverThumb(BuildEbook):
+class BuildCoverThumb(BuildCover):
@classmethod
def transform(cls, wldoc, fieldfile):
from librarian.cover import WLCover
return WLCover(wldoc.book_info, height=193).output_file()
+@BuildEbook.register('cover_api_thumb')
+@task(ignore_result=True)
+class BuildCoverApiThumb(BuildCover):
+ @classmethod
+ def transform(cls, wldoc, fieldfile):
+ from librarian.cover import WLNoBoxCover
+ return WLNoBoxCover(wldoc.book_info, height=500).output_file()
+
+
+@BuildEbook.register('simple_cover')
+@task(ignore_result=True)
+class BuildSimpleCover(BuildCover):
+ @classmethod
+ def transform(cls, wldoc, fieldfile):
+ from librarian.cover import WLNoBoxCover
+ return WLNoBoxCover(wldoc.book_info, height=1000).output_file()
+
+
+# not used, but needed for migrations
class OverwritingFieldFile(FieldFile):
"""
Deletes the old file before saving the new one.
class OverwritingFileField(models.FileField):
attr_class = OverwritingFieldFile
+
+
+class OverwriteStorage(FileSystemStorage):
+
+ def get_available_name(self, name, max_length=None):
+ self.delete(name)
+ return name
fnp / wolnelektury.git / blobdiff