from django.db.models import permalink, Q
import django.dispatch
from django.core.cache import cache
+from django.core.files.storage import DefaultStorage
from django.utils.translation import ugettext_lazy as _
from django.contrib.auth.models import User
-from django.core.files import File
from django.template.loader import render_to_string
+from django.utils.datastructures import SortedDict
from django.utils.safestring import mark_safe
from django.utils.translation import get_language
from django.core.urlresolvers import reverse
from newtagging.models import TagBase, tags_updated
from newtagging import managers
from catalogue.fields import JSONField, OverwritingFileField
-from catalogue.utils import ExistingFile, ORMDocProvider, create_zip, remove_zip
+from catalogue.utils import create_zip
+from shutil import copy
+from glob import glob
+import re
+from os import path
-from librarian import dcparser, html, epub, NoDublinCore
-import mutagen
-from mutagen import id3
-from slughifi import slughifi
-from sortify import sortify
-from os import unlink
TAG_CATEGORIES = (
('author', _('author')),
return '/'.join((Tag.categories_dict[self.category], self.slug))
+def get_dynamic_path(media, filename, ext=None, maxlen=100):
+ from slughifi import slughifi
+
+ # how to put related book's slug here?
+ if not ext:
+ if media.type == 'daisy':
+ ext = 'daisy.zip'
+ else:
+ ext = media.type
+ if media is None or not media.name:
+ name = slughifi(filename.split(".")[0])
+ else:
+ name = slughifi(media.name)
+ return 'book/%s/%s.%s' % (ext, name[:maxlen-len('book/%s/.%s' % (ext, ext))-4], ext)
+
+
# TODO: why is this hard-coded ?
def book_upload_path(ext=None, maxlen=100):
- def get_dynamic_path(media, filename, ext=ext):
- # how to put related book's slug here?
- if not ext:
- if media.type == 'daisy':
- ext = 'daisy.zip'
- else:
- ext = media.type
- if not media.name:
- name = slughifi(filename.split(".")[0])
- else:
- name = slughifi(media.name)
- return 'book/%s/%s.%s' % (ext, name[:maxlen-len('book/%s/.%s' % (ext, ext))-4], ext)
- return get_dynamic_path
+ return lambda *args: get_dynamic_path(*args, ext=ext, maxlen=maxlen)
+
+
+def get_customized_pdf_path(book, customizations):
+ """
+ Returns a MEDIA_ROOT relative path for a customized pdf. The name will contain a hash of customization options.
+ """
+ customizations.sort()
+ h = hash(tuple(customizations))
+ pdf_name = '%s-custom-%s' % (book.slug, h)
+ pdf_file = get_dynamic_path(None, pdf_name, ext='pdf')
+ return pdf_file
+
+
+def get_existing_customized_pdf(book):
+ """
+ Returns a list of paths to generated customized pdf of a book
+ """
+ pdf_glob = '%s-custom-' % (book.slug,)
+ pdf_glob = get_dynamic_path(None, pdf_glob, ext='pdf')
+ pdf_glob = re.sub(r"[.]([a-z0-9]+)$", "*.\\1", pdf_glob)
+ return glob(path.join(settings.MEDIA_ROOT, pdf_glob))
class BookMedia(models.Model):
verbose_name_plural = _('book media')
def save(self, *args, **kwargs):
+ from slughifi import slughifi
+ from catalogue.utils import ExistingFile, remove_zip
+
try:
old = BookMedia.objects.get(pk=self.pk)
except BookMedia.DoesNotExist, e:
if slughifi(self.name) != slughifi(old.name):
self.file.save(None, ExistingFile(self.file.path), save=False, leave=True)
+ super(BookMedia, self).save(*args, **kwargs)
+
# remove the zip package for book with modified media
remove_zip(self.book.slug)
- super(BookMedia, self).save(*args, **kwargs)
extra_info = self.get_extra_info_value()
extra_info.update(self.read_meta())
self.set_extra_info_value(extra_info)
"""
Reads some metadata from the audiobook.
"""
+ import mutagen
+ from mutagen import id3
artist_name = director_name = project = funded_by = ''
if self.type == 'mp3':
"""
Reads source file SHA1 from audiobok metadata.
"""
+ import mutagen
+ from mutagen import id3
if filetype == 'mp3':
try:
tags = managers.TagDescriptor(Tag)
html_built = django.dispatch.Signal()
+ published = django.dispatch.Signal()
class AlreadyExists(Exception):
pass
return self.title
def save(self, force_insert=False, force_update=False, reset_short_html=True, **kwargs):
+ from sortify import sortify
+
self.sort_key = sortify(self.title)
ret = super(Book, self).save(force_insert, force_update)
has_daisy_file.short_description = 'DAISY'
has_daisy_file.boolean = True
- def build_pdf(self):
+ def build_pdf(self, customizations=None, file_name=None):
""" (Re)builds the pdf file.
-
+ customizations - customizations which are passed to LaTeX class file.
+ file_name - save the pdf file under a different name and DO NOT save it in db.
"""
- from librarian import pdf
from tempfile import NamedTemporaryFile
- import os
-
- # remove zip with all pdf files
- remove_zip(settings.ALL_PDF_ZIP)
+ from os import unlink
+ from django.core.files import File
+ from librarian import pdf
+ from catalogue.utils import ORMDocProvider, remove_zip
try:
pdf_file = NamedTemporaryFile(delete=False)
pdf.transform(ORMDocProvider(self),
file_path=str(self.xml_file.path),
output_file=pdf_file,
+ customizations=customizations
)
- self.pdf_file.save('%s.pdf' % self.slug, File(open(pdf_file.name)))
+ if file_name is None:
+ # we'd like to be sure not to overwrite changes happening while
+ # (timely) pdf generation is taking place (async celery scenario)
+ current_self = Book.objects.get(id=self.id)
+ current_self.pdf_file.save('%s.pdf' % self.slug, File(open(pdf_file.name)))
+ self.pdf_file = current_self.pdf_file
+
+ # remove cached downloadables
+ remove_zip(settings.ALL_PDF_ZIP)
+
+ for customized_pdf in get_existing_customized_pdf(self):
+ unlink(customized_pdf)
+ else:
+ print "save %s to: %s" % (file_name, DefaultStorage().path(file_name))
+
+ pdf_django_file = File(open(pdf_file.name))
+ DefaultStorage().save(file_name, pdf_django_file)
+ pdf_django_file.close()
finally:
+ pass
unlink(pdf_file.name)
def build_mobi(self):
""" (Re)builds the MOBI file.
"""
- from librarian import mobi
from tempfile import NamedTemporaryFile
- import os
-
- # remove zip with all pdf files
- remove_zip(settings.ALL_MOBI_ZIP)
+ from os import unlink
+ from django.core.files import File
+ from librarian import mobi
+ from catalogue.utils import ORMDocProvider, remove_zip
try:
mobi_file = NamedTemporaryFile(suffix='.mobi', delete=False)
finally:
unlink(mobi_file.name)
+ # remove zip with all mobi files
+ remove_zip(settings.ALL_MOBI_ZIP)
+
def build_epub(self, remove_descendants=True):
""" (Re)builds the epub file.
If book has a parent, does nothing.
from StringIO import StringIO
from hashlib import sha1
from django.core.files.base import ContentFile
+ from librarian import epub, NoDublinCore
+ from catalogue.utils import ORMDocProvider, remove_zip
if self.parent:
# don't need an epub
return
- # remove zip package with all epub files
- remove_zip(settings.ALL_EPUB_ZIP)
-
epub_file = StringIO()
try:
epub.transform(ORMDocProvider(self), self.slug, output_file=epub_file)
child_book.save()
book_descendants += list(child_book.children.all())
+ # remove zip package with all epub files
+ remove_zip(settings.ALL_EPUB_ZIP)
+
def build_txt(self):
from StringIO import StringIO
from django.core.files.base import ContentFile
def build_html(self):
from tempfile import NamedTemporaryFile
from markupstring import MarkupString
+ from django.core.files import File
+ from slughifi import slughifi
+ from librarian import html
meta_tags = list(self.tags.filter(
category__in=('author', 'epoch', 'genre', 'kind')))
return False
@staticmethod
- def zip_epub():
- books = Book.objects.all()
-
- paths = filter(lambda x: x is not None,
- map(lambda b: b.epub_file and b.epub_file.path or None, books))
- result = create_zip.delay(paths, settings.ALL_EPUB_ZIP)
+ def zip_format(format_):
+ def pretty_file_name(book):
+ return "%s/%s.%s" % (
+ b.get_extra_info_value()['author'],
+ b.slug,
+ format_)
+
+ field_name = "%s_file" % format_
+ books = Book.objects.filter(parent=None).exclude(**{field_name: ""})
+ paths = [(pretty_file_name(b), getattr(b, field_name).path)
+ for b in books]
+ result = create_zip.delay(paths,
+ getattr(settings, "ALL_%s_ZIP" % format_.upper()))
return result.wait()
- @staticmethod
- def zip_pdf():
- books = Book.objects.all()
-
- paths = filter(lambda x: x is not None,
- map(lambda b: b.pdf_file and b.pdf_file.path or None, books))
- result = create_zip.delay(paths, settings.ALL_PDF_ZIP)
- return result.wait()
-
- @staticmethod
- def zip_mobi():
- books = Book.objects.all()
-
- paths = filter(lambda x: x is not None,
- map(lambda b: b.mobi_file and b.mobi_file.path or None, books))
- result = create_zip.delay(paths, settings.ALL_MOBI_ZIP)
- return settings.MEDIA_URL + result.wait()
-
def zip_audiobooks(self):
- bm = BookMedia.objects.filter(book=self)
- paths = map(lambda bm: bm.file.path, bm)
+ bm = BookMedia.objects.filter(book=self, type='mp3')
+ paths = map(lambda bm: (None, bm.file.path), bm)
result = create_zip.delay(paths, self.slug)
return result.wait()
@classmethod
def from_xml_file(cls, xml_file, **kwargs):
+ from django.core.files import File
+ from librarian import dcparser
+
# use librarian to parse meta-data
book_info = dcparser.parse(xml_file)
def from_text_and_meta(cls, raw_file, book_info, overwrite=False,
build_epub=True, build_txt=True, build_pdf=True, build_mobi=True):
import re
+ from slughifi import slughifi
+ from sortify import sortify
# check for parts before we do anything
children = []
book.reset_tag_counter()
book.reset_theme_counter()
+ cls.published.send(sender=book)
return book
def reset_tag_counter(self):
return objects
+ @classmethod
+ def book_list(cls, filter=None):
+ """Generates a hierarchical listing of all books.
+
+ Books are optionally filtered with a test function.
+
+ """
+
+ books_by_parent = {}
+ books = cls.objects.all().order_by('parent_number', 'sort_key').only('title', 'parent', 'slug')
+ if filter:
+ books = books.filter(filter).distinct()
+ book_ids = set((book.pk for book in books))
+ for book in books:
+ parent = book.parent_id
+ if parent not in book_ids:
+ parent = None
+ books_by_parent.setdefault(parent, []).append(book)
+ else:
+ for book in books:
+ books_by_parent.setdefault(book.parent_id, []).append(book)
+
+ orphans = []
+ books_by_author = SortedDict()
+ for tag in Tag.objects.filter(category='author'):
+ books_by_author[tag] = []
+
+ for book in books_by_parent.get(None,()):
+ authors = list(book.tags.filter(category='author'))
+ if authors:
+ for author in authors:
+ books_by_author[author].append(book)
+ else:
+ orphans.append(book)
+
+ return books_by_author, orphans, books_by_parent
+
+ _audiences_pl = {
+ "SP1": (1, u"szkoła podstawowa"),
+ "SP2": (1, u"szkoła podstawowa"),
+ "P": (1, u"szkoła podstawowa"),
+ "G": (2, u"gimnazjum"),
+ "L": (3, u"liceum"),
+ "LP": (3, u"liceum"),
+ }
+ def audiences_pl(self):
+ audiences = self.get_extra_info_value().get('audiences', [])
+ audiences = sorted(set([self._audiences_pl[a] for a in audiences]))
+ return [a[1] for a in audiences]
+
def _has_factory(ftype):
has = lambda self: bool(getattr(self, "%s_file" % ftype))
fnp / wolnelektury.git / blobdiff