X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/7c22547b97790b80fff2b0ddfe760925f98bc199..14a614f4d0c3b4eb4517c62bbe8dace766e81209:/apps/catalogue/models.py?ds=sidebyside
diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index c5ca5df7f..1417519f7 100644
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -10,8 +10,8 @@ import django.dispatch
from django.core.cache import cache
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
@@ -22,14 +22,8 @@ from django.conf import settings
from newtagging.models import TagBase, tags_updated
from newtagging import managers
from catalogue.fields import JSONField, OverwritingFileField
-from catalogue.utils import ExistingFile, BookImportDocProvider
+from catalogue.utils import create_zip
-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')),
@@ -179,6 +173,8 @@ class Tag(TagBase):
# TODO: why is this hard-coded ?
def book_upload_path(ext=None, maxlen=100):
def get_dynamic_path(media, filename, ext=ext):
+ from slughifi import slughifi
+
# how to put related book's slug here?
if not ext:
if media.type == 'daisy':
@@ -211,6 +207,9 @@ 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:
@@ -221,6 +220,10 @@ class BookMedia(models.Model):
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)
+
extra_info = self.get_extra_info_value()
extra_info.update(self.read_meta())
self.set_extra_info_value(extra_info)
@@ -231,6 +234,8 @@ class BookMedia(models.Model):
"""
Reads some metadata from the audiobook.
"""
+ import mutagen
+ from mutagen import id3
artist_name = director_name = project = funded_by = ''
if self.type == 'mp3':
@@ -263,6 +268,8 @@ class BookMedia(models.Model):
"""
Reads source file SHA1 from audiobok metadata.
"""
+ import mutagen
+ from mutagen import id3
if filetype == 'mp3':
try:
@@ -293,11 +300,8 @@ class Book(models.Model):
gazeta_link = models.CharField(blank=True, max_length=240)
wiki_link = models.CharField(blank=True, max_length=240)
# files generated during publication
- xml_file = models.FileField(_('XML file'), upload_to=book_upload_path('xml'), blank=True)
- html_file = models.FileField(_('HTML file'), upload_to=book_upload_path('html'), blank=True)
- pdf_file = models.FileField(_('PDF file'), upload_to=book_upload_path('pdf'), blank=True)
- epub_file = models.FileField(_('EPUB file'), upload_to=book_upload_path('epub'), blank=True)
- txt_file = models.FileField(_('TXT file'), upload_to=book_upload_path('txt'), blank=True)
+
+ file_types = ['epub', 'html', 'mobi', 'pdf', 'txt', 'xml']
parent = models.ForeignKey('self', blank=True, null=True, related_name='children')
objects = models.Manager()
@@ -305,6 +309,7 @@ class Book(models.Model):
tags = managers.TagDescriptor(Tag)
html_built = django.dispatch.Signal()
+ published = django.dispatch.Signal()
class AlreadyExists(Exception):
pass
@@ -318,6 +323,8 @@ class Book(models.Model):
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)
@@ -348,49 +355,15 @@ class Book(models.Model):
return book_tag
def has_media(self, type):
- if type == 'xml':
- if self.xml_file:
- return True
- else:
- return False
- elif type == 'html':
- if self.html_file:
- return True
- else:
- return False
- elif type == 'txt':
- if self.txt_file:
- return True
- else:
- return False
- elif type == 'pdf':
- if self.pdf_file:
- return True
- else:
- return False
- elif type == 'epub':
- if self.epub_file:
- return True
- else:
- return False
+ if type in Book.file_types:
+ return bool(getattr(self, "%s_file" % type))
else:
- if self.media.filter(type=type).exists():
- return True
- else:
- return False
+ return self.media.filter(type=type).exists()
def get_media(self, type):
if self.has_media(type):
- if type == "xml":
- return self.xml_file
- elif type == "html":
- return self.html_file
- elif type == "epub":
- return self.epub_file
- elif type == "txt":
- return self.txt_file
- elif type == "pdf":
- return self.pdf_file
+ if type in Book.file_types:
+ return getattr(self, "%s_file" % type)
else:
return self.media.filter(type=type)
else:
@@ -430,11 +403,13 @@ class Book(models.Model):
tags = [mark_safe(u'%s' % (tag.get_absolute_url(), tag.name)) for tag in tags]
formats = []
- # files generated during publication
+ # files generated during publication
if self.has_media("html"):
formats.append(u'%s' % (reverse('book_text', kwargs={'slug': self.slug}), _('Read online')))
if self.has_media("pdf"):
formats.append(u'PDF' % self.get_media('pdf').url)
+ if self.has_media("mobi"):
+ formats.append(u'MOBI' % self.get_media('mobi').url)
if self.root_ancestor.has_media("epub"):
formats.append(u'EPUB' % self.root_ancestor.get_media('epub').url)
if self.has_media("txt"):
@@ -470,26 +445,6 @@ class Book(models.Model):
has_description.boolean = True
# ugly ugly ugly
- def has_pdf_file(self):
- return bool(self.pdf_file)
- has_pdf_file.short_description = 'PDF'
- has_pdf_file.boolean = True
-
- def has_epub_file(self):
- return bool(self.epub_file)
- has_epub_file.short_description = 'EPUB'
- has_epub_file.boolean = True
-
- def has_txt_file(self):
- return bool(self.txt_file)
- has_txt_file.short_description = 'HTML'
- has_txt_file.boolean = True
-
- def has_html_file(self):
- return bool(self.html_file)
- has_html_file.short_description = 'HTML'
- has_html_file.boolean = True
-
def has_odt_file(self):
return bool(self.has_media("odt"))
has_odt_file.short_description = 'ODT'
@@ -514,15 +469,15 @@ class Book(models.Model):
""" (Re)builds the pdf file.
"""
- from librarian import pdf
from tempfile import NamedTemporaryFile
- import os
+ from os import unlink
+ from django.core.files import File
+ from librarian import pdf
+ from catalogue.utils import ORMDocProvider, remove_zip
- path, fname = os.path.realpath(self.xml_file.path).rsplit('/', 1)
try:
pdf_file = NamedTemporaryFile(delete=False)
-
- pdf.transform(BookImportDocProvider(self),
+ pdf.transform(ORMDocProvider(self),
file_path=str(self.xml_file.path),
output_file=pdf_file,
)
@@ -531,6 +486,32 @@ class Book(models.Model):
finally:
unlink(pdf_file.name)
+ # remove zip with all pdf files
+ remove_zip(settings.ALL_PDF_ZIP)
+
+ def build_mobi(self):
+ """ (Re)builds the MOBI file.
+
+ """
+ from tempfile import NamedTemporaryFile
+ 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)
+ mobi.transform(ORMDocProvider(self), verbose=1,
+ file_path=str(self.xml_file.path),
+ output_file=mobi_file.name,
+ )
+
+ self.mobi_file.save('%s.mobi' % self.slug, File(open(mobi_file.name)))
+ 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.
@@ -540,6 +521,8 @@ class Book(models.Model):
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
@@ -547,7 +530,7 @@ class Book(models.Model):
epub_file = StringIO()
try:
- epub.transform(BookImportDocProvider(self), self.slug, output_file=epub_file)
+ epub.transform(ORMDocProvider(self), self.slug, output_file=epub_file)
self.epub_file.save('%s.epub' % self.slug, ContentFile(epub_file.getvalue()))
FileRecord(slug=self.slug, type='epub', sha1=sha1(epub_file.getvalue()).hexdigest()).save()
except NoDublinCore:
@@ -562,6 +545,9 @@ class Book(models.Model):
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
@@ -575,6 +561,9 @@ class Book(models.Model):
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')))
@@ -627,9 +616,33 @@ class Book(models.Model):
return True
return False
+ @staticmethod
+ 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()
+
+ def zip_audiobooks(self):
+ 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)
@@ -642,8 +655,11 @@ class Book(models.Model):
xml_file.close()
@classmethod
- def from_text_and_meta(cls, raw_file, book_info, overwrite=False, build_epub=True, build_txt=True, build_pdf=True):
+ 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 = []
@@ -718,6 +734,9 @@ class Book(models.Model):
if not settings.NO_BUILD_PDF and build_pdf:
book.root_ancestor.build_pdf()
+ if not settings.NO_BUILD_MOBI and build_mobi:
+ book.build_mobi()
+
book_descendants = list(book.children.all())
# add l-tag to descendants and their fragments
# delete unnecessary EPUB files
@@ -735,6 +754,7 @@ class Book(models.Model):
book.reset_tag_counter()
book.reset_theme_counter()
+ cls.published.send(sender=book)
return book
def reset_tag_counter(self):
@@ -828,6 +848,61 @@ class Book(models.Model):
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
+
+
+def _has_factory(ftype):
+ has = lambda self: bool(getattr(self, "%s_file" % ftype))
+ has.short_description = t.upper()
+ has.boolean = True
+ has.__name__ = "has_%s_file" % ftype
+ return has
+
+
+# add the file fields
+for t in Book.file_types:
+ field_name = "%s_file" % t
+ models.FileField(_("%s file" % t.upper()),
+ upload_to=book_upload_path(t),
+ blank=True).contribute_to_class(Book, field_name)
+
+ setattr(Book, "has_%s_file" % t, _has_factory(t))
+
class Fragment(models.Model):
text = models.TextField()
@@ -886,6 +961,25 @@ class FileRecord(models.Model):
def __unicode__(self):
return "%s %s.%s" % (self.sha1, self.slug, self.type)
+
+class Collection(models.Model):
+ """A collection of books, which might be defined before publishing them."""
+ title = models.CharField(_('title'), max_length=120, db_index=True)
+ slug = models.SlugField(_('slug'), max_length=120, primary_key=True)
+ description = models.TextField(_('description'), null=True, blank=True)
+
+ models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
+ book_slugs = models.TextField(_('book slugs'))
+
+ class Meta:
+ ordering = ('title',)
+ verbose_name = _('collection')
+ verbose_name_plural = _('collections')
+
+ def __unicode__(self):
+ return self.title
+
+
###########
#
# SIGNALS