X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/1d641adedff354dc932c81ae7b1d9f8c41d0b459..06954b630bc0f09afd4e7e1e9cd04a53ff6347b4:/apps/catalogue/models.py
diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index 1d0b83b65..cb1eff841 100644
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -12,6 +12,7 @@ from django.template.defaultfilters import slugify
from django.utils.safestring import mark_safe
from django.utils.translation import get_language
from django.core.urlresolvers import reverse
+from django.db.models.signals import post_save, m2m_changed, pre_delete
from django.conf import settings
@@ -59,7 +60,7 @@ class Tag(TagBase):
main_page = models.BooleanField(_('main page'), default=False, db_index=True, help_text=_('Show tag on main page'))
user = models.ForeignKey(User, blank=True, null=True)
- book_count = models.IntegerField(_('book count'), blank=False, null=True)
+ book_count = models.IntegerField(_('book count'), blank=True, null=True)
gazeta_link = models.CharField(blank=True, max_length=240)
wiki_link = models.CharField(blank=True, max_length=240)
@@ -171,8 +172,9 @@ def book_upload_path(ext=None):
class BookMedia(models.Model):
type = models.CharField(_('type'), choices=MEDIA_FORMATS, max_length="100")
name = models.CharField(_('name'), max_length="100", blank=True)
- file = models.FileField(_('file'), upload_to=book_upload_path(), blank=True)
+ file = models.FileField(_('file'), upload_to=book_upload_path(), blank=True)
uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False)
+ extra_info = JSONField(_('extra information'), default='{}')
def __unicode__(self):
return "%s (%s)" % (self.name, self.file.name.split("/")[-1])
@@ -182,6 +184,27 @@ class BookMedia(models.Model):
verbose_name = _('book media')
verbose_name_plural = _('book media')
+ def save(self, force_insert=False, force_update=False):
+ media = super(BookMedia, self).save(force_insert, force_update)
+ if self.type == 'mp3':
+ file = self.file
+ extra_info = self.get_extra_info_value()
+ extra_info.update(self.get_mp3_info())
+ self.set_extra_info_value(extra_info)
+ media = super(BookMedia, self).save(force_insert, force_update)
+ return media
+
+ def get_mp3_info(self):
+ """Retrieves artist and director names from audio ID3 tags."""
+ try:
+ audio = id3.ID3(self.file.path)
+ artist_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE1'))
+ director_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE3'))
+ except:
+ artist_name = director_name = ''
+ return {'artist_name': artist_name, 'director_name': director_name}
+
+
class Book(models.Model):
title = models.CharField(_('title'), max_length=120)
slug = models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
@@ -220,7 +243,7 @@ class Book(models.Model):
def __unicode__(self):
return self.title
- def save(self, force_insert=False, force_update=False, reset_short_html=True, refresh_mp3=True, **kwargs):
+ def save(self, force_insert=False, force_update=False, reset_short_html=True, **kwargs):
if reset_short_html:
# Reset _short_html during save
update = {}
@@ -230,16 +253,7 @@ class Book(models.Model):
# Fragment.short_html relies on book's tags, so reset it here too
self.fragments.all().update(**update)
- book = super(Book, self).save(force_insert, force_update)
-
- if refresh_mp3 and self.has_media('mp3'):
- file = self.get_media('mp3')[0]
- #print file, file.path
- extra_info = self.get_extra_info_value()
- extra_info.update(self.get_mp3_info())
- self.set_extra_info_value(extra_info)
- book = super(Book, self).save(force_insert, force_update)
- return book
+ return super(Book, self).save(force_insert, force_update)
@permalink
def get_absolute_url(self):
@@ -300,7 +314,7 @@ class Book(models.Model):
elif type == "html":
return self.html_file
elif type == "epub":
- return self.html_file
+ return self.epub_file
elif type == "txt":
return self.txt_file
elif type == "pdf":
@@ -337,13 +351,11 @@ class Book(models.Model):
formats.append(u'PDF' % self.get_media('pdf').url)
if self.root_ancestor.has_media("epub"):
formats.append(u'EPUB' % self.root_ancestor.get_media('epub').url)
- if self.has_media("odt"):
- formats.append(u'ODT' % self.get_media('odt').url)
if self.has_media("txt"):
formats.append(u'TXT' % self.get_media('txt').url)
# other files
for m in self.medias.order_by('type'):
- formats.append(u'%s' % m.type, m.file.url)
+ formats.append(u'%s' % (m.file.url, m.type.upper()))
formats = [mark_safe(format) for format in formats]
@@ -365,13 +377,6 @@ class Book(models.Model):
return self._root_ancestor
- def get_mp3_info(self):
- """Retrieves artist and director names from audio ID3 tags."""
- audio = id3.ID3(self.get_media('mp3')[0].file.path)
- artist_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE1'))
- director_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE3'))
- return {'artist_name': artist_name, 'director_name': director_name}
-
def has_description(self):
return len(self.description) > 0
has_description.short_description = _('description')
@@ -388,6 +393,11 @@ class Book(models.Model):
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'
@@ -442,9 +452,8 @@ class Book(models.Model):
epub_file = StringIO()
try:
- epub.transform(BookImportDocProvider(self), self.slug, epub_file)
- self.epub_file.save('%s.epub' % self.slug, ContentFile(epub_file.getvalue()), save=False)
- self.save(refresh_mp3=False)
+ epub.transform(BookImportDocProvider(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:
pass
@@ -455,12 +464,22 @@ class Book(models.Model):
if remove_descendants and child_book.has_epub_file():
child_book.epub_file.delete()
# save anyway, to refresh short_html
- child_book.save(refresh_mp3=False)
+ child_book.save()
book_descendants += list(child_book.children.all())
+ def build_txt(self):
+ from StringIO import StringIO
+ from django.core.files.base import ContentFile
+ from librarian import text
+
+ out = StringIO()
+ text.transform(open(self.xml_file.path), out)
+ self.txt_file.save('%s.txt' % self.slug, ContentFile(out.getvalue()))
+ self.save()
+
@classmethod
- def from_xml_file(cls, xml_file, overwrite=False):
+ def from_xml_file(cls, xml_file, **kwargs):
# use librarian to parse meta-data
book_info = dcparser.parse(xml_file)
@@ -468,12 +487,13 @@ class Book(models.Model):
xml_file = File(open(xml_file))
try:
- return cls.from_text_and_meta(xml_file, book_info, overwrite)
+ return cls.from_text_and_meta(xml_file, book_info, **kwargs)
finally:
xml_file.close()
@classmethod
- def from_text_and_meta(cls, raw_file, book_info, overwrite=False):
+ def from_text_and_meta(cls, raw_file, book_info, overwrite=False, build_epub=True, build_txt=True):
+ import re
from tempfile import NamedTemporaryFile
from slughifi import slughifi
from markupstring import MarkupString
@@ -492,6 +512,8 @@ class Book(models.Model):
# Read book metadata
book_base, book_slug = book_info.url.rsplit('/', 1)
+ if re.search(r'[^a-zA-Z0-9-]', book_slug):
+ raise ValueError('Invalid characters in slug')
book, created = Book.objects.get_or_create(slug=book_slug)
if created:
@@ -582,8 +604,11 @@ class Book(models.Model):
new_fragment.save()
new_fragment.tags = set(book_tags + themes + [book_tag] + ancestor_tags)
- if not settings.NO_BUILD_EPUB:
- book.root_ancestor().build_epub()
+ if not settings.NO_BUILD_TXT and build_txt:
+ book.build_txt()
+
+ if not settings.NO_BUILD_EPUB and build_epub:
+ book.root_ancestor.build_epub()
book_descendants = list(book.children.all())
# add l-tag to descendants and their fragments
@@ -612,12 +637,12 @@ class Book(models.Model):
for tag in self.tags.exclude(category__in=('book', 'theme', 'set')).order_by():
tags[tag.pk] = 1
self.set__tag_counter_value(tags)
- self.save(reset_short_html=False, refresh_mp3=False)
+ self.save(reset_short_html=False)
return tags
def reset_tag_counter(self):
self._tag_counter = None
- self.save(reset_short_html=False, refresh_mp3=False)
+ self.save(reset_short_html=False)
if self.parent:
self.parent.reset_tag_counter()
@@ -633,12 +658,12 @@ class Book(models.Model):
for tag in fragment.tags.filter(category='theme').order_by():
tags[tag.pk] = tags.get(tag.pk, 0) + 1
self.set__theme_counter_value(tags)
- self.save(reset_short_html=False, refresh_mp3=False)
+ self.save(reset_short_html=False)
return tags
def reset_theme_counter(self):
self._theme_counter = None
- self.save(reset_short_html=False, refresh_mp3=False)
+ self.save(reset_short_html=False)
if self.parent:
self.parent.reset_theme_counter()
@@ -711,6 +736,12 @@ class FileRecord(models.Model):
def __unicode__(self):
return "%s %s.%s" % (self.sha1, self.slug, self.type)
+###########
+#
+# SIGNALS
+#
+###########
+
def _tags_updated_handler(sender, affected_tags, **kwargs):
# reset tag global counter
@@ -728,3 +759,24 @@ def _tags_updated_handler(sender, affected_tags, **kwargs):
sender.book.reset_theme_counter()
tags_updated.connect(_tags_updated_handler)
+
+def _m2m_changed_handler(sender, instance, action, reverse, pk_set, **kwargs):
+ """ refresh all the short_html stuff on BookMedia delete """
+ if sender == Book.medias.through and reverse and action == 'pre_clear':
+ for book in instance.book_set.all():
+ book.save()
+m2m_changed.connect(_m2m_changed_handler)
+
+def _pre_delete_handler(sender, instance, **kwargs):
+ """ explicitly clear m2m, so that Books can be refreshed """
+ if sender == BookMedia:
+ instance.book_set.clear()
+pre_delete.connect(_pre_delete_handler)
+
+def _post_save_handler(sender, instance, **kwargs):
+ """ refresh all the short_html stuff on BookMedia update """
+ if sender == BookMedia:
+ for book in instance.book_set.all():
+ book.save()
+post_save.connect(_post_save_handler)
+