Code layout change.

[wolnelektury.git] / apps / catalogue / models / bookmedia.py

diff --git a/apps/catalogue/models/bookmedia.py b/apps/catalogue/models/bookmedia.py
deleted file mode 100644 (file)
index 1ef3fd7..0000000
--- a/apps/catalogue/models/bookmedia.py
+++ /dev/null
@@ -1,134 +0,0 @@
-# -*- coding: utf-8 -*-
-# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
-#
-from collections import OrderedDict
-import json
-from collections import namedtuple
-from django.db import models
-from django.utils.translation import ugettext_lazy as _
-import jsonfield
-from fnpdjango.utils.text.slughifi import slughifi
-from catalogue.fields import OverwritingFileField
-
-
-def _file_upload_to(i, _n):
-    return 'book/%(ext)s/%(name)s.%(ext)s' % {
-            'ext': i.ext(), 'name': slughifi(i.name)}
-
-class BookMedia(models.Model):
-    """Represents media attached to a book."""
-    FileFormat = namedtuple("FileFormat", "name ext")
-    formats = OrderedDict([
-        ('mp3', FileFormat(name='MP3', ext='mp3')),
-        ('ogg', FileFormat(name='Ogg Vorbis', ext='ogg')),
-        ('daisy', FileFormat(name='DAISY', ext='daisy.zip')),
-    ])
-    format_choices = [(k, _('%s file' % t.name))
-            for k, t in formats.items()]
-
-    type = models.CharField(_('type'), db_index=True, choices=format_choices, max_length=20)
-    name = models.CharField(_('name'), max_length=512)
-    file = OverwritingFileField(_('file'), max_length=600,
-        upload_to=_file_upload_to)
-    uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False, db_index=True)
-    extra_info = jsonfield.JSONField(_('extra information'), default={}, editable=False)
-    book = models.ForeignKey('Book', related_name='media')
-    source_sha1 = models.CharField(null=True, blank=True, max_length=40, editable=False)
-
-    def __unicode__(self):
-        return "%s (%s)" % (self.name, self.file.name.split("/")[-1])
-
-    class Meta:
-        ordering            = ('type', 'name')
-        verbose_name        = _('book media')
-        verbose_name_plural = _('book media')
-        app_label = 'catalogue'
-
-    def save(self, *args, **kwargs):
-        from catalogue.utils import ExistingFile, remove_zip
-
-        try:
-            old = BookMedia.objects.get(pk=self.pk)
-        except BookMedia.DoesNotExist:
-            old = None
-        else:
-            # if name changed, change the file name, too
-            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
-        if old:
-            remove_zip("%s_%s" % (old.book.slug, old.type))
-        remove_zip("%s_%s" % (self.book.slug, self.type))
-
-        extra_info = self.extra_info
-        if isinstance(extra_info, basestring):
-            # Walkaround for weird jsonfield 'no-decode' optimization.
-            extra_info = json.loads(extra_info)
-        extra_info.update(self.read_meta())
-        self.extra_info = extra_info
-        self.source_sha1 = self.read_source_sha1(self.file.path, self.type)
-        return super(BookMedia, self).save(*args, **kwargs)
-
-    def read_meta(self):
-        """
-            Reads some metadata from the audiobook.
-        """
-        import mutagen
-        from mutagen import id3
-
-        artist_name = director_name = project = funded_by = ''
-        if self.type == 'mp3':
-            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'))
-                project = ", ".join([t.data for t in audio.getall('PRIV')
-                        if t.owner == 'wolnelektury.pl?project'])
-                funded_by = ", ".join([t.data for t in audio.getall('PRIV')
-                        if t.owner == 'wolnelektury.pl?funded_by'])
-            except:
-                pass
-        elif self.type == 'ogg':
-            try:
-                audio = mutagen.File(self.file.path)
-                artist_name = ', '.join(audio.get('artist', []))
-                director_name = ', '.join(audio.get('conductor', []))
-                project = ", ".join(audio.get('project', []))
-                funded_by = ", ".join(audio.get('funded_by', []))
-            except:
-                pass
-        else:
-            return {}
-        return {'artist_name': artist_name, 'director_name': director_name,
-                'project': project, 'funded_by': funded_by}
-
-    def ext(self):
-        return self.formats[self.type].ext
-
-    @staticmethod
-    def read_source_sha1(filepath, filetype):
-        """
-            Reads source file SHA1 from audiobok metadata.
-        """
-        import mutagen
-        from mutagen import id3
-
-        if filetype == 'mp3':
-            try:
-                audio = id3.ID3(filepath)
-                return [t.data for t in audio.getall('PRIV')
-                        if t.owner == 'wolnelektury.pl?flac_sha1'][0]
-            except:
-                return None
-        elif filetype == 'ogg':
-            try:
-                audio = mutagen.File(filepath)
-                return audio.get('flac_sha1', [None])[0]
-            except:
-                return None
-        else:
-            return None