update librarian, new mobi

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

diff --git a/src/catalogue/models/bookmedia.py b/src/catalogue/models/bookmedia.py
index 1ef3fd7..e2fc343 100644 (file)
--- a/src/catalogue/models/bookmedia.py
+++ b/src/catalogue/models/bookmedia.py
@@ -1,4 +1,3 @@
-# -*- 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.
 #
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #


@@ -7,14 +6,21 @@ import json
 from collections import namedtuple
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 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
+from slugify import slugify
+from mutagen import MutagenError
+
+from catalogue.fields import OverwriteStorage

 
 
 def _file_upload_to(i, _n):
 
 
 def _file_upload_to(i, _n):

-    return 'book/%(ext)s/%(name)s.%(ext)s' % {
-            'ext': i.ext(), 'name': slughifi(i.name)}
+    name = i.book.slug
+    if i.index:
+        name += f'_{i.index:03d}'
+    if i.part_name:
+        name += f'_' + slugify(i.part_name)
+    ext = i.ext()
+    return f'book/{ext}/{name}.{ext}'
+

 
 class BookMedia(models.Model):
     """Represents media attached to a book."""
 
 class BookMedia(models.Model):
     """Represents media attached to a book."""


@@ -24,52 +30,71 @@ class BookMedia(models.Model):
         ('ogg', FileFormat(name='Ogg Vorbis', ext='ogg')),
         ('daisy', FileFormat(name='DAISY', ext='daisy.zip')),
     ])
         ('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()]
+    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)
 
     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)
+    part_name = models.CharField(_('part name'), default='', blank=True, max_length=512)
+    index = models.IntegerField(_('index'), default=0)
+    file = models.FileField(_('file'), max_length=600, upload_to=_file_upload_to, storage=OverwriteStorage())

     uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False, db_index=True)
     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')
+    project_description = models.CharField(max_length=2048, blank=True)
+    project_icon = models.CharField(max_length=2048, blank=True)
+    extra_info = models.TextField(_('extra information'), default='{}', editable=False)
+    book = models.ForeignKey('Book', models.CASCADE, related_name='media')

     source_sha1 = models.CharField(null=True, blank=True, max_length=40, editable=False)
 
     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])
+    def __str__(self):
+        return self.file.name.split("/")[-1]

 
     class Meta:
 
     class Meta:

-        ordering            = ('type', 'name')
-        verbose_name        = _('book media')
+        ordering = ('type', 'index')
+        verbose_name = _('book media')

         verbose_name_plural = _('book media')
         app_label = 'catalogue'
 
         verbose_name_plural = _('book media')
         app_label = 'catalogue'
 

-    def save(self, *args, **kwargs):
+    def get_extra_info_json(self):
+        return json.loads(self.extra_info or '{}')
+
+    def get_nice_filename(self):
+        parts_count = 1 + type(self).objects.filter(book=self.book, type=self.type).exclude(pk=self.pk).count()
+
+        name = self.book.slug
+        if parts_count > 0:
+            name += f'_{self.index:03d}'
+        if self.part_name:
+            name += f'_' + slugify(self.part_name)
+        ext = self.ext()
+        return f'{name}.{ext}'
+
+    def save(self, parts_count=None, *args, **kwargs):

         from catalogue.utils import ExistingFile, remove_zip
 
         from catalogue.utils import ExistingFile, remove_zip
 

+        if not parts_count:
+            parts_count = 1 + BookMedia.objects.filter(book=self.book, type=self.type).exclude(pk=self.pk).count()
+        if parts_count == 1:
+            self.name = self.book.pretty_title()
+        else:
+            no = ('%02d' if parts_count < 100 else '%03d') % self.index
+            self.name = '%s. %s' % (no, self.book.pretty_title())
+            if self.part_name:
+                self.name += ', ' + self.part_name
+

         try:
             old = BookMedia.objects.get(pk=self.pk)
         except BookMedia.DoesNotExist:
             old = None
         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)
 
         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))
 
         # 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 = self.get_extra_info_json()

         extra_info.update(self.read_meta())
         extra_info.update(self.read_meta())

-        self.extra_info = extra_info
+        self.extra_info = json.dumps(extra_info)

         self.source_sha1 = self.read_source_sha1(self.file.path, self.type)
         return super(BookMedia, self).save(*args, **kwargs)
 
         self.source_sha1 = self.read_source_sha1(self.file.path, self.type)
         return super(BookMedia, self).save(*args, **kwargs)
 


@@ -80,31 +105,35 @@ class BookMedia(models.Model):
         import mutagen
         from mutagen import id3
 
         import mutagen
         from mutagen import id3
 

-        artist_name = director_name = project = funded_by = ''
+        artist_name = director_name = project = funded_by = license = ''

         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'))
         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:
+                license = ', '.join(tag.url for tag in audio.getall('WCOP'))
+                project = ", ".join([
+                    t.data.decode('utf-8') for t in audio.getall('PRIV')
+                    if t.owner == 'wolnelektury.pl?project'])
+                funded_by = ", ".join([
+                    t.data.decode('utf-8') for t in audio.getall('PRIV')
+                    if t.owner == 'wolnelektury.pl?funded_by'])
+            except MutagenError:

                 pass
         elif self.type == 'ogg':
             try:
                 audio = mutagen.File(self.file.path)
                 artist_name = ', '.join(audio.get('artist', []))
                 director_name = ', '.join(audio.get('conductor', []))
                 pass
         elif self.type == 'ogg':
             try:
                 audio = mutagen.File(self.file.path)
                 artist_name = ', '.join(audio.get('artist', []))
                 director_name = ', '.join(audio.get('conductor', []))

+                license = ', '.join(audio.get('license', []))

                 project = ", ".join(audio.get('project', []))
                 funded_by = ", ".join(audio.get('funded_by', []))
                 project = ", ".join(audio.get('project', []))
                 funded_by = ", ".join(audio.get('funded_by', []))

-            except:
+            except (MutagenError, AttributeError):

                 pass
         else:
             return {}
         return {'artist_name': artist_name, 'director_name': director_name,
                 pass
         else:
             return {}
         return {'artist_name': artist_name, 'director_name': director_name,

-                'project': project, 'funded_by': funded_by}
+                'project': project, 'funded_by': funded_by, 'license': license}

 
     def ext(self):
         return self.formats[self.type].ext
 
     def ext(self):
         return self.formats[self.type].ext


@@ -120,15 +149,26 @@ class BookMedia(models.Model):
         if filetype == 'mp3':
             try:
                 audio = id3.ID3(filepath)
         if filetype == 'mp3':
             try:
                 audio = id3.ID3(filepath)

-                return [t.data for t in audio.getall('PRIV')
+                return [t.data.decode('utf-8') for t in audio.getall('PRIV')

                         if t.owner == 'wolnelektury.pl?flac_sha1'][0]
                         if t.owner == 'wolnelektury.pl?flac_sha1'][0]

-            except:
+            except (MutagenError, IndexError):

                 return None
         elif filetype == 'ogg':
             try:
                 audio = mutagen.File(filepath)
                 return audio.get('flac_sha1', [None])[0]
                 return None
         elif filetype == 'ogg':
             try:
                 audio = mutagen.File(filepath)
                 return audio.get('flac_sha1', [None])[0]

-            except:
+            except (MutagenError, AttributeError, IndexError):

                 return None
         else:
             return None
                 return None
         else:
             return None

+
+    @property
+    def director(self):
+        return self.get_extra_info_json().get('director_name', None)
+
+    @property
+    def artist(self):
+        return self.get_extra_info_json().get('artist_name', None)
+
+    def file_url(self):
+        return self.file.url