some fixes
[wolnelektury.git] / apps / catalogue / models.py
index 72cbeda..3704b16 100644 (file)
@@ -27,7 +27,6 @@ from catalogue.utils import create_zip, split_tags, truncate_html_words
 from catalogue import tasks
 import re
 
 from catalogue import tasks
 import re
 
-import search
 
 # Those are hard-coded here so that makemessages sees them.
 TAG_CATEGORIES = (
 
 # Those are hard-coded here so that makemessages sees them.
 TAG_CATEGORIES = (
@@ -54,6 +53,10 @@ class TagSubcategoryManager(models.Manager):
 
 
 class Tag(TagBase):
 
 
 class Tag(TagBase):
+    """A tag attachable to books and fragments (and possibly anything).
+    
+    Used to represent searchable metadata (authors, epochs, genres, kinds),
+    fragment themes (motifs) and some book hierarchy related kludges."""
     name = models.CharField(_('name'), max_length=50, db_index=True)
     slug = models.SlugField(_('slug'), max_length=120, db_index=True)
     sort_key = models.CharField(_('sort key'), max_length=120, db_index=True)
     name = models.CharField(_('name'), max_length=50, db_index=True)
     slug = models.SlugField(_('slug'), max_length=120, db_index=True)
     sort_key = models.CharField(_('sort key'), max_length=120, db_index=True)
@@ -213,6 +216,7 @@ def book_upload_path(ext=None, maxlen=100):
 
 
 class BookMedia(models.Model):
 
 
 class BookMedia(models.Model):
+    """Represents media attached to a book."""
     FileFormat = namedtuple("FileFormat", "name ext")
     formats = SortedDict([
         ('mp3', FileFormat(name='MP3', ext='mp3')),
     FileFormat = namedtuple("FileFormat", "name ext")
     formats = SortedDict([
         ('mp3', FileFormat(name='MP3', ext='mp3')),
@@ -323,6 +327,7 @@ class BookMedia(models.Model):
 
 
 class Book(models.Model):
 
 
 class Book(models.Model):
+    """Represents a book imported from WL-XML."""
     title         = models.CharField(_('title'), max_length=120)
     sort_key = models.CharField(_('sort key'), max_length=120, db_index=True, editable=False)
     slug = models.SlugField(_('slug'), max_length=120, db_index=True,
     title         = models.CharField(_('title'), max_length=120)
     sort_key = models.CharField(_('sort key'), max_length=120, db_index=True, editable=False)
     slug = models.SlugField(_('slug'), max_length=120, db_index=True,
@@ -341,7 +346,7 @@ class Book(models.Model):
 
     cover = models.FileField(_('cover'), upload_to=book_upload_path('png'),
                 null=True, blank=True)
 
     cover = models.FileField(_('cover'), upload_to=book_upload_path('png'),
                 null=True, blank=True)
-    ebook_formats = ['pdf', 'epub', 'mobi', 'txt']
+    ebook_formats = ['pdf', 'epub', 'mobi', 'fb2', 'txt']
     formats = ebook_formats + ['html', 'xml']
 
     parent        = models.ForeignKey('self', blank=True, null=True, related_name='children')
     formats = ebook_formats + ['html', 'xml']
 
     parent        = models.ForeignKey('self', blank=True, null=True, related_name='children')
@@ -477,6 +482,7 @@ class Book(models.Model):
     def build_html(self):
         from django.core.files.base import ContentFile
         from slughifi import slughifi
     def build_html(self):
         from django.core.files.base import ContentFile
         from slughifi import slughifi
+        from sortify import sortify
         from librarian import html
 
         meta_tags = list(self.tags.filter(
         from librarian import html
 
         meta_tags = list(self.tags.filter(
@@ -511,7 +517,7 @@ class Book(models.Model):
                     tag, created = Tag.objects.get_or_create(slug=slughifi(theme_name), category='theme')
                     if created:
                         tag.name = theme_name
                     tag, created = Tag.objects.get_or_create(slug=slughifi(theme_name), category='theme')
                     if created:
                         tag.name = theme_name
-                        tag.sort_key = theme_name.lower()
+                        tag.sort_key = sortify(theme_name.lower())
                         tag.save()
                     themes.append(tag)
                 if not themes:
                         tag.save()
                     themes.append(tag)
                 if not themes:
@@ -533,12 +539,19 @@ class Book(models.Model):
 
     # Thin wrappers for builder tasks
     def build_pdf(self, *args, **kwargs):
 
     # Thin wrappers for builder tasks
     def build_pdf(self, *args, **kwargs):
+        """(Re)builds PDF."""
         return tasks.build_pdf.delay(self.pk, *args, **kwargs)
     def build_epub(self, *args, **kwargs):
         return tasks.build_pdf.delay(self.pk, *args, **kwargs)
     def build_epub(self, *args, **kwargs):
+        """(Re)builds EPUB."""
         return tasks.build_epub.delay(self.pk, *args, **kwargs)
     def build_mobi(self, *args, **kwargs):
         return tasks.build_epub.delay(self.pk, *args, **kwargs)
     def build_mobi(self, *args, **kwargs):
+        """(Re)builds MOBI."""
         return tasks.build_mobi.delay(self.pk, *args, **kwargs)
         return tasks.build_mobi.delay(self.pk, *args, **kwargs)
+    def build_fb2(self, *args, **kwargs):
+        """(Re)build FB2"""
+        return tasks.build_fb2.delay(self.pk, *args, **kwargs)
     def build_txt(self, *args, **kwargs):
     def build_txt(self, *args, **kwargs):
+        """(Re)builds TXT."""
         return tasks.build_txt.delay(self.pk, *args, **kwargs)
 
     @staticmethod
         return tasks.build_txt.delay(self.pk, *args, **kwargs)
 
     @staticmethod
@@ -562,6 +575,7 @@ class Book(models.Model):
         return create_zip(paths, "%s_%s" % (self.slug, format_))
 
     def search_index(self, book_info=None, reuse_index=False, index_tags=True):
         return create_zip(paths, "%s_%s" % (self.slug, format_))
 
     def search_index(self, book_info=None, reuse_index=False, index_tags=True):
+        import search
         if reuse_index:
             idx = search.ReusableIndex()
         else:
         if reuse_index:
             idx = search.ReusableIndex()
         else:
@@ -593,7 +607,7 @@ class Book(models.Model):
 
     @classmethod
     def from_text_and_meta(cls, raw_file, book_info, overwrite=False,
 
     @classmethod
     def from_text_and_meta(cls, raw_file, book_info, overwrite=False,
-            build_epub=True, build_txt=True, build_pdf=True, build_mobi=True,
+            build_epub=True, build_txt=True, build_pdf=True, build_mobi=True, build_fb2=True,
             search_index=True, search_index_tags=True, search_index_reuse=False):
 
         # check for parts before we do anything
             search_index=True, search_index_tags=True, search_index_reuse=False):
 
         # check for parts before we do anything
@@ -663,6 +677,9 @@ class Book(models.Model):
         if not settings.NO_BUILD_MOBI and build_mobi:
             book.build_mobi()
 
         if not settings.NO_BUILD_MOBI and build_mobi:
             book.build_mobi()
 
+        if not settings.NO_BUILD_FB2 and build_fb2:
+            book.build_fb2()
+
         if not settings.NO_SEARCH_INDEX and search_index:
             book.search_index(index_tags=search_index_tags, reuse_index=search_index_reuse)
             #index_book.delay(book.id, book_info)
         if not settings.NO_SEARCH_INDEX and search_index:
             book.search_index(index_tags=search_index_tags, reuse_index=search_index_reuse)
             #index_book.delay(book.id, book_info)
@@ -803,7 +820,7 @@ class Book(models.Model):
 
     @classmethod
     def tagged_top_level(cls, tags):
 
     @classmethod
     def tagged_top_level(cls, tags):
-        """ Returns top-level books tagged with `tags'.
+        """ Returns top-level books tagged with `tags`.
 
         It only returns those books which don't have ancestors which are
         also tagged with those tags.
 
         It only returns those books which don't have ancestors which are
         also tagged with those tags.
@@ -885,7 +902,8 @@ class Book(models.Model):
 
 def _has_factory(ftype):
     has = lambda self: bool(getattr(self, "%s_file" % ftype))
 
 def _has_factory(ftype):
     has = lambda self: bool(getattr(self, "%s_file" % ftype))
-    has.short_description = t.upper()
+    has.short_description = ftype.upper()
+    has.__doc__ = None
     has.boolean = True
     has.__name__ = "has_%s_file" % ftype
     return has
     has.boolean = True
     has.__name__ = "has_%s_file" % ftype
     return has
@@ -902,6 +920,7 @@ for t in Book.formats:
 
 
 class Fragment(models.Model):
 
 
 class Fragment(models.Model):
+    """Represents a themed fragment of a book."""
     text = models.TextField()
     short_text = models.TextField(editable=False)
     anchor = models.CharField(max_length=120)
     text = models.TextField()
     short_text = models.TextField(editable=False)
     anchor = models.CharField(max_length=120)
@@ -1006,14 +1025,16 @@ def _post_save_handler(sender, instance, **kwargs):
 post_save.connect(_post_save_handler)
 
 
 post_save.connect(_post_save_handler)
 
 
-@django.dispatch.receiver(post_delete, sender=Book)
-def _remove_book_from_index_handler(sender, instance, **kwargs):
-    """ remove the book from search index, when it is deleted."""
-    search.JVM.attachCurrentThread()
-    idx = search.Index()
-    idx.open(timeout=10000)  # 10 seconds timeout.
-    try:
-        idx.remove_book(instance)
-        idx.index_tags()
-    finally:
-        idx.close()
+if not settings.NO_SEARCH_INDEX:
+    @django.dispatch.receiver(post_delete, sender=Book)
+    def _remove_book_from_index_handler(sender, instance, **kwargs):
+        """ remove the book from search index, when it is deleted."""
+        import search
+        search.JVM.attachCurrentThread()
+        idx = search.Index()
+        idx.open(timeout=10000)  # 10 seconds timeout.
+        try:
+            idx.remove_book(instance)
+            idx.index_tags()
+        finally:
+            idx.close()