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[wolnelektury.git] / apps / catalogue / fields.py

diff --git a/apps/catalogue/fields.py b/apps/catalogue/fields.py
index e2978e8..884ecef 100644 (file)
--- a/apps/catalogue/fields.py
+++ b/apps/catalogue/fields.py
@@ -33,6 +33,11 @@ class EbookField(models.FileField):
         super(EbookField, self).__init__(*args, **kwargs)
         self.format_name = format_name
 
         super(EbookField, self).__init__(*args, **kwargs)
         self.format_name = format_name
 

+    def deconstruct(self):
+        name, path, args, kwargs = super(EbookField, self).deconstruct()
+        args.insert(0, self.format_name)
+        return name, path, args, kwargs
+

     @property
     def builder(self):
         """Finds a celery task suitable for the format of the field."""
     @property
     def builder(self):
         """Finds a celery task suitable for the format of the field."""


@@ -44,7 +49,7 @@ class EbookField(models.FileField):
         def has(model_instance):
             return bool(getattr(model_instance, self.attname, None))
         has.__doc__ = None
         def has(model_instance):
             return bool(getattr(model_instance, self.attname, None))
         has.__doc__ = None

-        has.__name__ = "has_%s" % self.attname
+        has.__name__ = str("has_%s" % self.attname)

         has.short_description = self.name
         has.boolean = True
         setattr(cls, 'has_%s' % self.attname, has)
         has.short_description = self.name
         has.boolean = True
         setattr(cls, 'has_%s' % self.attname, has)


@@ -134,34 +139,28 @@ class BuildHtml(BuildEbook):
 
         book = fieldfile.instance
 
 
         book = fieldfile.instance
 

-        meta_tags = list(book.tags.filter(
-            category__in=('author', 'epoch', 'genre', 'kind')))
-        book_tag = book.book_tag()
-

         html_output = self.transform(
                         book.wldocument(parse_dublincore=False),
                         fieldfile)
         html_output = self.transform(
                         book.wldocument(parse_dublincore=False),
                         fieldfile)

-        lang = book.language
-        lang = LANGUAGES_3TO2.get(lang, lang)
-        if lang not in [ln[0] for ln in settings.LANGUAGES]:
-            lang = None
+
+        # Delete old fragments, create from scratch if necessary.
+        book.fragments.all().delete()

 
         if html_output:
 
         if html_output:

+            meta_tags = list(book.tags.filter(
+                category__in=('author', 'epoch', 'genre', 'kind')))
+
+            lang = book.language
+            lang = LANGUAGES_3TO2.get(lang, lang)
+            if lang not in [ln[0] for ln in settings.LANGUAGES]:
+                lang = None
+

             fieldfile.save(None, ContentFile(html_output.get_string()),
                     save=False)
             type(book).objects.filter(pk=book.pk).update(**{
                 fieldfile.field.attname: fieldfile
             })
 
             fieldfile.save(None, ContentFile(html_output.get_string()),
                     save=False)
             type(book).objects.filter(pk=book.pk).update(**{
                 fieldfile.field.attname: fieldfile
             })
 

-            # get ancestor l-tags for adding to new fragments
-            ancestor_tags = []
-            p = book.parent
-            while p:
-                ancestor_tags.append(p.book_tag())
-                p = p.parent
-
-            # Delete old fragments and create them from scratch
-            book.fragments.all().delete()

             # Extract fragments
             closed_fragments, open_fragments = html.extract_fragments(fieldfile.path)
             for fragment in closed_fragments.values():
             # Extract fragments
             closed_fragments, open_fragments = html.extract_fragments(fieldfile.path)
             for fragment in closed_fragments.values():


@@ -200,15 +199,24 @@ class BuildHtml(BuildEbook):
                 short_text = truncate_html_words(text, 15)
                 if text == short_text:
                     short_text = ''
                 short_text = truncate_html_words(text, 15)
                 if text == short_text:
                     short_text = ''

-                new_fragment = Fragment.objects.create(anchor=fragment.id, 
+                new_fragment = Fragment.objects.create(anchor=fragment.id,

                         book=book, text=text, short_text=short_text)
 
                 new_fragment.save()
                         book=book, text=text, short_text=short_text)
 
                 new_fragment.save()

-                new_fragment.tags = set(meta_tags + themes + [book_tag] + ancestor_tags)
-            book.html_built.send(sender=book)
+                new_fragment.tags = set(meta_tags + themes)
+            book.html_built.send(sender=type(self), instance=book)

             return True
         return False
 
             return True
         return False
 

+@BuildEbook.register('cover_thumb')
+@task(ignore_result=True)
+class BuildCoverThumb(BuildEbook):
+    @classmethod
+    def transform(cls, wldoc, fieldfile):
+        from librarian.cover import WLCover
+        return WLCover(wldoc.book_info, height=193).output_file()
+
+

 
 class OverwritingFieldFile(FieldFile):
     """
 
 class OverwritingFieldFile(FieldFile):
     """


@@ -227,19 +235,3 @@ class OverwritingFieldFile(FieldFile):
 
 class OverwritingFileField(models.FileField):
     attr_class = OverwritingFieldFile
 
 class OverwritingFileField(models.FileField):
     attr_class = OverwritingFieldFile

-
-
-try:
-    # check for south
-    from south.modelsinspector import add_introspection_rules
-except ImportError:
-    pass
-else:
-    add_introspection_rules([
-        (
-            [EbookField],
-            [],
-            {'format_name': ('format_name', {})}
-        )
-    ], ["^catalogue\.fields\.EbookField"])
-    add_introspection_rules([], ["^catalogue\.fields\.OverwritingFileField"])