Unused imports & whitespace

[wolnelektury.git] / apps / lesmianator / models.py

diff --git a/apps/lesmianator/models.py b/apps/lesmianator/models.py
index 1b53efd..83e8213 100644 (file)
--- a/apps/lesmianator/models.py
+++ b/apps/lesmianator/models.py
@@ -9,16 +9,15 @@ from StringIO import StringIO
 
 from django.core.files.base import ContentFile
 from django.db import models
 
 from django.core.files.base import ContentFile
 from django.db import models

-from django.db.models import permalink
+from django.utils.timezone import utc

 from django.utils.translation import ugettext_lazy as _
 from django.core.urlresolvers import reverse
 from django.utils.translation import ugettext_lazy as _
 from django.core.urlresolvers import reverse

-from django.db.models.signals import m2m_changed

 from django.contrib.auth.models import User
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes import generic
 from django.conf import settings
 
 from django.contrib.auth.models import User
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes import generic
 from django.conf import settings
 

-from catalogue.fields import JSONField
+from jsonfield import JSONField

 from catalogue.models import Book, Tag
 
 
 from catalogue.models import Book, Tag
 
 


@@ -40,7 +39,7 @@ class Poem(models.Model):
 
     def visit(self):
         self.view_count += 1
 
     def visit(self):
         self.view_count += 1

-        self.seen_at = datetime.now()
+        self.seen_at = datetime.utcnow().replace(tzinfo=utc)

         self.save()
 
     def __unicode__(self):
         self.save()
 
     def __unicode__(self):


@@ -137,20 +136,20 @@ class Continuations(models.Model):
             mydict[letter] += 1
             last_word = last_word[-length+1:] + letter
         # add children
             mydict[letter] += 1
             last_word = last_word[-length+1:] + letter
         # add children

-        return reduce(cls.join_conts, 
-                      (cls.get(child) for child in book.children.all()),
+        return reduce(cls.join_conts,
+                      (cls.get(child) for child in book.children.all().iterator()),

                       conts)
 
     @classmethod
     def for_set(cls, tag):
         # book contains its descendants, we don't want them twice
         books = Book.tagged.with_any((tag,))
                       conts)
 
     @classmethod
     def for_set(cls, tag):
         # book contains its descendants, we don't want them twice
         books = Book.tagged.with_any((tag,))

-        l_tags = Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in books])
-        descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags)]
+        l_tags = Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in books.iterator()])
+        descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags).iterator()]

         if descendants_keys:
             books = books.exclude(pk__in=descendants_keys)
 
         if descendants_keys:
             books = books.exclude(pk__in=descendants_keys)
 

-        cont_tabs = (cls.get(b) for b in books)
+        cont_tabs = (cls.get(b) for b in books.iterator())

         return reduce(cls.join_conts, cont_tabs)
 
     @classmethod
         return reduce(cls.join_conts, cont_tabs)
 
     @classmethod


@@ -158,7 +157,7 @@ class Continuations(models.Model):
         object_type = ContentType.objects.get_for_model(sth)
         should_keys = set([sth.id])
         if isinstance(sth, Tag):
         object_type = ContentType.objects.get_for_model(sth)
         should_keys = set([sth.id])
         if isinstance(sth, Tag):

-            should_keys = set(b.pk for b in Book.tagged.with_any((sth,)))
+            should_keys = set(b.pk for b in Book.tagged.with_any((sth,)).iterator())

         try:
             obj = cls.objects.get(content_type=object_type, object_id=sth.id)
             if not obj.pickle:
         try:
             obj = cls.objects.get(content_type=object_type, object_id=sth.id)
             if not obj.pickle: