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

diff --git a/src/lesmianator/models.py b/src/lesmianator/models.py
index 0595810..28dbdba 100644 (file)
--- a/src/lesmianator/models.py
+++ b/src/lesmianator/models.py
@@ -1,7 +1,7 @@
-# -*- 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 functools import reduce
 import pickle
 from pickle import PickleError
 from datetime import datetime
@@ -10,28 +10,27 @@ from random import randint
 from django.core.files.base import ContentFile
 from django.db import models
 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 gettext_lazy as _
 from django.contrib.auth.models import User
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.conf import settings
+from django.urls import reverse
 
-from jsonfield import JSONField
 from catalogue.models import Book, Tag
 
 
 class Poem(models.Model):
     slug = models.SlugField(_('slug'), max_length=120, db_index=True)
     text = models.TextField(_('text'))
-    created_by = models.ForeignKey(User, null=True)
-    created_from = JSONField(_('extra information'), null=True, blank=True)
+    created_by = models.ForeignKey(User, models.SET_NULL, null=True)
+    created_from = models.TextField(_('extra information'), null=True, blank=True)
     created_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False)
     seen_at = models.DateTimeField(_('last view date'), auto_now_add=True, editable=False)
     view_count = models.IntegerField(_('view count'), default=1)
 
     try:
-        f = open(settings.LESMIANATOR_PICKLE)
+        f = open(settings.LESMIANATOR_PICKLE, 'rb')
         global_dictionary = pickle.load(f)
         f.close()
     except (IOError, AttributeError, PickleError):
@@ -48,7 +47,7 @@ class Poem(models.Model):
     @staticmethod
     def choose_letter(word, continuations):
         if word not in continuations:
-            return u'\n'
+            return '\n'
 
         choices = sum((continuations[word][letter]
                        for letter in continuations[word]))
@@ -67,7 +66,7 @@ class Poem(models.Model):
             return ''
 
         letters = []
-        word = u''
+        word = ''
 
         finished_stanza_verses = 0
         current_stanza_verses = 0
@@ -83,7 +82,7 @@ class Poem(models.Model):
             word = word[-length + 1:] + letter
             char_count += 1
 
-            if letter == u'\n':
+            if letter == '\n':
                 if verse_start:
                     finished_stanza_verses += current_stanza_verses
                     current_stanza_verses = 0
@@ -101,7 +100,7 @@ class Poem(models.Model):
 
 class Continuations(models.Model):
     pickle = models.FileField(_('Continuations file'), upload_to='lesmianator')
-    content_type = models.ForeignKey(ContentType)
+    content_type = models.ForeignKey(ContentType, models.CASCADE)
     object_id = models.PositiveIntegerField()
     content_object = GenericForeignKey('content_type', 'object_id')
 
@@ -155,7 +154,7 @@ class Continuations(models.Model):
             obj = cls.objects.get(content_type=object_type, object_id=sth.id)
             if not obj.pickle:
                 raise cls.DoesNotExist
-            f = open(obj.pickle.path)
+            f = open(obj.pickle.path, 'rb')
             keys, conts = pickle.load(f)
             f.close()
             if set(keys) != should_keys: