From: Jan Szejko <j-sz@o2.pl>
Date: Thu, 3 Mar 2016 15:31:37 +0000 (+0100)
Subject: code style
X-Git-Url: https://git.mdrn.pl/edumed.git/commitdiff_plain/6c9978c5bf8b1ef20871557c22b8b02df647d700?hp=bab36e3cf0951beb3e50b40c85c1f44fd0c2a0bc

code style
---

diff --git a/catalogue/admin.py b/catalogue/admin.py
index f79b375..8256d66 100755
--- a/catalogue/admin.py
+++ b/catalogue/admin.py
@@ -1,9 +1,12 @@
+# -*- coding: utf-8 -*-
 from django.contrib import admin
 from .models import Attachment, Section, Lesson, LessonStub
 
+
 class AttachmentInline(admin.TabularInline):
     model = Attachment
 
+
 class LessonAdmin(admin.ModelAdmin):
     inlines = [AttachmentInline]
     list_display = ['title', 'section', 'type']
@@ -12,4 +15,3 @@ class LessonAdmin(admin.ModelAdmin):
 admin.site.register(Section)
 admin.site.register(Lesson, LessonAdmin)
 admin.site.register(LessonStub)
-
diff --git a/catalogue/management/commands/importlessons.py b/catalogue/management/commands/importlessons.py
index 3bd05ad..e4c09e6 100755
--- a/catalogue/management/commands/importlessons.py
+++ b/catalogue/management/commands/importlessons.py
@@ -4,27 +4,26 @@
 #
 import os
 import sys
-import time
 from optparse import make_option
-from django.conf import settings
+
 from django.core.management.base import BaseCommand
 from django.core.management.color import color_style
-from django.core.files import File
+from django.db import transaction
 
-from librarian import IOFile
 from catalogue.models import Lesson, Section
+from librarian import IOFile
 
-#from search import Index
+# from search import Index
 
 
 class Command(BaseCommand):
     option_list = BaseCommand.option_list + (
         make_option('-q', '--quiet', action='store_false', dest='verbose', default=True,
-            help='Verbosity level; 0=minimal output, 1=normal output, 2=all output'),
+                    help='Verbosity level; 0=minimal output, 1=normal output, 2=all output'),
         make_option('-a', '--attachments', dest='attachments', metavar="PATH", default='materialy',
-            help='Attachments dir path.'),
+                    help='Attachments dir path.'),
         make_option('--ignore-incomplete', action='store_true', dest='ignore_incomplete', default=False,
-            help='Attachments dir path.'),
+                    help='Attachments dir path.'),
     )
     help = 'Imports lessons from the specified directories.'
     args = 'directory [directory ...]'
@@ -52,9 +51,8 @@ class Command(BaseCommand):
         read_dir(path)
         return files
 
-
+    @transaction.atomic
     def handle(self, *directories, **options):
-        from django.db import connection, transaction
 
         levels = set()
         self.style = color_style()
@@ -62,17 +60,6 @@ class Command(BaseCommand):
         verbose = options.get('verbose')
         self.curdir = os.path.abspath(os.curdir)
 
-
-        # Start transaction management.
-        # SQLite will choke on generating thumbnails 
-        use_transaction = not connection.features.autocommits_when_autocommit_is_off
-        if use_transaction:
-            transaction.commit_unless_managed()
-            transaction.enter_transaction_management()
-            transaction.managed(True)
-        else:
-            print 'WARNING: Not using transaction management.'
-
         files_imported = 0
         files_skipped = 0
 
@@ -105,8 +92,9 @@ class Command(BaseCommand):
 
                     # Import book files
                     try:
-                        lesson = self.import_book(file_path, options, attachments,
-                                    ignore_incomplete=file_name in ignore_incomplete)
+                        lesson = self.import_book(
+                            file_path, options, attachments,
+                            ignore_incomplete=file_name in ignore_incomplete)
                     except Section.IncompleteError, e:
                         if file_name not in postponed or postponed[file_name] < files_imported:
                             # Push it back into the queue, maybe the missing lessons will show up.
@@ -121,21 +109,18 @@ class Command(BaseCommand):
                         else:
                             # We're in a loop, nothing's being imported - some lesson is really missing.
                             raise e
-                    except BaseException, e:
+                    except BaseException:
                         import traceback
                         traceback.print_exc()
                         files_skipped += 1
                     else:
                         files_imported += 1
-                        if use_transaction:
-                            transaction.commit()
                         if hasattr(lesson, 'level'):
                             levels.add(lesson.level)
                     finally:
                         if verbose > 0:
                             print
 
-
         if levels:
             print "Rebuilding level packages:"
             for level in levels:
@@ -147,7 +132,3 @@ class Command(BaseCommand):
         print "Results: %d files imported, %d skipped, %d total." % (
             files_imported, files_skipped, files_imported + files_skipped)
         print
-
-        if use_transaction:
-            transaction.commit()
-            transaction.leave_transaction_management()
diff --git a/catalogue/management/commands/repackage.py b/catalogue/management/commands/repackage.py
index f3ae5e8..a2851f6 100755
--- a/catalogue/management/commands/repackage.py
+++ b/catalogue/management/commands/repackage.py
@@ -2,7 +2,6 @@
 # This file is part of EduMed, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
-from optparse import make_option
 from django.core.management.base import BaseCommand
 
 
diff --git a/catalogue/models.py b/catalogue/models.py
index 85f0af0..ee07651 100644
--- a/catalogue/models.py
+++ b/catalogue/models.py
@@ -14,11 +14,11 @@ class Section(models.Model):
     title = models.CharField(max_length=255, unique=True)
     slug = models.SlugField(max_length=255, unique=True)
     order = models.IntegerField()
-    xml_file = models.FileField(upload_to="catalogue/section/xml",
+    xml_file = models.FileField(
+        upload_to="catalogue/section/xml",
         null=True, blank=True, max_length=255,
         storage=bofh_storage)
-    image = models.ImageField(upload_to="catalogue/section/image",
-        null=True, blank=True)
+    image = models.ImageField(upload_to="catalogue/section/image", null=True, blank=True)
 
     pic = models.ImageField(upload_to="catalogue/section/pic", null=True, blank=True)
     pic_attribution = models.CharField(max_length=255, null=True, blank=True)
@@ -90,17 +90,23 @@ class Lesson(models.Model):
     curriculum_courses = models.ManyToManyField(CurriculumCourse, blank=True)
     description = models.TextField(null=True, blank=True)
 
-    xml_file = models.FileField(upload_to="catalogue/lesson/xml",
+    xml_file = models.FileField(
+        upload_to="catalogue/lesson/xml",
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    html_file = models.FileField(upload_to="catalogue/lesson/html",
+    html_file = models.FileField(
+        upload_to="catalogue/lesson/html",
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    package = models.FileField(upload_to="catalogue/lesson/pack",
+    package = models.FileField(
+        upload_to="catalogue/lesson/pack",
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    student_package = models.FileField(upload_to="catalogue/lesson/student_pack",
+    student_package = models.FileField(
+        upload_to="catalogue/lesson/student_pack",
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    pdf = models.FileField(upload_to="catalogue/lesson/pdf",
+    pdf = models.FileField(
+        upload_to="catalogue/lesson/pdf",
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    student_pdf = models.FileField(upload_to="catalogue/lesson/student_pdf",
+    student_pdf = models.FileField(
+        upload_to="catalogue/lesson/student_pdf",
         null=True, blank=True, max_length=255, storage=bofh_storage)
 
     class Meta:
@@ -111,7 +117,7 @@ class Lesson(models.Model):
 
     @models.permalink
     def get_absolute_url(self):
-        return ('catalogue_lesson', [self.slug])
+        return 'catalogue_lesson', [self.slug]
 
     @classmethod
     def publish(cls, infile, ignore_incomplete=False):
@@ -158,7 +164,8 @@ class Lesson(models.Model):
         courses = set()
         for identifier in wldoc.book_info.curriculum:
             identifier = (identifier or "").replace(' ', '')
-            if not identifier: continue
+            if not identifier:
+                continue
             try:
                 curr = Curriculum.objects.get(identifier__iexact=identifier)
             except Curriculum.DoesNotExist:
@@ -178,8 +185,8 @@ class Lesson(models.Model):
         for header in wldoc.edoc.findall('.//naglowek_rozdzial'):
             if (header.text or '').strip() == lookup:
                 from lxml import etree
-                self.description = etree.tostring(header.getnext(),
-                        method='text', encoding='unicode').strip()
+                self.description = etree.tostring(
+                    header.getnext(), method='text', encoding='unicode').strip()
                 self.save()
                 return
 
@@ -199,8 +206,7 @@ class Lesson(models.Model):
         from .publish import HtmlFormat
         wldoc = self.wldocument(infile)
         html = HtmlFormat(wldoc).build()
-        self.html_file.save("%s.html" % self.slug,
-            File(open(html.get_filename())))
+        self.html_file.save("%s.html" % self.slug, File(open(html.get_filename())))
 
     def build_pdf(self, student=False):
         from .publish import PdfFormat
@@ -209,23 +215,18 @@ class Lesson(models.Model):
         wldoc = self.wldocument()
         if student:
             pdf = PdfFormat(wldoc).build()
-            self.student_pdf.save("%s.pdf" % self.slug,
-                File(open(pdf.get_filename())))
+            self.student_pdf.save("%s.pdf" % self.slug, File(open(pdf.get_filename())))
         else:
             pdf = PdfFormat(wldoc, teacher=True).build()
-            self.pdf.save("%s.pdf" % self.slug,
-                File(open(pdf.get_filename())))
+            self.pdf.save("%s.pdf" % self.slug, File(open(pdf.get_filename())))
 
     def add_to_zip(self, zipf, student=False, prefix=''):
         pdf = self.student_pdf if student else self.pdf
         if pdf:
-            zipf.write(pdf.path, 
-                "%s%s%s.pdf" % (prefix, self.slug, "_student" if student else ""))
+            zipf.write(pdf.path, "%s%s%s.pdf" % (prefix, self.slug, "_student" if student else ""))
             for attachment in self.attachment_set.all():
-                zipf.write(attachment.file.path,
-                    u"%smaterialy/%s.%s" % (prefix, attachment.slug, attachment.ext))
-            zipf.write(self.xml_file.path,
-                "%spliki-zrodlowe/%s.xml" % (prefix, self.slug))
+                zipf.write(attachment.file.path, u"%smaterialy/%s.%s" % (prefix, attachment.slug, attachment.ext))
+            zipf.write(self.xml_file.path, "%spliki-zrodlowe/%s.xml" % (prefix, self.slug))
 
     def build_package(self, student=False):
         from StringIO import StringIO
@@ -241,17 +242,20 @@ class Lesson(models.Model):
             ContentFile(buff.getvalue()))
 
     def get_syntetic(self):
-        if self.section is None: return None
+        if self.section is None:
+            return None
         return self.section.syntetic_lesson(self.level)
 
     def get_other_level(self):
-        if self.section is None: return None
+        if self.section is None:
+            return None
         other_levels = self.section.lesson_set.exclude(level=self.level)
         if other_levels.exists():
             return other_levels[0].level
 
     def get_previous(self):
-        if self.section is None: return None
+        if self.section is None:
+            return None
         try:
             return self.section.lesson_set.filter(
                 type=self.type, level=self.level,
@@ -260,7 +264,8 @@ class Lesson(models.Model):
             return None
 
     def get_next(self):
-        if self.section is None: return None
+        if self.section is None:
+            return None
         try:
             return self.section.lesson_set.filter(
                 type=self.type, level=self.level,
@@ -288,10 +293,8 @@ class Attachment(models.Model):
 
 class Part(models.Model):
     lesson = models.ForeignKey(Lesson)
-    pdf = models.FileField(upload_to="catalogue/part/pdf",
-        null=True, blank=True)
-    student_pdf = models.FileField(upload_to="catalogue/part/student_pdf",
-        null=True, blank=True)
+    pdf = models.FileField(upload_to="catalogue/part/pdf", null=True, blank=True)
+    student_pdf = models.FileField(upload_to="catalogue/part/student_pdf", null=True, blank=True)
 
 
 class LessonStub(models.Model):
diff --git a/catalogue/publish.py b/catalogue/publish.py
index cca25de..89c76a1 100755
--- a/catalogue/publish.py
+++ b/catalogue/publish.py
@@ -1,5 +1,4 @@
 # -*- coding: utf-8
-from django.core.files.base import ContentFile
 from django.core.files import File
 from django.core.urlresolvers import reverse
 from librarian import DocProvider, IOFile
@@ -12,15 +11,14 @@ from fnpdjango.utils.text.slughifi import slughifi
 # TODO: Using sorl.thumbnail for now,
 # but this should be done in Librarian,
 # directly using convert or PIL as a fallback.
-def get_image(src_img_path, width=None,
-        default_width=1600, formats=('PNG', 'JPEG', 'GIF')):
+def get_image(src_img_path, width=None, default_width=1600, formats=('PNG', 'JPEG', 'GIF')):
     """ Returns an object with `url` and `storage` attributes,
         or None if using the original image is OK.
     """
-    
+
     from PIL import Image
     from sorl.thumbnail import get_thumbnail
-    
+
     # Does it need converting?
     # Yes, if width is given explicitly.
     convert = width is not None
@@ -81,8 +79,7 @@ class HtmlFormat(EduModuleFormat):
             src_img = self.find_attachment(slug, fmt).file
         except self.MaterialNotFound:
             return ''
-        img = get_image(src_img.path, width,
-            self.DEFAULT_IMAGE_WIDTH, self.IMAGE_FORMATS)
+        img = get_image(src_img.path, width, self.DEFAULT_IMAGE_WIDTH, self.IMAGE_FORMATS)
         return (img or src_img).url
 
     def text_to_anchor(self, text):
@@ -108,10 +105,10 @@ class PdfFormat(EduModulePDFFormat):
 
     def get_image(self, name):
         src_img = super(PdfFormat, self).get_image(name)
-        img = get_image(src_img.get_filename(),
-                default_width=self.DEFAULT_IMAGE_WIDTH,
-                formats=self.IMAGE_FORMATS
-            )
+        img = get_image(
+            src_img.get_filename(),
+            default_width=self.DEFAULT_IMAGE_WIDTH,
+            formats=self.IMAGE_FORMATS)
         if img:
             return IOFile.from_filename(img.storage.path(img))
         else:
diff --git a/catalogue/search_indexes.py b/catalogue/search_indexes.py
index 3179efb..035ce98 100755
--- a/catalogue/search_indexes.py
+++ b/catalogue/search_indexes.py
@@ -1,4 +1,4 @@
-import datetime
+# -*- coding: utf-8 -*-
 from haystack import indexes
 from .models import Lesson
 
diff --git a/catalogue/templatetags/catalogue_tags.py b/catalogue/templatetags/catalogue_tags.py
index eecf9dc..b74224d 100755
--- a/catalogue/templatetags/catalogue_tags.py
+++ b/catalogue/templatetags/catalogue_tags.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from collections import defaultdict
 from django import template
 from django.utils.datastructures import SortedDict
@@ -14,24 +15,21 @@ def catalogue_carousel():
         "object_list": Section.objects.all()
     }
 
+
 @register.inclusion_tag("catalogue/snippets/levels_main.html")
 def catalogue_levels_main():
     object_list = Level.objects.exclude(lesson=None)
     c = object_list.count()
     return {
         'object_list': object_list,
-        #'section_width': (700 - 20 * (c - 1)) / c,
+        # 'section_width': (700 - 20 * (c - 1)) / c,
         'section_width': (700 - 20 * 2) / 3
     }
 
 
 @register.inclusion_tag("catalogue/snippets/level_box.html")
 def level_box(level):
-    lessons = dict(
-        synthetic = [],
-        course = SortedDict(),
-        project = [],
-    )
+    lessons = {'synthetic': [], 'course': SortedDict(), 'project': []}
     by_course = defaultdict(lambda: defaultdict(list))
 
     lesson_lists = [alist for alist in [
@@ -49,7 +47,8 @@ def level_box(level):
             if lesson.section not in lessons['course']:
                 lessons['course'][lesson.section] = []
             lessons['course'][lesson.section].append(lesson)
-        elif lesson.type.startswith('added'): continue
+        elif lesson.type.startswith('added'):
+            continue
         else:
             lessons[lesson.type].append(lesson)
 
@@ -57,8 +56,8 @@ def level_box(level):
             for course in lesson.curriculum_courses.all():
                 by_course[course][lesson.type].append(lesson)
 
-    courses = [(course, by_course[course]) for course in
-        CurriculumCourse.objects.filter(lesson__level=level).distinct()]
+    courses = [(course, by_course[course])
+               for course in CurriculumCourse.objects.filter(lesson__level=level).distinct()]
 
     added = []
     if level.slug == 'liceum':
@@ -67,37 +66,35 @@ def level_box(level):
             'title': u'Edukacja filmowa',
             'lessons': [
                 Lesson.objects.get(slug=s) for s in [
-'film-co-to-wlasciwie-jest',
-'scenariusz-scenopis-i-srodki-realizacyjne',
-'kompozycja-obrazu-filmowego',
-'praca-kamery-kadr-kat',
-'montaz-materialu-filmowego',
-'swiatlo-i-dzwiek-w-filmie',
-'scenografia-charakteryzacja-kostiumy-i-aktorzy',
-'narracja-w-filmie-tekst-i-fabula',
+                    'film-co-to-wlasciwie-jest',
+                    'scenariusz-scenopis-i-srodki-realizacyjne',
+                    'kompozycja-obrazu-filmowego',
+                    'praca-kamery-kadr-kat',
+                    'montaz-materialu-filmowego',
+                    'swiatlo-i-dzwiek-w-filmie',
+                    'scenografia-charakteryzacja-kostiumy-i-aktorzy',
+                    'narracja-w-filmie-tekst-i-fabula',
                 ]
             ],
-            })
+        })
         added.append({
             'slug': 'varsaviana',
             'title': u'Edukacja varsavianistyczna',
             'lessons': [
-                Lesson.objects.get(slug=s) for s in
-'''
-czego-prus-w-lalce-o-zydach-nie-powiedzial
-jak-zmienila-sie-warszawa-o-dworcu-dawniej-i-dzis
-o-gwarze-praskiej
-poznaj-i-pokaz-prage
-praga-trzech-religii
-sladami-zydow-w-warszawie
-tajemnice-palacu-saskiego
-warszawa-przedwojenne-miasto-neonow
-warszawski-barok
-ziemianska-jako-soczewka-swiata-lat-miedzywojennych
-'''.strip().split()
+                Lesson.objects.get(slug=s) for s in [
+                    'czego-prus-w-lalce-o-zydach-nie-powiedzial',
+                    'jak-zmienila-sie-warszawa-o-dworcu-dawniej-i-dzis',
+                    'o-gwarze-praskiej',
+                    'poznaj-i-pokaz-prage',
+                    'praga-trzech-religii',
+                    'sladami-zydow-w-warszawie',
+                    'tajemnice-palacu-saskiego',
+                    'warszawa-przedwojenne-miasto-neonow',
+                    'warszawski-barok',
+                    'ziemianska-jako-soczewka-swiata-lat-miedzywojennych',
+                ]
             ],
-            })
-
+        })
 
     return {
         "level": level,
@@ -106,6 +103,7 @@ ziemianska-jako-soczewka-swiata-lat-miedzywojennych
         "added": added,
     }
 
+
 @register.inclusion_tag("catalogue/snippets/lesson_nav.html")
 def lesson_nav(lesson):
     if lesson.type == 'course':
@@ -118,14 +116,14 @@ def lesson_nav(lesson):
         root = None
         siblings = [
                 Lesson.objects.get(slug=s) for s in [
-'film-co-to-wlasciwie-jest',
-'scenariusz-scenopis-i-srodki-realizacyjne',
-'kompozycja-obrazu-filmowego',
-'praca-kamery-kadr-kat',
-'montaz-materialu-filmowego',
-'swiatlo-i-dzwiek-w-filmie',
-'scenografia-charakteryzacja-kostiumy-i-aktorzy',
-'narracja-w-filmie-tekst-i-fabula',
+                    'film-co-to-wlasciwie-jest',
+                    'scenariusz-scenopis-i-srodki-realizacyjne',
+                    'kompozycja-obrazu-filmowego',
+                    'praca-kamery-kadr-kat',
+                    'montaz-materialu-filmowego',
+                    'swiatlo-i-dzwiek-w-filmie',
+                    'scenografia-charakteryzacja-kostiumy-i-aktorzy',
+                    'narracja-w-filmie-tekst-i-fabula',
                 ]
             ]
     else:
@@ -137,6 +135,7 @@ def lesson_nav(lesson):
         "siblings": siblings,
     }
 
+
 @register.inclusion_tag("catalogue/snippets/lesson_link.html")
 def lesson_link(uri):
     try:
@@ -144,6 +143,7 @@ def lesson_link(uri):
     except Lesson.DoesNotExist:
         return {}
 
+
 @register.filter
 def person_list(persons):
     return u", ".join(Person.from_text(p).readable() for p in persons)
@@ -152,6 +152,8 @@ def person_list(persons):
 # FIXME: Move to fnpdjango
 import feedparser
 import datetime
+
+
 @register.inclusion_tag('catalogue/latest_blog_posts.html')
 def latest_blog_posts(feed_url, posts_to_show=5):
     try:
@@ -159,7 +161,7 @@ def latest_blog_posts(feed_url, posts_to_show=5):
         posts = []
         for i in range(posts_to_show):
             pub_date = feed['entries'][i].updated_parsed
-            published = datetime.date(pub_date[0], pub_date[1], pub_date[2] )
+            published = datetime.date(pub_date[0], pub_date[1], pub_date[2])
             posts.append({
                 'title': feed['entries'][i].title,
                 'summary': feed['entries'][i].summary,
diff --git a/catalogue/tests.py b/catalogue/tests.py
index 501deb7..b967c44 100644
--- a/catalogue/tests.py
+++ b/catalogue/tests.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 """
 This file demonstrates writing tests using the unittest module. These will pass
 when you run "manage.py test".
diff --git a/catalogue/urls.py b/catalogue/urls.py
index 3923f61..f2a8b08 100755
--- a/catalogue/urls.py
+++ b/catalogue/urls.py
@@ -1,7 +1,9 @@
-from django.conf.urls import patterns, include, url
+# -*- coding: utf-8 -*-
+from django.conf.urls import patterns, url
 from .views import LessonListView, LessonView
 
-urlpatterns = patterns('',
+urlpatterns = patterns(
+    '',
     url(r'^$',
         LessonListView.as_view(),
         name="catalogue_lessons"),
diff --git a/catalogue/views.py b/catalogue/views.py
index 0ce7454..4f9d78c 100644
--- a/catalogue/views.py
+++ b/catalogue/views.py
@@ -1,9 +1,9 @@
-import os.path
-from django.conf import settings
+# -*- coding: utf-8 -*-
 from django.views.generic import DetailView, ListView
-from .models import Lesson, Section
+
 from curriculum.models import Level
 from publishers.models import Publisher
+from .models import Lesson
 
 
 class LessonListView(ListView):
@@ -30,6 +30,6 @@ class LessonView(DetailView):
         try:
             context['publisher'] = Publisher.objects.get(
                 name=context['object'].dc.get('publisher', '').strip())
-        except:
+        except (Publisher.DoesNotExist, Publisher.MultipleObjectsReturned):
             pass
         return context
diff --git a/chunks/admin.py b/chunks/admin.py
index 614e4e8..5bdbddc 100644
--- a/chunks/admin.py
+++ b/chunks/admin.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from django.contrib import admin
 
 from chunks.models import Chunk, Attachment
@@ -14,4 +15,4 @@ class AttachmentAdmin(admin.ModelAdmin):
     list_display = ('key',)
     search_fields = ('key',)
 
-admin.site.register(Attachment, AttachmentAdmin)
\ No newline at end of file
+admin.site.register(Attachment, AttachmentAdmin)
diff --git a/chunks/models.py b/chunks/models.py
index ef244eb..5cd007d 100644
--- a/chunks/models.py
+++ b/chunks/models.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from django.core.cache import cache
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
@@ -8,7 +9,8 @@ class Chunk(models.Model):
     A Chunk is a piece of content associated with a unique key that can be inserted into
     any template with the use of a special template tag.
     """
-    key = models.CharField(_('key'), help_text=_('A unique name for this chunk of content'), primary_key=True, max_length=255)
+    key = models.CharField(
+        _('key'), help_text=_('A unique name for this chunk of content'), primary_key=True, max_length=255)
     description = models.CharField(_('description'), blank=True, max_length=255)
     content = models.TextField(_('content'), blank=True)
 
@@ -39,4 +41,3 @@ class Attachment(models.Model):
 
     def __unicode__(self):
         return self.key
-
diff --git a/chunks/templatetags/chunks.py b/chunks/templatetags/chunks.py
index fd24b02..968d284 100644
--- a/chunks/templatetags/chunks.py
+++ b/chunks/templatetags/chunks.py
@@ -1,5 +1,5 @@
+# -*- coding: utf-8 -*-
 from django import template
-from django.db import models
 from django.core.cache import cache
 from ..models import Chunk, Attachment
 
@@ -34,5 +34,3 @@ def attachment(key, cache_time=0):
         return c.attachment.url
     except Attachment.DoesNotExist:
         return ''
-
-
diff --git a/comment/admin.py b/comment/admin.py
index 8b3cbd5..7c9ce9a 100644
--- a/comment/admin.py
+++ b/comment/admin.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from django.contrib import admin
 
 from .models import CommentDocument
diff --git a/comment/models.py b/comment/models.py
index 4cbabfa..38c43d1 100644
--- a/comment/models.py
+++ b/comment/models.py
@@ -1,13 +1,14 @@
+# -*- coding: utf-8 -*-
 from django.db import models
 from django.core.urlresolvers import reverse
 
 
 class CommentDocument(models.Model):
-    name = models.CharField(max_length = 255, unique = True)
-    slug = models.SlugField(max_length = 255, unique = True)
-    comment_id = models.CharField(max_length = 255, unique = True)
+    name = models.CharField(max_length=255, unique=True)
+    slug = models.SlugField(max_length=255, unique=True)
+    comment_id = models.CharField(max_length=255, unique=True)
     order = models.IntegerField()
-    language_code = models.CharField(max_length = 2, default = 'pl')
+    language_code = models.CharField(max_length=2, default='pl')
 
     class Meta:
         ordering = ['order']
@@ -16,4 +17,4 @@ class CommentDocument(models.Model):
         return self.name
 
     def get_absolute_url(self):
-        return reverse('comment_document', kwargs = dict(slug = self.slug))
+        return reverse('comment_document', kwargs={'slug': self.slug})
diff --git a/comment/urls.py b/comment/urls.py
index fcc7d99..ef48089 100644
--- a/comment/urls.py
+++ b/comment/urls.py
@@ -1,9 +1,11 @@
-from django.conf.urls import patterns, include, url
+# -*- coding: utf-8 -*-
+from django.conf.urls import patterns, url
 
 from .views import CommentDocumentList, CommentDocument
 
 
-urlpatterns = patterns('',
-    url('^$', CommentDocumentList.as_view(), name = 'comment_document_index'),
-    url('^(?P<slug>[^/]+)/$', CommentDocument.as_view(), name = 'comment_document')
-)
\ No newline at end of file
+urlpatterns = patterns(
+    '',
+    url('^$', CommentDocumentList.as_view(), name='comment_document_index'),
+    url('^(?P<slug>[^/]+)/$', CommentDocument.as_view(), name='comment_document')
+)
diff --git a/comment/views.py b/comment/views.py
index 1471029..c7bd9fb 100644
--- a/comment/views.py
+++ b/comment/views.py
@@ -1,26 +1,27 @@
+# -*- coding: utf-8 -*-
 from django.views.generic import ListView, DetailView
 from django.conf import settings
 from django.utils.translation import get_language
 
 from django.core.urlresolvers import reverse
 
-from .models import CommentDocument
+from .models import CommentDocument as CommentDocumentModel
 
 
 class CommentDocumentList(ListView):
     model = CommentDocument
 
-    def get_queryset(self, **kwargs):
-        return super(CommentDocumentList, self).get_queryset(**kwargs).filter(language_code = get_language())
+    def get_queryset(self):
+        return super(CommentDocumentList, self).get_queryset().filter(language_code=get_language())
 
     def get_context_data(self, **kwargs):
         context = super(CommentDocumentList, self).get_context_data(**kwargs)
-        context['form_href'] = reverse('contact_form', kwargs = dict(form_tag = 'mil'))
+        context['form_href'] = reverse('contact_form', kwargs={'form_tag': 'mil'})
         return context
 
 
 class CommentDocument(DetailView):
-    model = CommentDocument
+    model = CommentDocumentModel
 
     def get_context_data(self, **kwargs):
         context = super(CommentDocument, self).get_context_data(**kwargs)
diff --git a/contact/__init__.py b/contact/__init__.py
index 0f043ed..3bce2e3 100644
--- a/contact/__init__.py
+++ b/contact/__init__.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 """
 Generic app for creating contact forms.
 
diff --git a/contact/admin.py b/contact/admin.py
index 641770e..bb43881 100644
--- a/contact/admin.py
+++ b/contact/admin.py
@@ -1,9 +1,8 @@
+# -*- coding: utf-8 -*-
 from django.contrib import admin
-from django.forms import ModelForm
 from .models import Contact
 from django.utils.translation import ugettext as _
 from .forms import contact_forms, admin_list_width
-from django.template import Template
 from django.utils.safestring import mark_safe
 from django.conf.urls import patterns, url
 from django.http import HttpResponse, Http404
@@ -15,7 +14,7 @@ class ContactAdminMeta(admin.ModelAdmin.__class__):
     def __getattr__(cls, name):
         if name.startswith('admin_list_'):
             return lambda self: ""
-        raise AttributeError, name
+        raise AttributeError(name)
 
 
 class ContactAdmin(admin.ModelAdmin):
@@ -27,10 +26,11 @@ class ContactAdmin(admin.ModelAdmin):
     readonly_fields = ['form_tag', 'created_at', 'contact', 'ip']
     list_filter = ['form_tag']
 
-    def admin_list(self, obj, nr):
+    @staticmethod
+    def admin_list(obj, nr):
         try:
             field_name = contact_forms[obj.form_tag].admin_list[nr]
-        except BaseException, e:
+        except BaseException:
             return ''
         else:
             return Contact.pretty_print(obj.body.get(field_name, ''), for_html=True)
@@ -39,9 +39,9 @@ class ContactAdmin(admin.ModelAdmin):
         if name.startswith('admin_list_'):
             nr = int(name[len('admin_list_'):])
             return lambda obj: self.admin_list(obj, nr)
-        raise AttributeError, name
+        raise AttributeError(name)
 
-    def change_view(self, request, object_id, extra_context=None):
+    def change_view(self, request, object_id, from_url='', extra_context=None):
         if object_id:
             try:
                 instance = Contact.objects.get(pk=object_id)
@@ -91,21 +91,25 @@ class ContactAdmin(admin.ModelAdmin):
                     f = (lambda v: lambda self: v)(link)
                     f.short_description = orig_fields[k].label if k in orig_fields else _(k)
                     setattr(self, "body__%s" % k, f)
-        return super(ContactAdmin, self).change_view(request, object_id,
-            extra_context=extra_context)
+        return super(ContactAdmin, self).change_view(
+            request, object_id, from_url=from_url, extra_context=extra_context)
 
     def changelist_view(self, request, extra_context=None):
         context = dict()
         if 'form_tag' in request.GET:
             form = contact_forms.get(request.GET['form_tag'])
-            context['extract_types'] = [dict(slug = 'all', label = _('all'))] + [dict(slug = 'contacts', label = _('contacts'))]
+            context['extract_types'] = [
+                {'slug': 'all', 'label': _('all')},
+                {'slug': 'contacts', 'label': _('contacts')}]
             context['extract_types'] += [type for type in getattr(form, 'extract_types', [])]
-        return super(ContactAdmin, self).changelist_view(request, extra_context = context)
+        return super(ContactAdmin, self).changelist_view(request, extra_context=context)
 
     def get_urls(self):
-        urls = super(ContactAdmin, self).get_urls()
-        return patterns('',
-            url(r'^extract/(?P<form_tag>[\w-]+)/(?P<extract_type_slug>[\w-]+)/$', self.admin_site.admin_view(extract_view), name='contact_extract')
+        # urls = super(ContactAdmin, self).get_urls()
+        return patterns(
+            '',
+            url(r'^extract/(?P<form_tag>[\w-]+)/(?P<extract_type_slug>[\w-]+)/$',
+                self.admin_site.admin_view(extract_view), name='contact_extract')
         ) + super(ContactAdmin, self).get_urls()
 
 
@@ -116,13 +120,13 @@ def extract_view(request, form_tag, extract_type_slug):
     if form is None and extract_type_slug not in ('contacts', 'all'):
         raise Http404
 
-    q = Contact.objects.filter(form_tag = form_tag)
+    q = Contact.objects.filter(form_tag=form_tag)
     at_year = request.GET.get('created_at__year')
     at_month = request.GET.get('created_at__month')
     if at_year:
-        q = q.filter(created_at__year = at_year)
+        q = q.filter(created_at__year=at_year)
         if at_month:
-            q = q.filter(created_at__month = at_month)
+            q = q.filter(created_at__month=at_month)
 
     # Segregate contacts by body key sets
     for contact in q.all():
@@ -141,7 +145,7 @@ def extract_view(request, form_tag, extract_type_slug):
             if extract_type_slug == 'contacts':
                 records = [dict(contact=contact.contact)]
             elif extract_type_slug == 'all':
-                records = [dict(contact = contact.contact, **contact.body)]
+                records = [dict(contact=contact.contact, **contact.body)]
             else:
                 records = form.get_extract_records(keys, contact, extract_type_slug)
 
@@ -153,7 +157,7 @@ def extract_view(request, form_tag, extract_type_slug):
                 toret += u','.join([record[key] for key in keys]) + '\n'
         toret += '\n\n'
 
-    response = HttpResponse(toret, content_type = 'text/csv')
+    response = HttpResponse(toret, content_type='text/csv')
     response['Content-Disposition'] = 'attachment; filename="kontakt.csv"'
     return response
 
diff --git a/contact/forms.py b/contact/forms.py
index aab883d..2cea310 100644
--- a/contact/forms.py
+++ b/contact/forms.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from django.contrib.sites.models import Site
 from django.core.exceptions import ValidationError
 from django.core.files.uploadedfile import UploadedFile
@@ -11,10 +12,12 @@ from django.utils.translation import ugettext_lazy as _
 
 contact_forms = {}
 admin_list_width = 0
+
+
 class ContactFormMeta(forms.Form.__class__):
-    def __new__(cls, *args, **kwargs):
+    def __new__(cls, name, bases, attrs):
         global admin_list_width
-        model = super(ContactFormMeta, cls).__new__(cls, *args, **kwargs)
+        model = super(ContactFormMeta, cls).__new__(cls, name, bases, attrs)
         assert model.form_tag not in contact_forms, 'Duplicate form_tag.'
         if model.admin_list:
             admin_list_width = max(admin_list_width, len(model.admin_list))
@@ -50,10 +53,11 @@ class ContactForm(forms.Form):
                 if sub_body:
                     body.setdefault(f.form_tag, []).append(sub_body)
                 
-        contact = Contact.objects.create(body=body,
-                    ip=request.META['REMOTE_ADDR'],
-                    contact=self.cleaned_data['contact'],
-                    form_tag=self.form_tag)
+        contact = Contact.objects.create(
+            body=body,
+            ip=request.META['REMOTE_ADDR'],
+            contact=self.cleaned_data['contact'],
+            form_tag=self.form_tag)
         for name, value in self.cleaned_data.items():
             if isinstance(value, UploadedFile):
                 attachment = Attachment(contact=contact, tag=name)
@@ -76,8 +80,7 @@ class ContactForm(forms.Form):
                 'contact/%s/mail_managers_body.txt' % self.form_tag,
                 'contact/mail_managers_body.txt', 
             ], dictionary, context)
-        mail_managers(mail_managers_subject, mail_managers_body, 
-            fail_silently=True)
+        mail_managers(mail_managers_subject, mail_managers_body, fail_silently=True)
 
         try:
             validate_email(contact.contact)
@@ -92,9 +95,6 @@ class ContactForm(forms.Form):
                     'contact/%s/mail_body.txt' % self.form_tag,
                     'contact/mail_body.txt', 
                 ], dictionary, context)
-            send_mail(mail_subject, mail_body,
-                'no-reply@%s' % site.domain,
-                [contact.contact],
-                fail_silently=True)
+            send_mail(mail_subject, mail_body, 'no-reply@%s' % site.domain, [contact.contact], fail_silently=True)
 
         return contact
diff --git a/contact/models.py b/contact/models.py
index f23fddf..1c92610 100644
--- a/contact/models.py
+++ b/contact/models.py
@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 import yaml
-from django.core.files.storage import FileSystemStorage
 from django.db import models
 from django.utils.encoding import smart_unicode
 from django.utils.translation import ugettext_lazy as _
@@ -18,9 +17,7 @@ class Contact(models.Model):
     @staticmethod
     def pretty_print(value, for_html=False):
         if type(value) in (tuple, list, dict):
-            value = yaml.safe_dump(value, 
-                allow_unicode=True,
-                default_flow_style=False)
+            value = yaml.safe_dump(value, allow_unicode=True, default_flow_style=False)
             if for_html:
                 value = smart_unicode(value).replace(u" ", unichr(160))
         return value
@@ -41,7 +38,7 @@ class Attachment(models.Model):
 
     @models.permalink
     def get_absolute_url(self):
-        return ('contact_attachment', [self.contact_id, self.tag])
+        return 'contact_attachment', [self.contact_id, self.tag]
 
 
 __import__(app_settings.FORMS_MODULE)
diff --git a/contact/templatetags/contact_tags.py b/contact/templatetags/contact_tags.py
index e84064a..aadba16 100755
--- a/contact/templatetags/contact_tags.py
+++ b/contact/templatetags/contact_tags.py
@@ -1,8 +1,10 @@
+# -*- coding: utf-8 -*-
 from django.template import Library
 from contact.models import Contact
 
 register = Library()
 
+
 @register.filter
 def pretty_print(value):
     return Contact.pretty_print(value)
diff --git a/contact/urls.py b/contact/urls.py
index 7f8d4c4..16033a1 100644
--- a/contact/urls.py
+++ b/contact/urls.py
@@ -1,9 +1,10 @@
+# -*- coding: utf-8 -*-
 from django.conf.urls import patterns, url
 from . import views
 
-urlpatterns = patterns('contact.views',
+urlpatterns = patterns(
+    'contact.views',
     url(r'^(?P<form_tag>[^/]+)/$', views.form, name='contact_form'),
     url(r'^(?P<form_tag>[^/]+)/thanks/$', views.thanks, name='contact_thanks'),
-    url(r'^attachment/(?P<contact_id>\d+)/(?P<tag>[^/]+)/$',
-            views.attachment, name='contact_attachment'),
+    url(r'^attachment/(?P<contact_id>\d+)/(?P<tag>[^/]+)/$', views.attachment, name='contact_attachment'),
 )
diff --git a/contact/utils.py b/contact/utils.py
index ce37833..bba8c34 100644
--- a/contact/utils.py
+++ b/contact/utils.py
@@ -1,8 +1,12 @@
+# -*- coding: utf-8 -*-
+
+
 def csv_escape(string):
     return '"' + string.replace('\r\n', ' ').replace('\n', ' ').replace('"', '\"') + '"'
 
+
 def csv_prepare(obj):
     to_escape = obj
     if not isinstance(obj, unicode):
         to_escape = str(to_escape)
-    return csv_escape(to_escape)
\ No newline at end of file
+    return csv_escape(to_escape)
diff --git a/contact/views.py b/contact/views.py
index 20d28a3..823c046 100644
--- a/contact/views.py
+++ b/contact/views.py
@@ -1,7 +1,7 @@
+# -*- coding: utf-8 -*-
 from django.contrib.auth.decorators import permission_required
-from django.http import Http404, HttpResponse
+from django.http import Http404
 from django.shortcuts import get_object_or_404, redirect, render
-from django.utils.translation import ugettext_lazy as _
 from fnpdjango.utils.views import serve_file
 from .forms import contact_forms
 from .models import Attachment
@@ -35,10 +35,10 @@ def form(request, form_tag, force_enabled=False):
         formsets = []
         for formset in getattr(form, 'form_formsets', ()):
             formsets.append(formset())
-    return render(request,
-                ['contact/%s/form.html' % form_tag, 'contact/form.html'],
-                {'form': form, 'formsets': formsets}
-            )
+    return render(
+        request, ['contact/%s/form.html' % form_tag, 'contact/form.html'],
+        {'form': form, 'formsets': formsets}
+    )
 
 
 def thanks(request, form_tag):
@@ -47,10 +47,9 @@ def thanks(request, form_tag):
     except KeyError:
         raise Http404
 
-    return render(request,
-                ['contact/%s/thanks.html' % form_tag, 'contact/thanks.html'],
-                dict(base_template = getattr(form_class, 'base_template', None))
-            )
+    return render(
+        request, ['contact/%s/thanks.html' % form_tag, 'contact/thanks.html'],
+        {'base_template': getattr(form_class, 'base_template', None)})
 
 
 @permission_required('contact.change_attachment')
diff --git a/curriculum/admin.py b/curriculum/admin.py
index 4e83537..0f378bc 100755
--- a/curriculum/admin.py
+++ b/curriculum/admin.py
@@ -1,19 +1,23 @@
+# -*- coding: utf-8 -*-
 from django.contrib import admin
-from .models import (Competence, CompetenceLevel, Level, Section,
-    CurriculumCourse, CurriculumLevel, Curriculum)
+from .models import Competence, CompetenceLevel, Level, Section, CurriculumCourse, CurriculumLevel, Curriculum
+
 
 class CompetenceLevelInline(admin.TabularInline):
     model = CompetenceLevel
 
+
 class CompetenceAdmin(admin.ModelAdmin):
     model = Competence
     list_display = ['name_pl', 'name_en', 'section', 'slug', 'order']
     inlines = [CompetenceLevelInline]
 
+
 class LevelAdmin(admin.ModelAdmin):
     model = Level
     list_display = ['name_pl', 'name_en', 'group_pl', 'group_en', 'slug', 'order']
 
+
 class SectionAdmin(admin.ModelAdmin):
     model = Section
     list_display = ['name_pl', 'name_en', 'slug', 'order']
diff --git a/curriculum/models.py b/curriculum/models.py
index a5d531f..22de956 100644
--- a/curriculum/models.py
+++ b/curriculum/models.py
@@ -28,7 +28,7 @@ class Section(models.Model):
         return "%s?s=%d&level=%s&d=1" % (reverse("curriculum"), self.pk, level.slug)
 
 add_translatable(Section, {
-    'name': models.CharField(_('name'), max_length=255, default = '')
+    'name': models.CharField(_('name'), max_length=255, default='')
 })
 
 
@@ -65,7 +65,7 @@ class Competence(models.Model):
             return cls.objects.get(**{lookup_field_name: parts[1].strip()})
 
 add_translatable(Competence, {
-    'name': models.CharField(_('name'), max_length=255, default = '')
+    'name': models.CharField(_('name'), max_length=255, default='')
 })
 
 
@@ -73,9 +73,11 @@ class Level(models.Model):
     slug = models.CharField(_('slug'), max_length=255, unique=True)
     meta_name = models.CharField(_('meta name'), max_length=255, unique=True)
     order = models.IntegerField(_('order'))
-    package = models.FileField(upload_to=lambda i, f: "curriculum/pack/edukacjamedialna_%s.zip" % i.slug,
+    package = models.FileField(
+        upload_to=lambda i, f: "curriculum/pack/edukacjamedialna_%s.zip" % i.slug,
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    student_package = models.FileField(upload_to=lambda i, f: "curriculum/pack/edukacjamedialna_%s_uczen.zip" % i.slug,
+    student_package = models.FileField(
+        upload_to=lambda i, f: "curriculum/pack/edukacjamedialna_%s_uczen.zip" % i.slug,
         null=True, blank=True, max_length=255, storage=bofh_storage)
 
     class Meta:
@@ -127,10 +129,9 @@ class Level(models.Model):
         self.build_package(True)
 
 
-
 add_translatable(Level, {
-    'name': models.CharField(_('name'), max_length=255, default = ''),
-    'group': models.CharField(_('group'), max_length=255, default = '')
+    'name': models.CharField(_('name'), max_length=255, default=''),
+    'group': models.CharField(_('group'), max_length=255, default='')
 })
 
 
@@ -150,7 +151,7 @@ class CompetenceLevel(models.Model):
         return "%s?c=%d&level=%s&d=1" % (reverse("curriculum"), self.competence.pk, self.level.slug)
 
 add_translatable(CompetenceLevel, {
-    'description': models.TextField(_('description'), default = '')
+    'description': models.TextField(_('description'), default='')
 })
 
 
@@ -199,8 +200,7 @@ class Curriculum(models.Model):
     @classmethod
     def from_text(cls, identifier, title):
         m = re.match(r"^\d+/(?P<level>[^/]+)/(?P<course>[^/]+)/"
-                     "(?P<type>(?:%s))[^/]+(?P<roz>/roz)?" %
-                        "|".join(cls.TYPES), identifier)
+                     r"(?P<type>(?:%s))[^/]+(?P<roz>/roz)?" % "|".join(cls.TYPES), identifier)
         assert m is not None, "Curriculum identifier doesn't match template."
         level, created = CurriculumLevel.objects.get_or_create(
                                        title=m.group('level'))
@@ -225,4 +225,3 @@ class Curriculum(models.Model):
         curr.type = type_
         curr.save()
         return curr
-
diff --git a/curriculum/templatetags/curriculum_tags.py b/curriculum/templatetags/curriculum_tags.py
index 7757150..cc37d0e 100755
--- a/curriculum/templatetags/curriculum_tags.py
+++ b/curriculum/templatetags/curriculum_tags.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from django import template
 from django.utils.datastructures import SortedDict
 from ..models import Competence, Curriculum, CurriculumCourse
@@ -11,17 +12,19 @@ def competence(texts, level):
     try:
         comps = [Competence.from_text(text) for text in texts]
     except:
+        # WTF
         return {'texts': texts}
     return {
         'comps': comps,
         'level': level,
     }
 
+
 @register.inclusion_tag("curriculum/snippets/curriculum.html")
 def curriculum(identifiers):
     try:
         currs = [Curriculum.objects.get(identifier__iexact=identifier.replace(' ', ''))
-                    for identifier in identifiers]
+                 for identifier in identifiers]
     except Curriculum.DoesNotExist:
         return {'identifiers': identifiers}
 
@@ -45,6 +48,7 @@ def url_for_level(comp, level):
     try:
         return comp.url_for_level(level)
     except:
+        # WTF
         return comp.get_absolute_url()
 
 
@@ -65,16 +69,20 @@ def course_box(course):
         "lessons": lessons,
     }
 
+
 @register.inclusion_tag("curriculum/snippets/course_boxes.html")
 def course_boxes():
     return {'object_list': CurriculumCourse.objects.all()}
 
+
 @register.inclusion_tag("curriculum/snippets/course_boxes_toc.html")
 def course_boxes_toc(accusative=False):
     last = None, None
     object_list = []
-    for l in Lesson.curriculum_courses.through.objects.all().select_related('lesson__level', 'curriculumcourse').order_by(
-            'lesson__level', 'curriculumcourse'):
+    lessons = Lesson.curriculum_courses.through.objects\
+        .select_related('lesson__level', 'curriculumcourse')\
+        .order_by('lesson__level', 'curriculumcourse')
+    for l in lessons:
         level, course = l.lesson.level, l.curriculumcourse
         if (level, course) == last:
             continue
diff --git a/curriculum/tests.py b/curriculum/tests.py
index 501deb7..b967c44 100644
--- a/curriculum/tests.py
+++ b/curriculum/tests.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 """
 This file demonstrates writing tests using the unittest module. These will pass
 when you run "manage.py test".
diff --git a/curriculum/urls.py b/curriculum/urls.py
index 0fa940a..7553a66 100755
--- a/curriculum/urls.py
+++ b/curriculum/urls.py
@@ -1,7 +1,9 @@
-from django.conf.urls import patterns, include, url
+# -*- coding: utf-8 -*-
+from django.conf.urls import patterns, url
 from .views import CompetenceDetailView, CompetencesView
 
-urlpatterns = patterns('',
+urlpatterns = patterns(
+    '',
     url(r'^$', CompetencesView.as_view(), name='curriculum'),
     url(r'^(?P<slug>[^/]+)/$', CompetenceDetailView.as_view(), name='curriculum_competence'),
 )
diff --git a/edumed/contact_forms.py b/edumed/contact_forms.py
index 3e7abab..b7972c7 100644
--- a/edumed/contact_forms.py
+++ b/edumed/contact_forms.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 from django import forms
+from django.forms.formsets import BaseFormSet
 from contact.forms import ContactForm
 from django.core.mail import send_mail
 from django.core.exceptions import ValidationError
@@ -26,15 +27,16 @@ class CooperateForm(ContactForm):
 
     podpis = forms.CharField(label=u'Imię i nazwisko', max_length=128)
     contact = forms.EmailField(label=u'E-mail', max_length=128)
-    instytucja = forms.CharField(label=u'Instytucja (nazwa, adres)', 
-            widget=forms.Textarea, max_length=1000, required=False)
+    instytucja = forms.CharField(
+        label=u'Instytucja (nazwa, adres)', widget=forms.Textarea, max_length=1000, required=False)
     uwagi = forms.CharField(label=u'Uwagi', widget=forms.Textarea, max_length=1800, required=False)
         
     zajecia_przedszkole = forms.BooleanField(label=u'Prowadzę zajęcia z dziećmi w wieku przedszkolnym', required=False)
     zajecia_sp13 = forms.BooleanField(label=u'Prowadzę zajęcia z dziećmi z SP kl. 1-3', required=False)
     zajecia_sp46 = forms.BooleanField(label=u'Prowadzę zajęcia z dziećmi z SP kl. 4-6', required=False)
     zajecia_gimnazjum = forms.BooleanField(label=u'Prowadzę zajęcia z młodzieżą w wieku gimnazjalnym', required=False)
-    zajecia_ponadgimnazjalne = forms.BooleanField(label=u'Prowadzę zajęcia z młodzieżą ze szkół ponadgimnazjalnych', required=False)
+    zajecia_ponadgimnazjalne = forms.BooleanField(
+        label=u'Prowadzę zajęcia z młodzieżą ze szkół ponadgimnazjalnych', required=False)
     zajecia_wyzsze = forms.BooleanField(label=u'Prowadzę zajęcia w szkole wyższej', required=False)
     zajecia_dorosli = forms.BooleanField(label=u'Prowadzę zajęcia dla dorosłych', required=False)
     zajecia_seniorzy = forms.BooleanField(label=u'Prowadzę zajęcia dla seniorów', required=False)
@@ -47,28 +49,29 @@ class ContestForm(ContactForm):
 
     nazwisko = forms.CharField(label=u'Imię i nazwisko', max_length=128)
     contact = forms.EmailField(label=u'Adres e-mail', max_length=128)
-    instytucja = forms.CharField(label=u'Instytucja (nazwa, adres)', 
-            widget=forms.Textarea, max_length=1000)
-    tytul = forms.CharField(label=u'Tytuł przeprowadzonej lekcji',
-            help_text=u'proszę wymienić wszystkie, jeśli zostały przeprowadzone więcej niż jedne zajęcia', 
-            widget=forms.Textarea, max_length=1000)
+    instytucja = forms.CharField(label=u'Instytucja (nazwa, adres)', widget=forms.Textarea, max_length=1000)
+    tytul = forms.CharField(
+        label=u'Tytuł przeprowadzonej lekcji',
+        help_text=u'proszę wymienić wszystkie, jeśli zostały przeprowadzone więcej niż jedne zajęcia',
+        widget=forms.Textarea, max_length=1000)
     uczestnicy = forms.CharField(label=u'Liczba uczestników', max_length=64)
-    trudnosci = forms.CharField(label=u'Czy w trakcie zajęć pojawiły się jakieś trudności? Jeśli tak, to jakie?', 
-            widget=forms.Textarea, max_length=2000)
-    pomocne = forms.CharField(label=u'Co w materiałach okazało się najbardziej pomocne w przygotowaniu i prowadzeniu lekcji?', 
-            widget=forms.Textarea, max_length=2000)
-    nieprzydatne = forms.CharField(label=u'Co w materiałach okazało się nieprzydatne w przygotowaniu i prowadzeniu lekcji?', 
-            widget=forms.Textarea, max_length=2000)
-    poprawic = forms.CharField(label=u'Jak możemy poprawić serwis edukacjamedialna.edu.pl?', 
-            widget=forms.Textarea, max_length=2000,
-            required=False)
-    inne = forms.CharField(label=u'Inne uwagi i komentarze', 
-            widget=forms.Textarea, max_length=2000,
-            required=False)
+    trudnosci = forms.CharField(
+        label=u'Czy w trakcie zajęć pojawiły się jakieś trudności? Jeśli tak, to jakie?',
+        widget=forms.Textarea, max_length=2000)
+    pomocne = forms.CharField(
+        label=u'Co w materiałach okazało się najbardziej pomocne w przygotowaniu i prowadzeniu lekcji?',
+        widget=forms.Textarea, max_length=2000)
+    nieprzydatne = forms.CharField(
+        label=u'Co w materiałach okazało się nieprzydatne w przygotowaniu i prowadzeniu lekcji?',
+        widget=forms.Textarea, max_length=2000)
+    poprawic = forms.CharField(
+        label=u'Jak możemy poprawić serwis edukacjamedialna.edu.pl?',
+        widget=forms.Textarea, max_length=2000, required=False)
+    inne = forms.CharField(label=u'Inne uwagi i komentarze', widget=forms.Textarea, max_length=2000, required=False)
     zgoda_regulamin = forms.BooleanField(
         label=u'Znam i akceptuję regulamin konkursu Medialog.',
-        help_text=u'Zobacz <a href="/media/chunks/attachment/Regulamin_konkursu_MediaLog_1.pdf">regulamin konkursu MediaLog</a>.'
-    )
+        help_text=u'Zobacz <a href="/media/chunks/attachment/Regulamin_konkursu_MediaLog_1.pdf">'
+                  u'regulamin konkursu MediaLog</a>.')
     zgoda_informacje = forms.BooleanField(
         label=u'Wyrażam zgodę na otrzymywanie informacji od Fundacji Nowoczesna Polska związanych z edukacją medialną.',
         required=False
@@ -94,8 +97,9 @@ class WTEMStudentForm(forms.Form):
     email = forms.EmailField(label=u'Adres e-mail', max_length=128)
     form_tag = "student"
 
+
 # FIXME: doesn't do what is says anymore.
-class NoEmptyFormsAllowedBaseFormSet(forms.formsets.BaseFormSet):
+class NoEmptyFormsAllowedBaseFormSet(BaseFormSet):
     """
     Won't allow formset_factory to be submitted with no forms
     """
@@ -104,10 +108,11 @@ class NoEmptyFormsAllowedBaseFormSet(forms.formsets.BaseFormSet):
         for form in self.forms:
             if form.cleaned_data:
                 needed -= 1
-                #return
+                # return
         if needed > 0:
             raise forms.ValidationError(u"Proszę podać dane przynajmniej trzech osób.")
 
+
 class WTEMForm(ContactForm):
     disabled = True
     disabled_template = 'wtem/disabled_contact_form.html'
@@ -115,7 +120,8 @@ class WTEMForm(ContactForm):
     form_title = u"WTEM - rejestracja uczestników"
     submit_label = u"Wyślij zgłoszenie"
     admin_list = ['imie', 'nazwisko', 'institution']
-    form_formsets = (forms.formsets.formset_factory(WTEMStudentForm, formset=NoEmptyFormsAllowedBaseFormSet, max_num=5, validate_max=True, extra=5),)
+    form_formsets = (forms.formsets.formset_factory(
+        WTEMStudentForm, formset=NoEmptyFormsAllowedBaseFormSet, max_num=5, validate_max=True, extra=5),)
 
     contact = forms.EmailField(label=u'Adres e-mail opiekuna/opiekunki', max_length=128)
     imie = forms.CharField(label=u'Imię', max_length=128)
@@ -129,18 +135,22 @@ class WTEMForm(ContactForm):
 
     zgoda_regulamin = forms.BooleanField(
         label=u'Znam i akceptuję regulamin Wielkiego Turnieju Edukacji Medialnej.',
-        help_text=u'Zobacz <a href="/media/chunks/attachment/regulamin_III_edycja.pdf">regulamin Wielkiego Turnieju Edukacji Medialnej</a>.'
+        help_text=u'Zobacz <a href="/media/chunks/attachment/regulamin_III_edycja.pdf">'
+                  u'regulamin Wielkiego Turnieju Edukacji Medialnej</a>.'
     )
     zgoda_dane = forms.BooleanField(
         label=u'Wyrażam zgodę na przetwarzanie moich danych osobowych oraz danych osobowych moich podopiecznych.',
-        #help_text=u'Zobacz <a href="/media/chunks/attachment/Oswiadczenie_o_danych_osobowych.pdf">pełną treść oświadczenia</a>.'
+        # help_text=u'Zobacz <a href="/media/chunks/attachment/Oswiadczenie_o_danych_osobowych.pdf">'
+        # 'pełną treść oświadczenia</a>.'
     )
 
     potw_uczniowie = forms.BooleanField(
-        label=u'Potwierdzam, że zgłoszeni Uczestnicy/Uczestniczki w chwili rejestracji są uczniami/uczennicami szkoły ponadgimnazjalnej.',
+        label=u'Potwierdzam, że zgłoszeni Uczestnicy/Uczestniczki w chwili rejestracji są '
+              u'uczniami/uczennicami szkoły ponadgimnazjalnej.',
     )
     zgoda_informacje = forms.BooleanField(
-        label=u'Wyrażam zgodę na otrzymywanie informacji od Fundacji Nowoczesna Polska związanych z edukacją medialną.',
+        label=u'Wyrażam zgodę na otrzymywanie informacji od Fundacji Nowoczesna Polska '
+              u'związanych z edukacją medialną.',
         required=False
     )
 
@@ -169,7 +179,7 @@ class WTEMForm(ContactForm):
         for student in contact.body['student']:
             for attr in ('first_name', 'last_name', 'email'):
                 current['student_' + attr] = student[attr]
-            if not current in toret:
+            if current not in toret:
                 toret.append(current)
             current = dict()
         return toret
@@ -187,7 +197,8 @@ class WTEMForm(ContactForm):
                 except ValidationError:
                     pass
                 else:
-                    send_mail(mail_subject, mail_body, 'edukacjamedialna@nowoczesnapolska.org.pl', [email], fail_silently=True)
+                    send_mail(mail_subject, mail_body, 'edukacjamedialna@nowoczesnapolska.org.pl', [email],
+                              fail_silently=True)
 
         return contact
 
@@ -199,38 +210,34 @@ class MILForm(ContactForm):
     base_template = 'base_mil.html'
     site_name = site_domain = 'katalog.nowoczesnapolska.org.pl'
 
-    name = forms.CharField(label = _('Name and Surname'), max_length = 255)
-    contact = forms.EmailField(label = _('E-mail'), max_length = 255)
+    name = forms.CharField(label=_('Name and Surname'), max_length=255)
+    contact = forms.EmailField(label=_('E-mail'), max_length=255)
 
-    institution = forms.CharField(label =_('Institution'), widget = forms.Textarea, max_length = 8192)
+    institution = forms.CharField(label=_('Institution'), widget=forms.Textarea, max_length=8192)
 
     question_stages = forms.CharField(
-        label = _('What do you think about the proposed educational stages classification?'),
-        widget = forms.Textarea,
-        max_length = 255,
-        required = False
-    )
+        label=_('What do you think about the proposed educational stages classification?'),
+        widget=forms.Textarea,
+        max_length=255,
+        required=False)
 
     question_fields = forms.CharField(
-        label = _('What do you think about the proposed thematic fields?'),
-        widget = forms.Textarea,
-        max_length = 255,
-        required = False
-    )
+        label=_('What do you think about the proposed thematic fields?'),
+        widget=forms.Textarea,
+        max_length=255,
+        required=False)
 
     question_left_out = forms.CharField(
-        label = _('What important areas of media and information literacy have been left out?'),
-        widget = forms.Textarea,
-        max_length = 255,
-        required = False
-    )
+        label=_('What important areas of media and information literacy have been left out?'),
+        widget=forms.Textarea,
+        max_length=255,
+        required=False)
 
     other = forms.CharField(
-        label = _('Other suggestions and comments'),
-        widget = forms.Textarea,
-        max_length = 255,
-        required = False
-    )
+        label=_('Other suggestions and comments'),
+        widget=forms.Textarea,
+        max_length=255,
+        required=False)
 
 
 class TEMForm(ContactForm):
@@ -243,18 +250,24 @@ class TEMForm(ContactForm):
     contact = forms.EmailField(label=u'E-mail', max_length=128)
     telefon = forms.CharField(label=u'Tel. kontaktowy', max_length=128)
     instytucja = forms.CharField(label=u'Instytucja', max_length=256)
-    adres = forms.CharField(label=u'Adres',
-            widget=forms.Textarea, max_length=1000)
+    adres = forms.CharField(label=u'Adres', widget=forms.Textarea, max_length=1000)
     stanowisko = forms.CharField(label=u'Stanowisko', max_length=256)
-    doswiadczenie = forms.CharField(label=u'Jakie jest Pani/Pana doświadczenie w zakresie edukacji medialnej?',
-            widget=forms.Textarea, max_length=500, help_text=u'(max 500 znaków)')
-    dlaczego = forms.CharField(label=u'Dlaczego chce Pani/Pan wziąć udział w szkoleniu?',
-            widget=forms.Textarea, max_length=500, help_text=u'(max 500 znaków)')
-    jak_wykorzystac = forms.CharField(label=u'Jak zamierza Pan/Pani wykorzystać wiedzę zdobytą w czasie szkolenia?',
-            widget=forms.Textarea, max_length=500, help_text=u'(max 500 znaków)')
-
-    zajecia = forms.BooleanField(label=u'W okresie wrzesień-październik 2015 r. przeprowadzę min. 2 godziny zajęć edukacji medialnej z wybraną grupą dzieci lub młodzieży.', required=True)
-    zgoda_informacje = forms.BooleanField(label=u'Wyrażam zgodę na otrzymywanie informacji od Fundacji Nowoczesna Polska związanych z edukacją medialną.', required=False)
+    doswiadczenie = forms.CharField(
+        label=u'Jakie jest Pani/Pana doświadczenie w zakresie edukacji medialnej?',
+        widget=forms.Textarea, max_length=500, help_text=u'(max 500 znaków)')
+    dlaczego = forms.CharField(
+        label=u'Dlaczego chce Pani/Pan wziąć udział w szkoleniu?',
+        widget=forms.Textarea, max_length=500, help_text=u'(max 500 znaków)')
+    jak_wykorzystac = forms.CharField(
+        label=u'Jak zamierza Pan/Pani wykorzystać wiedzę zdobytą w czasie szkolenia?',
+        widget=forms.Textarea, max_length=500, help_text=u'(max 500 znaków)')
+
+    zajecia = forms.BooleanField(
+        label=u'W okresie wrzesień-październik 2015 r. przeprowadzę min. 2 godziny zajęć edukacji medialnej '
+              u'z wybraną grupą dzieci lub młodzieży.', required=True)
+    zgoda_informacje = forms.BooleanField(
+        label=u'Wyrażam zgodę na otrzymywanie informacji od Fundacji Nowoczesna Polska '
+              u'związanych z edukacją medialną.', required=False)
 
 
 class SuperwizjaForm(ContactForm):
@@ -270,28 +283,62 @@ class SuperwizjaForm(ContactForm):
     termin = forms.CharField(label=u'Termin zajęć', max_length=1024)
     czas_trwania = forms.CharField(label=u'Czas trwania zajęć', max_length=1024)
     miejsce = forms.CharField(label=u'Miejsce prowadzenia zajęć', max_length=1024)
-    rodzaj = forms.ChoiceField(label=u'Rodzaj zajęć', widget=forms.RadioSelect, choices=[('jednorazowe', 'jednorazowe'), ('w ramach cyklu', 'w ramach cyklu')])
+    rodzaj = forms.ChoiceField(
+        label=u'Rodzaj zajęć', widget=forms.RadioSelect,
+        choices=[('jednorazowe', 'jednorazowe'), ('w ramach cyklu', 'w ramach cyklu')])
     cykl = forms.CharField(label=u'Jeśli w ramach cyklu, to podaj jego temat i czas trwania', required=False)
-    sposob = forms.ChoiceField(label=u'Sposób prowadzenia zajęć', widget=forms.RadioSelect, choices=[('samodzielnie', 'samodzielnie'), (u'z drugą osobą', 'z drugą osobą')])
-    wrazenia = forms.CharField(label=u'Opisz Twoje ogólne wrażenia po warsztacie.', widget=forms.Textarea, max_length=4096)
-    opiekun = forms.CharField(label=u'Czy opiekun grupy był obecny podczas zajęć? Jeśli tak, opisz krótko jego rolę.', widget=forms.Textarea, max_length=4096)
-    grupa = forms.CharField(label=u'Opisz krótko grupę uczestników zajęć (wiek, liczba osób, czy to pierwszy kontakt z grupą).', widget=forms.Textarea, max_length=4096)
-    cel = forms.CharField(label=u'Jaki był założony cel zajęć? Dlaczego wybrałaś/eś taki cel?', widget=forms.Textarea, max_length=4096)
-    ewaluacja = forms.CharField(label=u'W jaki sposób sprawdziłeś/aś, czy cel zajęć został zrealizowany? Opisz krótko efekty zajęć.', widget=forms.Textarea, max_length=4096)
+    sposob = forms.ChoiceField(
+        label=u'Sposób prowadzenia zajęć', widget=forms.RadioSelect,
+        choices=[('samodzielnie', 'samodzielnie'), (u'z drugą osobą', 'z drugą osobą')])
+    wrazenia = forms.CharField(
+        label=u'Opisz Twoje ogólne wrażenia po warsztacie.', widget=forms.Textarea, max_length=4096)
+    opiekun = forms.CharField(
+        label=u'Czy opiekun grupy był obecny podczas zajęć? Jeśli tak, opisz krótko jego rolę.',
+        widget=forms.Textarea, max_length=4096)
+    grupa = forms.CharField(
+        label=u'Opisz krótko grupę uczestników zajęć (wiek, liczba osób, czy to pierwszy kontakt z grupą).',
+        widget=forms.Textarea, max_length=4096)
+    cel = forms.CharField(
+        label=u'Jaki był założony cel zajęć? Dlaczego wybrałaś/eś taki cel?', widget=forms.Textarea, max_length=4096)
+    ewaluacja = forms.CharField(
+        label=u'W jaki sposób sprawdziłeś/aś, czy cel zajęć został zrealizowany? Opisz krótko efekty zajęć.',
+        widget=forms.Textarea, max_length=4096)
     # header
-    przygotowania = forms.CharField(label=u'Opisz w punktach proces przygotowania się do zajęć.', widget=forms.Textarea, max_length=4096)
-    przygotowania_trudnosci = forms.CharField(label=u'Co na etapie przygotowań sprawiło Ci największą trudność?', widget=forms.Textarea, max_length=4096)
-    przygotowania_pomoc = forms.CharField(label=u'Co było pomocne w przygotowaniu zajęć? (Czy korzystałaś/eś z materiałów z serwisu edukacjamedialna.edu.pl? Jeśli tak, to jakich?)', widget=forms.Textarea, max_length=4096)
-    narzedzia = forms.CharField(label=u'Jakie narzędzie/a planowałaś/eś wykorzystać, a jakie wykorzystałaś/eś?', widget=forms.Textarea, max_length=4096)
-    struktura = forms.CharField(label=u'Opisz w punktach strukturę zajęć. Zaznacz ile czasu planowałaś/eś na każdą część, a ile czasu faktycznie Ci to zajęło.', widget=forms.Textarea, max_length=4096)
-    prowadzenie_trudnosci = forms.CharField(label=u'Co sprawiało Ci trudność w prowadzeniu zajęć?', widget=forms.Textarea, max_length=4096)
-    prowadzenie_pomoc = forms.CharField(label=u'Co było pomocne w prowadzeniu zajęć?', widget=forms.Textarea, max_length=4096)
-    kontrakt = forms.CharField(label=u'W jakiej formie został zawarty kontrakt z uczestnikami? Jakie zasady zostały przyjęte? Czy w trakcie zajęć Ty bądź uczestnicy odwoływaliście się do kontraktu?', widget=forms.Textarea, max_length=4096)
-    trudne_sytuacje = forms.CharField(label=u'Czy podczas zajęć miały miejsce tzw. „trudne sytuacje”. Jak na nie zareagowałaś/eś? Czy potrzebowałabyś/łbyś czegoś w związku z nimi?', widget=forms.Textarea, max_length=4096)
-    informacje_zwrotne = forms.CharField(label=u'Czy zbierałaś/eś informacje zwrotne od uczestników? Jeśli tak, na co zwrócili uwagę? W jaki sposób zbierałaś/eś informacje zwrotne?', widget=forms.Textarea, max_length=4096)
-
-    mocne_strony = forms.CharField(label=u'Opisz w punktach mocne strony przeprowadzonych zajęć.', widget=forms.Textarea, max_length=4096)
-    zmiany = forms.CharField(label=u'Opisz w punktach, co byś zmienił(a) na przyszłość.', widget=forms.Textarea, max_length=4096)
-    potrzeby = forms.CharField(label=u'Czy potrzebowałbyś/łbyś czegoś przed następnymi zajęciami?', widget=forms.Textarea, max_length=4096)
+    przygotowania = forms.CharField(
+        label=u'Opisz w punktach proces przygotowania się do zajęć.', widget=forms.Textarea, max_length=4096)
+    przygotowania_trudnosci = forms.CharField(
+        label=u'Co na etapie przygotowań sprawiło Ci największą trudność?', widget=forms.Textarea, max_length=4096)
+    przygotowania_pomoc = forms.CharField(
+        label=u'Co było pomocne w przygotowaniu zajęć? '
+              u'(Czy korzystałaś/eś z materiałów z serwisu edukacjamedialna.edu.pl? Jeśli tak, to jakich?)',
+        widget=forms.Textarea, max_length=4096)
+    narzedzia = forms.CharField(
+        label=u'Jakie narzędzie/a planowałaś/eś wykorzystać, a jakie wykorzystałaś/eś?',
+        widget=forms.Textarea, max_length=4096)
+    struktura = forms.CharField(
+        label=u'Opisz w punktach strukturę zajęć. '
+              u'Zaznacz ile czasu planowałaś/eś na każdą część, a ile czasu faktycznie Ci to zajęło.',
+        widget=forms.Textarea, max_length=4096)
+    prowadzenie_trudnosci = forms.CharField(
+        label=u'Co sprawiało Ci trudność w prowadzeniu zajęć?', widget=forms.Textarea, max_length=4096)
+    prowadzenie_pomoc = forms.CharField(
+        label=u'Co było pomocne w prowadzeniu zajęć?', widget=forms.Textarea, max_length=4096)
+    kontrakt = forms.CharField(
+        label=u'W jakiej formie został zawarty kontrakt z uczestnikami? Jakie zasady zostały przyjęte? '
+              u'Czy w trakcie zajęć Ty bądź uczestnicy odwoływaliście się do kontraktu?',
+        widget=forms.Textarea, max_length=4096)
+    trudne_sytuacje = forms.CharField(
+        label=u'Czy podczas zajęć miały miejsce tzw. „trudne sytuacje”. '
+              u'Jak na nie zareagowałaś/eś? Czy potrzebowałabyś/łbyś czegoś w związku z nimi?',
+        widget=forms.Textarea, max_length=4096)
+    informacje_zwrotne = forms.CharField(
+        label=u'Czy zbierałaś/eś informacje zwrotne od uczestników? Jeśli tak, na co zwrócili uwagę? '
+              u'W jaki sposób zbierałaś/eś informacje zwrotne?', widget=forms.Textarea, max_length=4096)
+
+    mocne_strony = forms.CharField(
+        label=u'Opisz w punktach mocne strony przeprowadzonych zajęć.', widget=forms.Textarea, max_length=4096)
+    zmiany = forms.CharField(
+        label=u'Opisz w punktach, co byś zmienił(a) na przyszłość.', widget=forms.Textarea, max_length=4096)
+    potrzeby = forms.CharField(
+        label=u'Czy potrzebowałbyś/łbyś czegoś przed następnymi zajęciami?', widget=forms.Textarea, max_length=4096)
     uwagi = forms.CharField(label=u'Inne uwagi', widget=forms.Textarea, max_length=4096, required=False)
-
diff --git a/edumed/context_processors.py b/edumed/context_processors.py
index 63e1df1..ed57c24 100644
--- a/edumed/context_processors.py
+++ b/edumed/context_processors.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 def base_template(request):
     base_template = 'base_mil.html' if request.META.get('HTTP_HOST').startswith('katalog') else 'base.html'
-    return dict(base_template = base_template)
\ No newline at end of file
+    return dict(base_template = base_template)
diff --git a/edumed/forms.py b/edumed/forms.py
index 554779f..650197b 100644
--- a/edumed/forms.py
+++ b/edumed/forms.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from django import forms
 from django.utils.translation import ugettext_lazy as _
 from pybb.forms import EditProfileForm
@@ -8,10 +9,9 @@ class AvatarlessEditProfileForm(EditProfileForm):
     signature = forms.CharField(
         widget=forms.Textarea(attrs={'rows': 2, 'cols:': 60}),
         required=False,
-        label = _('Signature')
+        label=_('Signature')
     )
 
     class Meta:
         model = util.get_pybb_profile_model()
-        fields = ['signature', 'time_zone', 'language',
-                      'show_signatures']
+        fields = ['signature', 'time_zone', 'language', 'show_signatures']
diff --git a/edumed/forum.py b/edumed/forum.py
index 4b194a8..86cfb0c 100644
--- a/edumed/forum.py
+++ b/edumed/forum.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from pybb.permissions import DefaultPermissionHandler
 
 
@@ -22,4 +23,3 @@ class ForumPermissionHandler(DefaultPermissionHandler):
             return False
 
         return user.is_authenticated()
-        
\ No newline at end of file
diff --git a/edumed/milurls.py b/edumed/milurls.py
index b68f1ba..dea2558 100644
--- a/edumed/milurls.py
+++ b/edumed/milurls.py
@@ -1,10 +1,13 @@
+# -*- coding: utf-8 -*-
 from django.conf.urls import include, url, patterns
+from django.conf import settings
 
 from fnpdjango.utils.urls import i18n_patterns
 from .views import mil_home_view, mil_contact_view, mil_knowledge_base_view
 
 
-urlpatterns = i18n_patterns('',
+urlpatterns = i18n_patterns(
+    '',
     url(r'^$', mil_home_view, name="mil_home"),
     url(r'^kompetencje/', include('curriculum.urls')),
     url(r'^wez-udzial/', include('comment.urls')),
@@ -16,10 +19,10 @@ urlpatterns = i18n_patterns('',
 
 handler404 = 'edumed.views.mil_404_view'
 
-from django.conf import settings
 if settings.DEBUG:
-    urlpatterns += patterns('',
+    urlpatterns += patterns(
+        '',
         url(r'^media/(?P<path>.*)$', 'django.views.static.serve', {
             'document_root': settings.MEDIA_ROOT,
         }),
-   )
+    )
diff --git a/edumed/settings.py b/edumed/settings.py
index e9b77f0..c5df1a7 100644
--- a/edumed/settings.py
+++ b/edumed/settings.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import os.path
 import glob
 
diff --git a/edumed/urls.py b/edumed/urls.py
index e7cd5f0..43ed0a8 100644
--- a/edumed/urls.py
+++ b/edumed/urls.py
@@ -4,7 +4,8 @@ from django.conf import settings
 from .views import HomeView, AvatarlessProfileEditView
 
 
-urlpatterns = patterns('',
+urlpatterns = patterns(
+    '',
     url(r'^$', HomeView.as_view(), name="home"),
     url(r'^lekcje/', include('catalogue.urls')),
     url(r'^info/(?P<url>.*)$', 'django.contrib.flatpages.views.flatpage',
@@ -25,17 +26,20 @@ if 'django.contrib.admin' in settings.INSTALLED_APPS:
     admin.autodiscover()
 
     if 'django_cas' in settings.INSTALLED_APPS:
-        urlpatterns += patterns('',
+        urlpatterns += patterns(
+            '',
             (r'^admin/logout/$', 'django_cas.views.logout'),
         )
-    urlpatterns += patterns('',
+    urlpatterns += patterns(
+        '',
         url(r'^admin/doc/', include('django.contrib.admindocs.urls')),
         url(r'^admin/', include(admin.site.urls)),
     )
 
 # Auth stuff, if necessary
 if 'django_cas' in settings.INSTALLED_APPS:
-    urlpatterns += patterns('',
+    urlpatterns += patterns(
+        '',
         url(r'^accounts/login/$', 'django_cas.views.login', name='login'),
         url(r'^accounts/logout/$', 'django_cas.views.logout', name='logout'),
     )
@@ -54,8 +58,9 @@ if settings.DEBUG:
 
 
 if settings.DEBUG:
-    urlpatterns += patterns('',
+    urlpatterns += patterns(
+        '',
         url(r'^media/(?P<path>.*)$', 'django.views.static.serve', {
             'document_root': settings.MEDIA_ROOT,
         }),
-   )
+    )
diff --git a/edumed/views.py b/edumed/views.py
index 712570d..47c5d16 100644
--- a/edumed/views.py
+++ b/edumed/views.py
@@ -1,26 +1,31 @@
-import os.path
-from django.conf import settings
-from django.views.generic import TemplateView
-from django.views.defaults import page_not_found
+# -*- coding: utf-8 -*-
 from django.contrib.flatpages.views import flatpage
+from django.views.defaults import page_not_found
+from django.views.generic import TemplateView
 from pybb.views import ProfileEditView
+
 from .forms import AvatarlessEditProfileForm
 
 
 class HomeView(TemplateView):
-    template_name="home.html"
+    template_name = "home.html"
+
 
 def mil_home_view(request):
-    return flatpage(request, url = '/' if request.LANGUAGE_CODE == 'pl' else '/en/')
+    return flatpage(request, url='/' if request.LANGUAGE_CODE == 'pl' else '/en/')
+
 
 def mil_404_view(request):
     return page_not_found(request, '404_mil.html')
 
+
 def mil_contact_view(request):
-    return flatpage(request, url = '/kontakt_mil/' if request.LANGUAGE_CODE == 'pl' else '/contact_mil/')
+    return flatpage(request, url='/kontakt_mil/' if request.LANGUAGE_CODE == 'pl' else '/contact_mil/')
+
 
 def mil_knowledge_base_view(request, url):
-    return flatpage(request, url = 'bazawiedzy/' + url)
+    return flatpage(request, url='bazawiedzy/' + url)
+
 
 class AvatarlessProfileEditView(ProfileEditView):
     form_class = AvatarlessEditProfileForm
diff --git a/fabfile.py b/fabfile.py
index b157b2c..5e108a7 100644
--- a/fabfile.py
+++ b/fabfile.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from fnpdjango.deploy import *
 
 env.project_name = 'edumed'
diff --git a/forum/forms.py b/forum/forms.py
index 9e931db..37c9b35 100644
--- a/forum/forms.py
+++ b/forum/forms.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from django import forms
 from django.forms.models import ModelChoiceIterator
 from django.utils.translation import ugettext as _
@@ -15,7 +16,7 @@ class GroupedModelChoiceIterator(ModelChoiceIterator):
     def choice(self, obj):
         items_query = self.items_queryset.filter(**{self.field.grouping_fk_field: obj})
         items = [super(GroupedModelChoiceIterator, self).choice(item) for item in items_query.all()]
-        return (unicode(obj), items)
+        return unicode(obj), items
 
 
 class GroupedModelChoiceField(forms.ModelChoiceField):
@@ -35,5 +36,6 @@ class GroupedModelChoiceField(forms.ModelChoiceField):
 
 
 class PostForm(pybb.forms.PostForm):
-    lesson = GroupedModelChoiceField(label = _('Related lesson'), queryset = Lesson.objects.all(),
-        grouping_fk_field = 'section', required = False)
+    lesson = GroupedModelChoiceField(
+        label=_('Related lesson'), queryset=Lesson.objects.all(),
+        grouping_fk_field='section', required=False)
diff --git a/forum/middleware.py b/forum/middleware.py
index fb0a605..1b6e26b 100644
--- a/forum/middleware.py
+++ b/forum/middleware.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from urllib import urlencode
 
 from django.contrib.auth import REDIRECT_FIELD_NAME
@@ -6,9 +7,10 @@ from django.core.urlresolvers import reverse
 from django_cas.views import login as cas_login
 
 
-class ForumMiddleware:
-    def process_request(self, request):
+class ForumMiddleware(object):
+    @staticmethod
+    def process_request(request):
         if request.path.startswith(reverse('pybb:index')) \
-            and (not hasattr(request, 'user') or not request.user.is_authenticated()):
+                and (not hasattr(request, 'user') or not request.user.is_authenticated()):
             params = urlencode({REDIRECT_FIELD_NAME: request.get_full_path()})
             return HttpResponseRedirect(reverse(cas_login) + '?' + params)
diff --git a/forum/models.py b/forum/models.py
index 7a9c359..5ec506b 100644
--- a/forum/models.py
+++ b/forum/models.py
@@ -1,5 +1,5 @@
+# -*- coding: utf-8 -*-
 from django.db import models
-from django.db.models.signals import post_save
 
 import pybb.models
 
@@ -7,6 +7,5 @@ from catalogue.models import Lesson
 
 
 class Topic(models.Model):
-    pybb_topic = models.OneToOneField(pybb.models.Topic, primary_key = True, related_name = 'edumed_topic')
-    lesson = models.ForeignKey(Lesson, null = True, blank = True, related_name = 'forum_topics')
-    
\ No newline at end of file
+    pybb_topic = models.OneToOneField(pybb.models.Topic, primary_key=True, related_name='edumed_topic')
+    lesson = models.ForeignKey(Lesson, null=True, blank=True, related_name='forum_topics')
diff --git a/forum/search_indexes.py b/forum/search_indexes.py
index 5add363..0a3f413 100644
--- a/forum/search_indexes.py
+++ b/forum/search_indexes.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from haystack import indexes
 from pybb.models import Post
 
diff --git a/forum/urls.py b/forum/urls.py
index 309e9a7..c669808 100644
--- a/forum/urls.py
+++ b/forum/urls.py
@@ -1,4 +1,5 @@
-from django.conf.urls import patterns, include, url
+# -*- coding: utf-8 -*-
+from django.conf.urls import patterns, url
 from haystack.query import SearchQuerySet
 from haystack.views import SearchView, search_view_factory
 from haystack.forms import SearchForm
@@ -7,17 +8,19 @@ from pybb.models import Post
 from .views import AddPostView, EditPostView
 
 
-urlpatterns = patterns('',
+urlpatterns = patterns(
+    '',
     url(r'^forum/(?P<forum_id>\d+)/topic/add/$', AddPostView.as_view()),
     url(r'^post/(?P<pk>\d+)/edit/$', EditPostView.as_view()),
 )
 
 PostsSearchQuerySet = SearchQuerySet().models(Post).highlight()
 
-urlpatterns += patterns('haystack.views',
+urlpatterns += patterns(
+    'haystack.views',
     url(r'^szukaj/$', search_view_factory(
-        view_class = SearchView,
-        template = 'forum/search_results.html',
-        searchqueryset = PostsSearchQuerySet,
-        form_class = SearchForm
-    ), name='forum_search'))
\ No newline at end of file
+        view_class=SearchView,
+        template='forum/search_results.html',
+        searchqueryset=PostsSearchQuerySet,
+        form_class=SearchForm
+    ), name='forum_search'))
diff --git a/forum/views.py b/forum/views.py
index 41b7eb8..6750d99 100644
--- a/forum/views.py
+++ b/forum/views.py
@@ -1,9 +1,8 @@
+# -*- coding: utf-8 -*-
 from django.core.exceptions import ObjectDoesNotExist
 import pybb.views
 import pybb.forms
 
-from catalogue.models import Lesson
-
 from .forms import PostForm
 from .models import Topic
 
@@ -21,7 +20,7 @@ class PostEditMixin(pybb.views.PostEditMixin):
 
         pybb_post = self.object
         pybb_topic = pybb_post.topic
-        topic, topic_created = Topic.objects.get_or_create(pybb_topic = pybb_topic)
+        topic, topic_created = Topic.objects.get_or_create(pybb_topic=pybb_topic)
 
         if pybb_post == pybb_topic.head:
             topic.lesson = form.cleaned_data['lesson']
diff --git a/lib/librarian b/lib/librarian
index 0c0cedf..63cfa40 160000
--- a/lib/librarian
+++ b/lib/librarian
@@ -1 +1 @@
-Subproject commit 0c0cedf9c06fb93e1ba187efcf48d81c028f37a4
+Subproject commit 63cfa40372a9d33c84c0e4b61ed505173c780eae
diff --git a/publishers/admin.py b/publishers/admin.py
index 5e2cf36..95bd7ab 100644
--- a/publishers/admin.py
+++ b/publishers/admin.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from django.contrib import admin
 from .models import Publisher
 
diff --git a/publishers/models.py b/publishers/models.py
index 10d1947..14ed63a 100644
--- a/publishers/models.py
+++ b/publishers/models.py
@@ -1,5 +1,7 @@
+# -*- coding: utf-8 -*-
 from django.db import models
 
+
 class Publisher(models.Model):
     name = models.CharField(max_length=255)
     logo = models.ImageField(upload_to='publishers/logo')
diff --git a/wtem/admin.py b/wtem/admin.py
index 78ca9b9..56a687d 100644
--- a/wtem/admin.py
+++ b/wtem/admin.py
@@ -1,24 +1,22 @@
 # -*- coding: utf-8 -*-
+import json
 
-import os
-
-from django.contrib import admin
 from django import forms
-from django.utils import simplejson
-from django.utils.safestring import mark_safe
-from django.core.urlresolvers import reverse
 from django.conf.urls import url, patterns
-from django.shortcuts import render
+from django.contrib import admin
 from django.contrib.auth.models import User
+from django.core.urlresolvers import reverse
 from django.http import HttpResponse
 from django.template.loader import render_to_string
-from .models import Submission, Assignment, Attachment, exercises
+from django.utils.safestring import mark_safe
+
 from .middleware import get_current_request
+from .models import Submission, Assignment, Attachment, exercises
 
 
 def get_user_exercises(user):
     try:
-        assignment = Assignment.objects.get(user = user)
+        assignment = Assignment.objects.get(user=user)
         return [e for e in exercises if e['id'] in assignment.exercises]
     except Assignment.DoesNotExist:
         return []
@@ -26,6 +24,7 @@ def get_user_exercises(user):
 
 readonly_fields = ('submitted_by', 'first_name', 'last_name', 'email', 'key', 'key_sent')
 
+
 class AttachmentWidget(forms.Widget):
     def render(self, name, value, *args, **kwargs):
         if value:
@@ -34,6 +33,7 @@ class AttachmentWidget(forms.Widget):
             a_tag = 'brak'
         return mark_safe(('<input type="hidden" name="%s" value="%s"/>' % (name, value)) + a_tag)
 
+
 class TextareaWithLinks(forms.Textarea):
     def render(self, name, value, *args, **kwargs):
         t, links = value
@@ -45,6 +45,7 @@ class TextareaWithLinks(forms.Textarea):
         output += mark_safe(moreoutput + "</div>")
         return output
 
+
 class SubmissionFormBase(forms.ModelForm):
     class Meta:
         model = Submission
@@ -68,7 +69,7 @@ def get_open_answer(answers, exercise):
         else:
             toret = answer
     if exercise['type'] == 'edumed_wybor':
-        ok = set(map(str, exercise['answer'])) == set(map(str,answer['closed_part']))
+        ok = set(map(str, exercise['answer'])) == set(map(str, answer['closed_part']))
         toret = u'Czesc testowa [%s]:\n' % ('poprawna' if ok else 'niepoprawna')
         if len(answer['closed_part']):
             for selected in answer['closed_part']:
@@ -84,8 +85,8 @@ def get_open_answer(answers, exercise):
 
 def get_form(request, submission):
     fields = dict()
-    if submission.answers:
-        answers = simplejson.loads(submission.answers)
+    if submission and submission.answers:
+        answers = json.loads(submission.answers)
         user_exercises = get_user_exercises(request.user)
         for exercise in exercises:
             if exercise not in user_exercises:
@@ -96,14 +97,14 @@ def get_form(request, submission):
             if exercise['type'] in ('open', 'file_upload') or exercise.get('open_part', None):
                 if exercise['type'] == 'file_upload':
                     try:
-                        attachment = Attachment.objects.get(submission = submission, exercise_id = exercise['id'])
+                        attachment = Attachment.objects.get(submission=submission, exercise_id=exercise['id'])
                     except Attachment.DoesNotExist:
                         attachment = None
                     widget = AttachmentWidget
                     initial = attachment.file.url if attachment else None
                 else:
-                    #widget = forms.Textarea(attrs={'readonly':True})
-                    widget = TextareaWithLinks(attrs={'readonly':True})
+                    # widget = forms.Textarea(attrs={'readonly':True})
+                    widget = TextareaWithLinks(attrs={'readonly': True})
                     links = []
                     qfiles = []
                     for qfield in exercise.get('fields', []):
@@ -121,21 +122,21 @@ def get_form(request, submission):
                     initial = get_open_answer(answers, exercise), links
 
                 fields[answer_field_name] = forms.CharField(
-                        widget = widget,
-                        initial = initial,
-                        label = u'Rozwiązanie zadania %s' % exercise['id'],
-                        required = False
+                    widget=widget,
+                    initial=initial,
+                    label=u'Rozwiązanie zadania %s' % exercise['id'],
+                    required=False
                 )
 
-                choices = [(None, '-')] # + [(i,i) for i in range(exercise['max_points']+1)],
+                choices = [(None, '-')]  # + [(i,i) for i in range(exercise['max_points']+1)],
                 i = 0
                 while i <= exercise['max_points']:
                     choices.append((i, i))
                     i += .5
                 fields[mark_field_name] = forms.ChoiceField(
-                    choices = choices,
-                    initial = submission.get_mark(user_id = request.user.id, exercise_id = exercise['id']),
-                    label = u'Twoja ocena zadania %s' % exercise['id']
+                    choices=choices,
+                    initial=submission.get_mark(user_id=request.user.id, exercise_id=exercise['id']),
+                    label=u'Twoja ocena zadania %s' % exercise['id']
                 )
 
     if not request.user.is_superuser:
@@ -151,27 +152,30 @@ class SubmissionAdmin(admin.ModelAdmin):
     list_display = ('__unicode__', 'todo', 'examiners_repr')
     readonly_fields = readonly_fields
 
-    def get_form(self, request, obj, **kwargs):
+    def get_form(self, request, obj=None, **kwargs):
         return get_form(request, obj)
-    
-    def submitted_by(self, instance):
+
+    @staticmethod
+    def submitted_by(instance):
         if instance.contact:
             return '<a href="%s">%s</a>' % (
-                reverse('admin:contact_contact_change', args = [instance.contact.id]),
+                reverse('admin:contact_contact_change', args=[instance.contact.id]),
                 instance.contact.contact
             )
         return '-'
     submitted_by.allow_tags = True
     submitted_by.short_description = "Zgłoszony/a przez"
 
-    def todo(self, submission):
+    @staticmethod
+    def todo(submission):
         user = get_current_request().user
         user_exercises = get_user_exercises(user)
         user_marks = submission.marks.get(str(user.id), {})
         return ','.join([str(e['id']) for e in user_exercises if str(e['id']) not in user_marks.keys()])
     todo.short_description = 'Twoje nieocenione zadania'
 
-    def examiners_repr(self, submission):
+    @staticmethod
+    def examiners_repr(submission):
         return ', '.join([u.username for u in submission.examiners.all()])
     examiners_repr.short_description = 'Przypisani do zgłoszenia'
 
@@ -181,32 +185,33 @@ class SubmissionAdmin(admin.ModelAdmin):
                 parts = name.split('_')
                 exercise_id = parts[1]
                 user_id = parts[3]
-                submission.set_mark(user_id = user_id, exercise_id = exercise_id, mark = value)
+                submission.set_mark(user_id=user_id, exercise_id=exercise_id, mark=value)
         submission.save()
 
     def changelist_view(self, request, extra_context=None):
-        context = dict(examiners = [])
+        context = dict(examiners=[])
         assignments = Assignment.objects.all()
         if not request.user.is_superuser:
-            assignments = assignments.filter(user = request.user)
+            assignments = assignments.filter(user=request.user)
         for assignment in assignments:
-            examiner = dict(name = assignment.user.username, todo = 0)
-            for submission in Submission.objects.filter(examiners = assignment.user):
+            examiner = dict(name=assignment.user.username, todo=0)
+            for submission in Submission.objects.filter(examiners=assignment.user):
                 for exercise_id in assignment.exercises:
-                    if submission.get_mark(user_id = assignment.user.id, exercise_id = exercise_id) is None:
+                    if submission.get_mark(user_id=assignment.user.id, exercise_id=exercise_id) is None:
                         examiner['todo'] += 1
             context['examiners'].append(examiner)
-        return super(SubmissionAdmin, self).changelist_view(request, extra_context = context)
+        return super(SubmissionAdmin, self).changelist_view(request, extra_context=context)
 
     def queryset(self, request):
         qs = super(SubmissionAdmin, self).queryset(request)
         if not request.user.is_superuser:
-            qs = qs.filter(examiners = request.user)
+            qs = qs.filter(examiners=request.user)
         return qs
 
     def get_urls(self):
         urls = super(SubmissionAdmin, self).get_urls()
-        return patterns('',
+        return patterns(
+            '',
             url(r'^report/$', self.admin_site.admin_view(report_view), name='wtem_admin_report')
         ) + super(SubmissionAdmin, self).get_urls()
 
@@ -214,23 +219,22 @@ class SubmissionAdmin(admin.ModelAdmin):
 class SubmissionsSet:
     def __init__(self, submissions):
         self.submissions = submissions
-        self.examiners_by_exercise = dict()
+        self.examiners_by_exercise = {}
         for submission in submissions:
             for user_id, marks in submission.marks.items():
                 user = User.objects.get(pk=user_id)
                 for exercise_id in marks.keys():
                     examiners = self.examiners_by_exercise.setdefault(exercise_id, [])
-                    if not user in examiners:
+                    if user not in examiners:
                         examiners.append(user)
 
+
 def report_view(request):
-    submissions = sorted(Submission.objects.all(), key = lambda s: -s.final_result)
-    toret = render_to_string('wtem/admin_report.csv', dict(
-        submissionsSet = SubmissionsSet(submissions),
-        #exercise_ids = map(str, range(1,len(exercises)+1))
-        exercise_ids = [str(e['id']) for e in exercises]
-    ))
-    response = HttpResponse(toret, content_type = 'text/csv')
+    submissions = sorted(Submission.objects.all(), key=lambda s: -s.final_result)
+    toret = render_to_string('wtem/admin_report.csv', {
+        'submissionsSet': SubmissionsSet(submissions),
+        'exercise_ids': [str(e['id']) for e in exercises]})
+    response = HttpResponse(toret, content_type='text/csv')
     response['Content-Disposition'] = 'attachment; filename="wyniki.csv"'
     return response
 
diff --git a/wtem/forms.py b/wtem/forms.py
index 504fd26..ae406a3 100644
--- a/wtem/forms.py
+++ b/wtem/forms.py
@@ -1,8 +1,7 @@
-import os
+# -*- coding: utf-8 -*-
 import re
 
 from django import forms
-from django.utils import simplejson
 
 from .models import Submission, Attachment, exercises
 
@@ -17,18 +16,17 @@ class WTEMForm(forms.ModelForm):
         for exercise in exercises:
             if exercise['type'] != 'file_upload':
                 continue
-            self.fields['attachment_for_' + str(exercise['id'])] = forms.FileField(required = False)
+            self.fields['attachment_for_' + str(exercise['id'])] = forms.FileField(required=False)
 
     def save(self, commit=True):
         submission = super(WTEMForm, self).save(commit=commit)
-        for name, file in self.files.items():
+        for name, attachment_file in self.files.items():
             m = re.match(r'attachment_for_(\d+)(?:__(.*))?', name)
             exercise_id = int(m.group(1))
             tag = m.group(2) or None
             try:
-                attachment = Attachment.objects.get(submission = submission, exercise_id = exercise_id, tag=tag)
+                attachment = Attachment.objects.get(submission=submission, exercise_id=exercise_id, tag=tag)
             except Attachment.DoesNotExist:
-                attachment = Attachment(submission = submission, exercise_id = exercise_id, tag=tag)
-            attachment.file = file
+                attachment = Attachment(submission=submission, exercise_id=exercise_id, tag=tag)
+            attachment.file = attachment_file
             attachment.save()
-
diff --git a/wtem/management/commands/wtem_assign_submissions.py b/wtem/management/commands/wtem_assign_submissions.py
index 7ff1af2..dcf0466 100644
--- a/wtem/management/commands/wtem_assign_submissions.py
+++ b/wtem/management/commands/wtem_assign_submissions.py
@@ -1,22 +1,24 @@
+# -*- coding: utf-8 -*-
 from optparse import make_option
 
-from django.core.management.base import BaseCommand, CommandError
+from django.core.management.base import BaseCommand
 from django.db.models import Count
 from django.contrib.auth.models import User
 
-from contact.models import Contact
 from wtem.models import Submission, Attachment
 
 
 class Command(BaseCommand):
 
     option_list = BaseCommand.option_list + (
-        make_option('--with-attachments-only',
+        make_option(
+            '--with-attachments-only',
             action='store_true',
             dest='attachments_only',
             default=False,
             help='Take into account only submissions with attachments'),
-        make_option('--without-attachments-only',
+        make_option(
+            '--without-attachments-only',
             action='store_true',
             dest='no_attachments_only',
             default=False,
@@ -29,16 +31,16 @@ class Command(BaseCommand):
         limit_to = int(args[1])
         examiner_names = args[2:]
 
-        users = User.objects.filter(username__in = examiner_names)
-        submissions_query = Submission.objects.annotate(examiners_count = Count('examiners'))
+        users = User.objects.filter(username__in=examiner_names)
+        all_submissions = Submission.objects.annotate(examiners_count=Count('examiners'))
+
+        submissions = all_submissions.exclude(answers=None)
 
-        submissions = submissions_query.exclude(answers = None)
-        
         with_attachment_ids = Attachment.objects.values_list('submission_id', flat=True).all()
         if options['attachments_only']:
-            submissions = submissions.filter(id__in = with_attachment_ids)
+            submissions = submissions.filter(id__in=with_attachment_ids)
         if options['no_attachments_only']:
-            submissions = submissions.exclude(id__in = with_attachment_ids)
+            submissions = submissions.exclude(id__in=with_attachment_ids)
 
         for submission in submissions.order_by('id')[limit_from:limit_to]:
             submission.examiners.add(*users)
@@ -46,7 +48,7 @@ class Command(BaseCommand):
             self.stdout.write('added to %s:%s' % (submission.id, submission.email))
 
         count_by_examiners = dict()
-        for submission in submissions_query.all():
+        for submission in all_submissions.all():
             count_by_examiners[submission.examiners_count] = \
                 count_by_examiners.get(submission.examiners_count, 0) + 1
         self.stdout.write('%s' % count_by_examiners)
diff --git a/wtem/management/commands/wtem_email_teachers.py b/wtem/management/commands/wtem_email_teachers.py
index e0986f8..9b5e5e9 100644
--- a/wtem/management/commands/wtem_email_teachers.py
+++ b/wtem/management/commands/wtem_email_teachers.py
@@ -1,14 +1,10 @@
 # -*- coding: utf-8 -*-
 
-import sys
-from optparse import make_option
-
-from django.core.management.base import BaseCommand, CommandError
-from django.conf import settings
-from wtem.management.commands import send_mail
+from django.core.management.base import BaseCommand
 from django.template.loader import render_to_string
 
 from contact.models import Contact
+from wtem.management.commands import send_mail
 
 
 class Command(BaseCommand):
@@ -16,12 +12,13 @@ class Command(BaseCommand):
         sent = 0
         failed = 0
 
-        query = Contact.objects.filter(form_tag = 'wtem').order_by('contact').distinct('contact')
+        query = Contact.objects.filter(form_tag='wtem').order_by('contact').distinct('contact')
         template_name = args[0]
         message = render_to_string('wtem/' + template_name + '.txt')
         subject = render_to_string('wtem/' + template_name + '_subject.txt')
         
-        answer = raw_input('Send the following to %d teachers with subject "%s"\n\n %s\n\n?' % \
+        answer = raw_input(
+            'Send the following to %d teachers with subject "%s"\n\n %s\n\n?' %
             (query.count(), subject.encode('utf8'), message.encode('utf8')))
 
         if answer == 'yes':
@@ -39,9 +36,5 @@ class Command(BaseCommand):
 
     def send_message(self, message, subject, email):
         self.stdout.write('>>> sending to %s' % email)
-        send_mail(
-            subject = subject,
-            body = message,
-            to = [email]
-        )
+        send_mail(subject=subject, body=message, to=[email])
 
diff --git a/wtem/management/commands/wtem_send_results.py b/wtem/management/commands/wtem_send_results.py
index c443ed1..fdc539c 100644
--- a/wtem/management/commands/wtem_send_results.py
+++ b/wtem/management/commands/wtem_send_results.py
@@ -3,7 +3,6 @@
 from optparse import make_option
 
 from django.core.management.base import BaseCommand
-from django.conf import settings
 from wtem.management.commands import send_mail
 from django.utils import translation
 from django.template.loader import render_to_string
@@ -13,24 +12,28 @@ from wtem.models import Submission
 
 
 def get_submissions():
-    return sorted(Submission.objects.exclude(answers = None).all(), key=lambda s: -s.final_result)
+    return sorted(Submission.objects.exclude(answers=None).all(), key=lambda s: -s.final_result)
 
 minimum = 55
 
+
 class Command(BaseCommand):
 
     option_list = BaseCommand.option_list + (
-        make_option('--to-teachers',
+        make_option(
+            '--to-teachers',
             action='store_true',
             dest='to_teachers',
             default=False,
             help='Send emails to teachers'),
-        make_option('--to-students',
+        make_option(
+            '--to-students',
             action='store_true',
             dest='to_students',
             default=False,
             help='Send emails to students'),
-        make_option('--only-to',
+        make_option(
+            '--only-to',
             action='store',
             dest='only_to',
             default=None,
@@ -57,7 +60,7 @@ class Command(BaseCommand):
                 template = 'results_student_failed.txt'
             else:
                 template = 'results_student_passed.txt'
-            message = render_to_string('wtem/' + template, dict(final_result = submission.final_result))
+            message = render_to_string('wtem/' + template, dict(final_result=submission.final_result))
             self.send_message(message, subject, submission.email)
 
         self.sum_up()
@@ -76,7 +79,7 @@ class Command(BaseCommand):
 
         for contact_id, submissions in submissions_by_contact.items():
             contact = Contact.objects.get(id=contact_id)
-            message = render_to_string('wtem/results_teacher.txt', dict(submissions = submissions))
+            message = render_to_string('wtem/results_teacher.txt', dict(submissions=submissions))
             self.send_message(message, subject, contact.contact)
 
         self.sum_up()
@@ -87,16 +90,10 @@ class Command(BaseCommand):
     def send_message(self, message, subject, email):
         self.stdout.write('>>> sending results to %s' % email)
         try:
-            send_mail(
-                subject = subject,
-                body = message,
-                to = [email]
-            )
+            send_mail(subject=subject, body=message, to=[email])
         except BaseException, e:
             self.failed += 1
             self.stdout.write('failed sending to: ' + email + ': ' + str(e))
         else:
             self.sent += 1
             self.stdout.write('message sent to: ' + email)
-
-
diff --git a/wtem/management/commands/wtem_send_results_csv.py b/wtem/management/commands/wtem_send_results_csv.py
index 0d15c17..a9d6e9a 100644
--- a/wtem/management/commands/wtem_send_results_csv.py
+++ b/wtem/management/commands/wtem_send_results_csv.py
@@ -3,35 +3,37 @@
 from optparse import make_option
 
 from django.core.management.base import BaseCommand
-from django.conf import settings
-from wtem.management.commands import send_mail
-from django.utils import translation
 from django.template.loader import render_to_string
+from django.utils import translation
 
-from contact.models import Contact
+from wtem.management.commands import send_mail
 from wtem.models import Submission
 
 
 def get_submissions():
-    return sorted(Submission.objects.exclude(answers = None).all(), key=lambda s: -s.final_result)
+    return sorted(Submission.objects.exclude(answers=None).all(), key=lambda s: -s.final_result)
 
 minimum = 55
 
+
 class Command(BaseCommand):
     args = 'csv_filename'
 
     option_list = BaseCommand.option_list + (
-        make_option('--to-teachers',
+        make_option(
+            '--to-teachers',
             action='store_true',
             dest='to_teachers',
             default=False,
             help='Send emails to teachers'),
-        make_option('--to-students',
+        make_option(
+            '--to-students',
             action='store_true',
             dest='to_students',
             default=False,
             help='Send emails to students'),
-        make_option('--only-to',
+        make_option(
+            '--only-to',
             action='store',
             dest='only_to',
             default=None,
@@ -67,11 +69,11 @@ class Command(BaseCommand):
     def handle_to_teachers(self, *args, **options):
         self.stdout.write('>>> Sending results to teachers')
         subject = 'Wyniki I etapu Wielkiego Turnieju Edukacji Medialnej'
-        failed = sent = 0
 
         submissions_by_contact = dict()
 
         from decimal import Decimal, InvalidOperation
+
         def dec_or_0(s):
             try:
                 return Decimal(s)
@@ -89,7 +91,7 @@ class Command(BaseCommand):
 
         for email, submissions in submissions_by_contact.items():
             # contact = Contact.objects.get(id=contact_id)
-            message = render_to_string('wtem/results_teacher.txt', dict(submissions = submissions))
+            message = render_to_string('wtem/results_teacher.txt', dict(submissions=submissions))
             self.send_message(message, subject, email)
 
         self.sum_up()
@@ -100,16 +102,10 @@ class Command(BaseCommand):
     def send_message(self, message, subject, email):
         self.stdout.write('>>> sending results to %s' % email)
         try:
-            send_mail(
-                subject = subject,
-                body = message,
-                to = [email]
-            )
+            send_mail(subject=subject, body=message, to=[email])
         except BaseException, e:
             self.failed += 1
             self.stdout.write('failed sending to: ' + email + ': ' + str(e))
         else:
             self.sent += 1
             self.stdout.write('message sent to: ' + email)
-
-
diff --git a/wtem/middleware.py b/wtem/middleware.py
index d9bd308..eb26e41 100644
--- a/wtem/middleware.py
+++ b/wtem/middleware.py
@@ -1,15 +1,15 @@
-try:
-    from threading import local
-except ImportError:
-    from django.utils._threading_local import local
+# -*- coding: utf-8 -*-
+from threading import local
 
 
 _thread_locals = local()
 
+
 def get_current_request():
     return getattr(_thread_locals, 'request', None)
 
 
-class ThreadLocalMiddleware:
-    def process_request(self, request):
-        _thread_locals.request = request
\ No newline at end of file
+class ThreadLocalMiddleware(object):
+    @staticmethod
+    def process_request(request):
+        _thread_locals.request = request
diff --git a/wtem/templatetags/wtem_csv.py b/wtem/templatetags/wtem_csv.py
index 2c96704..028836c 100644
--- a/wtem/templatetags/wtem_csv.py
+++ b/wtem/templatetags/wtem_csv.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from django import template
 
 register = template.Library()
@@ -12,6 +13,7 @@ def csv_header(exercise_id, submissionSet):
         toret += ',' + examiners_string
     return toret
 
+
 @register.simple_tag
 def csv_row_fragment(exercise_id, submission, submissionSet):
     final_mark = submission.get_final_exercise_mark(exercise_id)
diff --git a/wtem/urls.py b/wtem/urls.py
index 51a7618..3e96c2e 100644
--- a/wtem/urls.py
+++ b/wtem/urls.py
@@ -2,7 +2,8 @@
 from django.conf.urls import patterns, url
 from .views import form, form_during
 
-urlpatterns = patterns('',
+urlpatterns = patterns(
+    '',
     url(r'^_test/(?P<key>.*)/$', form_during),
     url(r'^(?P<key>.*)/$', form, name='wtem_form')
 )