Cleaning up pep8 violations

cms/djangoapps/contentstore/tests/__init__.py

-

cms/djangoapps/contentstore/tests/tests.py

@@ -19,10 +19,12 @@ def user(email):
     '''look up a user by email'''
     return User.objects.get(email=email)
 
+
 def registration(email):
     '''look up registration object by email'''
     return Registration.objects.get(user__email=email)
 
+
 class AuthTestCase(TestCase):
     """Check that various permissions-related things work"""
 
@@ -36,7 +38,7 @@ class AuthTestCase(TestCase):
         resp = self.client.get(url)
         self.assertEqual(resp.status_code, expected)
         return resp
-        
+
     def test_public_pages_load(self):
         """Make sure pages that don't require login load without error."""
         pages = (
@@ -60,11 +62,11 @@ class AuthTestCase(TestCase):
             'username': username,
             'email': email,
             'password': pw,
-            'location' : 'home',
-            'language' : 'Franglish',
-            'name' : 'Fred Weasley',
-            'terms_of_service' : 'true',
-            'honor_code' : 'true',
+            'location': 'home',
+            'language': 'Franglish',
+            'name': 'Fred Weasley',
+            'terms_of_service': 'true',
+            'honor_code': 'true',
         })
         return resp
 
@@ -99,7 +101,6 @@ class AuthTestCase(TestCase):
         self.create_account(self.username, self.email, self.pw)
         self.activate_user(self.email)
 
-
     def _login(self, email, pw):
         '''Login.  View should always return 200.  The success/fail is in the
         returned json'''
@@ -108,7 +109,6 @@ class AuthTestCase(TestCase):
         self.assertEqual(resp.status_code, 200)
         return resp
 
-
     def login(self, email, pw):
         '''Login, check that it worked.'''
         resp = self._login(self.email, self.pw)
@@ -162,7 +162,6 @@ class AuthTestCase(TestCase):
         for page in simple_auth_pages:
             print "Checking '{0}'".format(page)
             self.check_page_get(page, expected=200)
-        
 
     def test_index_auth(self):
 

cms/djangoapps/github_sync/__init__.py

@@ -58,7 +58,7 @@ def export_to_github(course, commit_message, author_str=None):
             git_repo.git.commit(m=commit_message, author=author_str)
         else:
             git_repo.git.commit(m=commit_message)
-        
+
         origin = git_repo.remotes.origin
         if settings.MITX_FEATURES['GITHUB_PUSH']:
             push_infos = origin.push()

cms/djangoapps/github_sync/tests/test_views.py

@@ -50,4 +50,3 @@ class PostReceiveTestCase(TestCase):
         import_from_github.assert_called_with(settings.REPOS['repo'])
         mock_revision, mock_course = import_from_github.return_value
         export_to_github.assert_called_with(mock_course, 'path', "Changes from cms import of revision %s" % mock_revision)
-

common/djangoapps/cache_toolbox/core.py

@@ -13,6 +13,7 @@ from django.db import DEFAULT_DB_ALIAS
 
 from . import app_settings
 
+
 def get_instance(model, instance_or_pk, timeout=None, using=None):
     """
     Returns the ``model`` instance with a primary key of ``instance_or_pk``.
@@ -87,6 +88,7 @@ def get_instance(model, instance_or_pk, timeout=None, using=None):
 
     return instance
 
+
 def delete_instance(model, *instance_or_pk):
     """
     Purges the cache keys for the instances of this model.
@@ -94,6 +96,7 @@ def delete_instance(model, *instance_or_pk):
 
     cache.delete_many([instance_key(model, x) for x in instance_or_pk])
 
+
 def instance_key(model, instance_or_pk):
     """
     Returns the cache key for this (model, instance) pair.

common/djangoapps/cache_toolbox/middleware.py

@@ -84,6 +84,7 @@ from django.contrib.auth.middleware import AuthenticationMiddleware
 
 from .model import cache_model
 
+
 class CacheBackedAuthenticationMiddleware(AuthenticationMiddleware):
     def __init__(self):
         cache_model(User)

common/djangoapps/cache_toolbox/model.py

@@ -58,6 +58,7 @@ from django.db.models.signals import post_save, post_delete
 
 from .core import get_instance, delete_instance
 
+
 def cache_model(model, timeout=None):
     if hasattr(model, 'get_cached'):
         # Already patched

common/djangoapps/cache_toolbox/relation.py

@@ -74,6 +74,7 @@ from django.db.models.signals import post_save, post_delete
 
 from .core import get_instance, delete_instance
 
+
 def cache_relation(descriptor, timeout=None):
     rel = descriptor.related
     related_name = '%s_cache' % rel.field.related_query_name()

common/djangoapps/cache_toolbox/templatetags/cache_toolbox.py

@@ -5,6 +5,7 @@ from django.template import resolve_variable
 
 register = template.Library()
 
+
 class CacheNode(Node):
     def __init__(self, nodelist, expire_time, key):
         self.nodelist = nodelist
@@ -21,6 +22,7 @@ class CacheNode(Node):
             cache.set(key, value, expire_time)
         return value
 
+
 @register.tag
 def cachedeterministic(parser, token):
     """
@@ -42,6 +44,7 @@ def cachedeterministic(parser, token):
         raise TemplateSyntaxError(u"'%r' tag requires 2 arguments." % tokens[0])
     return CacheNode(nodelist, tokens[1], tokens[2])
 
+
 class ShowIfCachedNode(Node):
     def __init__(self, key):
         self.key = key
@@ -50,6 +53,7 @@ class ShowIfCachedNode(Node):
         key = resolve_variable(self.key, context)
         return cache.get(key) or ''
 
+
 @register.tag
 def showifcached(parser, token):
     """

common/djangoapps/django_future/csrf.py

@@ -60,6 +60,7 @@ def csrf_response_exempt(view_func):
                   PendingDeprecationWarning)
     return view_func
 
+
 def csrf_view_exempt(view_func):
     """
     Marks a view function as being exempt from CSRF view protection.
@@ -68,6 +69,7 @@ def csrf_view_exempt(view_func):
                   PendingDeprecationWarning)
     return csrf_exempt(view_func)
 
+
 def csrf_exempt(view_func):
     """
     Marks a view function as being exempt from the CSRF view protection.

common/djangoapps/pipeline_mako/__init__.py

@@ -6,6 +6,7 @@ from pipeline.conf import settings
 from pipeline.packager import Packager
 from pipeline.utils import guess_type
 
+
 def compressed_css(package_name):
     package = settings.PIPELINE_CSS.get(package_name, {})
     if package:
@@ -20,6 +21,7 @@ def compressed_css(package_name):
         paths = packager.compile(package.paths)
         return render_individual_css(package, paths)
 
+
 def render_css(package, path):
     template_name = package.template_name or "mako/css.html"
     context = package.extra_context
@@ -29,6 +31,7 @@ def render_css(package, path):
     })
     return render_to_string(template_name, context)
 
+
 def render_individual_css(package, paths):
     tags = [render_css(package, path) for path in paths]
     return '\n'.join(tags)
@@ -49,6 +52,7 @@ def compressed_js(package_name):
         templates = packager.pack_templates(package)
         return render_individual_js(package, paths, templates)
 
+
 def render_js(package, path):
     template_name = package.template_name or "mako/js.html"
     context = package.extra_context
@@ -58,6 +62,7 @@ def render_js(package, path):
     })
     return render_to_string(template_name, context)
 
+
 def render_inline_js(package, js):
     context = package.extra_context
     context.update({
@@ -65,6 +70,7 @@ def render_inline_js(package, js):
     })
     return render_to_string("mako/inline_js.html", context)
 
+
 def render_individual_js(package, paths, templates=None):
     tags = [render_js(package, js) for js in paths]
     if templates:

common/djangoapps/student/admin.py

@@ -15,4 +15,3 @@ admin.site.register(CourseEnrollment)
 admin.site.register(Registration)
 
 admin.site.register(PendingNameChange)
-

common/djangoapps/student/management/commands/6002exportusers.py

@@ -25,27 +25,29 @@ import mitxmako.middleware as middleware
 
 middleware.MakoMiddleware()
 
+
 class Command(BaseCommand):
     help = \
-'''Exports all users and user profiles. 
+'''Exports all users and user profiles.
 Caveat: Should be looked over before any run
-for schema changes. 
+for schema changes.
 
-Current version grabs user_keys from 
+Current version grabs user_keys from
 django.contrib.auth.models.User and up_keys
 from student.userprofile. '''
+
     def handle(self, *args, **options):
         users = list(User.objects.all())
         user_profiles = list(UserProfile.objects.all())
         user_profile_dict = dict([(up.user_id, up) for up in user_profiles])
-    
+
         user_tuples = [(user_profile_dict[u.id], u) for u in users if u.id in user_profile_dict]
-    
-        user_keys = ['id', 'username', 'email', 'password', 'is_staff', 
-                     'is_active', 'is_superuser', 'last_login', 'date_joined', 
+
+        user_keys = ['id', 'username', 'email', 'password', 'is_staff',
+                     'is_active', 'is_superuser', 'last_login', 'date_joined',
                      'password']
-        up_keys = ['language', 'location','meta','name', 'id','user_id']
-        
+        up_keys = ['language', 'location', 'meta', 'name', 'id', 'user_id']
+
         def extract_dict(keys, object):
             d = {}
             for key in keys:

common/djangoapps/student/management/commands/6002importusers.py

@@ -22,6 +22,7 @@ import mitxmako.middleware as middleware
 
 middleware.MakoMiddleware()
 
+
 def import_user(u):
     user_info = u['u']
     up_info = u['up']
@@ -30,11 +31,10 @@ def import_user(u):
     user_info['last_login'] = dateutil.parser.parse(user_info['last_login'])
     user_info['date_joined'] = dateutil.parser.parse(user_info['date_joined'])
 
-    user_keys = ['id', 'username', 'email', 'password', 'is_staff', 
-                 'is_active', 'is_superuser', 'last_login', 'date_joined', 
+    user_keys = ['id', 'username', 'email', 'password', 'is_staff',
+                 'is_active', 'is_superuser', 'last_login', 'date_joined',
                  'password']
-    up_keys = ['language', 'location','meta','name', 'id','user_id']
-
+    up_keys = ['language', 'location', 'meta', 'name', 'id', 'user_id']
 
     u = User()
     for key in user_keys:
@@ -47,20 +47,22 @@ def import_user(u):
         up.__setattr__(key, up_info[key])
     up.save()
 
+
 class Command(BaseCommand):
     help = \
-'''Exports all users and user profiles. 
+'''Exports all users and user profiles.
 Caveat: Should be looked over before any run
-for schema changes. 
+for schema changes.
 
-Current version grabs user_keys from 
+Current version grabs user_keys from
 django.contrib.auth.models.User and up_keys
 from student.userprofile. '''
+
     def handle(self, *args, **options):
         extracted = json.load(open('transfer_users.txt'))
-        n=0
+        n = 0
         for u in extracted:
             import_user(u)
-            if n%100 == 0: 
+            if n % 100 == 0:
                 print n
-            n = n+1
+            n = n + 1

common/djangoapps/student/management/commands/assigngroups.py

@@ -17,29 +17,32 @@ import json
 
 middleware.MakoMiddleware()
 
+
 def group_from_value(groups, v):
     ''' Given group: (('a',0.3),('b',0.4),('c',0.3)) And random value
     in [0,1], return the associated group (in the above case, return
     'a' if v<0.3, 'b' if 0.3<=v<0.7, and 'c' if v>0.7
 '''
     sum = 0
-    for (g,p) in groups:
+    for (g, p) in groups:
         sum = sum + p
         if sum > v:
             return g
-    return g # For round-off errors
+    return g  # For round-off errors
+
 
 class Command(BaseCommand):
     help =  \
 ''' Assign users to test groups. Takes a list
-of groups: 
+of groups:
 a:0.3,b:0.4,c:0.3 file.txt "Testing something"
 Will assign each user to group a, b, or c with
-probability 0.3, 0.4, 0.3. Probabilities must 
-add up to 1. 
+probability 0.3, 0.4, 0.3. Probabilities must
+add up to 1.
 
 Will log what happened to file.txt.
 '''
+
     def handle(self, *args, **options):
         if len(args) != 3:
             print "Invalid number of options"
@@ -47,13 +50,13 @@ Will log what happened to file.txt.
 
         # Extract groups from string
         group_strs = [x.split(':') for x in args[0].split(',')]
-        groups = [(group,float(value)) for group,value in group_strs]
+        groups = [(group, float(value)) for group, value in group_strs]
         print "Groups", groups
 
         ## Confirm group probabilities add up to 1
         total = sum(zip(*groups)[1])
         print "Total:", total
-        if abs(total-1)>0.01:
+        if abs(total - 1) > 0.01:
             print "Total not 1"
             sys.exit(-1)
 
@@ -65,15 +68,15 @@ Will log what happened to file.txt.
 
         group_objects = {}
 
-        f = open(args[1],"a+")
+        f = open(args[1], "a+")
 
         ## Create groups
         for group in dict(groups):
             utg = UserTestGroup()
-            utg.name=group
-            utg.description = json.dumps({"description":args[2]}, 
-                                         {"time":datetime.datetime.utcnow().isoformat()})
-            group_objects[group]=utg
+            utg.name = group
+            utg.description = json.dumps({"description": args[2]},
+                                         {"time": datetime.datetime.utcnow().isoformat()})
+            group_objects[group] = utg
             group_objects[group].save()
 
         ## Assign groups
@@ -83,11 +86,11 @@ Will log what happened to file.txt.
             if count % 1000 == 0:
                 print count
             count = count + 1
-            v = random.uniform(0,1)
-            group = group_from_value(groups,v)
+            v = random.uniform(0, 1)
+            group = group_from_value(groups, v)
             group_objects[group].users.add(user)
-            f.write("Assigned user {name} ({id}) to {group}\n".format(name=user.username, 
-                                                                      id=user.id, 
+            f.write("Assigned user {name} ({id}) to {group}\n".format(name=user.username,
+                                                                      id=user.id,
                                                                       group=group))
 
         ## Save groups

common/djangoapps/student/management/commands/emaillist.py

@@ -10,9 +10,11 @@ import mitxmako.middleware as middleware
 
 middleware.MakoMiddleware()
 
+
 class Command(BaseCommand):
     help = \
 ''' Extract an e-mail list of all active students. '''
+
     def handle(self, *args, **options):
         #text = open(args[0]).read()
         #subject = open(args[1]).read()

common/djangoapps/student/management/commands/massemail.py

@@ -10,18 +10,20 @@ import mitxmako.middleware as middleware
 
 middleware.MakoMiddleware()
 
+
 class Command(BaseCommand):
     help = \
-'''Sends an e-mail to all users. Takes a single 
+'''Sends an e-mail to all users. Takes a single
 parameter -- name of e-mail template -- located
 in templates/email. Adds a .txt for the message
 body, and an _subject.txt for the subject. '''
+
     def handle(self, *args, **options):
         #text = open(args[0]).read()
         #subject = open(args[1]).read()
         users = User.objects.all()
-        text = middleware.lookup['main'].get_template('email/'+args[0]+".txt").render()
-        subject = middleware.lookup['main'].get_template('email/'+args[0]+"_subject.txt").render().strip()
+        text = middleware.lookup['main'].get_template('email/' + args[0] + ".txt").render()
+        subject = middleware.lookup['main'].get_template('email/' + args[0] + "_subject.txt").render().strip()
         for user in users:
             if user.is_active:
                 user.email_user(subject, text)

common/djangoapps/student/management/commands/massemailtxt.py

@@ -16,16 +16,18 @@ import datetime
 
 middleware.MakoMiddleware()
 
+
 def chunks(l, n):
     """ Yield successive n-sized chunks from l.
     """
     for i in xrange(0, len(l), n):
-        yield l[i:i+n]
+        yield l[i:i + n]
+
 
 class Command(BaseCommand):
     help = \
-'''Sends an e-mail to all users in a text file. 
-E.g. 
+'''Sends an e-mail to all users in a text file.
+E.g.
 manage.py userlist.txt message logfile.txt rate
 userlist.txt -- list of all users
 message -- prefix for template with message
@@ -35,28 +37,28 @@ rate -- messages per second
     log_file = None
 
     def hard_log(self, text):
-        self.log_file.write(datetime.datetime.utcnow().isoformat()+' -- '+text+'\n')
+        self.log_file.write(datetime.datetime.utcnow().isoformat() + ' -- ' + text + '\n')
 
     def handle(self, *args, **options):
         global log_file
         (user_file, message_base, logfilename, ratestr) = args
-        
+
         users = [u.strip() for u in open(user_file).readlines()]
 
-        message = middleware.lookup['main'].get_template('emails/'+message_base+"_body.txt").render()
-        subject = middleware.lookup['main'].get_template('emails/'+message_base+"_subject.txt").render().strip()
+        message = middleware.lookup['main'].get_template('emails/' + message_base + "_body.txt").render()
+        subject = middleware.lookup['main'].get_template('emails/' + message_base + "_subject.txt").render().strip()
         rate = int(ratestr)
-        
-        self.log_file = open(logfilename, "a+", buffering = 0)
 
-        i=0
+        self.log_file = open(logfilename, "a+", buffering=0)
+
+        i = 0
         for users in chunks(users, rate):
-            emails = [ (subject, message, settings.DEFAULT_FROM_EMAIL, [u]) for u in users ]
+            emails = [(subject, message, settings.DEFAULT_FROM_EMAIL, [u]) for u in users]
             self.hard_log(" ".join(users))
-            send_mass_mail( emails, fail_silently = False )
+            send_mass_mail(emails, fail_silently=False)
             time.sleep(1)
             print datetime.datetime.utcnow().isoformat(), i
-            i = i+len(users)
+            i = i + len(users)
             # Emergency interruptor
             if os.path.exists("/tmp/stopemails.txt"):
                 self.log_file.close()

common/djangoapps/student/management/commands/userinfo.py

@@ -13,26 +13,28 @@ from student.models import UserProfile
 
 middleware.MakoMiddleware()
 
+
 class Command(BaseCommand):
     help = \
-''' Extract full user information into a JSON file. 
+''' Extract full user information into a JSON file.
 Pass a single filename.'''
+
     def handle(self, *args, **options):
-        f = open(args[0],'w')
+        f = open(args[0], 'w')
         #text = open(args[0]).read()
         #subject = open(args[1]).read()
         users = User.objects.all()
 
         l = []
         for user in users:
-            up = UserProfile.objects.get(user = user)
-            d = { 'username':user.username,
-                  'email':user.email,
-                  'is_active':user.is_active,
-                  'joined':user.date_joined.isoformat(),
-                  'name':up.name,
-                  'language':up.language,
-                  'location':up.location}
+            up = UserProfile.objects.get(user=user)
+            d = {'username': user.username,
+                  'email': user.email,
+                  'is_active': user.is_active,
+                  'joined': user.date_joined.isoformat(),
+                  'name': up.name,
+                  'language': up.language,
+                  'location': up.location}
             l.append(d)
-        json.dump(l,f)
+        json.dump(l, f)
         f.close()

common/djangoapps/student/migrations/0001_initial.py

@@ -4,10 +4,11 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Adding model 'UserProfile'
         db.create_table('auth_userprofile', (
             ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
@@ -28,16 +29,14 @@ class Migration(SchemaMigration):
         ))
         db.send_create_signal('student', ['Registration'])
 
-
     def backwards(self, orm):
-        
+
         # Deleting model 'UserProfile'
         db.delete_table('auth_userprofile')
 
         # Deleting model 'Registration'
         db.delete_table('auth_registration')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

common/djangoapps/student/migrations/0002_text_to_varchar_and_indexes.py

@@ -4,10 +4,11 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Changing field 'UserProfile.name'
         db.alter_column('auth_userprofile', 'name', self.gf('django.db.models.fields.CharField')(max_length=255))
 
@@ -32,9 +33,8 @@ class Migration(SchemaMigration):
         # Adding index on 'UserProfile', fields ['location']
         db.create_index('auth_userprofile', ['location'])
 
-
     def backwards(self, orm):
-        
+
         # Removing index on 'UserProfile', fields ['location']
         db.delete_index('auth_userprofile', ['location'])
 
@@ -59,7 +59,6 @@ class Migration(SchemaMigration):
         # Changing field 'UserProfile.location'
         db.alter_column('auth_userprofile', 'location', self.gf('django.db.models.fields.TextField')())
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

common/djangoapps/student/migrations/0003_auto__add_usertestgroup.py

@@ -4,10 +4,11 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Adding model 'UserTestGroup'
         db.create_table('student_usertestgroup', (
             ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
@@ -24,16 +25,14 @@ class Migration(SchemaMigration):
         ))
         db.create_unique('student_usertestgroup_users', ['usertestgroup_id', 'user_id'])
 
-
     def backwards(self, orm):
-        
+
         # Deleting model 'UserTestGroup'
         db.delete_table('student_usertestgroup')
 
         # Removing M2M table for field users on 'UserTestGroup'
         db.delete_table('student_usertestgroup_users')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

common/djangoapps/student/migrations/0004_add_email_index.py

@@ -4,18 +4,17 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
         db.execute("create unique index email on auth_user (email)")
         pass
 
-
     def backwards(self, orm):
         db.execute("drop index email on auth_user")
         pass
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

common/djangoapps/student/migrations/0005_name_change.py

@@ -4,10 +4,11 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Adding model 'PendingEmailChange'
         db.create_table('student_pendingemailchange', (
             ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
@@ -29,9 +30,8 @@ class Migration(SchemaMigration):
         # Changing field 'UserProfile.user'
         db.alter_column('auth_userprofile', 'user_id', self.gf('django.db.models.fields.related.OneToOneField')(unique=True, to=orm['auth.User']))
 
-
     def backwards(self, orm):
-        
+
         # Deleting model 'PendingEmailChange'
         db.delete_table('student_pendingemailchange')
 
@@ -41,7 +41,6 @@ class Migration(SchemaMigration):
         # Changing field 'UserProfile.user'
         db.alter_column('auth_userprofile', 'user_id', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User'], unique=True))
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

common/djangoapps/student/migrations/0006_expand_meta_field.py

@@ -4,20 +4,19 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Changing field 'UserProfile.meta'
         db.alter_column('auth_userprofile', 'meta', self.gf('django.db.models.fields.TextField')())
 
-
     def backwards(self, orm):
-        
+
         # Changing field 'UserProfile.meta'
         db.alter_column('auth_userprofile', 'meta', self.gf('django.db.models.fields.CharField')(max_length=255))
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

common/djangoapps/student/migrations/0007_convert_to_utf8.py

@@ -4,6 +4,7 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
@@ -16,12 +17,10 @@ class Migration(SchemaMigration):
             ALTER TABLE student_usertestgroup_users CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
             """)
 
-
     def backwards(self, orm):
         # Although this migration can't be undone, it is okay for it to be run backwards because it doesn't add/remove any fields
         pass
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

common/djangoapps/student/migrations/0008__auto__add_courseregistration.py

@@ -16,12 +16,10 @@ class Migration(SchemaMigration):
         ))
         db.send_create_signal('student', ['CourseRegistration'])
 
-
     def backwards(self, orm):
         # Deleting model 'CourseRegistration'
         db.delete_table('student_courseregistration')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},
@@ -129,4 +127,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0009_auto__del_courseregistration__add_courseenrollment.py

@@ -19,7 +19,6 @@ class Migration(SchemaMigration):
         ))
         db.send_create_signal('student', ['CourseEnrollment'])
 
-
     def backwards(self, orm):
         # Adding model 'CourseRegistration'
         db.create_table('student_courseregistration', (
@@ -32,7 +31,6 @@ class Migration(SchemaMigration):
         # Deleting model 'CourseEnrollment'
         db.delete_table('student_courseenrollment')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},
@@ -140,4 +138,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0010_auto__chg_field_courseenrollment_course_id.py

@@ -124,4 +124,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0011_auto__chg_field_courseenrollment_user__del_unique_courseenrollment_use.py

@@ -13,8 +13,8 @@ class Migration(SchemaMigration):
         pass
         # # Removing unique constraint on 'CourseEnrollment', fields ['user']
         # db.delete_unique('student_courseenrollment', ['user_id'])
-        # 
-        # 
+        #
+        #
         # # Changing field 'CourseEnrollment.user'
         # db.alter_column('student_courseenrollment', 'user_id', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User']))
 
@@ -25,7 +25,6 @@ class Migration(SchemaMigration):
         # # Adding unique constraint on 'CourseEnrollment', fields ['user']
         # db.create_unique('student_courseenrollment', ['user_id'])
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},
@@ -133,4 +132,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0012_auto__add_field_userprofile_gender__add_field_userprofile_date_of_birt.py

@@ -38,7 +38,6 @@ class Migration(SchemaMigration):
                       self.gf('django.db.models.fields.CharField')(max_length=255, null=True, blank=True),
                       keep_default=False)
 
-
     def backwards(self, orm):
         # Deleting field 'UserProfile.gender'
         db.delete_column('auth_userprofile', 'gender')
@@ -58,7 +57,6 @@ class Migration(SchemaMigration):
         # Deleting field 'UserProfile.occupation'
         db.delete_column('auth_userprofile', 'occupation')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},
@@ -172,4 +170,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0013_auto__chg_field_userprofile_meta.py

@@ -130,4 +130,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0014_auto__del_courseenrollment.py

@@ -11,7 +11,6 @@ class Migration(SchemaMigration):
         # Deleting model 'CourseEnrollment'
         db.delete_table('student_courseenrollment')
 
-
     def backwards(self, orm):
         # Adding model 'CourseEnrollment'
         db.create_table('student_courseenrollment', (
@@ -21,7 +20,6 @@ class Migration(SchemaMigration):
         ))
         db.send_create_signal('student', ['CourseEnrollment'])
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},
@@ -129,4 +127,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0015_auto__add_courseenrollment__add_unique_courseenrollment_user_course_id.py

@@ -19,7 +19,6 @@ class Migration(SchemaMigration):
         # Adding unique constraint on 'CourseEnrollment', fields ['user', 'course_id']
         db.create_unique('student_courseenrollment', ['user_id', 'course_id'])
 
-
     def backwards(self, orm):
         # Removing unique constraint on 'CourseEnrollment', fields ['user', 'course_id']
         db.delete_unique('student_courseenrollment', ['user_id', 'course_id'])
@@ -27,7 +26,6 @@ class Migration(SchemaMigration):
         # Deleting model 'CourseEnrollment'
         db.delete_table('student_courseenrollment')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},
@@ -141,4 +139,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0016_auto__add_field_courseenrollment_date__chg_field_userprofile_country.py

@@ -13,7 +13,6 @@ class Migration(SchemaMigration):
                       self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, null=True, blank=True),
                       keep_default=False)
 
-
         # Changing field 'UserProfile.country'
         db.alter_column('auth_userprofile', 'country', self.gf('django_countries.fields.CountryField')(max_length=2, null=True))
 
@@ -21,7 +20,6 @@ class Migration(SchemaMigration):
         # Deleting field 'CourseEnrollment.date'
         db.delete_column('student_courseenrollment', 'date')
 
-
         # Changing field 'UserProfile.country'
         db.alter_column('auth_userprofile', 'country', self.gf('django.db.models.fields.CharField')(max_length=255, null=True))
 
@@ -139,4 +137,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0017_rename_date_to_created.py

@@ -15,7 +15,6 @@ class Migration(SchemaMigration):
         # Rename 'created' field to 'date'
         db.rename_column('student_courseenrollment', 'created', 'date')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},
@@ -130,4 +129,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0018_auto.py

@@ -11,12 +11,10 @@ class Migration(SchemaMigration):
         # Adding index on 'CourseEnrollment', fields ['created']
         db.create_index('student_courseenrollment', ['created'])
 
-
     def backwards(self, orm):
         # Removing index on 'CourseEnrollment', fields ['created']
         db.delete_index('student_courseenrollment', ['created'])
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},
@@ -131,4 +129,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/migrations/0019_create_approved_demographic_fields_fall_2012.py

@@ -38,7 +38,6 @@ class Migration(SchemaMigration):
         # Adding index on 'UserProfile', fields ['gender']
         db.create_index('auth_userprofile', ['gender'])
 
-
     def backwards(self, orm):
         # Removing index on 'UserProfile', fields ['gender']
         db.delete_index('auth_userprofile', ['gender'])
@@ -72,7 +71,6 @@ class Migration(SchemaMigration):
         # Deleting field 'UserProfile.goals'
         db.delete_column('auth_userprofile', 'goals')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},
@@ -186,4 +184,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
+    complete_apps = ['student']
\ No newline at end of file

common/djangoapps/student/models.py

@@ -18,6 +18,7 @@ from django_countries import CountryField
 
 #from cache_toolbox import cache_model, cache_relation
 
+
 class UserProfile(models.Model):
     class Meta:
         db_table = "auth_userprofile"
@@ -28,7 +29,7 @@ class UserProfile(models.Model):
     user = models.OneToOneField(User, unique=True, db_index=True, related_name='profile')
     name = models.CharField(blank=True, max_length=255, db_index=True)
 
-    meta = models.TextField(blank=True) # JSON dictionary for future expansion
+    meta = models.TextField(blank=True)  # JSON dictionary for future expansion
     courseware = models.CharField(blank=True, max_length=255, default='course.xml')
 
     # Location is no longer used, but is held here for backwards compatibility
@@ -59,7 +60,6 @@ class UserProfile(models.Model):
     mailing_address = models.TextField(blank=True, null=True)
     goals = models.TextField(blank=True, null=True)
 
-
     def get_meta(self):
         js_str = self.meta
         if not js_str:
@@ -69,9 +69,10 @@ class UserProfile(models.Model):
 
         return js_str
 
-    def set_meta(self,js):
+    def set_meta(self, js):
         self.meta = json.dumps(js)
 
+
 ## TODO: Should be renamed to generic UserGroup, and possibly
 # Given an optional field for type of group
 class UserTestGroup(models.Model):
@@ -79,6 +80,7 @@ class UserTestGroup(models.Model):
     name = models.CharField(blank=False, max_length=32, db_index=True)
     description = models.TextField(blank=True)
 
+
 class Registration(models.Model):
     ''' Allows us to wait for e-mail before user is registered. A
         registration profile is created when the user creates an
@@ -92,8 +94,8 @@ class Registration(models.Model):
 
     def register(self, user):
         # MINOR TODO: Switch to crypto-secure key
-        self.activation_key=uuid.uuid4().hex
-        self.user=user
+        self.activation_key = uuid.uuid4().hex
+        self.user = user
         self.save()
 
     def activate(self):
@@ -101,22 +103,25 @@ class Registration(models.Model):
         self.user.save()
         #self.delete()
 
+
 class PendingNameChange(models.Model):
     user = models.OneToOneField(User, unique=True, db_index=True)
     new_name = models.CharField(blank=True, max_length=255)
     rationale = models.CharField(blank=True, max_length=1024)
 
+
 class PendingEmailChange(models.Model):
     user = models.OneToOneField(User, unique=True, db_index=True)
     new_email = models.CharField(blank=True, max_length=255, db_index=True)
     activation_key = models.CharField(('activation key'), max_length=32, unique=True, db_index=True)
 
+
 class CourseEnrollment(models.Model):
     user = models.ForeignKey(User)
     course_id = models.CharField(max_length=255, db_index=True)
-    
+
     created = models.DateTimeField(auto_now_add=True, null=True, db_index=True)
-    
+
     class Meta:
         unique_together = (('user', 'course_id'), )
 
@@ -124,38 +129,45 @@ class CourseEnrollment(models.Model):
 
 #### Helper methods for use from python manage.py shell.
 
+
 def get_user(email):
-    u = User.objects.get(email = email)
-    up = UserProfile.objects.get(user = u)
-    return u,up
+    u = User.objects.get(email=email)
+    up = UserProfile.objects.get(user=u)
+    return u, up
+
 
 def user_info(email):
-    u,up = get_user(email)
+    u, up = get_user(email)
     print "User id", u.id
     print "Username", u.username
     print "E-mail", u.email
     print "Name", up.name
     print "Location", up.location
     print "Language", up.language
-    return u,up
+    return u, up
+
 
 def change_email(old_email, new_email):
-    u = User.objects.get(email = old_email)
+    u = User.objects.get(email=old_email)
     u.email = new_email
     u.save()
 
+
 def change_name(email, new_name):
-    u,up = get_user(email)
+    u, up = get_user(email)
     up.name = new_name
     up.save()
 
+
 def user_count():
     print "All users", User.objects.all().count()
-    print "Active users", User.objects.filter(is_active = True).count()
+    print "Active users", User.objects.filter(is_active=True).count()
     return User.objects.all().count()
 
+
 def active_user_count():
-    return User.objects.filter(is_active = True).count()
+    return User.objects.filter(is_active=True).count()
+
 
 def create_group(name, description):
     utg = UserTestGroup()
@@ -163,29 +175,31 @@ def create_group(name, description):
     utg.description = description
     utg.save()
 
+
 def add_user_to_group(user, group):
-    utg = UserTestGroup.objects.get(name = group)
-    utg.users.add(User.objects.get(username = user))
+    utg = UserTestGroup.objects.get(name=group)
+    utg.users.add(User.objects.get(username=user))
     utg.save()
 
+
 def remove_user_from_group(user, group):
-    utg = UserTestGroup.objects.get(name = group)
-    utg.users.remove(User.objects.get(username = user))
+    utg = UserTestGroup.objects.get(name=group)
+    utg.users.remove(User.objects.get(username=user))
     utg.save()
 
-default_groups = {'email_future_courses' : 'Receive e-mails about future MITx courses',
-                  'email_helpers' : 'Receive e-mails about how to help with MITx',
-                  'mitx_unenroll' : 'Fully unenrolled -- no further communications',
-                  '6002x_unenroll' : 'Took and dropped 6002x'}
+default_groups = {'email_future_courses': 'Receive e-mails about future MITx courses',
+                  'email_helpers': 'Receive e-mails about how to help with MITx',
+                  'mitx_unenroll': 'Fully unenrolled -- no further communications',
+                  '6002x_unenroll': 'Took and dropped 6002x'}
+
 
 def add_user_to_default_group(user, group):
     try:
-        utg = UserTestGroup.objects.get(name = group)
+        utg = UserTestGroup.objects.get(name=group)
     except UserTestGroup.DoesNotExist:
         utg = UserTestGroup()
         utg.name = group
         utg.description = default_groups[group]
         utg.save()
-    utg.users.add(User.objects.get(username = user))
+    utg.users.add(User.objects.get(username=user))
     utg.save()
-

common/djangoapps/track/middleware.py

@@ -4,6 +4,7 @@ from django.conf import settings
 
 import views
 
+
 class TrackMiddleware:
     def process_request(self, request):
         try:
@@ -11,34 +12,34 @@ class TrackMiddleware:
             # names/passwords.
             if request.META['PATH_INFO'] in ['/event', '/login']:
                 return
-            
+
             # Removes passwords from the tracking logs
             # WARNING: This list needs to be changed whenever we change
-            # password handling functionality. 
+            # password handling functionality.
             #
             # As of the time of this comment, only 'password' is used
-            # The rest are there for future extension. 
+            # The rest are there for future extension.
             #
-            # Passwords should never be sent as GET requests, but 
+            # Passwords should never be sent as GET requests, but
             # this can happen due to older browser bugs. We censor
-            # this too. 
-            # 
+            # this too.
+            #
             # We should manually confirm no passwords make it into log
-            # files when we change this. 
+            # files when we change this.
 
-            censored_strings = ['password', 'newpassword', 'new_password', 
+            censored_strings = ['password', 'newpassword', 'new_password',
                                 'oldpassword', 'old_password']
             post_dict = dict(request.POST)
             get_dict = dict(request.GET)
-            for string in censored_strings: 
-                if string in post_dict: 
-                    post_dict[string] = '*'*8                    
-                if string in get_dict: 
-                    get_dict[string] = '*'*8                    
-
-            event = { 'GET'  : dict(get_dict),
-                      'POST' : dict(post_dict)}
-            
+            for string in censored_strings:
+                if string in post_dict:
+                    post_dict[string] = '*' * 8
+                if string in get_dict:
+                    get_dict[string] = '*' * 8
+
+            event = {'GET': dict(get_dict),
+                      'POST': dict(post_dict)}
+
             # TODO: Confirm no large file uploads
             event = json.dumps(event)
             event = event[:512]

common/djangoapps/track/views.py

@@ -10,61 +10,64 @@ from django.conf import settings
 
 log = logging.getLogger("tracking")
 
+
 def log_event(event):
     event_str = json.dumps(event)
     log.info(event_str[:settings.TRACK_MAX_EVENT])
 
+
 def user_track(request):
-    try: # TODO: Do the same for many of the optional META parameters
+    try:  # TODO: Do the same for many of the optional META parameters
         username = request.user.username
-    except: 
+    except:
         username = "anonymous"
 
-    try: 
-        scookie = request.META['HTTP_COOKIE'] # Get cookies
-        scookie = ";".join([c.split('=')[1] for c in scookie.split(";") if "sessionid" in c]).strip() # Extract session ID
-    except: 
+    try:
+        scookie = request.META['HTTP_COOKIE']  # Get cookies
+        scookie = ";".join([c.split('=')[1] for c in scookie.split(";") if "sessionid" in c]).strip()  # Extract session ID
+    except:
         scookie = ""
 
-    try: 
+    try:
         agent = request.META['HTTP_USER_AGENT']
-    except: 
+    except:
         agent = ''
 
     # TODO: Move a bunch of this into log_event
     event = {
-        "username" : username,
-        "session" : scookie, 
-        "ip" : request.META['REMOTE_ADDR'],
-        "event_source" : "browser",
-        "event_type" : request.GET['event_type'], 
-        "event" : request.GET['event'],
-        "agent" : agent,
-        "page" : request.GET['page'],
+        "username": username,
+        "session": scookie,
+        "ip": request.META['REMOTE_ADDR'],
+        "event_source": "browser",
+        "event_type": request.GET['event_type'],
+        "event": request.GET['event'],
+        "agent": agent,
+        "page": request.GET['page'],
         "time": datetime.datetime.utcnow().isoformat(),
         }
     log_event(event)
     return HttpResponse('success')
 
+
 def server_track(request, event_type, event, page=None):
-    try: 
+    try:
         username = request.user.username
-    except: 
+    except:
         username = "anonymous"
 
-    try: 
+    try:
         agent = request.META['HTTP_USER_AGENT']
-    except: 
+    except:
         agent = ''
 
     event = {
-        "username" : username, 
-        "ip" : request.META['REMOTE_ADDR'],
-        "event_source" : "server",
-        "event_type" : event_type, 
-        "event" : event,
-        "agent" : agent,
-        "page" : page,
+        "username": username,
+        "ip": request.META['REMOTE_ADDR'],
+        "event_source": "server",
+        "event_type": event_type,
+        "event": event,
+        "agent": agent,
+        "page": page,
         "time": datetime.datetime.utcnow().isoformat(),
         }
     log_event(event)

common/djangoapps/util/cache.py

@@ -2,7 +2,7 @@
 This module aims to give a little more fine-tuned control of caching and cache
 invalidation. Import these instead of django.core.cache.
 
-Note that 'default' is being preserved for user session caching, which we're 
+Note that 'default' is being preserved for user session caching, which we're
 not migrating so as not to inconvenience users by logging them all out.
 """
 from functools import wraps
@@ -16,26 +16,27 @@ try:
 except Exception:
     cache = cache.cache
 
+
 def cache_if_anonymous(view_func):
     """
     Many of the pages in edX are identical when the user is not logged
-    in, but should not be cached when the user is logged in (because 
-    of the navigation bar at the top with the username). 
-    
+    in, but should not be cached when the user is logged in (because
+    of the navigation bar at the top with the username).
+
     The django middleware cache does not handle this correctly, because
     we access the session to put the csrf token in the header. This adds
     the cookie to the vary header, and so every page is cached seperately
     for each user (because each user has a different csrf token).
-    
+
     Note that this decorator should only be used on views that do not
     contain the csrftoken within the html. The csrf token can be included
     in the header by ordering the decorators as such:
-    
+
     @ensure_csrftoken
     @cache_if_anonymous
     def myView(request):
     """
-    
+
     @wraps(view_func)
     def _decorated(request, *args, **kwargs):
         if not request.user.is_authenticated():
@@ -45,12 +46,12 @@ def cache_if_anonymous(view_func):
             if not response:
                 response = view_func(request, *args, **kwargs)
                 cache.set(cache_key, response, 60 * 3)
-            
+
             return response
-            
+
         else:
             #Don't use the cache
             return view_func(request, *args, **kwargs)
-    
+
     return _decorated
-    
+
\ No newline at end of file

common/djangoapps/util/json_request.py

@@ -2,6 +2,7 @@ from functools import wraps
 import copy
 import json
 
+
 def expect_json(view_function):
     @wraps(view_function)
     def expect_json_with_cloned_request(request, *args, **kwargs):

common/djangoapps/util/memcache.py

@@ -6,11 +6,13 @@ from django.utils.encoding import smart_str
 import hashlib
 import urllib
 
+
 def fasthash(string):
     m = hashlib.new("md4")
     m.update(string)
     return m.hexdigest()
 
+
 def safe_key(key, key_prefix, version):
     safe_key = urllib.quote_plus(smart_str(key))
 

common/djangoapps/util/middleware.py

@@ -5,12 +5,12 @@ from django.http import HttpResponseServerError
 
 log = logging.getLogger("mitx")
 
+
 class ExceptionLoggingMiddleware(object):
-    """Just here to log unchecked exceptions that go all the way up the Django 
+    """Just here to log unchecked exceptions that go all the way up the Django
     stack"""
 
     if not settings.TEMPLATE_DEBUG:
         def process_exception(self, request, exception):
             log.exception(exception)
             return HttpResponseServerError("Server Error - Please try again later.")
-

common/djangoapps/util/views.py

@@ -14,53 +14,57 @@ from mitxmako.shortcuts import render_to_response, render_to_string
 import capa.calc
 import track.views
 
+
 def calculate(request):
     ''' Calculator in footer of every page. '''
     equation = request.GET['equation']
-    try: 
+    try:
         result = capa.calc.evaluator({}, {}, equation)
     except:
-        event = {'error':map(str,sys.exc_info()),
-                 'equation':equation}
+        event = {'error': map(str, sys.exc_info()),
+                 'equation': equation}
         track.views.server_track(request, 'error:calc', event, page='calc')
-        return HttpResponse(json.dumps({'result':'Invalid syntax'}))
-    return HttpResponse(json.dumps({'result':str(result)}))
+        return HttpResponse(json.dumps({'result': 'Invalid syntax'}))
+    return HttpResponse(json.dumps({'result': str(result)}))
+
 
 def send_feedback(request):
     ''' Feeback mechanism in footer of every page. '''
-    try: 
+    try:
         username = request.user.username
         email = request.user.email
-    except: 
+    except:
         username = "anonymous"
         email = "anonymous"
-    
-    try: 
+
+    try:
         browser = request.META['HTTP_USER_AGENT']
-    except: 
+    except:
         browser = "Unknown"
-    
-    feedback = render_to_string("feedback_email.txt", 
-                                {"subject":request.POST['subject'], 
-                                 "url": request.POST['url'], 
+
+    feedback = render_to_string("feedback_email.txt",
+                                {"subject": request.POST['subject'],
+                                 "url": request.POST['url'],
                                  "time": datetime.datetime.now().isoformat(),
-                                 "feedback": request.POST['message'], 
-                                 "email":email,
-                                 "browser":browser,
-                                 "user":username})
+                                 "feedback": request.POST['message'],
+                                 "email": email,
+                                 "browser": browser,
+                                 "user": username})
 
-    send_mail("MITx Feedback / " +request.POST['subject'], 
-              feedback, 
+    send_mail("MITx Feedback / " + request.POST['subject'],
+              feedback,
               settings.DEFAULT_FROM_EMAIL,
-              [ settings.DEFAULT_FEEDBACK_EMAIL ],
-              fail_silently = False
+              [settings.DEFAULT_FEEDBACK_EMAIL],
+              fail_silently=False
               )
-    return HttpResponse(json.dumps({'success':True}))
+    return HttpResponse(json.dumps({'success': True}))
+
 
 def info(request):
     ''' Info page (link from main header) '''
     return render_to_response("info.html", {})
 
+
 # From http://djangosnippets.org/snippets/1042/
 def parse_accept_header(accept):
     """Parse the Accept header *accept*, returning a list with pairs of
@@ -82,6 +86,7 @@ def parse_accept_header(accept):
     result.sort(lambda x, y: -cmp(x[2], y[2]))
     return result
 
+
 def accepts(request, media_type):
     """Return whether this request has an Accept header that matches type"""
     accept = parse_accept_header(request.META.get("HTTP_ACCEPT", ""))

common/lib/capa/capa/__init__.py

-

common/lib/capa/capa/checker.py

@@ -34,9 +34,10 @@ class DemoSystem(object):
         context_dict.update(context)
         return self.lookup.get_template(template_filename).render(**context_dict)
 
+
 def main():
     parser = argparse.ArgumentParser(description='Check Problem Files')
-    parser.add_argument("command", choices=['test', 'show']) # Watch? Render? Open?
+    parser.add_argument("command", choices=['test', 'show'])  # Watch? Render? Open?
     parser.add_argument("files", nargs="+", type=argparse.FileType('r'))
     parser.add_argument("--seed", required=False, type=int)
     parser.add_argument("--log-level", required=False, default="INFO",
@@ -67,13 +68,14 @@ def main():
 
     # In case we want to do anything else here.
 
+
 def command_show(problem):
     """Display the text for this problem"""
     print problem.get_html()
-    
+
 
 def command_test(problem):
-    # We're going to trap stdout/stderr from the problems (yes, some print)    
+    # We're going to trap stdout/stderr from the problems (yes, some print)
     old_stdout, old_stderr = sys.stdout, sys.stderr
     try:
         sys.stdout = StringIO()
@@ -82,7 +84,7 @@ def command_test(problem):
         check_that_suggested_answers_work(problem)
         check_that_blanks_fail(problem)
 
-        log_captured_output(sys.stdout, 
+        log_captured_output(sys.stdout,
                             "captured stdout from {0}".format(problem))
         log_captured_output(sys.stderr,
                             "captured stderr from {0}".format(problem))
@@ -91,9 +93,10 @@ def command_test(problem):
     finally:
         sys.stdout, sys.stderr = old_stdout, old_stderr
 
+
 def check_that_blanks_fail(problem):
     """Leaving it blank should never work. Neither should a space."""
-    blank_answers = dict((answer_id, u"") 
+    blank_answers = dict((answer_id, u"")
                          for answer_id in problem.get_question_answers())
     grading_results = problem.grade_answers(blank_answers)
     try:
@@ -113,7 +116,7 @@ def check_that_suggested_answers_work(problem):
     * Displayed answers use units but acceptable ones do not.
       - L1e0.xml
       - Presents itself as UndefinedVariable (when it tries to pass to calc)
-    * "a or d" is what's displayed, but only "a" or "d" is accepted, not the 
+    * "a or d" is what's displayed, but only "a" or "d" is accepted, not the
       string "a or d".
       - L1-e00.xml
     """
@@ -129,14 +132,14 @@ def check_that_suggested_answers_work(problem):
     log.debug("Real answers: {0}".format(real_answers))
     if real_answers:
         try:
-            real_results = dict((answer_id, result) for answer_id, result 
+            real_results = dict((answer_id, result) for answer_id, result
                                 in problem.grade_answers(all_answers).items()
                                 if answer_id in real_answers)
             log.debug(real_results)
             assert(all(result == 'correct'
                        for answer_id, result in real_results.items()))
         except UndefinedVariable as uv_exc:
-            log.error("The variable \"{0}\" specified in the ".format(uv_exc) + 
+            log.error("The variable \"{0}\" specified in the ".format(uv_exc) +
                       "solution isn't recognized (is it a units measure?).")
         except AssertionError:
             log.error("The following generated answers were not accepted for {0}:"
@@ -148,6 +151,7 @@ def check_that_suggested_answers_work(problem):
             log.error("Uncaught error in {0}".format(problem))
             log.exception(ex)
 
+
 def log_captured_output(output_stream, stream_name):
     output_stream.seek(0)
     output_text = output_stream.read()

common/lib/capa/capa/correctmap.py

@@ -3,6 +3,7 @@
 #
 # Used by responsetypes and capa_problem
 
+
 class CorrectMap(object):
     '''
     Stores map between answer_id and response evaluation result for each question
@@ -18,11 +19,11 @@ class CorrectMap(object):
 
     Behaves as a dict.
     '''
-    def __init__(self,*args,**kwargs):
+    def __init__(self, *args, **kwargs):
         self.cmap = dict()		# start with empty dict
         self.items = self.cmap.items
         self.keys = self.cmap.keys
-        self.set(*args,**kwargs)
+        self.set(*args, **kwargs)
 
     def __getitem__(self, *args, **kwargs):
         return self.cmap.__getitem__(*args, **kwargs)
@@ -35,9 +36,9 @@ class CorrectMap(object):
             self.cmap[answer_id] = {'correctness': correctness,
                                     'npoints': npoints,
                                     'msg': msg,
-                                    'hint' : hint,
-                                    'hintmode' : hintmode,
-                                    'queuekey' : queuekey, 
+                                    'hint': hint,
+                                    'hintmode': hintmode,
+                                    'queuekey': queuekey,
                                     }
 
     def __repr__(self):
@@ -49,69 +50,69 @@ class CorrectMap(object):
         '''
         return self.cmap
 
-    def set_dict(self,correct_map):
+    def set_dict(self, correct_map):
         '''
         set internal dict to provided correct_map dict
         for graceful migration, if correct_map is a one-level dict, then convert it to the new
         dict of dicts format.
         '''
-        if correct_map and not (type(correct_map[correct_map.keys()[0]])==dict):
+        if correct_map and not (type(correct_map[correct_map.keys()[0]]) == dict):
             self.__init__()							# empty current dict
-            for k in correct_map: self.set(k,correct_map[k])			# create new dict entries
+            for k in correct_map: self.set(k, correct_map[k])			# create new dict entries
         else:
             self.cmap = correct_map
 
-    def is_correct(self,answer_id):
+    def is_correct(self, answer_id):
         if answer_id in self.cmap: return self.cmap[answer_id]['correctness'] == 'correct'
         return None
 
-    def is_queued(self,answer_id):
+    def is_queued(self, answer_id):
         return answer_id in self.cmap and self.cmap[answer_id]['queuekey'] is not None
 
     def is_right_queuekey(self, answer_id, test_key):
         return answer_id in self.cmap and self.cmap[answer_id]['queuekey'] == test_key
 
-    def get_npoints(self,answer_id):
+    def get_npoints(self, answer_id):
         if self.is_correct(answer_id):
-            npoints = self.cmap[answer_id].get('npoints',1)	# default to 1 point if correct
+            npoints = self.cmap[answer_id].get('npoints', 1)	 # default to 1 point if correct
             return npoints or 1
         return 0						# if not correct, return 0
 
-    def set_property(self,answer_id,property,value):
+    def set_property(self, answer_id, property, value):
         if answer_id in self.cmap: self.cmap[answer_id][property] = value
-        else: self.cmap[answer_id] = {property:value}
+        else: self.cmap[answer_id] = {property: value}
 
-    def get_property(self,answer_id,property,default=None):
-        if answer_id in self.cmap: return self.cmap[answer_id].get(property,default)
+    def get_property(self, answer_id, property, default=None):
+        if answer_id in self.cmap: return self.cmap[answer_id].get(property, default)
         return default
 
-    def get_correctness(self,answer_id):
-        return self.get_property(answer_id,'correctness')
+    def get_correctness(self, answer_id):
+        return self.get_property(answer_id, 'correctness')
 
-    def get_msg(self,answer_id):
-        return self.get_property(answer_id,'msg','')
+    def get_msg(self, answer_id):
+        return self.get_property(answer_id, 'msg', '')
 
-    def get_hint(self,answer_id):
-        return self.get_property(answer_id,'hint','')
+    def get_hint(self, answer_id):
+        return self.get_property(answer_id, 'hint', '')
 
-    def get_hintmode(self,answer_id):
-        return self.get_property(answer_id,'hintmode',None)
+    def get_hintmode(self, answer_id):
+        return self.get_property(answer_id, 'hintmode', None)
 
-    def set_hint_and_mode(self,answer_id,hint,hintmode):
+    def set_hint_and_mode(self, answer_id, hint, hintmode):
         '''
           - hint     : (string) HTML text for hint
           - hintmode : (string) mode for hint display ('always' or 'on_request')
         '''
-        self.set_property(answer_id,'hint',hint)
-        self.set_property(answer_id,'hintmode',hintmode)
+        self.set_property(answer_id, 'hint', hint)
+        self.set_property(answer_id, 'hintmode', hintmode)
 
-    def update(self,other_cmap):
+    def update(self, other_cmap):
         '''
         Update this CorrectMap with the contents of another CorrectMap
         '''
-        if not isinstance(other_cmap,CorrectMap):
+        if not isinstance(other_cmap, CorrectMap):
             raise Exception('CorrectMap.update called with invalid argument %s' % other_cmap)
         self.cmap.update(other_cmap.get_dict())
 
 
-    
+

common/lib/capa/capa/eia.py

 """ Standard resistor codes.
 http://en.wikipedia.org/wiki/Electronic_color_code
 """
-E6=[10,15,22,33,47,68]
-E12=[10,12,15,18,22,27,33,39,47,56,68,82]
-E24=[10,12,15,18,22,27,33,39,47,56,68,82,11,13,16,20,24,30,36,43,51,62,75,91]
-E48=[100,121,147,178,215,261,316,383,464,562,681,825,105,127,154,187,226,274,332,402,487,590,715,866,110,133,162,196,237,287,348,422,511,619,750,909,115,140,169,205,249,301,365,442,536,649,787,953]
-E96=[100,121,147,178,215,261,316,383,464,562,681,825,102,124,150,182,221,267,324,392,475,576,698,845,105,127,154,187,226,274,332,402,487,590,715,866,107,130,158,191,232,280,340,412,499,604,732,887,110,133,162,196,237,287,348,422,511,619,750,909,113,137,165,200,243,294,357,432,523,634,768,931,115,140,169,205,249,301,365,442,536,649,787,953,118,143,174,210,255,309,374,453,549,665,806,976]
-E192=[100,121,147,178,215,261,316,383,464,562,681,825,101,123,149,180,218,264,320,388,470,569,690,835,102,124,150,182,221,267,324,392,475,576,698,845,104,126,152,184,223,271,328,397,481,583,706,856,105,127,154,187,226,274,332,402,487,590,715,866,106,129,156,189,229,277,336,407,493,597,723,876,107,130,158,191,232,280,340,412,499,604,732,887,109,132,160,193,234,284,344,417,505,612,741,898,110,133,162,196,237,287,348,422,511,619,750,909,111,135,164,198,240,291,352,427,517,626,759,920,113,137,165,200,243,294,357,432,523,634,768,931,114,138,167,203,246,298,361,437,530,642,777,942,115,140,169,205,249,301,365,442,536,649,787,953,117,142,172,208,252,305,370,448,542,657,796,965,118,143,174,210,255,309,374,453,549,665,806,976,120,145,176,213,258,312,379,459,556,673,816,988]
-
+E6 = [10, 15, 22, 33, 47, 68]
+E12 = [10, 12, 15, 18, 22, 27, 33, 39, 47, 56, 68, 82]
+E24 = [10, 12, 15, 18, 22, 27, 33, 39, 47, 56, 68, 82, 11, 13, 16, 20, 24, 30, 36, 43, 51, 62, 75, 91]
+E48 = [100, 121, 147, 178, 215, 261, 316, 383, 464, 562, 681, 825, 105, 127, 154, 187, 226, 274, 332, 402, 487, 590, 715, 866, 110, 133, 162, 196, 237, 287, 348, 422, 511, 619, 750, 909, 115, 140, 169, 205, 249, 301, 365, 442, 536, 649, 787, 953]
+E96 = [100, 121, 147, 178, 215, 261, 316, 383, 464, 562, 681, 825, 102, 124, 150, 182, 221, 267, 324, 392, 475, 576, 698, 845, 105, 127, 154, 187, 226, 274, 332, 402, 487, 590, 715, 866, 107, 130, 158, 191, 232, 280, 340, 412, 499, 604, 732, 887, 110, 133, 162, 196, 237, 287, 348, 422, 511, 619, 750, 909, 113, 137, 165, 200, 243, 294, 357, 432, 523, 634, 768, 931, 115, 140, 169, 205, 249, 301, 365, 442, 536, 649, 787, 953, 118, 143, 174, 210, 255, 309, 374, 453, 549, 665, 806, 976]
+E192 = [100, 121, 147, 178, 215, 261, 316, 383, 464, 562, 681, 825, 101, 123, 149, 180, 218, 264, 320, 388, 470, 569, 690, 835, 102, 124, 150, 182, 221, 267, 324, 392, 475, 576, 698, 845, 104, 126, 152, 184, 223, 271, 328, 397, 481, 583, 706, 856, 105, 127, 154, 187, 226, 274, 332, 402, 487, 590, 715, 866, 106, 129, 156, 189, 229, 277, 336, 407, 493, 597, 723, 876, 107, 130, 158, 191, 232, 280, 340, 412, 499, 604, 732, 887, 109, 132, 160, 193, 234, 284, 344, 417, 505, 612, 741, 898, 110, 133, 162, 196, 237, 287, 348, 422, 511, 619, 750, 909, 111, 135, 164, 198, 240, 291, 352, 427, 517, 626, 759, 920, 113, 137, 165, 200, 243, 294, 357, 432, 523, 634, 768, 931, 114, 138, 167, 203, 246, 298, 361, 437, 530, 642, 777, 942, 115, 140, 169, 205, 249, 301, 365, 442, 536, 649, 787, 953, 117, 142, 172, 208, 252, 305, 370, 448, 542, 657, 796, 965, 118, 143, 174, 210, 255, 309, 374, 453, 549, 665, 806, 976, 120, 145, 176, 213, 258, 312, 379, 459, 556, 673, 816, 988]

common/lib/capa/capa/util.py

@@ -4,6 +4,7 @@ from calc import evaluator, UndefinedVariable
 #
 # Utility functions used in CAPA responsetypes
 
+
 def compare_with_tolerance(v1, v2, tol):
     ''' Compare v1 to v2 with maximum tolerance tol
     tol is relative if it ends in %; otherwise, it is absolute
@@ -14,17 +15,18 @@ def compare_with_tolerance(v1, v2, tol):
 
     '''
     relative = tol.endswith('%')
-    if relative: 
-        tolerance_rel = evaluator(dict(),dict(),tol[:-1]) * 0.01
+    if relative:
+        tolerance_rel = evaluator(dict(), dict(), tol[:-1]) * 0.01
         tolerance = tolerance_rel * max(abs(v1), abs(v2))
-    else: 
-        tolerance = evaluator(dict(),dict(),tol)
-    return abs(v1-v2) <= tolerance
+    else:
+        tolerance = evaluator(dict(), dict(), tol)
+    return abs(v1 - v2) <= tolerance
+
 
-def contextualize_text(text, context): # private
-    ''' Takes a string with variables. E.g. $a+$b. 
+def contextualize_text(text, context):  # private
+    ''' Takes a string with variables. E.g. $a+$b.
     Does a substitution of those variables from the context '''
     if not text: return text
-    for key in sorted(context, lambda x,y:cmp(len(y),len(x))):
-        text=text.replace('$'+key, str(context[key]))
+    for key in sorted(context, lambda x, y: cmp(len(y), len(x))):
+        text = text.replace('$' + key, str(context[key]))
     return text

common/lib/mitxmako/mitxmako/__init__.py

@@ -13,4 +13,3 @@
 #   limitations under the License.
 
 lookup = None
-

common/lib/mitxmako/mitxmako/shortcuts.py

@@ -22,6 +22,7 @@ from django.http import HttpResponse
 from . import middleware
 from django.conf import settings
 
+
 def render_to_string(template_name, dictionary, context=None, namespace='main'):
     context_instance = Context(dictionary)
     # add dictionary to context_instance
@@ -43,6 +44,7 @@ def render_to_string(template_name, dictionary, context=None, namespace='main'):
     template = middleware.lookup[namespace].get_template(template_name)
     return template.render(**context_dictionary)
 
+
 def render_to_response(template_name, dictionary, context_instance=None, namespace='main', **kwargs):
     """
     Returns a HttpResponse whose content is filled with the result of calling

common/lib/xmodule/progress.py

@@ -3,7 +3,7 @@ Progress class for modules.  Represents where a student is in a module.
 
 Useful things to know:
  - Use Progress.to_js_status_str() to convert a progress into a simple
-   status string to pass to js.  
+   status string to pass to js.
  - Use Progress.to_js_detail_str() to convert a progress into a more detailed
    string to pass to js.
 
@@ -11,11 +11,12 @@ In particular, these functions have a canonical handing of None.
 
 For most subclassing needs, you should only need to reimplement
 frac() and __str__().
-''' 
+'''
 
 from collections import namedtuple
 import numbers
 
+
 class Progress(object):
     '''Represents a progress of a/b (a out of b done)
 
@@ -37,7 +38,7 @@ class Progress(object):
         if not (isinstance(a, numbers.Number) and
                 isinstance(b, numbers.Number)):
             raise TypeError('a and b must be numbers.  Passed {0}/{1}'.format(a, b))
-        
+
         if not (0 <= a <= b and b > 0):
             raise ValueError(
                 'fraction a/b = {0}/{1} must have 0 <= a <= b and b > 0'.format(a, b))
@@ -66,13 +67,12 @@ class Progress(object):
         '''
         return self.frac()[0] > 0
 
-
     def inprogress(self):
         ''' Returns True if fractional progress is strictly between 0 and 1.
 
         subclassing note: implemented in terms of frac(), assumes sanity
         checking is done at construction time.
-        ''' 
+        '''
         (a, b) = self.frac()
         return a > 0 and a < b
 
@@ -83,15 +83,14 @@ class Progress(object):
         checking is done at construction time.
         '''
         (a, b) = self.frac()
-        return a==b
-
+        return a == b
 
     def ternary_str(self):
         ''' Return a string version of this progress: either
            "none", "in_progress", or "done".
 
         subclassing note: implemented in terms of frac()
-        ''' 
+        '''
         (a, b) = self.frac()
         if a == 0:
             return "none"
@@ -111,8 +110,7 @@ class Progress(object):
     def __ne__(self, other):
         ''' The opposite of equal'''
         return not self.__eq__(other)
-        
-    
+
     def __str__(self):
         ''' Return a string representation of this string.
 
@@ -147,7 +145,6 @@ class Progress(object):
             return "NA"
         return progress.ternary_str()
 
-
     @staticmethod
     def to_js_detail_str(progress):
         '''

common/lib/xmodule/xmodule/capa_module.py

@@ -198,12 +198,12 @@ class CapaModule(XModule):
             if self.system.DEBUG:
                 log.exception(err)
                 msg = '[courseware.capa.capa_module] <font size="+1" color="red">Failed to generate HTML for problem %s</font>' % (self.location.url())
-                msg += '<p>Error:</p><p><pre>%s</pre></p>' % str(err).replace('<','&lt;')
-                msg += '<p><pre>%s</pre></p>' % traceback.format_exc().replace('<','&lt;')
+                msg += '<p>Error:</p><p><pre>%s</pre></p>' % str(err).replace('<', '&lt;')
+                msg += '<p><pre>%s</pre></p>' % traceback.format_exc().replace('<', '&lt;')
                 html = msg
             else:
                 raise
-                
+
         content = {'name': self.metadata['display_name'],
                    'html': html,
                    'weight': self.weight,
@@ -336,7 +336,7 @@ class CapaModule(XModule):
         score_msg = get['response']
         self.lcp.update_score(score_msg, queuekey)
 
-        return dict() # No AJAX return is needed
+        return dict()  # No AJAX return is needed
 
     def get_answer(self, get):
         '''
@@ -379,7 +379,7 @@ class CapaModule(XModule):
             if not name.endswith('[]'):
                 answers[name] = get[key]
             else:
-                name          = name[:-2]
+                name = name[:-2]
                 answers[name] = get.getlist(key)
 
         return answers
@@ -430,7 +430,7 @@ class CapaModule(XModule):
             if self.system.DEBUG:
                 msg = "Error checking problem: " + str(err)
                 msg += '\nTraceback:\n' + traceback.format_exc()
-                return {'success':msg}
+                return {'success': msg}
             traceback.print_exc()
             raise Exception("error in capa_module")
 

common/lib/xmodule/xmodule/course_module.py

@@ -9,22 +9,21 @@ from fs.errors import ResourceNotFoundError
 log = logging.getLogger(__name__)
 
 
-
 class CourseDescriptor(SequenceDescriptor):
     module_class = SequenceModule
 
     def __init__(self, system, definition=None, **kwargs):
         super(CourseDescriptor, self).__init__(system, definition, **kwargs)
-        
+
         try:
             self.start = time.strptime(self.metadata["start"], "%Y-%m-%dT%H:%M")
         except KeyError:
-            self.start = time.gmtime(0) #The epoch
+            self.start = time.gmtime(0)  # The epoch
             log.critical("Course loaded without a start date. " + str(self.id))
         except ValueError, e:
-            self.start = time.gmtime(0) #The epoch
+            self.start = time.gmtime(0)  # The epoch
             log.critical("Course loaded with a bad start date. " + str(self.id) + " '" + str(e) + "'")
-    
+
     def has_started(self):
         return time.gmtime() > self.start
 
@@ -44,15 +43,15 @@ class CourseDescriptor(SequenceDescriptor):
     @property
     def title(self):
         return self.metadata['display_name']
-    
+
     @property
     def number(self):
         return self.location.course
-        
+
     @property
     def wiki_namespace(self):
         return self.location.course
 
     @property
     def org(self):
-        return self.location.org
+        return self.location.org
\ No newline at end of file

common/lib/xmodule/xmodule/modulestore/__init__.py

@@ -81,7 +81,7 @@ class Location(_LocationBase):
         def check_list(list_):
             for val in list_:
                 if val is not None and INVALID_CHARS.search(val) is not None:
-                    log.debug('invalid characters val="%s", list_="%s"' % (val,list_))
+                    log.debug('invalid characters val="%s", list_="%s"' % (val, list_))
                     raise InvalidLocationError(location)
 
         if isinstance(location, basestring):
@@ -169,7 +169,7 @@ class ModuleStore(object):
             calls to get_children() to cache. None indicates to cache all descendents
         """
         raise NotImplementedError
-    
+
     def get_items(self, location, depth=0):
         """
         Returns a list of XModuleDescriptor instances for the items

common/lib/xmodule/xmodule/modulestore/exceptions.py

@@ -10,5 +10,6 @@ class ItemNotFoundError(Exception):
 class InsufficientSpecificationError(Exception):
     pass
 
+
 class InvalidLocationError(Exception):
     pass

common/lib/xmodule/xmodule/modulestore/mongo.py

@@ -56,6 +56,7 @@ def location_to_query(location):
 
     return query
 
+
 class MongoModuleStore(ModuleStore):
     """
     A Mongodb backed ModuleStore

common/lib/xmodule/xmodule/modulestore/tests/test_location.py

@@ -51,6 +51,7 @@ def test_invalid_locations():
     assert_raises(InvalidLocationError, Location, None)
     assert_raises(InvalidLocationError, Location, "tag://org/course/category/name with spaces/revision")
 
+
 def test_equality():
     assert_equals(
         Location('tag', 'org', 'course', 'category', 'name'),

common/lib/xmodule/xmodule/modulestore/xml.py

@@ -53,7 +53,7 @@ class XMLModuleStore(ModuleStore):
             class_ = getattr(import_module(module_path), class_name)
             self.default_class = class_
 
-        log.debug('XMLModuleStore: eager=%s, data_dir = %s' % (eager,self.data_dir))
+        log.debug('XMLModuleStore: eager=%s, data_dir = %s' % (eager, self.data_dir))
         log.debug('default_class = %s' % self.default_class)
 
         for course_dir in os.listdir(self.data_dir):

common/lib/xmodule/xmodule/progress.py

@@ -3,7 +3,7 @@ Progress class for modules.  Represents where a student is in a module.
 
 Useful things to know:
  - Use Progress.to_js_status_str() to convert a progress into a simple
-   status string to pass to js.  
+   status string to pass to js.
  - Use Progress.to_js_detail_str() to convert a progress into a more detailed
    string to pass to js.
 
@@ -11,11 +11,12 @@ In particular, these functions have a canonical handing of None.
 
 For most subclassing needs, you should only need to reimplement
 frac() and __str__().
-''' 
+'''
 
 from collections import namedtuple
 import numbers
 
+
 class Progress(object):
     '''Represents a progress of a/b (a out of b done)
 
@@ -37,7 +38,7 @@ class Progress(object):
         if not (isinstance(a, numbers.Number) and
                 isinstance(b, numbers.Number)):
             raise TypeError('a and b must be numbers.  Passed {0}/{1}'.format(a, b))
-        
+
         if not (0 <= a <= b and b > 0):
             raise ValueError(
                 'fraction a/b = {0}/{1} must have 0 <= a <= b and b > 0'.format(a, b))
@@ -66,13 +67,12 @@ class Progress(object):
         '''
         return self.frac()[0] > 0
 
-
     def inprogress(self):
         ''' Returns True if fractional progress is strictly between 0 and 1.
 
         subclassing note: implemented in terms of frac(), assumes sanity
         checking is done at construction time.
-        ''' 
+        '''
         (a, b) = self.frac()
         return a > 0 and a < b
 
@@ -83,15 +83,14 @@ class Progress(object):
         checking is done at construction time.
         '''
         (a, b) = self.frac()
-        return a==b
-
+        return a == b
 
     def ternary_str(self):
         ''' Return a string version of this progress: either
            "none", "in_progress", or "done".
 
         subclassing note: implemented in terms of frac()
-        ''' 
+        '''
         (a, b) = self.frac()
         if a == 0:
             return "none"
@@ -111,8 +110,7 @@ class Progress(object):
     def __ne__(self, other):
         ''' The opposite of equal'''
         return not self.__eq__(other)
-        
-    
+
     def __str__(self):
         ''' Return a string representation of this string.
 
@@ -147,7 +145,6 @@ class Progress(object):
             return "NA"
         return progress.ternary_str()
 
-
     @staticmethod
     def to_js_detail_str(progress):
         '''

common/lib/xmodule/xmodule/schematic_module.py

@@ -2,9 +2,11 @@ import json
 
 from x_module import XModule, XModuleDescriptor
 
+
 class ModuleDescriptor(XModuleDescriptor):
     pass
 
+
 class Module(XModule):
     def get_html(self):
         return '<input type="hidden" class="schematic" name="{item_id}" height="480" width="640">'.format(item_id=self.item_id)

common/lib/xmodule/xmodule/seq_module.py

@@ -53,9 +53,9 @@ class SequenceModule(XModule):
 
     def handle_ajax(self, dispatch, get):		# TODO: bounds checking
         ''' get = request.POST instance '''
-        if dispatch=='goto_position':
+        if dispatch == 'goto_position':
             self.position = int(get['position'])
-            return json.dumps({'success':True})
+            return json.dumps({'success': True})
         raise self.system.exception404
 
     def render(self):
@@ -81,7 +81,7 @@ class SequenceModule(XModule):
         # of script, even if it occurs mid-string. Do this after json.dumps()ing
         # so that we can be sure of the quotations being used
         import re
-        params = {'items': re.sub(r'(?i)</(script)', r'\u003c/\1', json.dumps(contents)),	# ?i = re.IGNORECASE for py2.6 compatability
+        params = {'items': re.sub(r'(?i)</(script)', r'\u003c/\1', json.dumps(contents)),	 # ?i = re.IGNORECASE for py2.6 compatability
                   'element_id': self.location.html_id(),
                   'item_id': self.id,
                   'position': self.position,

common/lib/xmodule/xmodule/video_module.py

@@ -36,7 +36,7 @@ class VideoModule(XModule):
         if dispatch == 'goto_position':
             self.position = int(float(get['position']))
             log.info(u"NEW POSITION {0}".format(self.position))
-            return json.dumps({'success':True})
+            return json.dumps({'success': True})
         raise Http404()
 
     def get_progress(self):

common/lib/xmodule/xmodule/x_module.py

@@ -7,6 +7,7 @@ from functools import partial
 
 log = logging.getLogger('mitx.' + __name__)
 
+
 def dummy_track(event_type, event):
     pass
 
@@ -171,11 +172,11 @@ class XModule(object):
         return None
 
     def max_score(self):
-        ''' Maximum score. Two notes: 
+        ''' Maximum score. Two notes:
             * This is generic; in abstract, a problem could be 3/5 points on one randomization, and 5/7 on another
             * In practice, this is a Very Bad Idea, and (a) will break some code in place (although that code
-              should get fixed), and (b) break some analytics we plan to put in place. 
-        ''' 
+              should get fixed), and (b) break some analytics we plan to put in place.
+        '''
         return None
 
     def get_html(self):
@@ -193,8 +194,8 @@ class XModule(object):
         return None
 
     def handle_ajax(self, dispatch, get):
-        ''' dispatch is last part of the URL. 
-            get is a dictionary-like object ''' 
+        ''' dispatch is last part of the URL.
+            get is a dictionary-like object '''
         return ""
 
 

lms/djangoapps/certificates/management/commands/ungenerated_certs.py

 from django.utils.simplejson import dumps
 from django.core.management.base import BaseCommand, CommandError
 from certificates.models import GeneratedCertificate
+
+
 class Command(BaseCommand):
 
-    help =  """
-    This command finds all GeneratedCertificate objects that do not have a 
-    certificate generated. These come into being when a user requests a 
-    certificate, or when grade_all_students is called (for pre-generating 
+    help = """
+    This command finds all GeneratedCertificate objects that do not have a
+    certificate generated. These come into being when a user requests a
+    certificate, or when grade_all_students is called (for pre-generating
     certificates).
-    
+
     It returns a json formatted list of users and their user ids
     """
 
     def handle(self, *args, **options):
         users = GeneratedCertificate.objects.filter(
-                download_url = None )
+                download_url=None)
         user_output = [{'user_id':user.user_id, 'name':user.name}
                 for user in users]
         self.stdout.write(dumps(user_output) + "\n")

lms/djangoapps/certificates/migrations/0001_added_generatedcertificates.py

@@ -90,4 +90,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['certificates']
+    complete_apps = ['certificates']
\ No newline at end of file

lms/djangoapps/certificates/migrations/0002_auto__add_field_generatedcertificate_download_url.py

@@ -88,4 +88,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['certificates']
+    complete_apps = ['certificates']
\ No newline at end of file

lms/djangoapps/certificates/migrations/0003_auto__add_field_generatedcertificate_enabled.py

@@ -89,4 +89,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['certificates']
+    complete_apps = ['certificates']
\ No newline at end of file

lms/djangoapps/certificates/migrations/0004_auto__add_field_generatedcertificate_graded_certificate_id__add_field_.py

@@ -4,10 +4,11 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Adding field 'GeneratedCertificate.graded_certificate_id'
         db.add_column('certificates_generatedcertificate', 'graded_certificate_id', self.gf('django.db.models.fields.CharField')(max_length=32, null=True), keep_default=False)
 
@@ -17,9 +18,8 @@ class Migration(SchemaMigration):
         # Adding field 'GeneratedCertificate.grade'
         db.add_column('certificates_generatedcertificate', 'grade', self.gf('django.db.models.fields.CharField')(max_length=5, null=True), keep_default=False)
 
-
     def backwards(self, orm):
-        
+
         # Deleting field 'GeneratedCertificate.graded_certificate_id'
         db.delete_column('certificates_generatedcertificate', 'graded_certificate_id')
 
@@ -29,7 +29,6 @@ class Migration(SchemaMigration):
         # Deleting field 'GeneratedCertificate.grade'
         db.delete_column('certificates_generatedcertificate', 'grade')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/certificates/migrations/0005_auto__add_field_generatedcertificate_name.py

@@ -4,20 +4,19 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Adding field 'GeneratedCertificate.name'
         db.add_column('certificates_generatedcertificate', 'name', self.gf('django.db.models.fields.CharField')(default='', max_length=255, blank=True), keep_default=False)
 
-
     def backwards(self, orm):
-        
+
         # Deleting field 'GeneratedCertificate.name'
         db.delete_column('certificates_generatedcertificate', 'name')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/certificates/migrations/0006_auto__chg_field_generatedcertificate_certificate_id.py

@@ -4,20 +4,19 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Changing field 'GeneratedCertificate.certificate_id'
         db.alter_column('certificates_generatedcertificate', 'certificate_id', self.gf('django.db.models.fields.CharField')(max_length=32, null=True))
 
-
     def backwards(self, orm):
-        
+
         # Changing field 'GeneratedCertificate.certificate_id'
         db.alter_column('certificates_generatedcertificate', 'certificate_id', self.gf('django.db.models.fields.CharField')(default=None, max_length=32))
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/certificates/migrations/0007_auto__add_revokedcertificate.py

@@ -4,10 +4,11 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Adding model 'RevokedCertificate'
         db.create_table('certificates_revokedcertificate', (
             ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
@@ -23,13 +24,11 @@ class Migration(SchemaMigration):
         ))
         db.send_create_signal('certificates', ['RevokedCertificate'])
 
-
     def backwards(self, orm):
-        
+
         # Deleting model 'RevokedCertificate'
         db.delete_table('certificates_revokedcertificate')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/certificates/models.py

@@ -7,7 +7,7 @@ from django.db import models
 '''
 Certificates are created for a student and an offering of a course.
 
-When a certificate is generated, a unique ID is generated so that 
+When a certificate is generated, a unique ID is generated so that
 the certificate can be verified later. The ID is a UUID4, so that
 it can't be easily guessed and so that it is unique. Even though
 we save these generated certificates (for later verification), we
@@ -15,7 +15,7 @@ also record the UUID so that if we regenerate the certificate it
 will have the same UUID.
 
 If certificates are being generated on the fly, a GeneratedCertificate
-should be created with the user, certificate_id, and enabled set 
+should be created with the user, certificate_id, and enabled set
 when a student requests a certificate. When the certificate has been
 generated, the download_url should be set.
 
@@ -26,119 +26,119 @@ needs to be set to true.
 
 '''
 
+
 class GeneratedCertificate(models.Model):
     user = models.ForeignKey(User, db_index=True)
     # This is the name at the time of request
     name = models.CharField(blank=True, max_length=255)
-    
+
     certificate_id = models.CharField(max_length=32, null=True, default=None)
     graded_certificate_id = models.CharField(max_length=32, null=True, default=None)
-    
+
     download_url = models.CharField(max_length=128, null=True)
     graded_download_url = models.CharField(max_length=128, null=True)
-    
+
     grade = models.CharField(max_length=5, null=True)
-    
+
     # enabled should only be true if the student has earned a grade in the course
     # The student must have a grade and request a certificate for enabled to be True
     enabled = models.BooleanField(default=False)
-    
+
+
 class RevokedCertificate(models.Model):
     """
     This model is for when a GeneratedCertificate must be regenerated. This model
     contains all the same fields, to store a record of what the GeneratedCertificate
     was before it was revoked (at which time all of it's information can change when
     it is regenerated).
-    
+
     GeneratedCertificate may be deleted once they are revoked, and then created again.
     For this reason, the only link between a GeneratedCertificate and RevokedCertificate
     is that they share the same user.
     """
     ####-------------------New Fields--------------------####
     explanation = models.TextField(blank=True)
-    
+
     ####---------Fields from GeneratedCertificate---------####
     user = models.ForeignKey(User, db_index=True)
     # This is the name at the time of request
     name = models.CharField(blank=True, max_length=255)
-    
+
     certificate_id = models.CharField(max_length=32, null=True, default=None)
     graded_certificate_id = models.CharField(max_length=32, null=True, default=None)
-    
+
     download_url = models.CharField(max_length=128, null=True)
     graded_download_url = models.CharField(max_length=128, null=True)
-    
+
     grade = models.CharField(max_length=5, null=True)
-    
+
     enabled = models.BooleanField(default=False)
-    
+
 
 def revoke_certificate(certificate, explanation):
     """
     This method takes a GeneratedCertificate. It records its information from the certificate
-    into a RevokedCertificate, and then marks the certificate as needing regenerating. 
+    into a RevokedCertificate, and then marks the certificate as needing regenerating.
     When the new certificiate is regenerated it will have new IDs and download URLS.
-    
-    Once this method has been called, it is safe to delete the certificate, or modify the 
+
+    Once this method has been called, it is safe to delete the certificate, or modify the
     certificate's name or grade until it has been generated again.
     """
-    revoked = RevokedCertificate(   user = certificate.user,
-                                    name = certificate.name,
-                                    certificate_id = certificate.certificate_id,
-                                    graded_certificate_id = certificate.graded_certificate_id,
-                                    download_url = certificate.download_url,
-                                    graded_download_url = certificate.graded_download_url,
-                                    grade = certificate.grade,
-                                    enabled = certificate.enabled)
-    
+    revoked = RevokedCertificate(user=certificate.user,
+                                    name=certificate.name,
+                                    certificate_id=certificate.certificate_id,
+                                    graded_certificate_id=certificate.graded_certificate_id,
+                                    download_url=certificate.download_url,
+                                    graded_download_url=certificate.graded_download_url,
+                                    grade=certificate.grade,
+                                    enabled=certificate.enabled)
+
     revoked.explanation = explanation
-    
+
     certificate.certificate_id = None
     certificate.graded_certificate_id = None
     certificate.download_url = None
     certificate.graded_download_url = None
-    
+
     certificate.save()
     revoked.save()
-    
-    
 
 
 def certificate_state_for_student(student, grade):
     '''
     This returns a dictionary with a key for state, and other information. The state is one of the
     following:
-    
+
     unavailable - A student is not eligible for a certificate.
     requestable - A student is eligible to request a certificate
     generating - A student has requested a certificate, but it is not generated yet.
     downloadable - The certificate has been requested and is available for download.
-    
+
     If the state is "downloadable", the dictionary also contains "download_url" and "graded_download_url".
-    
+
     '''
-    
+
     if grade:
         #TODO: Remove the following after debugging
         if settings.DEBUG_SURVEY:
-            return {'state' : 'requestable' }
-        
+            return {'state': 'requestable'}
+
         try:
-            generated_certificate = GeneratedCertificate.objects.get(user = student)
+            generated_certificate = GeneratedCertificate.objects.get(user=student)
             if generated_certificate.enabled:
                 if generated_certificate.download_url:
-                    return {'state' : 'downloadable',
-                             'download_url' : generated_certificate.download_url,
-                             'graded_download_url' : generated_certificate.graded_download_url}
+                    return {'state': 'downloadable',
+                             'download_url': generated_certificate.download_url,
+                             'graded_download_url': generated_certificate.graded_download_url}
                 else:
-                    return {'state' : 'generating'}
+                    return {'state': 'generating'}
             else:
                 # If enabled=False, it may have been pre-generated but not yet requested
                 # Our output will be the same as if the GeneratedCertificate did not exist
                 pass
         except GeneratedCertificate.DoesNotExist:
             pass
-        return {'state' : 'requestable'}
+        return {'state': 'requestable'}
     else:
         # No grade, no certificate. No exceptions
-        return {'state' : 'unavailable'}
+        return {'state': 'unavailable'}

lms/djangoapps/certificates/views.py

@@ -18,76 +18,74 @@ from student.models import UserProfile
 
 log = logging.getLogger("mitx.certificates")
 
+
 @login_required
 def certificate_request(request):
     ''' Attempt to send a certificate. '''
     if not settings.END_COURSE_ENABLED:
         raise Http404
-        
+
     if request.method == "POST":
         honor_code_verify = request.POST.get('cert_request_honor_code_verify', 'false')
         name_verify = request.POST.get('cert_request_name_verify', 'false')
         id_verify = request.POST.get('cert_request_id_verify', 'false')
         error = ''
-        
+
         def return_error(error):
-            return HttpResponse(json.dumps({'success':False,
-                                            'error': error }))
-        
+            return HttpResponse(json.dumps({'success': False,
+                                            'error': error}))
+
         if honor_code_verify != 'true':
             error += 'Please verify that you have followed the honor code to receive a certificate. '
-    
+
         if name_verify != 'true':
             error += 'Please verify that your name is correct to receive a certificate. '
-    
+
         if id_verify != 'true':
             error += 'Please certify that you understand the unique ID on the certificate. '
-        
+
         if len(error) > 0:
             return return_error(error)
-        
+
         survey_response = record_exit_survey(request, internal_request=True)
         if not survey_response['success']:
-            return return_error( survey_response['error'] )
-        
+            return return_error(survey_response['error'])
+
         grade = None
         student_gradesheet = grades.grade_sheet(request.user)
         grade = student_gradesheet['grade']
-            
+
         if not grade:
             return return_error('You have not earned a grade in this course. ')
-        
+
         generate_certificate(request.user, grade)
-        
-        return HttpResponse(json.dumps({'success':True}))
-    
+
+        return HttpResponse(json.dumps({'success': True}))
+
     else:
         #This is not a POST, we should render the page with the form
-        
+
         grade_sheet = grades.grade_sheet(request.user)
         certificate_state = certificate_state_for_student(request.user, grade_sheet['grade'])
-        
+
         if certificate_state['state'] != "requestable":
             return redirect("/profile")
-        
+
         user_info = UserProfile.objects.get(user=request.user)
-        
+
         took_survey = student_took_survey(user_info)
         if settings.DEBUG_SURVEY:
             took_survey = False
         survey_list = []
         if not took_survey:
             survey_list = exit_survey_list_for_student(request.user)
-        
-        
-        context = {'certificate_state' : certificate_state,
-                 'took_survey' : took_survey,
-                 'survey_list' : survey_list,
-                 'name' : user_info.name }
-        
-        
-        return render_to_response('cert_request.html', context)
 
+        context = {'certificate_state': certificate_state,
+                 'took_survey': took_survey,
+                 'survey_list': survey_list,
+                 'name': user_info.name}
+
+        return render_to_response('cert_request.html', context)
 
 
 # This method should only be called if the user has a grade and has requested a certificate
@@ -96,11 +94,11 @@ def generate_certificate(user, grade):
     # states for a GeneratedCertificate object
     if grade and user.is_active:
         generated_certificate = None
-    
+
         try:
-            generated_certificate = GeneratedCertificate.objects.get(user = user)
+            generated_certificate = GeneratedCertificate.objects.get(user=user)
         except GeneratedCertificate.DoesNotExist:
-            generated_certificate = GeneratedCertificate(user = user)
+            generated_certificate = GeneratedCertificate(user=user)
 
         generated_certificate.enabled = True
         if generated_certificate.graded_download_url and (generated_certificate.grade != grade):
@@ -114,8 +112,8 @@ def generate_certificate(user, grade):
                              ungraded_dl_url=generated_certificate.download_url,
                              userid=user.id))
             revoke_certificate(generated_certificate, "The grade on this certificate may be inaccurate.")
-                
-        user_name = UserProfile.objects.get(user = user).name
+
+        user_name = UserProfile.objects.get(user=user).name
         if generated_certificate.download_url and (generated_certificate.name != user_name):
             log.critical(u"A Certificate has been pre-generated with the name of "
                          "{gen_name} but current name is {user_name} (user id is "
@@ -128,22 +126,21 @@ def generate_certificate(user, grade):
                              userid=user.id))
             revoke_certificate(generated_certificate, "The name on this certificate may be inaccurate.")
 
-        
         generated_certificate.grade = grade
         generated_certificate.name = user_name
         generated_certificate.save()
-        
+
         certificate_id = generated_certificate.certificate_id
-        
+
         log.debug("Generating certificate for " + str(user.username) + " with ID: " + str(certificate_id))
-        
+
         # TODO: If the certificate was pre-generated, send the email that it is ready to download
         if certificate_state_for_student(user, grade)['state'] == "downloadable":
-            subject = render_to_string('emails/certificate_ready_subject.txt',{})
+            subject = render_to_string('emails/certificate_ready_subject.txt', {})
             subject = ''.join(subject.splitlines())
-            message = render_to_string('emails/certificate_ready.txt',{})
-            
-            res=send_mail(subject, message, settings.DEFAULT_FROM_EMAIL, [user.email,])
-        
+            message = render_to_string('emails/certificate_ready.txt', {})
+
+            res = send_mail(subject, message, settings.DEFAULT_FROM_EMAIL, [user.email, ])
+
     else:
         log.warning("Asked to generate a certificate for student " + str(user.username) + " but with a grade of " + str(grade) + " and active status " + str(user.is_active))

lms/djangoapps/circuit/models.py

@@ -3,10 +3,11 @@ import uuid
 from django.db import models
 from django.contrib.auth.models import User
 
+
 class ServerCircuit(models.Model):
-    # Later, add owner, who can edit, part of what app, etc. 
+    # Later, add owner, who can edit, part of what app, etc.
     name = models.CharField(max_length=32, unique=True, db_index=True)
     schematic = models.TextField(blank=True)
 
     def __unicode__(self):
-        return self.name+":"+self.schematic[:8]
+        return self.name + ":" + self.schematic[:8]

lms/djangoapps/circuit/views.py

@@ -11,8 +11,9 @@ from mitxmako.shortcuts import render_to_response, render_to_string
 
 from models import ServerCircuit
 
+
 def circuit_line(circuit):
-    ''' Returns string for an appropriate input element for a circuit. 
+    ''' Returns string for an appropriate input element for a circuit.
         TODO: Rename. '''
     if not circuit.isalnum():
         raise Http404()
@@ -28,10 +29,11 @@ def circuit_line(circuit):
     circuit_line.set('width', '640')
     circuit_line.set('height', '480')
     circuit_line.set('name', 'schematic')
-    circuit_line.set('id', 'schematic_'+circuit)
-    circuit_line.set('value', schematic) # We do it this way for security -- guarantees users cannot put funny stuff in schematic. 
+    circuit_line.set('id', 'schematic_' + circuit)
+    circuit_line.set('value', schematic)  # We do it this way for security -- guarantees users cannot put funny stuff in schematic.
     return xml.etree.ElementTree.tostring(circuit_line)
 
+
 def edit_circuit(request, circuit):
     try:
         sc = ServerCircuit.objects.get(name=circuit)
@@ -40,11 +42,12 @@ def edit_circuit(request, circuit):
 
     if not circuit.isalnum():
         raise Http404()
-    response = render_to_response('edit_circuit.html', {'name':circuit, 
-                                                        'circuit_line':circuit_line(circuit)})
+    response = render_to_response('edit_circuit.html', {'name': circuit,
+                                                        'circuit_line': circuit_line(circuit)})
     response['Cache-Control'] = 'no-cache'
     return response
 
+
 def save_circuit(request, circuit):
     if not circuit.isalnum():
         raise Http404()
@@ -63,4 +66,3 @@ def save_circuit(request, circuit):
     response = HttpResponse(json_str, mimetype='application/json')
     response['Cache-Control'] = 'no-cache'
     return response
-

lms/djangoapps/courseware/course_settings.py

 """
 Course settings module. All settings in the global_settings are
 first applied, and then any settings in the settings.DATA_DIR/course_settings.json
-are applied. A setting must be in ALL_CAPS. 
-    
+are applied. A setting must be in ALL_CAPS.
+
 Settings are used by calling
 
 from courseware.course_settings import course_settings
 
-Note that courseware.course_settings.course_settings is not a module -- it's an object. So 
+Note that courseware.course_settings.course_settings is not a module -- it's an object. So
 importing individual settings is not possible:
 
 from courseware.course_settings.course_settings import GRADER  # This won't work.
@@ -24,69 +24,67 @@ log = logging.getLogger("mitx.courseware")
 
 global_settings_json = """
 {
-	"GRADER" : [
-	    {
-	        "type" : "Homework",
-	        "min_count" : 12,
-	        "drop_count" : 2,
-	        "short_label" : "HW",
-	        "weight" : 0.15
-	    },
-	    {
-	        "type" : "Lab",
-	        "min_count" : 12,
-	        "drop_count" : 2,
-	        "category" : "Labs",
-	        "weight" : 0.15
-	    },
-	    {
-	        "type" : "Midterm",
-	        "name" : "Midterm Exam",
-	        "short_label" : "Midterm",
-	        "weight" : 0.3
-	    },
-	    {
-	        "type" : "Final",
-	        "name" : "Final Exam",
-	        "short_label" : "Final",
-	        "weight" : 0.4
-	    }
-	],
-	"GRADE_CUTOFFS" : {
-		"A" : 0.87, 
-		"B" : 0.7, 
-		"C" : 0.6
-	}
+    "GRADER" : [
+        {
+            "type" : "Homework",
+            "min_count" : 12,
+            "drop_count" : 2,
+            "short_label" : "HW",
+            "weight" : 0.15
+        },
+        {
+            "type" : "Lab",
+            "min_count" : 12,
+            "drop_count" : 2,
+            "category" : "Labs",
+            "weight" : 0.15
+        },
+        {
+            "type" : "Midterm",
+            "name" : "Midterm Exam",
+            "short_label" : "Midterm",
+            "weight" : 0.3
+        },
+        {
+            "type" : "Final",
+            "name" : "Final Exam",
+            "short_label" : "Final",
+            "weight" : 0.4
+        }
+    ],
+    "GRADE_CUTOFFS" : {
+        "A" : 0.87,
+        "B" : 0.7,
+        "C" : 0.6
+    }
 }
-""" 
+"""
 
 
 class Settings(object):
     def __init__(self):
-        
+
         # Load the global settings as a dictionary
         global_settings = json.loads(global_settings_json)
-        
-        
+
         # Load the course settings as a dictionary
         course_settings = {}
         try:
             # TODO: this doesn't work with multicourse
-            with open( settings.DATA_DIR + "/course_settings.json") as course_settings_file:
+            with open(settings.DATA_DIR + "/course_settings.json") as course_settings_file:
                 course_settings_string = course_settings_file.read()
             course_settings = json.loads(course_settings_string)
         except IOError:
             log.warning("Unable to load course settings file from " + str(settings.DATA_DIR) + "/course_settings.json")
-        
-        
+
         # Override any global settings with the course settings
         global_settings.update(course_settings)
-        
+
         # Now, set the properties from the course settings on ourselves
         for setting in global_settings:
             setting_value = global_settings[setting]
             setattr(self, setting, setting_value)
-                
+
         # Here is where we should parse any configurations, so that we can fail early
         self.GRADER = graders.grader_from_conf(self.GRADER)
 

lms/djangoapps/courseware/courses.py

@@ -12,15 +12,16 @@ from xmodule.modulestore.exceptions import ItemNotFoundError
 
 log = logging.getLogger(__name__)
 
+
 def check_course(course_id, course_must_be_open=True, course_required=True):
     """
     Given a course_id, this returns the course object. By default,
     if the course is not found or the course is not open yet, this
     method will raise a 404.
-    
+
     If course_must_be_open is False, the course will be returned
     without a 404 even if it is not open.
-    
+
     If course_required is False, a course_id of None is acceptable. The
     course returned will be None. Even if the course is not required,
     if a course_id is given that does not exist a 404 will be raised.
@@ -32,10 +33,10 @@ def check_course(course_id, course_must_be_open=True, course_required=True):
             course = modulestore().get_item(course_loc)
         except (KeyError, ItemNotFoundError):
             raise Http404("Course not found.")
-        
+
         if course_must_be_open and not course.has_started():
             raise Http404("This course has not yet started.")
-    
+
     return course
 
 
@@ -44,10 +45,12 @@ def check_course(course_id, course_must_be_open=True, course_required=True):
 
 def course_static_url(course):
     return settings.STATIC_URL + "/" + course.metadata['data_dir'] + "/"
-    
+
+
 def course_image_url(course):
     return course_static_url(course) + "images/course_image.jpg"
-    
+
+
 def get_course_about_section(course, section_key):
     """
     This returns the snippet of html to be rendered on the course about page, given the key for the section.
@@ -78,7 +81,7 @@ def get_course_about_section(course, section_key):
                         'effort', 'end_date', 'prerequisites']:
         try:
             with course.system.resources_fs.open(path("about") / section_key + ".html") as htmlFile:
-                return htmlFile.read().decode('utf-8').format(COURSE_STATIC_URL = course_static_url(course) )
+                return htmlFile.read().decode('utf-8').format(COURSE_STATIC_URL=course_static_url(course))
         except ResourceNotFoundError:
             log.warning("Missing about section {key} in course {url}".format(key=section_key, url=course.location.url()))
             return None
@@ -91,6 +94,7 @@ def get_course_about_section(course, section_key):
 
     raise KeyError("Invalid about key " + str(section_key))
 
+
 def get_course_info_section(course, section_key):
     """
     This returns the snippet of html to be rendered on the course info page, given the key for the section.
@@ -111,7 +115,7 @@ def get_course_info_section(course, section_key):
         except ResourceNotFoundError:
             log.exception("Missing info section {key} in course {url}".format(key=section_key, url=course.location.url()))
             return "! Info section missing !"
-        
+
     raise KeyError("Invalid about key " + str(section_key))
 
-    
+
\ No newline at end of file

lms/djangoapps/courseware/migrations/0001_initial.py

@@ -4,10 +4,11 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Adding model 'StudentModule'
         db.create_table('courseware_studentmodule', (
             ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
@@ -24,16 +25,14 @@ class Migration(SchemaMigration):
         # Adding unique constraint on 'StudentModule', fields ['student', 'module_id', 'module_type']
         db.create_unique('courseware_studentmodule', ['student_id', 'module_id', 'module_type'])
 
-
     def backwards(self, orm):
-        
+
         # Removing unique constraint on 'StudentModule', fields ['student', 'module_id', 'module_type']
         db.delete_unique('courseware_studentmodule', ['student_id', 'module_id', 'module_type'])
 
         # Deleting model 'StudentModule'
         db.delete_table('courseware_studentmodule')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/courseware/migrations/0002_add_indexes.py

@@ -4,10 +4,11 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Adding index on 'StudentModule', fields ['created']
         db.create_index('courseware_studentmodule', ['created'])
 
@@ -23,9 +24,8 @@ class Migration(SchemaMigration):
         # Adding index on 'StudentModule', fields ['module_id']
         db.create_index('courseware_studentmodule', ['module_id'])
 
-
     def backwards(self, orm):
-        
+
         # Removing index on 'StudentModule', fields ['module_id']
         db.delete_index('courseware_studentmodule', ['module_id'])
 
@@ -41,7 +41,6 @@ class Migration(SchemaMigration):
         # Removing index on 'StudentModule', fields ['created']
         db.delete_index('courseware_studentmodule', ['created'])
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/courseware/migrations/0003_done_grade_cache.py

@@ -4,10 +4,11 @@ from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 
+
 class Migration(SchemaMigration):
 
     def forwards(self, orm):
-        
+
         # Removing unique constraint on 'StudentModule', fields ['module_id', 'module_type', 'student']
         db.delete_unique('courseware_studentmodule', ['module_id', 'module_type', 'student_id'])
 
@@ -20,9 +21,8 @@ class Migration(SchemaMigration):
         # Adding unique constraint on 'StudentModule', fields ['module_id', 'student']
         db.create_unique('courseware_studentmodule', ['module_id', 'student_id'])
 
-
     def backwards(self, orm):
-        
+
         # Removing unique constraint on 'StudentModule', fields ['module_id', 'student']
         db.delete_unique('courseware_studentmodule', ['module_id', 'student_id'])
 
@@ -35,7 +35,6 @@ class Migration(SchemaMigration):
         # Adding unique constraint on 'StudentModule', fields ['module_id', 'module_type', 'student']
         db.create_unique('courseware_studentmodule', ['module_id', 'module_type', 'student_id'])
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/courseware/models.py

@@ -63,7 +63,6 @@ class StudentModule(models.Model):
 # TODO (cpennington): Remove these once the LMS switches to using XModuleDescriptors
 
 
-
 class StudentModuleCache(object):
     """
     A cache of StudentModules for a specific student
@@ -84,7 +83,7 @@ class StudentModuleCache(object):
             # that can be put into a single query
             self.cache = []
             chunk_size = 500
-            for id_chunk in [module_ids[i:i+chunk_size] for i in xrange(0, len(module_ids), chunk_size)]:
+            for id_chunk in [module_ids[i:i + chunk_size] for i in xrange(0, len(module_ids), chunk_size)]:
                 self.cache.extend(StudentModule.objects.filter(
                     student=user,
                     module_state_key__in=id_chunk)

lms/djangoapps/courseware/module_render.py

@@ -36,7 +36,7 @@ class I4xSystem(object):
 
         ajax_url - the url where ajax calls to the encapsulating module go.
         xqueue_callback_url - the url where external queueing system (e.g. for grading)
-                              returns its response 
+                              returns its response
         track_function - function of (event_type, event), intended for logging
                          or otherwise tracking the event.
                          TODO: Not used, and has inconsistent args in different
@@ -278,7 +278,7 @@ def replace_static_urls(module, prefix):
     with urls that are /static/<prefix>/...
     """
     original_get_html = module.get_html
-    
+
     @wraps(original_get_html)
     def get_html():
         return replace_urls(original_get_html(), staticfiles_prefix=prefix)
@@ -308,9 +308,9 @@ def add_histogram(module):
             coursename = multicourse_settings.get_coursename_from_request(request)
             github_url = multicourse_settings.get_course_github_url(coursename)
             fn = module_xml.get('filename')
-            if module_xml.tag=='problem': fn = 'problems/' + fn	# grrr
+            if module_xml.tag == 'problem': fn = 'problems/' + fn	 # grrr
             edit_link = (github_url + '/tree/master/' + fn) if github_url is not None else None
-            if module_xml.tag=='problem': edit_link += '.xml'	# grrr
+            if module_xml.tag == 'problem': edit_link += '.xml'	 # grrr
         else:
             edit_link = False
 
@@ -328,13 +328,14 @@ def add_histogram(module):
     module.get_html = get_html
     return module
 
+
 # TODO: TEMPORARY BYPASS OF AUTH!
 @csrf_exempt
 def xqueue_callback(request, userid, id, dispatch):
     # Parse xqueue response
     get = request.POST.copy()
     try:
-        header = json.loads(get.pop('xqueue_header')[0]) # 'dict'
+        header = json.loads(get.pop('xqueue_header')[0])  # 'dict'
     except Exception as err:
         msg = "Error in xqueue_callback %s: Invalid return format" % err
         raise Exception(msg)
@@ -344,12 +345,12 @@ def xqueue_callback(request, userid, id, dispatch):
 
     student_module_cache = StudentModuleCache(user, modulestore().get_item(id))
     instance, instance_module, shared_module, module_type = get_module(request.user, request, id, student_module_cache)
-    
+
     if instance_module is None:
         log.debug("Couldn't find module '%s' for user '%s'",
                   id, request.user)
         raise Http404
-    
+
     oldgrade = instance_module.grade
     old_instance_state = instance_module.state
 
@@ -360,7 +361,7 @@ def xqueue_callback(request, userid, id, dispatch):
     # We go through the "AJAX" path
     #   So far, the only dispatch from xqueue will be 'score_update'
     try:
-        ajax_return = instance.handle_ajax(dispatch, get) # Can ignore the "ajax" return in 'xqueue_callback'
+        ajax_return = instance.handle_ajax(dispatch, get)  # Can ignore the "ajax" return in 'xqueue_callback'
     except:
         log.exception("error processing ajax call")
         raise
@@ -374,6 +375,7 @@ def xqueue_callback(request, userid, id, dispatch):
 
     return HttpResponse("")
 
+
 def modx_dispatch(request, dispatch=None, id=None):
     ''' Generic view for extensions. This is where AJAX calls go.
 
@@ -392,7 +394,7 @@ def modx_dispatch(request, dispatch=None, id=None):
 
     student_module_cache = StudentModuleCache(request.user, modulestore().get_item(id))
     instance, instance_module, shared_module, module_type = get_module(request.user, request, id, student_module_cache)
-    
+
     if instance_module is None:
         log.debug("Couldn't find module '%s' for user '%s'",
                   id, request.user)

lms/djangoapps/courseware/progress.py

 class completion(object):
     def __init__(self, **d):
-        self.dict = dict({'duration_total':0,
-                          'duration_watched':0,
-                          'done':True,
-                          'questions_correct':0,
-                          'questions_incorrect':0,
-                          'questions_total':0})
-        if d: 
+        self.dict = dict({'duration_total': 0,
+                          'duration_watched': 0,
+                          'done': True,
+                          'questions_correct': 0,
+                          'questions_incorrect': 0,
+                          'questions_total': 0})
+        if d:
             self.dict.update(d)
 
     def __getitem__(self, key):
@@ -23,7 +23,7 @@ class completion(object):
                      'questions_correct',
                      'questions_incorrect',
                      'questions_total']:
-            result[item] = result[item]+other.dict[item]
+            result[item] = result[item] + other.dict[item]
         return completion(**result)
 
     def __contains__(self, key):
@@ -33,6 +33,6 @@ class completion(object):
         return repr(self.dict)
 
 if __name__ == '__main__':
-    dict1=completion(duration_total=5)
-    dict2=completion(duration_total=7)
-    print dict1+dict2
+    dict1 = completion(duration_total=5)
+    dict2 = completion(duration_total=7)
+    print dict1 + dict2

lms/djangoapps/courseware/views.py

@@ -31,6 +31,7 @@ log = logging.getLogger("mitx.courseware")
 
 template_imports = {'urllib': urllib}
 
+
 def user_groups(user):
     if not user.is_authenticated():
         return []
@@ -62,15 +63,15 @@ def courses(request):
     for course in courses:
         universities[course.org].append(course)
 
-    return render_to_response("courses.html", { 'universities': universities })
+    return render_to_response("courses.html", {'universities': universities})
+
 
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 def gradebook(request, course_id):
     if 'course_admin' not in user_groups(request.user):
         raise Http404
     course = check_course(course_id)
-    
-    
+
     student_objects = User.objects.all()[:100]
     student_info = []
 
@@ -168,7 +169,7 @@ def index(request, course_id, chapter=None, section=None,
      - HTTPresponse
     '''
     course = check_course(course_id)
-    
+
     def clean(s):
         ''' Fixes URLs -- we convert spaces to _ in URLs to prevent
         funny encoding characters and keep the URLs readable.  This undoes
@@ -258,18 +259,18 @@ def course_info(request, course_id):
 
     return render_to_response('info.html', {'course': course})
 
+
 @ensure_csrf_cookie
 @cache_if_anonymous
 def course_about(request, course_id):
     def registered_for_course(course, user):
         if user.is_authenticated():
-            return CourseEnrollment.objects.filter(user = user, course_id=course.id).exists()
+            return CourseEnrollment.objects.filter(user=user, course_id=course.id).exists()
         else:
             return False
     course = check_course(course_id, course_must_be_open=False)
     registered = registered_for_course(course, request.user)
     return render_to_response('portal/course_about.html', {'course': course, 'registered': registered})
-    
 
 
 @ensure_csrf_cookie
@@ -281,7 +282,7 @@ def university_profile(request, org_id):
         raise Http404("University Profile not found for {0}".format(org_id))
 
     # Only grab courses for this org...
-    courses=[c for c in all_courses if c.org == org_id]
+    courses = [c for c in all_courses if c.org == org_id]
     context = dict(courses=courses, org_id=org_id)
     template_file = "university_profile/{0}.html".format(org_id).lower()
 

lms/djangoapps/heartbeat/views.py

@@ -2,6 +2,7 @@ import json
 from datetime import datetime
 from django.http import HttpResponse
 
+
 def heartbeat(request):
     """
     Simple view that a loadbalancer can check to verify that the app is up

lms/djangoapps/multicourse/multicourse_settings.py

@@ -25,18 +25,18 @@ from django.conf import settings
 #-----------------------------------------------------------------------------
 # load course settings
 
-if hasattr(settings,'COURSE_SETTINGS'):    	# in the future, this could be replaced by reading an XML file
+if hasattr(settings, 'COURSE_SETTINGS'):    	# in the future, this could be replaced by reading an XML file
     COURSE_SETTINGS = settings.COURSE_SETTINGS
 
-elif hasattr(settings,'COURSE_NAME'):		# backward compatibility
+elif hasattr(settings, 'COURSE_NAME'):		# backward compatibility
     COURSE_SETTINGS = {settings.COURSE_NAME: {'number': settings.COURSE_NUMBER,
-                                              'title':  settings.COURSE_TITLE,
+                                              'title': settings.COURSE_TITLE,
                                               'location': settings.COURSE_LOCATION,
                                               },
                        }
 else:						# default to 6.002_Spring_2012
     COURSE_SETTINGS = {'6.002_Spring_2012': {'number': '6.002x',
-                                              'title':  'Circuits and Electronics',
+                                              'title': 'Circuits and Electronics',
                                               'location': 'i4x://edx/6002xs12/course/6.002 Spring 2012',
                                               },
                        }
@@ -44,6 +44,7 @@ else:						# default to 6.002_Spring_2012
 #-----------------------------------------------------------------------------
 # wrapper functions around course settings
 
+
 def get_coursename_from_request(request):
     if 'coursename' in request.session:
         coursename = request.session['coursename']
@@ -51,6 +52,7 @@ def get_coursename_from_request(request):
     else: coursename = None
     return coursename
 
+
 def get_course_settings(coursename):
     if not coursename:
         if hasattr(settings, 'COURSE_DEFAULT'):
@@ -94,14 +96,18 @@ def get_course_title(coursename):
 def get_course_number(coursename):
     return get_course_property(coursename, 'number')
 
+
 def get_course_github_url(coursename):
-    return get_course_property(coursename,'github_url')
+    return get_course_property(coursename, 'github_url')
+
 
 def get_course_default_chapter(coursename):
-    return get_course_property(coursename,'default_chapter')
+    return get_course_property(coursename, 'default_chapter')
+
 
 def get_course_default_section(coursename):
-    return get_course_property(coursename,'default_section')
-    
+    return get_course_property(coursename, 'default_section')
+
+
 def get_course_location(coursename):
     return get_course_property(coursename, 'location')

lms/djangoapps/multicourse/views.py

@@ -3,12 +3,12 @@ from mitxmako.shortcuts import render_to_response
 
 from multicourse import multicourse_settings
 
+
 def mitxhome(request):
     ''' Home page (link from main header). List of courses.  '''
     if settings.DEBUG:
         print "[djangoapps.multicourse.mitxhome] MITX_ROOT_URL = " + settings.MITX_ROOT_URL
     if settings.ENABLE_MULTICOURSE:
-        context = {'courseinfo' : multicourse_settings.COURSE_SETTINGS}
+        context = {'courseinfo': multicourse_settings.COURSE_SETTINGS}
         return render_to_response("mitxhome.html", context)
     return info(request)
-

lms/djangoapps/simplewiki/__init__.py

-# Source: django-simplewiki. GPL license. 
+# Source: django-simplewiki. GPL license.
 
 import os
 import sys

lms/djangoapps/simplewiki/admin.py

-# Source: django-simplewiki. GPL license. 
+# Source: django-simplewiki. GPL license.
 
 from django import forms
 from django.contrib import admin
@@ -6,17 +6,21 @@ from django.utils.translation import ugettext as _
 
 from models import Article, Revision, Permission, ArticleAttachment
 
+
 class RevisionInline(admin.TabularInline):
     model = Revision
     extra = 1
 
+
 class RevisionAdmin(admin.ModelAdmin):
     list_display = ('article', '__unicode__', 'revision_date', 'revision_user', 'revision_text')
     search_fields = ('article', 'counter')
 
+
 class AttachmentAdmin(admin.ModelAdmin):
     list_display = ('article', '__unicode__', 'uploaded_on', 'uploaded_by')
 
+
 class ArticleAdminForm(forms.ModelForm):
     def clean(self):
         cleaned_data = self.cleaned_data
@@ -30,16 +34,19 @@ class ArticleAdminForm(forms.ModelForm):
                 raise forms.ValidationError(_('Article slug and parent must be '
                                               'unique together.'))
         return cleaned_data
+
     class Meta:
         model = Article
 
+
 class ArticleAdmin(admin.ModelAdmin):
     list_display = ('created_by', 'slug', 'modified_on', 'namespace')
     search_fields = ('slug',)
-    prepopulated_fields = {'slug': ('title',) }
+    prepopulated_fields = {'slug': ('title',)}
     inlines = [RevisionInline]
     form = ArticleAdminForm
     save_on_top = True
+
     def formfield_for_foreignkey(self, db_field, request, **kwargs):
         if db_field.name == 'current_revision':
             # Try to determine the id of the article being edited
@@ -53,6 +60,7 @@ class ArticleAdmin(admin.ModelAdmin):
                 return db_field.formfield(**kwargs)
         return super(ArticleAdmin, self).formfield_for_foreignkey(db_field, request, **kwargs)
 
+
 class PermissionAdmin(admin.ModelAdmin):
     search_fields = ('article', 'counter')
 

lms/djangoapps/simplewiki/mdx_circuit.py

@@ -26,19 +26,19 @@ try:
 except:
     from markdown import etree
 
+
 class CircuitExtension(markdown.Extension):
     def __init__(self, configs):
-        for key, value in configs :
+        for key, value in configs:
             self.setConfig(key, value)
-            
-    
+
     def extendMarkdown(self, md, md_globals):
         ## Because Markdown treats contigous lines as one block of text, it is hard to match
         ## a regex that must occupy the whole line (like the circuit regex). This is why we have
         ## a preprocessor that inspects the lines and replaces the matched lines with text that is
         ## easier to match
-        md.preprocessors.add('circuit',  CircuitPreprocessor(md), "_begin")
-        
+        md.preprocessors.add('circuit', CircuitPreprocessor(md), "_begin")
+
         pattern = CircuitLink(r'processed-schematic:(?P<data>.*?)processed-schematic-end')
         pattern.md = md
         pattern.ext = self
@@ -47,16 +47,16 @@ class CircuitExtension(markdown.Extension):
 
 class CircuitPreprocessor(markdown.preprocessors.Preprocessor):
     preRegex = re.compile(r'^circuit-schematic:(?P<data>.*)$')
-    
+
     def run(self, lines):
         def convertLine(line):
             m = self.preRegex.match(line)
             if m:
-                return 'processed-schematic:{0}processed-schematic-end'.format( m.group('data') )
+                return 'processed-schematic:{0}processed-schematic-end'.format(m.group('data'))
             else:
                 return line
-        
-        return [ convertLine(line) for line in lines ]
+
+        return [convertLine(line) for line in lines]
 
 
 class CircuitLink(markdown.inlinepatterns.Pattern):
@@ -64,9 +64,9 @@ class CircuitLink(markdown.inlinepatterns.Pattern):
         data = m.group('data')
         data = escape(data)
         return etree.fromstring("<div align='center'><input type='hidden' parts='' value='" + data + "' analyses='' class='schematic ctrls' width='640' height='480'/></div>")
-        
-    
+
+
 def makeExtension(configs=None):
     to_return = CircuitExtension(configs=configs)
-    print "circuit returning " , to_return
+    print "circuit returning ", to_return
     return to_return