Move tz_aware into connection config rather than settings.

Make django use_tz

cms/envs/acceptance.py

@@ -23,8 +23,7 @@ MODULESTORE_OPTIONS = {
     'db': 'test_xmodule',
     'collection': 'acceptance_modulestore',
     'fs_root': TEST_ROOT / "data",
-    'render_template': 'mitxmako.shortcuts.render_to_string',
-    'tz_aware': True
+    'render_template': 'mitxmako.shortcuts.render_to_string'
 }
 
 MODULESTORE = {

cms/envs/dev.py

@@ -22,8 +22,7 @@ modulestore_options = {
     'db': 'xmodule',
     'collection': 'modulestore',
     'fs_root': GITHUB_REPO_ROOT,
-    'render_template': 'mitxmako.shortcuts.render_to_string',
-    'tz_aware': True
+    'render_template': 'mitxmako.shortcuts.render_to_string'
 }
 
 MODULESTORE = {

cms/envs/test.py

@@ -48,8 +48,7 @@ MODULESTORE_OPTIONS = {
     'db': 'test_xmodule',
     'collection': 'test_modulestore',
     'fs_root': TEST_ROOT / "data",
-    'render_template': 'mitxmako.shortcuts.render_to_string',
-    'tz_aware': True
+    'render_template': 'mitxmako.shortcuts.render_to_string'
 }
 
 MODULESTORE = {

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

@@ -14,6 +14,7 @@ import sys
 import datetime
 
 import json
+from pytz import UTC
 
 middleware.MakoMiddleware()
 
@@ -32,7 +33,7 @@ def group_from_value(groups, v):
 
 
 class Command(BaseCommand):
-    help =  \
+    help = \
 ''' Assign users to test groups. Takes a list
 of groups:
 a:0.3,b:0.4,c:0.3 file.txt "Testing something"
@@ -75,7 +76,7 @@ Will log what happened to file.txt.
             utg = UserTestGroup()
             utg.name = group
             utg.description = json.dumps({"description": args[2]},
-                                         {"time": datetime.datetime.utcnow().isoformat()})
+                                         {"time": datetime.datetime.now(UTC).isoformat()})
             group_objects[group] = utg
             group_objects[group].save()
 

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

@@ -8,6 +8,7 @@ from django.conf import settings
 from django.core.management.base import BaseCommand, CommandError
 
 from student.models import TestCenterUser
+from pytz import UTC
 
 
 class Command(BaseCommand):
@@ -58,7 +59,7 @@ class Command(BaseCommand):
     def handle(self, **options):
         # update time should use UTC in order to be comparable to the user_updated_at
         # field
-        uploaded_at = datetime.utcnow()
+        uploaded_at = datetime.now(UTC)
 
         # if specified destination is an existing directory, then
         # create a filename for it automatically.  If it doesn't exist,
@@ -100,7 +101,7 @@ class Command(BaseCommand):
                                     extrasaction='ignore')
             writer.writeheader()
             for tcu in TestCenterUser.objects.order_by('id'):
-                if tcu.needs_uploading:   # or dump_all
+                if tcu.needs_uploading:  # or dump_all
                     record = dict((csv_field, ensure_encoding(getattr(tcu, model_field)))
                                   for csv_field, model_field
                                   in Command.CSV_TO_MODEL_FIELDS.items())

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

@@ -8,6 +8,7 @@ from django.conf import settings
 from django.core.management.base import BaseCommand, CommandError
 
 from student.models import TestCenterRegistration, ACCOMMODATION_REJECTED_CODE
+from pytz import UTC
 
 
 class Command(BaseCommand):
@@ -51,7 +52,7 @@ class Command(BaseCommand):
     def handle(self, **options):
         # update time should use UTC in order to be comparable to the user_updated_at
         # field
-        uploaded_at = datetime.utcnow()
+        uploaded_at = datetime.now(UTC)
 
         # if specified destination is an existing directory, then
         # create a filename for it automatically.  If it doesn't exist,

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

@@ -13,6 +13,7 @@ from django.core.management.base import BaseCommand, CommandError
 from django.conf import settings
 
 from student.models import TestCenterUser, TestCenterRegistration
+from pytz import UTC
 
 
 class Command(BaseCommand):
@@ -68,7 +69,7 @@ class Command(BaseCommand):
                     Command.datadog_error("Found authorization record for user {}".format(registration.testcenter_user.user.username), eacfile.name)
                     # now update the record:
                     registration.upload_status = row['Status']
-                    registration.upload_error_message =  row['Message']
+                    registration.upload_error_message = row['Message']
                     try:
                         registration.processed_at = strftime('%Y-%m-%d %H:%M:%S', strptime(row['Date'], '%Y/%m/%d %H:%M:%S'))
                     except ValueError as ve:
@@ -80,7 +81,7 @@ class Command(BaseCommand):
                         except ValueError as ve:
                             Command.datadog_error("Bad AuthorizationID value found for {}: message {}".format(client_authorization_id, ve), eacfile.name)
 
-                    registration.confirmed_at = datetime.utcnow()
+                    registration.confirmed_at = datetime.now(UTC)
                     registration.save()
                 except TestCenterRegistration.DoesNotExist:
                     Command.datadog_error("Failed to find record for client_auth_id {}".format(client_authorization_id), eacfile.name)

common/djangoapps/student/models.py

@@ -26,6 +26,7 @@ from django.dispatch import receiver
 from django.forms import ModelForm, forms
 
 import comment_client as cc
+from pytz import UTC
 
 
 log = logging.getLogger(__name__)
@@ -53,7 +54,7 @@ class UserProfile(models.Model):
     class Meta:
         db_table = "auth_userprofile"
 
-    # # CRITICAL TODO/SECURITY
+    # CRITICAL TODO/SECURITY
     # Sanitize all fields.
     # This is not visible to other users, but could introduce holes later
     user = models.OneToOneField(User, unique=True, db_index=True, related_name='profile')
@@ -253,7 +254,7 @@ class TestCenterUserForm(ModelForm):
     def update_and_save(self):
         new_user = self.save(commit=False)
         # create additional values here:
-        new_user.user_updated_at = datetime.utcnow()
+        new_user.user_updated_at = datetime.now(UTC)
         new_user.upload_status = ''
         new_user.save()
         log.info("Updated demographic information for user's test center exam registration: username \"{}\" ".format(new_user.user.username))
@@ -555,7 +556,7 @@ class TestCenterRegistrationForm(ModelForm):
     def update_and_save(self):
         registration = self.save(commit=False)
         # create additional values here:
-        registration.user_updated_at = datetime.utcnow()
+        registration.user_updated_at = datetime.now(UTC)
         registration.upload_status = ''
         registration.save()
         log.info("Updated registration information for user's test center exam registration: username \"{}\" course \"{}\", examcode \"{}\"".format(registration.testcenter_user.user.username, registration.course_id, registration.exam_series_code))
@@ -597,7 +598,7 @@ def unique_id_for_user(user):
     return h.hexdigest()
 
 
-# # TODO: Should be renamed to generic UserGroup, and possibly
+# TODO: Should be renamed to generic UserGroup, and possibly
 # Given an optional field for type of group
 class UserTestGroup(models.Model):
     users = models.ManyToManyField(User, db_index=True)

common/djangoapps/student/views.py

@@ -49,6 +49,7 @@ from courseware.views import get_module_for_descriptor, jump_to
 from courseware.model_data import ModelDataCache
 
 from statsd import statsd
+from pytz import UTC
 
 log = logging.getLogger("mitx.student")
 Article = namedtuple('Article', 'title url author image deck publication publish_date')
@@ -77,7 +78,7 @@ def index(request, extra_context={}, user=None):
     '''
 
     # The course selection work is done in courseware.courses.
-    domain = settings.MITX_FEATURES.get('FORCE_UNIVERSITY_DOMAIN')     # normally False
+    domain = settings.MITX_FEATURES.get('FORCE_UNIVERSITY_DOMAIN')  # normally False
     # do explicit check, because domain=None is valid
     if domain == False:
         domain = request.META.get('HTTP_HOST')
@@ -630,7 +631,7 @@ def create_account(request, post_override=None):
 
     # Ok, looks like everything is legit.  Create the account.
     ret = _do_create_account(post_vars)
-    if isinstance(ret, HttpResponse):		# if there was an error then return that
+    if isinstance(ret, HttpResponse):  # if there was an error then return that
         return ret
     (user, profile, registration) = ret
 
@@ -668,7 +669,7 @@ def create_account(request, post_override=None):
 
     if DoExternalAuth:
         eamap.user = login_user
-        eamap.dtsignup = datetime.datetime.now()
+        eamap.dtsignup = datetime.datetime.now(UTC)
         eamap.save()
         log.debug('Updated ExternalAuthMap for %s to be %s' % (post_vars['username'], eamap))
 

common/djangoapps/track/views.py

@@ -14,6 +14,7 @@ from mitxmako.shortcuts import render_to_response
 
 from django_future.csrf import ensure_csrf_cookie
 from track.models import TrackingLog
+from pytz import UTC
 
 log = logging.getLogger("tracking")
 
@@ -59,7 +60,7 @@ def user_track(request):
         "event": request.GET['event'],
         "agent": agent,
         "page": request.GET['page'],
-        "time": datetime.datetime.utcnow().isoformat(),
+        "time": datetime.datetime.now(UTC).isoformat(),
         "host": request.META['SERVER_NAME'],
         }
     log_event(event)
@@ -85,11 +86,11 @@ def server_track(request, event_type, event, page=None):
         "event": event,
         "agent": agent,
         "page": page,
-        "time": datetime.datetime.utcnow().isoformat(),
+        "time": datetime.datetime.now(UTC).isoformat(),
         "host": request.META['SERVER_NAME'],
         }
 
-    if event_type.startswith("/event_logs") and request.user.is_staff:  	# don't log
+    if event_type.startswith("/event_logs") and request.user.is_staff:  # don't log
         return
     log_event(event)
 

common/lib/capa/capa/inputtypes.py

@@ -144,11 +144,11 @@ class InputTypeBase(object):
         self.tag = xml.tag
         self.system = system
 
-        # # NOTE: ID should only come from one place.  If it comes from multiple,
-        # # we use state first, XML second (in case the xml changed, but we have
-        # # existing state with an old id). Since we don't make this guarantee,
-        # # we can swap this around in the future if there's a more logical
-        # # order.
+        # NOTE: ID should only come from one place.  If it comes from multiple,
+        # we use state first, XML second (in case the xml changed, but we have
+        # existing state with an old id). Since we don't make this guarantee,
+        # we can swap this around in the future if there's a more logical
+        # order.
 
         self.input_id = state.get('id', xml.get('id'))
         if self.input_id is None:

common/lib/xmodule/xmodule/capa_module.py

@@ -747,7 +747,7 @@ class CapaModule(CapaFields, XModule):
 
         # Problem queued. Students must wait a specified waittime before they are allowed to submit
         if self.lcp.is_queued():
-            current_time = datetime.datetime.now()
+            current_time = datetime.datetime.now(UTC)
             prev_submit_time = self.lcp.get_recentmost_queuetime()
             waittime_between_requests = self.system.xqueue['waittime']
             if (current_time - prev_submit_time).total_seconds() < waittime_between_requests:

common/lib/xmodule/xmodule/course_module.py

@@ -93,7 +93,7 @@ class Textbook(object):
             # see if we already fetched this
             if toc_url in _cached_toc:
                 (table_of_contents, timestamp) = _cached_toc[toc_url]
-                age = datetime.now() - timestamp
+                age = datetime.now(UTC) - timestamp
                 # expire every 10 minutes
                 if age.seconds < 600:
                     return table_of_contents

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

@@ -231,6 +231,7 @@ class MongoModuleStore(ModuleStoreBase):
         self.collection = pymongo.connection.Connection(
             host=host,
             port=port,
+            tz_aware=True,
             **kwargs
         )[db][collection]
 

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

@@ -43,7 +43,7 @@ class TestMongoModuleStore(object):
     def initdb():
         # connect to the db
         store = MongoModuleStore(HOST, DB, COLLECTION, FS_ROOT, RENDER_TEMPLATE,
-            default_class=DEFAULT_CLASS, tz_aware=True)
+            default_class=DEFAULT_CLASS)
         # Explicitly list the courses to load (don't want the big one)
         courses = ['toy', 'simple']
         import_from_xml(store, DATA_DIR, courses)

common/lib/xmodule/xmodule/tests/test_capa_module.py

@@ -18,6 +18,7 @@ from xmodule.modulestore import Location
 from django.http import QueryDict
 
 from . import test_system
+from pytz import UTC
 
 
 class CapaFactory(object):
@@ -126,7 +127,7 @@ class CapaFactory(object):
 class CapaModuleTest(unittest.TestCase):
 
     def setUp(self):
-        now = datetime.datetime.now()
+        now = datetime.datetime.now(UTC)
         day_delta = datetime.timedelta(days=1)
         self.yesterday_str = str(now - day_delta)
         self.today_str = str(now)
@@ -475,12 +476,12 @@ class CapaModuleTest(unittest.TestCase):
 
         # Simulate that the problem is queued
         with patch('capa.capa_problem.LoncapaProblem.is_queued') \
-                as mock_is_queued,\
+                as mock_is_queued, \
             patch('capa.capa_problem.LoncapaProblem.get_recentmost_queuetime') \
                 as mock_get_queuetime:
 
             mock_is_queued.return_value = True
-            mock_get_queuetime.return_value = datetime.datetime.now()
+            mock_get_queuetime.return_value = datetime.datetime.now(UTC)
 
             get_request_dict = {CapaFactory.input_key(): '3.14'}
             result = module.check_problem(get_request_dict)

lms/djangoapps/courseware/tests/factories.py

@@ -12,6 +12,7 @@ from courseware.models import StudentModule, XModuleContentField, XModuleSetting
 from courseware.models import XModuleStudentInfoField, XModuleStudentPrefsField
 
 from xmodule.modulestore import Location
+from pytz import UTC
 
 location = partial(Location, 'i4x', 'edX', 'test_course', 'problem')
 
@@ -28,8 +29,8 @@ class RegistrationFactory(StudentRegistrationFactory):
 class UserFactory(StudentUserFactory):
     email = 'robot@edx.org'
     last_name = 'Tester'
-    last_login = datetime.now()
-    date_joined = datetime.now()
+    last_login = datetime.now(UTC)
+    date_joined = datetime.now(UTC)
 
 
 class GroupFactory(StudentGroupFactory):

lms/djangoapps/courseware/tests/tests.py

@@ -65,8 +65,7 @@ def mongo_store_config(data_dir):
                 'db': 'test_xmodule',
                 'collection': 'modulestore_%s' % uuid4().hex,
                 'fs_root': data_dir,
-                'render_template': 'mitxmako.shortcuts.render_to_string',
-                'tz_aware': True
+                'render_template': 'mitxmako.shortcuts.render_to_string'
             }
         }
     }

lms/djangoapps/django_comment_client/utils.py

@@ -219,7 +219,7 @@ def initialize_discussion_info(course):
 
     _DISCUSSIONINFO[course.id]['id_map'] = discussion_id_map
     _DISCUSSIONINFO[course.id]['category_map'] = category_map
-    _DISCUSSIONINFO[course.id]['timestamp'] = datetime.now()
+    _DISCUSSIONINFO[course.id]['timestamp'] = datetime.now(UTC())
 
 
 class JsonResponse(HttpResponse):

lms/djangoapps/foldit/tests.py

@@ -13,6 +13,7 @@ from foldit.models import PuzzleComplete, Score
 from student.models import UserProfile, unique_id_for_user
 
 from datetime import datetime, timedelta
+from pytz import UTC
 
 log = logging.getLogger(__name__)
 
@@ -28,7 +29,7 @@ class FolditTestCase(TestCase):
         self.user2 = User.objects.create_user('testuser2', 'test2@test.com', pwd)
         self.unique_user_id = unique_id_for_user(self.user)
         self.unique_user_id2 = unique_id_for_user(self.user2)
-        now = datetime.now()
+        now = datetime.now(UTC)
         self.tomorrow = now + timedelta(days=1)
         self.yesterday = now - timedelta(days=1)
 
@@ -222,7 +223,7 @@ class FolditTestCase(TestCase):
         verify = {"Verify": verify_code(self.user.email, puzzles_str),
                   "VerifyMethod":"FoldItVerify"}
 
-        data =  {'SetPuzzlesCompleteVerify': json.dumps(verify),
+        data = {'SetPuzzlesCompleteVerify': json.dumps(verify),
                 'SetPuzzlesComplete': puzzles_str}
 
         request = self.make_request(data)

lms/djangoapps/lms_migration/management/commands/create_user.py

@@ -18,6 +18,7 @@ from django.core.management.base import BaseCommand
 from student.models import UserProfile, Registration
 from external_auth.models import ExternalAuthMap
 from django.contrib.auth.models import User, Group
+from pytz import UTC
 
 
 class MyCompleter(object):  # Custom completer
@@ -124,7 +125,7 @@ class Command(BaseCommand):
                                     external_credentials=json.dumps(credentials),
                 )
             eamap.user = user
-            eamap.dtsignup = datetime.datetime.now()
+            eamap.dtsignup = datetime.datetime.now(UTC)
             eamap.save()
 
         print "User %s created successfully!" % user

lms/djangoapps/psychometrics/psychoanalyze.py

@@ -15,6 +15,7 @@ from scipy.optimize import curve_fit
 from django.conf import settings
 from django.db.models import Sum, Max
 from psychometrics.models import *
+from pytz import UTC
 
 log = logging.getLogger("mitx.psychometrics")
 
@@ -110,7 +111,7 @@ def make_histogram(ydata, bins=None):
     nbins = len(bins)
     hist = dict(zip(bins, [0] * nbins))
     for y in ydata:
-        for b in bins[::-1]:    # in reverse order
+        for b in bins[::-1]:  # in reverse order
             if y > b:
                 hist[b] += 1
                 break
@@ -149,7 +150,7 @@ def generate_plots_for_problem(problem):
 
     agdat = pmdset.aggregate(Sum('attempts'), Max('attempts'))
     max_attempts = agdat['attempts__max']
-    total_attempts = agdat['attempts__sum']     # not used yet
+    total_attempts = agdat['attempts__sum']  # not used yet
 
     msg += "max attempts = %d" % max_attempts
 
@@ -200,7 +201,7 @@ def generate_plots_for_problem(problem):
     dtsv = StatVar()
     for pmd in pmdset:
         try:
-            checktimes = eval(pmd.checktimes)                   # update log of attempt timestamps
+            checktimes = eval(pmd.checktimes)  # update log of attempt timestamps
         except:
             continue
         if len(checktimes) < 2:
@@ -208,7 +209,7 @@ def generate_plots_for_problem(problem):
         ct0 = checktimes[0]
         for ct in checktimes[1:]:
             dt = (ct - ct0).total_seconds() / 60.0
-            if dt < 20:                   # ignore if dt too long
+            if dt < 20:  # ignore if dt too long
                 dtset.append(dt)
                 dtsv += dt
             ct0 = ct
@@ -244,7 +245,7 @@ def generate_plots_for_problem(problem):
             ylast = y + ylast
         yset['ydat'] = ydat
 
-        if len(ydat) > 3:         # try to fit to logistic function if enough data points
+        if len(ydat) > 3:  # try to fit to logistic function if enough data points
             try:
                 cfp = curve_fit(func_2pl, xdat, ydat, [1.0, max_attempts / 2.0])
                 yset['fitparam'] = cfp
@@ -337,10 +338,10 @@ def make_psychometrics_data_update_handler(course_id, user, module_state_key):
             log.exception("no attempts for %s (state=%s)" % (sm, sm.state))
 
         try:
-            checktimes = eval(pmd.checktimes)                   # update log of attempt timestamps
+            checktimes = eval(pmd.checktimes)  # update log of attempt timestamps
         except:
             checktimes = []
-        checktimes.append(datetime.datetime.now())
+        checktimes.append(datetime.datetime.now(UTC))
         pmd.checktimes = checktimes
         try:
             pmd.save()

lms/djangoapps/simplewiki/models.py

@@ -11,6 +11,7 @@ from markdown import markdown
 
 from .wiki_settings import *
 from util.cache import cache
+from pytz import UTC
 
 
 class ShouldHaveExactlyOneRootSlug(Exception):
@@ -265,7 +266,7 @@ class Revision(models.Model):
                 return
             else:
                 import datetime
-                self.article.modified_on = datetime.datetime.now()
+                self.article.modified_on = datetime.datetime.now(UTC)
                 self.article.save()
 
         # Increment counter according to previous revision

lms/envs/acceptance.py

@@ -24,8 +24,7 @@ modulestore_options = {
     'db': 'test_xmodule',
     'collection': 'acceptance_modulestore',
     'fs_root': TEST_ROOT / "data",
-    'render_template': 'mitxmako.shortcuts.render_to_string',
-    'tz_aware': True
+    'render_template': 'mitxmako.shortcuts.render_to_string'
 }
 
 MODULESTORE = {

lms/envs/cms/dev.py

@@ -21,8 +21,7 @@ modulestore_options = {
     'db': 'xmodule',
     'collection': 'modulestore',
     'fs_root': DATA_DIR,
-    'render_template': 'mitxmako.shortcuts.render_to_string',
-    'tz_aware': True
+    'render_template': 'mitxmako.shortcuts.render_to_string'
 }
 
 MODULESTORE = {

lms/envs/common.py

@@ -50,8 +50,8 @@ MITX_FEATURES = {
     'SAMPLE': False,
     'USE_DJANGO_PIPELINE': True,
     'DISPLAY_HISTOGRAMS_TO_STAFF': True,
-    'REROUTE_ACTIVATION_EMAIL': False,		# nonempty string = address for all activation emails
-    'DEBUG_LEVEL': 0,				# 0 = lowest level, least verbose, 255 = max level, most verbose
+    'REROUTE_ACTIVATION_EMAIL': False,  # nonempty string = address for all activation emails
+    'DEBUG_LEVEL': 0,  # 0 = lowest level, least verbose, 255 = max level, most verbose
 
     ## DO NOT SET TO True IN THIS FILE
     ## Doing so will cause all courses to be released on production
@@ -67,13 +67,13 @@ MITX_FEATURES = {
     # university to use for branding purposes
     'SUBDOMAIN_BRANDING': False,
 
-    'FORCE_UNIVERSITY_DOMAIN': False,  	# set this to the university domain to use, as an override to HTTP_HOST
+    'FORCE_UNIVERSITY_DOMAIN': False,  # set this to the university domain to use, as an override to HTTP_HOST
                                         # set to None to do no university selection
 
     'ENABLE_TEXTBOOK': True,
     'ENABLE_DISCUSSION_SERVICE': True,
 
-    'ENABLE_PSYCHOMETRICS': False,  	# real-time psychometrics (eg item response theory analysis in instructor dashboard)
+    'ENABLE_PSYCHOMETRICS': False,  # real-time psychometrics (eg item response theory analysis in instructor dashboard)
 
     'ENABLE_DJANGO_ADMIN_SITE': False,  # set true to enable django's admin site, even on prod (e.g. for course ops)
     'ENABLE_SQL_TRACKING_LOGS': False,
@@ -84,7 +84,7 @@ MITX_FEATURES = {
 
     'DISABLE_LOGIN_BUTTON': False,  # used in systems where login is automatic, eg MIT SSL
 
-    'STUB_VIDEO_FOR_TESTING': False,   # do not display video when running automated acceptance tests
+    'STUB_VIDEO_FOR_TESTING': False,  # do not display video when running automated acceptance tests
 
     # extrernal access methods
     'ACCESS_REQUIRE_STAFF_FOR_COURSE': False,
@@ -132,7 +132,7 @@ DEFAULT_GROUPS = []
 GENERATE_PROFILE_SCORES = False
 
 # Used with XQueue
-XQUEUE_WAITTIME_BETWEEN_REQUESTS = 5   # seconds
+XQUEUE_WAITTIME_BETWEEN_REQUESTS = 5  # seconds
 
 
 ############################# SET PATH INFORMATION #############################
@@ -192,8 +192,8 @@ TEMPLATE_CONTEXT_PROCESSORS = (
     'django.core.context_processors.static',
     'django.contrib.messages.context_processors.messages',
     #'django.core.context_processors.i18n',
-    'django.contrib.auth.context_processors.auth',   # this is required for admin
-    'django.core.context_processors.csrf',   # necessary for csrf protection
+    'django.contrib.auth.context_processors.auth',  # this is required for admin
+    'django.core.context_processors.csrf',  # necessary for csrf protection
 
     # Added for django-wiki
     'django.core.context_processors.media',
@@ -206,7 +206,7 @@ TEMPLATE_CONTEXT_PROCESSORS = (
     'mitxmako.shortcuts.marketing_link_context_processor',
 )
 
-STUDENT_FILEUPLOAD_MAX_SIZE = 4 * 1000 * 1000   # 4 MB
+STUDENT_FILEUPLOAD_MAX_SIZE = 4 * 1000 * 1000  # 4 MB
 MAX_FILEUPLOADS_PER_INPUT = 20
 
 # FIXME:
@@ -216,7 +216,7 @@ LIB_URL = '/static/js/'
 
 # Dev machines shouldn't need the book
 # BOOK_URL = '/static/book/'
-BOOK_URL = 'https://mitxstatic.s3.amazonaws.com/book_images/'   # For AWS deploys
+BOOK_URL = 'https://mitxstatic.s3.amazonaws.com/book_images/'  # For AWS deploys
 # RSS_URL = r'lms/templates/feed.rss'
 # PRESS_URL = r''
 RSS_TIMEOUT = 600
@@ -240,14 +240,14 @@ COURSE_TITLE = "Circuits and Electronics"
 
 ### Dark code. Should be enabled in local settings for devel.
 
-ENABLE_MULTICOURSE = False     # set to False to disable multicourse display (see lib.util.views.mitxhome)
+ENABLE_MULTICOURSE = False  # set to False to disable multicourse display (see lib.util.views.mitxhome)
 
 WIKI_ENABLED = False
 
 ###
 
 COURSE_DEFAULT = '6.002x_Fall_2012'
-COURSE_SETTINGS =  {'6.002x_Fall_2012': {'number': '6.002x',
+COURSE_SETTINGS = {'6.002x_Fall_2012': {'number': '6.002x',
                                           'title': 'Circuits and Electronics',
                                           'xmlpath': '6002x/',
                                           'location': 'i4x://edx/6002xs12/course/6.002x_Fall_2012',
@@ -308,6 +308,7 @@ import monitoring.exceptions  # noqa
 # Change DEBUG/TEMPLATE_DEBUG in your environment settings files, not here
 DEBUG = False
 TEMPLATE_DEBUG = False
+USE_TZ = True
 
 # Site info
 SITE_ID = 1
@@ -342,8 +343,8 @@ STATICFILES_DIRS = [
 FAVICON_PATH = 'images/favicon.ico'
 
 # Locale/Internationalization
-TIME_ZONE = 'America/New_York'   # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
-LANGUAGE_CODE = 'en'   # http://www.i18nguy.com/unicode/language-identifiers.html
+TIME_ZONE = 'America/New_York'  # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
+LANGUAGE_CODE = 'en'  # http://www.i18nguy.com/unicode/language-identifiers.html
 USE_I18N = True
 USE_L10N = True
 
@@ -364,7 +365,7 @@ ALLOWED_GITRELOAD_IPS = ['207.97.227.253', '50.57.128.197', '108.171.174.178']
 # setting is, I'm just bumping the expiration time to something absurd (100
 # years). This is only used if DEFAULT_FILE_STORAGE is overriden to use S3
 # in the global settings.py
-AWS_QUERYSTRING_EXPIRE = 10 * 365 * 24 * 60 * 60   # 10 years
+AWS_QUERYSTRING_EXPIRE = 10 * 365 * 24 * 60 * 60  # 10 years
 
 ################################# SIMPLEWIKI ###################################
 SIMPLE_WIKI_REQUIRE_LOGIN_EDIT = True
@@ -373,8 +374,8 @@ SIMPLE_WIKI_REQUIRE_LOGIN_VIEW = False
 ################################# WIKI ###################################
 WIKI_ACCOUNT_HANDLING = False
 WIKI_EDITOR = 'course_wiki.editors.CodeMirror'
-WIKI_SHOW_MAX_CHILDREN = 0   # We don't use the little menu that shows children of an article in the breadcrumb
-WIKI_ANONYMOUS = False   # Don't allow anonymous access until the styling is figured out
+WIKI_SHOW_MAX_CHILDREN = 0  # We don't use the little menu that shows children of an article in the breadcrumb
+WIKI_ANONYMOUS = False  # Don't allow anonymous access until the styling is figured out
 WIKI_CAN_CHANGE_PERMISSIONS = lambda article, user: user.is_staff or user.is_superuser
 WIKI_CAN_ASSIGN = lambda article, user: user.is_staff or user.is_superuser
 
@@ -592,7 +593,7 @@ if os.path.isdir(DATA_DIR):
                 new_filename = os.path.splitext(filename)[0] + ".js"
                 if os.path.exists(js_dir / new_filename):
                     coffee_timestamp = os.stat(js_dir / filename).st_mtime
-                    js_timestamp     = os.stat(js_dir / new_filename).st_mtime
+                    js_timestamp = os.stat(js_dir / new_filename).st_mtime
                     if coffee_timestamp <= js_timestamp:
                         continue
                 os.system("rm %s" % (js_dir / new_filename))
@@ -696,9 +697,9 @@ INSTALLED_APPS = (
     'course_groups',
 
     #For the wiki
-    'wiki',   # The new django-wiki from benjaoming
+    'wiki',  # The new django-wiki from benjaoming
     'django_notify',
-    'course_wiki',   # Our customizations
+    'course_wiki',  # Our customizations
     'mptt',
     'sekizai',
     #'wiki.plugins.attachments',
@@ -710,7 +711,7 @@ INSTALLED_APPS = (
     'foldit',
 
     # For testing
-    'django.contrib.admin',   # only used in DEBUG mode
+    'django.contrib.admin',  # only used in DEBUG mode
     'debug',
 
     # Discussion forums

lms/envs/dev_mongo.py

@@ -19,8 +19,7 @@ MODULESTORE = {
             'db': 'xmodule',
             'collection': 'modulestore',
             'fs_root': GITHUB_REPO_ROOT,
-            'render_template': 'mitxmako.shortcuts.render_to_string',
-            'tz_aware': True
+            'render_template': 'mitxmako.shortcuts.render_to_string'
         }
     }
 }