Revert "Use drf-yasg for Open API documentation"

cms/djangoapps/api/v1/serializers/course_runs.py

@@ -125,7 +125,7 @@ class CourseRunImageSerializer(serializers.Serializer):
 class CourseRunSerializerCommonFieldsMixin(serializers.Serializer):
     schedule = CourseRunScheduleSerializer(source='*', required=False)
     pacing_type = CourseRunPacingTypeField(source='self_paced', required=False,
-                                           choices=((False, 'instructor_paced'), (True, 'self_paced'),))
+                                           choices=(('instructor_paced', False), ('self_paced', True),))
 
 
 class CourseRunSerializer(CourseRunSerializerCommonFieldsMixin, CourseRunTeamSerializerMixin, serializers.Serializer):

cms/envs/common.py

@@ -680,7 +680,7 @@ STATICFILES_DIRS = [
 
 # Locale/Internationalization
 CELERY_TIMEZONE = 'UTC'
-TIME_ZONE = 'UTC'
+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
 LANGUAGES_BIDI = lms.envs.common.LANGUAGES_BIDI
 
@@ -1173,7 +1173,7 @@ INSTALLED_APPS = [
     'pipeline_mako',
 
     # API Documentation
-    'drf_yasg',
+    'rest_framework_swagger',
 
     'openedx.features.course_duration_limits',
     'openedx.features.content_type_gating',

cms/envs/devstack.py

@@ -108,10 +108,6 @@ def should_show_debug_toolbar(request):
 DEBUG_TOOLBAR_MONGO_STACKTRACES = False
 
 
-########################### API DOCS #################################
-
-FEATURES['ENABLE_API_DOCS'] = True
-
 ################################ MILESTONES ################################
 FEATURES['MILESTONES_APP'] = True
 

cms/urls.py

@@ -3,7 +3,7 @@ from django.conf.urls import include, url
 from django.conf.urls.static import static
 from django.contrib.admin import autodiscover as django_autodiscover
 from django.utils.translation import ugettext_lazy as _
-from openedx.core.openapi import schema_view
+from rest_framework_swagger.views import get_swagger_view
 
 import contentstore.views
 from cms.djangoapps.contentstore.views.organization import OrganizationListView
@@ -266,9 +266,7 @@ urlpatterns += [
 
 if settings.FEATURES.get('ENABLE_API_DOCS'):
     urlpatterns += [
-        url(r'^swagger(?P<format>\.json|\.yaml)$', schema_view.without_ui(cache_timeout=0), name='schema-json'),
-        url(r'^swagger/$', schema_view.with_ui('swagger', cache_timeout=0), name='schema-swagger-ui'),
-        url(r'^api-docs/$', schema_view.with_ui('swagger', cache_timeout=0)),
+        url(r'^api-docs/$', get_swagger_view(title='Studio API')),
     ]
 
 from openedx.core.djangoapps.plugins import constants as plugin_constants, plugin_urls