Schedules is a core part of the LMS, install it by default, rather than...

Schedules is a core part of the LMS, install it by default, rather than through the plugins mechanism

cms/envs/common.py

@@ -1428,6 +1428,9 @@ INSTALLED_APPS = [
 
     # signal handlers to capture course dates into edx-when
     'openedx.core.djangoapps.course_date_signals',
+
+    # Management of per-user schedules
+    'openedx.core.djangoapps.schedules',
 ]
 
 

lms/envs/common.py

@@ -2477,6 +2477,9 @@ INSTALLED_APPS = [
 
     # Management of external user ids
     'openedx.core.djangoapps.external_user_ids',
+
+    # Management of per-user schedules
+    'openedx.core.djangoapps.schedules',
 ]
 
 ######################### CSRF #########################################

openedx/core/djangoapps/schedules/apps.py

@@ -10,23 +10,6 @@ class SchedulesConfig(AppConfig):
     name = 'openedx.core.djangoapps.schedules'
     verbose_name = _('Schedules')
 
-    plugin_app = {
-        PluginSignals.CONFIG: {
-            ProjectType.LMS: {
-                PluginSignals.RECEIVERS: [{
-                    PluginSignals.RECEIVER_FUNC_NAME: u'update_schedules_on_course_start_changed',
-                    PluginSignals.SIGNAL_PATH: u'openedx.core.djangoapps.content.course_overviews.signals.COURSE_START_DATE_CHANGED',  # pylint: disable=line-too-long
-                }]
-            },
-            ProjectType.CMS: {
-                PluginSignals.RECEIVERS: [{
-                    PluginSignals.RECEIVER_FUNC_NAME: u'update_schedules_on_course_start_changed',
-                    PluginSignals.SIGNAL_PATH: u'openedx.core.djangoapps.content.course_overviews.signals.COURSE_START_DATE_CHANGED',  # pylint: disable=line-too-long
-                }]
-            },
-        },
-    }
-
     def ready(self):
         # noinspection PyUnresolvedReferences
         from . import signals, tasks  # pylint: disable=unused-variable

openedx/core/djangoapps/schedules/signals.py

@@ -17,6 +17,7 @@ from lms.djangoapps.courseware.models import (
     DynamicUpgradeDeadlineConfiguration,
     OrgDynamicUpgradeDeadlineConfiguration
 )
+from openedx.core.djangoapps.content.course_overviews.signals import COURSE_START_DATE_CHANGED
 from openedx.core.djangoapps.schedules.content_highlights import course_has_highlights
 from openedx.core.djangoapps.schedules.models import ScheduleExperience
 from openedx.core.djangoapps.theming.helpers import get_current_site
@@ -58,6 +59,7 @@ def create_schedule(sender, **kwargs):  # pylint: disable=unused-argument
         ))
 
 
+@receiver(COURSE_START_DATE_CHANGED)
 def update_schedules_on_course_start_changed(sender, updated_course_overview, previous_start_date, **kwargs):   # pylint: disable=unused-argument
     """
     Updates all course schedules start and upgrade_deadline dates based off of

setup.py

@@ -76,7 +76,6 @@ setup(
             "discussion = lms.djangoapps.discussion.apps:DiscussionConfig",
             "grades = lms.djangoapps.grades.apps:GradesConfig",
             "plugins = openedx.core.djangoapps.plugins.apps:PluginsConfig",
-            "schedules = openedx.core.djangoapps.schedules.apps:SchedulesConfig",
             "theming = openedx.core.djangoapps.theming.apps:ThemingConfig",
             "bookmarks = openedx.core.djangoapps.bookmarks.apps:BookmarksConfig",
             "zendesk_proxy = openedx.core.djangoapps.zendesk_proxy.apps:ZendeskProxyConfig",