Currently there is no option to schedule bulk emails to be sent
out at a specific time for instructor led courses. It would reduce
the effort required to create an engaging course if instructor led
course teams had the option to turn on weekly highlight emails as
well.
PROD-575
Fix the issue that was preventing us from upgrading pytest. pytest does some manipulation of test packages that prevents `pkg_resources` from loading resources from them, but used to contain a workaround for the problem. That workaround was [removed](https://github.com/pytest-dev/pytest/issues/5392) in 4.6.0 as a performance enhancement when pytest switched from `pkg_resources` to `importlib-metadata` for its own entrypoint handling. This tripped up one of our test modules which defined classes that loaded templates from inside a test package. Moving these resources to the parent package fixes the problem.
More and more, `pkg_resources` is being abandoned in favor of `importlib-metadata` and `importlib_resources` as they have a simpler design with much better performance. However, `importlib_resources` doesn't support loading files from any directory which isn't itself a Python package (and doesn't allow direct use of paths including directories within the package). Jinja2 chose a [different approach](https://github.com/pallets/jinja/pull/1082) that we may want to emulate in our resource handling.
Also fixed usage of a removed `pytest.raises()` parameter and a bug in our configuration of the `common/lib` tests that became a problem after the upgrade.
Scheduled emails show "unsubscribe" link if waffle switch
`schedules.course_update_show_unsubscribe` is enabled, and
settings.ACE_ENABLED_POLICIES respects `bulk_email_optout`.
API endpoint allows GET/POST requests, which:
* GET asks for confirmation of opt-out
* POST accepts "unsubscribe" or "cancel", where "unsubscribe" creates the
Optout entry, and "cancel" does nothing.
Fixes flaky tests:
* The resolvers handle users in "bins", which are groups that depend on the user ID.
* The test user ID varies depending on the test order.
* This change ensures that the bin requested matches the user for the test.
Some of the email templates are escaped
in such a way that could potentially cause
double escaping i.e via django default behaviour
and other via interpolate_html tag. Fixing it
by only applying escape via tag.
PROD-810
* Fix type mismatches in the course_modes migrations
* Fix type mismatches in the course_action_state migrations
* Fix type mismatches in the schedules migrations
* Fix type mismatches in grades migrations
* Fix type mismatches in video_pipeline
* Fix type mismatches in api_admin
* Fix mismatches in credential migrations
Scheduled emails show "unsubscribe" link if waffle switch `schedules.course_update_show_unsubscribe` is enabled, and
settings.ACE_ENABLED_POLICIES respects `bulk_email_optout`.
API endpoint allows GET/POST requests, which:
* GET asks for confirmation of opt-out
* POST accepts "unsubscribe" or "cancel", where "unsubscribe" creates the
Optout entry, and "cancel" does nothing.
Implementation for DE-1089.
Centralize the definition of context into a single method. This is in
common/djangoapps/track because the context is originally set there by
middleware.