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Test speedup: Monkey patch Kombu entrypoints fn.

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We monkey patch Kombu's entrypoints listing because scanning through
this accounts for the majority of LMS/Studio startup time for tests,
and we don't use custom Kombu serializers (which is what this is for).
Still, this is pretty evil, and should be taken out when we update
Celery to the next version where it looks like this method of custom
serialization has been removed.

FWIW, this is identical behavior to what happens in Kombu if
pkg_resources isn't available.
This commit is contained in:
David Ormsbee
2017-03-14 13:45:40 -04:00
parent 23c1ee3231
commit 294bbe7fe0
2 changed files with 22 additions and 0 deletions
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11
cms/__init__.py
View File

@@ -4,6 +4,17 @@ registration and discovery can work correctly.
"""
from __future__ import absolute_import
# We monkey patch Kombu's entrypoints listing because scanning through this
# accounts for the majority of LMS/Studio startup time for tests, and we don't
# use custom Kombu serializers (which is what this is for). Still, this is
# pretty evil, and should be taken out when we update Celery to the next version
# where it looks like this method of custom serialization has been removed.
#
# FWIW, this is identical behavior to what happens in Kombu if pkg_resources
# isn't available.
import kombu.utils
kombu.utils.entrypoints = lambda namespace: iter([])
# This will make sure the app is always imported when
# Django starts so that shared_task will use this app.
from .celery import APP as CELERY_APP

11
lms/__init__.py
View File

@@ -4,6 +4,17 @@ registration and discovery can work correctly.
"""
from __future__ import absolute_import
# We monkey patch Kombu's entrypoints listing because scanning through this
# accounts for the majority of LMS/Studio startup time for tests, and we don't
# use custom Kombu serializers (which is what this is for). Still, this is
# pretty evil, and should be taken out when we update Celery to the next version
# where it looks like this method of custom serialization has been removed.
#
# FWIW, this is identical behavior to what happens in Kombu if pkg_resources
# isn't available.
import kombu.utils
kombu.utils.entrypoints = lambda namespace: iter([])
# This will make sure the app is always imported when
# Django starts so that shared_task will use this app.
from .celery import APP as CELERY_APP