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Fixed #24351, #24346 -- Changed the signature of allow_migrate().

Browse source 
The new signature enables better support for routing RunPython and
RunSQL operations, especially w.r.t. reusable and third-party apps.

This commit also takes advantage of the deprecation cycle for the old
signature to remove the backward incompatibility introduced in #22583;
RunPython and RunSQL won't call allow_migrate() when when the router
has the old signature.

Thanks Aymeric Augustin and Tim Graham for helping shape up the patch.

Refs 22583.
This commit is contained in:
Loic Bistuer 2015-02-19 14:27:58 +07:00
parent dd0b487872
commit bed504d70b
26 changed files with 221 additions and 117 deletions
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7
tests/cache/tests.py vendored
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@ -956,14 +956,17 @@ class DBCacheRouter(object):
def db_for_read(self, model, **hints):
if model._meta.app_label == 'django_cache':
return 'other'
return None
def db_for_write(self, model, **hints):
if model._meta.app_label == 'django_cache':
return 'other'
return None
def allow_migrate(self, db, model):
if model._meta.app_label == 'django_cache':
def allow_migrate(self, db, app_label, **hints):
if app_label == 'django_cache':
return db == 'other'
return None
@override_settings(