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[1.10.x] Clarified when the post_migrate signal is sent during migrate.

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Backport of 7cdc2015e37e7fd9a0e5ff7315a61086c2aad803 from master
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Thomas Güttler 2016-10-19 11:37:04 +02:00 committed by Tim Graham
parent 736f7e7ed7
commit 72d174bc4e
1 changed files with 5 additions and 5 deletions
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docs/ref/signals.txt
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@ -429,13 +429,13 @@ Arguments sent with this signal:
.. data:: django.db.models.signals.post_migrate
:module:
Sent by the :djadmin:`migrate` command after it installs an application, and the
:djadmin:`flush` command. It's not emitted for applications that lack a
Sent at the end of the :djadmin:`migrate` (even if no migrations are run) and
:djadmin:`flush` commands. It's not emitted for applications that lack a
``models`` module.
It is important that handlers of this signal perform idempotent changes (e.g.
no database alterations) as this may cause the :djadmin:`flush` management
command to fail if it also ran during the :djadmin:`migrate` command.
Handlers of this signal must not perform database schema alterations as doing
so may cause the :djadmin:`flush` command to fail if it runs during the
:djadmin:`migrate` command.
Arguments sent with this signal: