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Code Issues 32 Releases Wiki Activity

Refs #26351 -- Added check hook to support database-related checks

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Thanks Tim Graham and Shai Berger for the reviews.
This commit is contained in:
Claude Paroz
2016-03-19 12:15:09 +01:00
parent 5ac7c8f7ab
commit 0d3c616fbb
9 changed files with 85 additions and 9 deletions
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19
docs/topics/checks.txt
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@@ -120,17 +120,22 @@ The code below is equivalent to the code above::
.. _field-checking:
Field, model, and manager checks
--------------------------------
Field, model, manager, and database checks
------------------------------------------
In some cases, you won't need to register your check function -- you can
piggyback on an existing registration.
Fields, models, and model managers all implement a ``check()`` method that is
already registered with the check framework. If you want to add extra checks,
you can extend the implementation on the base class, perform any extra
checks you need, and append any messages to those generated by the base class.
It's recommended that you delegate each check to separate methods.
Fields, models, model managers, and database backends all implement a
``check()`` method that is already registered with the check framework. If you
want to add extra checks, you can extend the implementation on the base class,
perform any extra checks you need, and append any messages to those generated
by the base class. It's recommended that you delegate each check to separate
methods.
.. versionchanged:: 1.10
Database backend checks were added.
Consider an example where you are implementing a custom field named
``RangedIntegerField``. This field adds ``min`` and ``max`` arguments to the