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Fixed #23627 -- Allowed register_lookup to work as a decorator.

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This commit is contained in:
Marc Tamlyn 2014-10-09 17:04:50 +01:00
parent d6a87eefd8
commit 92a17eaae0
5 changed files with 22 additions and 14 deletions
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12
docs/howto/custom-lookups.txt
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@ -46,6 +46,18 @@ it with ``Field`` directly::
from django.db.models.fields import Field
Field.register_lookup(NotEqual)
Lookup registration can also be done using a decorator pattern::
from django.db.models.fields import Field
@Field.registerLookup
class NotEqualLookup(Lookup):
# ...
.. versionchanged:: 1.8
The ability to use the decorator pattern was added.
We can now use ``foo__ne`` for any field ``foo``. You will need to ensure that
this registration happens before you try to create any querysets using it. You
could place the implementation in a ``models.py`` file, or register the lookup