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Fixed #34822 -- Added support for serializing functions decorated with functools.lru_cache in migrations.

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`@functools.cache` and `@functools.lru_cache` return an object of type
`functools._lru_cache_wrapper` which prevented the migrations serializer from
working. Simply using the existing `FunctionTypeSerializer` for this additional
type works as expected.
This commit is contained in:
Nick Pope 2023-09-13 15:49:10 +01:00 • committed by Natalia
parent c131949e3e
commit f92e68c30a
4 changed files with 23 additions and 1 deletions
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7
docs/topics/migrations.txt
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@ -788,6 +788,8 @@ Django can serialize the following:
- Functions may be decorated if wrapped properly, i.e. using
:func:`functools.wraps`
- The :func:`functools.cache` and :func:`functools.lru_cache` decorators are
explicitly supported
- Unbound methods used from within the class body
- Any class reference (must be in module's top-level scope)
@ -797,6 +799,11 @@ Django can serialize the following:
Serialization support for ``enum.Flag`` was added.
.. versionchanged:: 5.0
Serialization support for functions decorated with :func:`functools.cache`
or :func:`functools.lru_cache` was added.
Django cannot serialize:
- Nested classes