gh-141388: Fully support non-function callables as annotate functions#141449

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dr-carlos wants to merge 33 commits into

python:mainfrom

dr-carlos:non-function-annotate

Commits on Nov 12, 2025

Add `_get_annotate_attr()` to access attrs on non-func annotates, and implement in fwdref format
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0328ac1
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Implement non-func callable annotate support for `call_annotate_function(format=Format.STRING)`
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d98ef64
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Fix `__code__` access in `_build_closure` for non-func annotates
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b600f8c
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Add `_direct_call_annotate()` and support callable classes
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a9a7f88
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Support `functools.partial` objects as annotate functions
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4703e8d
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Support placeholders in `functools.partial` annotate functions
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6e31007
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Add tests for `call_annotate_function()` with classes, instances, and partials
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f752c48
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Test `get_annotations()` on callable class instance
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9e4faa4
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Support `functools.cache` callables in `call_annotate_function()`
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c4d8d9d
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Improve quality of test for cached annotate function
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a83ca8f
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Don't create an unused new cache wrapper for cached annotate functions
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e6bc7a0
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Test `functools` wrapped as annotate function
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2e4b927
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Support `functools.partialmethod` annotate functions
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4b955a8
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Test `functools.singledispatch`/`functools.singledispatchmethod` annotate functions
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f5ea8a0
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Support methods as annotate functions
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a43a873
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Test classmethods and staticmethods as annotate functions
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a3b68ee
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Update and simplify classmethod/staticmethod annotate function tests
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ea60223
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Add standard method annotate function test
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c16083b
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Commits on Nov 13, 2025

Support and test generics as annotate callables
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ba1927c
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Commits on Nov 14, 2025

Add secondary test for staticmethod as annotate function
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b96532f
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Test `typing._BaseGenericAlias` callables as annotate functions
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e70b489
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Support recursive unwrapping of annotate functions
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8df3d24
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Support recursive unwrapping and calling of methods as annotate functions
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61b76a5
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Support (recursively unwrap/call) any type of callable as an annotation function class' __call__ attribute
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ac888cc
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Add test to actually instantiate class for callable class as an annotate function
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6a48bbe
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Test that `GenericAlias` objects which cannot have `__orig_class__` set don't raise an error when used as annotate functions
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1d35db0
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Commits on Nov 18, 2025

Improve comments and cleanup new tests
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c2cccff
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Improve test for annotation function as method of non-function callable
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2ca8f95
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Support fake globals in Python generic classes' __init__ methods
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33c9d13
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Improve comments for annotate callables in `annotationlib`
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d2dc8a3
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Add NEWS entry
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4acb56b
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Commits on Nov 19, 2025

Support arbitrary callables as __init__ methods for class annotate functions
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b749c49
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Improve error message when `__code__` attribute is not found on annotate function
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a76d794
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