New submission from Terrence Cole <terre...@zettabytestorage.com>:
__annotations__ should be included in the set of attributes copied by default
to a wrapped method.
An example of the problem:
>>> from functools import wraps
>>> def mydecorator(fn):
... @wraps(fn)
... def inner(*args, **kwargs):
... return fn(*args, **kwargs)
... return inner
...
>>> @mydecorator
... def foo(a:int, b:str):
... pass
...
>>> foo.__annotations__
{}
With the included fix:
>>> foo.__annotations__
{'a': <class 'int'>, 'b': <class 'str'>}
----------
components: Library (Lib)
files: functools-wrapper-assign-annotations.diff
keywords: patch
messages: 106394
nosy: terrence
priority: normal
severity: normal
status: open
title: functools.WRAPPER_ASSIGNMENTS should include __annotations__
type: behavior
versions: Python 3.1, Python 3.2, Python 3.3
Added file:
http://bugs.python.org/file17453/functools-wrapper-assign-annotations.diff
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue8814>
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