Python function signatures from PEP362 for Python 2.6, 2.7 and 3.2+
To obtain a signature object, pass the target function to the funcsigs.signature function.
>>> from funcsigs import signature >>> def foo(a, b=None, *args, **kwargs): ... pass >>> sig = signature(foo)
For the details of the signature object, refer to the either the package of standard library documentation.
The funcsigs backport has been tested against:
- CPython 2.6
- CPython 2.7
- CPython 3.2
- PyPy 1.9
Continuous integration testing is provided by Travis CI.
Under Python 2.x there is a compatability issue when a function is assigned to the __wrapped__ property of a class after it has been constructed. Similiarily there under PyPy directly passing the __call__ method of a builtin is also a compatability issues. Otherwise the functionality is believed to be uniform between both Python2 and Python3.
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