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variadic is a Python (2.7+ and 3.4+) function decorator to write variadic functions accepting a mix of arguments and iterables of those arguments. Oh, and they keep their argspec, so tools doing introspection (Sphinx doc, IDEs, etc.) will work well. No ugly f(*args, **kwds) in your doc!

Note that PEP 448 makes variadic obsolete: if you're using Python 3.5+, you should keep plain variadic functions and call them with several argument unpackings.

It's licensed under the MIT license. It's available on the Python package index. Its documentation and its source code are on GitHub.

Questions? Remarks? Bugs? Want to contribute? Open an issue!

Quick start

Install from PyPI:

$ pip install variadic

Import:

>>> from variadic import variadic

Define a function:

>>> @variadic(int)
... def f(*args):
...   return args
>>> f(1, 2, [3, 4], xrange(5, 8))
(1, 2, 3, 4, 5, 6, 7)

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Python decorator for very-variadic functions

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