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Merge pull request #3092 from zhelezov/2826-deprecation-warnings
Fix #2826
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# -*- coding: utf-8 -*- | ||
# This file is part of beets. | ||
# Copyright 2019, Vladimir Zhelezov. | ||
# | ||
# Permission is hereby granted, free of charge, to any person obtaining | ||
# a copy of this software and associated documentation files (the | ||
# "Software"), to deal in the Software without restriction, including | ||
# without limitation the rights to use, copy, modify, merge, publish, | ||
# distribute, sublicense, and/or sell copies of the Software, and to | ||
# permit persons to whom the Software is furnished to do so, subject to | ||
# the following conditions: | ||
# | ||
# The above copyright notice and this permission notice shall be | ||
# included in all copies or substantial portions of the Software. | ||
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from __future__ import absolute_import | ||
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import inspect | ||
from collections import namedtuple | ||
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from six import PY2 | ||
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ArgSpec = namedtuple('ArgSpec', 'args varargs keywords defaults') | ||
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def getargspec(func): | ||
if PY2: | ||
return inspect.getargspec(func) | ||
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sig = inspect.signature(func) | ||
args = [ | ||
p.name for p in sig.parameters.values() | ||
if p.kind == inspect.Parameter.POSITIONAL_OR_KEYWORD | ||
] | ||
varargs = [ | ||
p.name for p in sig.parameters.values() | ||
if p.kind == inspect.Parameter.VAR_POSITIONAL | ||
] | ||
varargs = varargs[0] if varargs else None | ||
varkw = [ | ||
p.name for p in sig.parameters.values() | ||
if p.kind == inspect.Parameter.VAR_KEYWORD | ||
] | ||
varkw = varkw[0] if varkw else None | ||
defaults = tuple(p.default for p in sig.parameters.values() | ||
if p.kind == inspect.Parameter.POSITIONAL_OR_KEYWORD | ||
and p.default is not p.empty) or None | ||
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return ArgSpec(args, varargs, varkw, defaults) |