25 lines
658 B
Python
25 lines
658 B
Python
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import functools
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import warnings
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__all__ = ["_deprecated"]
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def _deprecated(msg, stacklevel=2):
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"""Deprecate a function by emitting a warning on use."""
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def wrap(fun):
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if isinstance(fun, type):
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warnings.warn(
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"Trying to deprecate class {!r}".format(fun),
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category=RuntimeWarning, stacklevel=2)
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return fun
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@functools.wraps(fun)
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def call(*args, **kwargs):
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warnings.warn(msg, category=DeprecationWarning,
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stacklevel=stacklevel)
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return fun(*args, **kwargs)
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call.__doc__ = msg
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return call
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return wrap
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