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25 lines
614 B
Python
25 lines
614 B
Python
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# This file is part of the pycalver project
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# https://github.com/mbarkhau/pycalver
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#
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# Copyright (c) 2018-2020 Manuel Barkhau (mbarkhau@gmail.com) - MIT License
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# SPDX-License-Identifier: MIT
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import typing as typ
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import functools
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# NOTE (mb 2020-09-24): The main use of the memo function is
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# not as a performance optimization, but to reduce logging
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# spam.
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def memo(func: typ.Callable) -> typ.Callable:
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cache = {}
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@functools.wraps(func)
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def wrapper(*args):
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key = str(args)
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if key not in cache:
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cache[key] = func(*args)
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return cache[key]
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return wrapper
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