29 lines
732 B
Python
29 lines
732 B
Python
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"""
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Python3.9 introduces removesuffix and remove prefix.
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They're reimplemented here for use in Python3.8.
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NOTE: when pyupgrade --py39-plus removes nearly everything in this file,
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this file and the associated tests should be removed.
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"""
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from __future__ import annotations
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import sys
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if sys.version_info < (3, 9):
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def removesuffix(string: str, suffix: str) -> str:
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if string.endswith(suffix):
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return string[: -len(suffix)]
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return string
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def removeprefix(string: str, prefix: str) -> str:
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if string.startswith(prefix):
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return string[len(prefix) :]
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return string
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else:
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# NOTE: remove this file when pyupgrade --py39-plus removes
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# the above block
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pass
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