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⚡️ Speed up function removesuffix by 5% #201

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⚡️ Speed up function removesuffix by 5% #201

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10 changes: 6 additions & 4 deletions keras/src/utils/python_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -154,10 +154,12 @@ def removeprefix(x, prefix):
def removesuffix(x, suffix):
"""Backport of `removesuffix` from PEP-616 (Python 3.9+)"""

if len(suffix) > 0 and x.endswith(suffix):
return x[: -len(suffix)]
else:
return x
# Avoid computing len(suffix) twice and only check endswith if suffix is non-empty
suffix_len = len(suffix)
if suffix_len > 0:
if x.endswith(suffix):
return x[:-suffix_len]
return x


def remove_by_id(lst, value):
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