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gh-107369: optimize textwrap.indent() #107374

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Merged
merged 8 commits into from
Jul 29, 2023
Merged

gh-107369: optimize textwrap.indent() #107374

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94ab051
optimize textwrap.indent()
methane Jul 28, 2023
8c5896c
Add NEWS
methane Jul 28, 2023
6ee731c
Add what's new entry
methane Jul 28, 2023
fad98a2
Use lstrip instead of strip
methane Jul 28, 2023
4c6a46a
avoid temporary tuple.
methane Jul 29, 2023
5e60878
use str.isspace instead of lstrip
methane Jul 29, 2023
16e3dbd
add comment about splitlines(True)
methane Jul 29, 2023
734fd01
25% -> 30%
methane Jul 29, 2023
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avoid temporary tuple.
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@methane
methane committed Jul 29, 2023
commit 4c6a46a3804d61bd05474ae4cce262e4e703fb39
5 changes: 2 additions & 3 deletions Lib/textwrap.py
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Original file line number Diff line number Diff line change
Expand Up @@ -481,9 +481,8 @@ def indent(text, prefix, predicate=None):
prefixed_lines = []
for line in text.splitlines(True):
if predicate(line):
prefixed_lines.extend((prefix, line))
else:
prefixed_lines.append(line)
prefixed_lines.append(prefix)
prefixed_lines.append(line)

return ''.join(prefixed_lines)

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