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gh-56708: support custom len function in textwrap.wrap by xi · Pull Request #28136 · python/cpython · GitHub
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gh-56708: support custom len function in textwrap.wrap #28136

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xi wants to merge 12 commits into from
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gh-56708: support custom len function in textwrap.wrap #28136

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df3f367
bpo-12499: textwrap.wrap: add control for fonts with different charac…
xi Sep 3, 2021
97a2ec8
react to feedback
xi Sep 3, 2021
db82b6c
typo
xi Sep 3, 2021
f457e20
fix missing len occurences
xi Sep 3, 2021
e164780
add more tests
xi Sep 4, 2021
09ce4ce
fix idle test
xi Sep 5, 2021
bf8dad5
optimize text_len function
xi Sep 5, 2021
68e8098
fixup
xi Oct 13, 2021
e5d6d88
_find_width_index and _handle_long_word change
tiptenbrink Nov 9, 2021
7b32d0b
Apply changes, ensure min 1 char on line
tiptenbrink Nov 10, 2021
b811049
Merge pull request #2 from tiptenbrink/textwrap-len
xi Nov 11, 2021
95fcafd
Merge branch 'main' into textwrap-len
serhiy-storchaka Dec 8, 2025
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fix missing len occurences
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@xi
xi committed Sep 3, 2021
commit f457e20d835bc5099da512fb621b64ea887306ef
4 changes: 2 additions & 2 deletions Lib/textwrap.py
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Original file line number Diff line number Diff line change
Expand Up @@ -291,7 +291,7 @@ def _wrap_chunks(self, chunks):
del chunks[-1]

while chunks:
l = len(chunks[-1])
l = self.text_len(chunks[-1])

# Can at least squeeze this chunk onto the current line.
if cur_len + l <= width:
Expand All @@ -304,7 +304,7 @@ def _wrap_chunks(self, chunks):

# The current line is full, and the next chunk is too big to
# fit on *any* line (not just this one).
if chunks and len(chunks[-1]) > width:
if chunks and self.text_len(chunks[-1]) > width:
self._handle_long_word(chunks, cur_line, cur_len, width)
cur_len = sum(map(self.text_len, cur_line))

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