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[3.9] bpo-45975: Use walrus operator for some idlelib while loops (GH-31083)

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co-authored by Nick Drozd
cherrypicked from 51a95be1d0
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Terry Jan Reedy 2022-02-02 22:12:38 -05:00 • committed by GitHub
parent 3c6173ca67
commit fafd2dadf6
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3 changed files with 7 additions and 16 deletions
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7
Lib/idlelib/replace.py
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@ -156,11 +156,8 @@ class ReplaceDialog(SearchDialogBase):
first = last = None
# XXX ought to replace circular instead of top-to-bottom when wrapping
text.undo_block_start()
while True:
res = self.engine.search_forward(text, prog, line, col,
wrap=False, ok=ok)
if not res:
break
while (res := self.engine.search_forward(
text, prog, line, col, wrap=False, ok=ok)):
line, m = res
chars = text.get("%d.0" % line, "%d.0" % (line+1))
orig = m.group()