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gh-122237: Fix REPL wrong auto-indentation with comments #122238

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gh-122237: Fix REPL wrong auto-indentation with comments #122238

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13 changes: 11 additions & 2 deletions Lib/_pyrepl/readline.py
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Original file line number Diff line number Diff line change
Expand Up @@ -249,7 +249,7 @@ def _should_auto_indent(buffer: list[str], pos: int) -> bool:
while pos > 0:
pos -= 1
if last_char is None:
if buffer[pos] not in " \t\n": # ignore whitespaces
if buffer[pos] not in " \t\n#": # ignore whitespaces
last_char = buffer[pos]
else:
# even if we found a non-whitespace character before
Expand All @@ -258,7 +258,16 @@ def _should_auto_indent(buffer: list[str], pos: int) -> bool:
if buffer[pos] == "\n":
break
if buffer[pos] == "#":
last_char = None
while pos:
pos -= 1
char = buffer[pos]
if char == "\n":
return False
elif char not in " \t#":
last_char = char
break
else:
return False
return last_char == ":"


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