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gh-92256: Improve Argument Clinic parser error messages (GH-92268) 

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
(cherry picked from commit 4bd07d1dbd)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@protonmail.com>
This commit is contained in:
Miss Islington (bot) 2022-05-10 00:48:34 -07:00 committed by GitHub
parent 7540a432ce
commit de3349019b
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1 changed files with 9 additions and 3 deletions
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12
Tools/clinic/clinic.py
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@ -1628,10 +1628,16 @@ class BlockParser:
def is_stop_line(line):
# make sure to recognize stop line even if it
# doesn't end with EOL (it could be the very end of the file)
if not line.startswith(stop_line):
if line.startswith(stop_line):
remainder = line[len(stop_line):]
if remainder and not remainder.isspace():
fail(f"Garbage after stop line: {remainder!r}")
return True
else:
# gh-92256: don't allow incorrectly formatted stop lines
if line.lstrip().startswith(stop_line):
fail(f"Whitespace is not allowed before the stop line: {line!r}")
return False
remainder = line[len(stop_line):]
return (not remainder) or remainder.isspace()
# consume body of program
while self.input: