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gh-132449: Improve syntax error messages for keywords with typos (#132450)

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Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
This commit is contained in:
Pablo Galindo Salgado 2025-04-22 10:01:55 +01:00 • committed by GitHub
parent 3cfab449ab
commit bf3a0a1c0f
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12 changed files with 818 additions and 450 deletions
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15
Lib/codeop.py
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@ -47,7 +47,7 @@ PyCF_DONT_IMPLY_DEDENT = 0x200
PyCF_ONLY_AST = 0x400
PyCF_ALLOW_INCOMPLETE_INPUT = 0x4000
def _maybe_compile(compiler, source, filename, symbol):
def _maybe_compile(compiler, source, filename, symbol, flags):
# Check for source consisting of only blank lines and comments.
for line in source.split("\n"):
line = line.strip()
@ -61,10 +61,10 @@ def _maybe_compile(compiler, source, filename, symbol):
with warnings.catch_warnings():
warnings.simplefilter("ignore", (SyntaxWarning, DeprecationWarning))
try:
compiler(source, filename, symbol)
compiler(source, filename, symbol, flags=flags)
except SyntaxError: # Let other compile() errors propagate.
try:
compiler(source + "\n", filename, symbol)
compiler(source + "\n", filename, symbol, flags=flags)
return None
except _IncompleteInputError as e:
return None
@ -74,14 +74,13 @@ def _maybe_compile(compiler, source, filename, symbol):
return compiler(source, filename, symbol, incomplete_input=False)
def _compile(source, filename, symbol, incomplete_input=True):
flags = 0
def _compile(source, filename, symbol, incomplete_input=True, *, flags=0):
if incomplete_input:
flags |= PyCF_ALLOW_INCOMPLETE_INPUT
flags |= PyCF_DONT_IMPLY_DEDENT
return compile(source, filename, symbol, flags)
def compile_command(source, filename="<input>", symbol="single"):
def compile_command(source, filename="<input>", symbol="single", flags=0):
r"""Compile a command and determine whether it is incomplete.
Arguments:
@ -100,7 +99,7 @@ def compile_command(source, filename="<input>", symbol="single"):
syntax error (OverflowError and ValueError can be produced by
malformed literals).
"""
return _maybe_compile(_compile, source, filename, symbol)
return _maybe_compile(_compile, source, filename, symbol, flags)
class Compile:
"""Instances of this class behave much like the built-in compile
@ -152,4 +151,4 @@ class CommandCompiler:
syntax error (OverflowError and ValueError can be produced by
malformed literals).
"""
return _maybe_compile(self.compiler, source, filename, symbol)
return _maybe_compile(self.compiler, source, filename, symbol, flags=self.compiler.flags)