8000 Outdated post PEP-709 comment in `Python/codegen.c` · Issue #125832 · python/cpython · GitHub
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Outdated post PEP-709 comment in Python/codegen.c #125832
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Outdated post PEP-709 comment in Python/codegen.c#125832
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easyinterpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error
@Eclips4

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@Eclips4
Eclips4
opened on Oct 22, 2024

Bug report

Bug description:

After the implementation of https://peps.python.org/pep-0709/, this comment looks wrong:

cpython/Python/codegen.c

Lines 4079 to 4090 in 57e3c59

/* List and set comprehensions and generator expressions work by creating a
nested function to perform the actual iteration. This means that the
iteration variables don't leak into the current scope.
The defined function is called immediately following its definition, with the
result of that call being the result of the expression.
The LC/SC version returns the populated container, while the GE version is
flagged in symtable.c as a generator, so it returns the generator object
when the function is called.
Possible cleanups:
- iterate over the generator sequence instead of using recursion
*/

CPython versions tested on:

CPython main branch

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easyinterpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

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