[issue33451] Start pyc file lock the file

[Eryk Sun]

Eryk Sun <eryksun at gmail.com> added the comment:

In Python/pythonrun.c, PyRun_SimpleFileExFlags() reopens the PYC file in binary mode, passes it to run_pyc_file(), and only closes it after executing the script. The file should instead be closed in run_pyc_file(), before calling PyEval_EvalCode().

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nosy: +eryksun
versions: +Python 3.7, Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33451>
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