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bpo-42260: Main init modify sys.flags in-place (GH-23150)

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When Py_Initialize() is called twice, the second call now updates
more sys attributes for the configuration, rather than only sys.argv.

* Rename _PySys_InitMain() to _PySys_UpdateConfig().
* _PySys_UpdateConfig() now modifies sys.flags in-place, instead of
  creating a new flags object.
* Remove old commented sys.flags flags (unbuffered and skip_first).
* Add private _PySys_GetObject() function.
* When Py_Initialize(), Py_InitializeFromConfig() and
This commit is contained in:
Victor Stinner 2020-11-04 17:34:34 +01:00 • committed by GitHub
parent 58ca33b467
commit af1d64d9f7
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4 changed files with 90 additions and 75 deletions
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2
Include/internal/pycore_pylifecycle.h
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@ -44,7 +44,7 @@ extern PyStatus _PySys_Create(
PyObject **sysmod_p);
extern PyStatus _PySys_ReadPreinitWarnOptions(PyWideStringList *options);
extern PyStatus _PySys_ReadPreinitXOptions(PyConfig *config);
extern int _PySys_InitMain(PyThreadState *tstate);
extern int _PySys_UpdateConfig(PyThreadState *tstate);
extern PyStatus _PyExc_Init(PyThreadState *tstate);
extern PyStatus _PyErr_Init(void);
extern PyStatus _PyBuiltins_AddExceptions(PyObject * bltinmod);