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bpo-36142: Rework error reporting in pymain_main() #12113

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Merged
vstinner merged 1 commit into from
Mar 1, 2019
Merged

bpo-36142: Rework error reporting in pymain_main() #12113

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11 changes: 7 additions & 4 deletions Include/cpython/coreconfig.h
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ typedef struct {
const char *prefix;
const char *msg;
int user_err;
int exitcode;
} _PyInitError;

/* Almost all errors causing Python initialization to fail */
Expand All @@ -22,16 +23,18 @@ typedef struct {
#endif

#define _Py_INIT_OK() \
(_PyInitError){.prefix = NULL, .msg = NULL, .user_err = 0}
(_PyInitError){.prefix = NULL, .msg = NULL, .user_err = 0, .exitcode = -1}
#define _Py_INIT_ERR(MSG) \
(_PyInitError){.prefix = _Py_INIT_GET_FUNC(), .msg = (MSG), .user_err = 0}
(_PyInitError){.prefix = _Py_INIT_GET_FUNC(), .msg = (MSG), .user_err = 0, .exitcode = -1}
/* Error that can be fixed by the user like invalid input parameter.
Don't abort() the process on such error. */
#define _Py_INIT_USER_ERR(MSG) \
(_PyInitError){.prefix = _Py_INIT_GET_FUNC(), .msg = (MSG), .user_err = 1}
(_PyInitError){.prefix = _Py_INIT_GET_FUNC(), .msg = (MSG), .user_err = 1, .exitcode = -1}
#define _Py_INIT_NO_MEMORY() _Py_INIT_USER_ERR("memory allocation failed")
#define _Py_INIT_EXIT(EXITCODE) \
(_PyInitError){.prefix = NULL, .msg = NULL, .user_err = 0, .exitcode = (EXITCODE)}
#define _Py_INIT_FAILED(err) \
(err.msg != NULL)
(err.msg != NULL || err.exitcode != -1)

/* _PyCoreConfig */

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2 changes: 1 addition & 1 deletion Include/cpython/pylifecycle.h
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ PyAPI_FUNC(_PyInitError) _Py_InitializeMainInterpreter(

PyAPI_FUNC(_PyInitError) _Py_InitializeFromConfig(
const _PyCoreConfig *config);
PyAPI_FUNC(void) _Py_NO_RETURN _Py_FatalInitError(_PyInitError err);
PyAPI_FUNC(void) _Py_NO_RETURN _Py_ExitInitError(_PyInitError err);

/* Py_PyAtExit is for the atexit module, Py_AtExit is for low-level
* exit functions.
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