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bpo-34170: _PyCoreConfig_Read() leaves Py_IsolatedFlag unchanged (GH-8361)

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* _PyCoreConfig_Read() no longer directly modifies Py_IsolatedFlag
  and Py_NoSiteFlag global configuration flags. The function now
  requires two pointers to integer, so these flags can be set later,
  to avoid side effets in _PyCoreConfig_Read().
* pathconfig_global_init() now leaves Py_IsolatedFlag and
  Py_NoSiteFlag unchanged.
* Fix pathconfig_global_init(): avoid computing the path
  configuration twice, use _PyCoreConfig_SetPathConfig().
This commit is contained in:
Victor Stinner 2018-07-21 03:54:20 +02:00 • committed by GitHub
parent c884616390
commit f2626ce6d4
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6 changed files with 44 additions and 41 deletions
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10
Include/internal/pystate.h
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@ -52,9 +52,17 @@ typedef struct _PyPathConfig {
wchar_t *program_name;
/* Set by Py_SetPythonHome() or PYTHONHOME environment variable */
wchar_t *home;
/* isolated and no_site_import are used to set Py_IsolatedFlag and
Py_NoSiteFlag flags on Windows in read_pth_file(). These fields
are ignored when their value are equal to -1 (unset). */
int isolated;
int no_site_import;
} _PyPathConfig;
#define _PyPathConfig_INIT {.module_search_path = NULL}
#define _PyPathConfig_INIT \
{.module_search_path = NULL, \
.isolated = -1, \
.no_site_import = -1}
/* Note: _PyPathConfig_INIT sets other fields to 0/NULL */
PyAPI_DATA(_PyPathConfig) _Py_path_config;