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bpo-32197: Try to fix a compiler error on OS X introduced in bpo-32030. (#4681)

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* Revert "bpo-32030: _PyPathConfig_Init() sets home and program_name (#4673)"

This reverts commit af5a895073.

* Revert "bpo-32030: Fix config_get_program_name() on macOS (#4669)"

This reverts commit e23c06e2b0.

* Revert "bpo-32030: Add Python/pathconfig.c (#4668)"

This reverts commit 0ea395ae96.

* Revert "bpo-32030: Don't call _PyPathConfig_Fini() in Py_FinalizeEx() (#4667)"

This reverts commit ebac19dad6.

* Revert "bpo-32030: Fix Py_GetPath(): init program_name (#4665)"

This reverts commit 9ac3d88827.
This commit is contained in:
Serhiy Storchaka 2017-12-02 21:36:00 +02:00 • committed by GitHub
parent af5a895073
commit 13badcbc60
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 426 additions and 457 deletions
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64
Python/pylifecycle.c
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@ -804,12 +804,7 @@ _PyMainInterpreterConfig_Read(_PyMainInterpreterConfig *config)
}
if (config->program_name == NULL) {
#ifdef MS_WINDOWS
const wchar_t *program_name = L"python";
#else
const wchar_t *program_name = L"python3";
#endif
config->program_name = _PyMem_RawWcsdup(program_name);
config->program_name = _PyMem_RawWcsdup(Py_GetProgramName());
if (config->program_name == NULL) {
return _Py_INIT_NO_MEMORY();
}
@ -1278,6 +1273,8 @@ Py_FinalizeEx(void)
call_ll_exitfuncs();
_PyPathConfig_Fini();
_PyRuntime_Finalize();
return status;
}
@ -1494,6 +1491,61 @@ Py_EndInterpreter(PyThreadState *tstate)
PyInterpreterState_Delete(interp);
}
#ifdef MS_WINDOWS
static wchar_t *progname = L"python";
#else
static wchar_t *progname = L"python3";
#endif
void
Py_SetProgramName(wchar_t *pn)
{
if (pn && *pn)
progname = pn;
}
wchar_t *
Py_GetProgramName(void)
{
return progname;
}
static wchar_t *default_home = NULL;
void
Py_SetPythonHome(wchar_t *home)
{
default_home = home;
}
wchar_t*
Py_GetPythonHome(void)
{
/* Use a static buffer to avoid heap memory allocation failure.
Py_GetPythonHome() doesn't allow to report error, and the caller
doesn't release memory. */
static wchar_t buffer[MAXPATHLEN+1];
if (default_home) {
return default_home;
}
char *home = Py_GETENV("PYTHONHOME");
if (!home) {
return NULL;
}
size_t size = Py_ARRAY_LENGTH(buffer);
size_t r = mbstowcs(buffer, home, size);
if (r == (size_t)-1 || r >= size) {
/* conversion failed or the static buffer is too small */
return NULL;
}
return buffer;
}
/* Add the __main__ module */
static _PyInitError