diff options
Diffstat (limited to 'Python/pathconfig.c')
| -rw-r--r-- | Python/pathconfig.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/Python/pathconfig.c b/Python/pathconfig.c deleted file mode 100644 index 6a03f7d..0000000 --- a/Python/pathconfig.c +++ /dev/null @@ -1,266 +0,0 @@ -/* Path configuration like module_search_path (sys.path) */ - -#include "Python.h" -#include "osdefs.h" -#include "internal/pystate.h" - -#ifdef __cplusplus -extern "C" { -#endif - - -_PyPathConfig _Py_path_config = _PyPathConfig_INIT; - - -void -_PyPathConfig_Clear(_PyPathConfig *config) -{ - /* _PyMem_SetDefaultAllocator() is needed to get a known memory allocator, - since Py_SetPath(), Py_SetPythonHome() and Py_SetProgramName() can be - called before Py_Initialize() which can changes the memory allocator. */ - PyMemAllocatorEx old_alloc; - _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc); - -#define CLEAR(ATTR) \ - do { \ - PyMem_RawFree(ATTR); \ - ATTR = NULL; \ - } while (0) - - CLEAR(config->prefix); - CLEAR(config->program_full_path); -#ifdef MS_WINDOWS - CLEAR(config->dll_path); -#else - CLEAR(config->exec_prefix); -#endif - CLEAR(config->module_search_path); - CLEAR(config->home); - CLEAR(config->program_name); -#undef CLEAR - - PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc); -} - - -/* Initialize paths for Py_GetPath(), Py_GetPrefix(), Py_GetExecPrefix() - and Py_GetProgramFullPath() */ -_PyInitError -_PyPathConfig_Init(const _PyMainInterpreterConfig *main_config) -{ - if (_Py_path_config.module_search_path) { - /* Already initialized */ - return _Py_INIT_OK(); - } - - _PyInitError err; - _PyPathConfig new_config = _PyPathConfig_INIT; - - PyMemAllocatorEx old_alloc; - _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc); - - /* Calculate program_full_path, prefix, exec_prefix (Unix) - or dll_path (Windows), and module_search_path */ - err = _PyPathConfig_Calculate(&new_config, main_config); - if (_Py_INIT_FAILED(err)) { - _PyPathConfig_Clear(&new_config); - goto done; - } - - /* Copy home and program_name from main_config */ - if (main_config->home != NULL) { - new_config.home = _PyMem_RawWcsdup(main_config->home); - if (new_config.home == NULL) { - err = _Py_INIT_NO_MEMORY(); - goto done; - } - } - else { - new_config.home = NULL; - } - - new_config.program_name = _PyMem_RawWcsdup(main_config->program_name); - if (new_config.program_name == NULL) { - err = _Py_INIT_NO_MEMORY(); - goto done; - } - - _PyPathConfig_Clear(&_Py_path_config); - _Py_path_config = new_config; - - err = _Py_INIT_OK(); - -done: - PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc); - return err; -} - - -static void -pathconfig_global_init(void) -{ - if (_Py_path_config.module_search_path) { - /* Already initialized */ - return; - } - - _PyInitError err; - _PyMainInterpreterConfig config = _PyMainInterpreterConfig_INIT; - - err = _PyMainInterpreterConfig_ReadEnv(&config); - if (_Py_INIT_FAILED(err)) { - goto error; - } - - err = _PyMainInterpreterConfig_Read(&config); - if (_Py_INIT_FAILED(err)) { - goto error; - } - - err = _PyPathConfig_Init(&config); - if (_Py_INIT_FAILED(err)) { - goto error; - } - - _PyMainInterpreterConfig_Clear(&config); - return; - -error: - _PyMainInterpreterConfig_Clear(&config); - _Py_FatalInitError(err); -} - - -/* External interface */ - -void -Py_SetPath(const wchar_t *path) -{ - if (path == NULL) { - _PyPathConfig_Clear(&_Py_path_config); - return; - } - - PyMemAllocatorEx old_alloc; - _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc); - - _PyPathConfig new_config; - new_config.program_full_path = _PyMem_RawWcsdup(Py_GetProgramName()); - new_config.prefix = _PyMem_RawWcsdup(L""); -#ifdef MS_WINDOWS - new_config.dll_path = _PyMem_RawWcsdup(L""); -#else - new_config.exec_prefix = _PyMem_RawWcsdup(L""); -#endif - new_config.module_search_path = _PyMem_RawWcsdup(path); - - /* steal the home and program_name values (to leave them unchanged) */ - new_config.home = _Py_path_config.home; - _Py_path_config.home = NULL; - new_config.program_name = _Py_path_config.program_name; - _Py_path_config.program_name = NULL; - - _PyPathConfig_Clear(&_Py_path_config); - _Py_path_config = new_config; - - PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc); -} - - -void -Py_SetPythonHome(wchar_t *home) -{ - if (home == NULL) { - return; - } - - PyMemAllocatorEx old_alloc; - _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc); - - PyMem_RawFree(_Py_path_config.home); - _Py_path_config.home = _PyMem_RawWcsdup(home); - - PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc); - - if (_Py_path_config.home == NULL) { - Py_FatalError("Py_SetPythonHome() failed: out of memory"); - } -} - - -void -Py_SetProgramName(wchar_t *program_name) -{ - if (program_name == NULL || program_name[0] == L'\0') { - return; - } - - PyMemAllocatorEx old_alloc; - _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc); - - PyMem_RawFree(_Py_path_config.program_name); - _Py_path_config.program_name = _PyMem_RawWcsdup(program_name); - - PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc); - - if (_Py_path_config.program_name == NULL) { - Py_FatalError("Py_SetProgramName() failed: out of memory"); - } -} - - -wchar_t * -Py_GetPath(void) -{ - pathconfig_global_init(); - return _Py_path_config.module_search_path; -} - - -wchar_t * -Py_GetPrefix(void) -{ - pathconfig_global_init(); - return _Py_path_config.prefix; -} - - -wchar_t * -Py_GetExecPrefix(void) -{ -#ifdef MS_WINDOWS - return Py_GetPrefix(); -#else - pathconfig_global_init(); - return _Py_path_config.exec_prefix; -#endif -} - - -wchar_t * -Py_GetProgramFullPath(void) -{ - pathconfig_global_init(); - return _Py_path_config.program_full_path; -} - - -wchar_t* -Py_GetPythonHome(void) -{ - pathconfig_global_init(); - return _Py_path_config.home; -} - - -wchar_t * -Py_GetProgramName(void) -{ - pathconfig_global_init(); - return _Py_path_config.program_name; -} - - -#ifdef __cplusplus -} -#endif |