diff options
Diffstat (limited to 'Python')
-rw-r--r-- | Python/pythonrun.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/Python/pythonrun.c b/Python/pythonrun.c index 026fcfa..73fef75 100644 --- a/Python/pythonrun.c +++ b/Python/pythonrun.c @@ -719,259 +719,6 @@ initmain(void) } } -/* Redecode a filename from the default filesystem encoding (utf-8) to - 'new_encoding' encoding with 'errors' error handler */ -static PyObject* -redecode_filename(PyObject *file, const char *new_encoding, - const char *errors) -{ - PyObject *file_bytes, *new_file; - - file_bytes = PyUnicode_EncodeFSDefault(file); - if (file_bytes == NULL) - return NULL; - new_file = PyUnicode_Decode( - PyBytes_AsString(file_bytes), - PyBytes_GET_SIZE(file_bytes), - new_encoding, - errors); - Py_DECREF(file_bytes); - return new_file; -} - -/* Redecode a path list */ -static int -redecode_path_list(PyObject *paths, - const char *new_encoding, const char *errors) -{ - PyObject *filename, *new_filename; - Py_ssize_t i, size; - - size = PyList_Size(paths); - for (i=0; i < size; i++) { - filename = PyList_GetItem(paths, i); - if (filename == NULL) - return -1; - - new_filename = redecode_filename(filename, new_encoding, errors); - if (new_filename == NULL) - return -1; - if (PyList_SetItem(paths, i, new_filename)) { - Py_DECREF(new_filename); - return -1; - } - } - return 0; -} - -/* Redecode __file__ and __path__ attributes of sys.modules */ -static int -redecode_sys_modules(const char *new_encoding, const char *errors) -{ - PyInterpreterState *interp; - PyObject *modules, *values, *file, *new_file, *paths; - PyObject *iter = NULL, *module = NULL; - - interp = PyThreadState_GET()->interp; - modules = interp->modules; - - values = PyObject_CallMethod(modules, "values", ""); - if (values == NULL) - goto error; - - iter = PyObject_GetIter(values); - Py_DECREF(values); - if (iter == NULL) - goto error; - - while (1) - { - module = PyIter_Next(iter); - if (module == NULL) { - if (PyErr_Occurred()) - goto error; - else - break; - } - - file = PyModule_GetFilenameObject(module); - if (file != NULL) { - new_file = redecode_filename(file, new_encoding, errors); - Py_DECREF(file); - if (new_file == NULL) - goto error; - if (PyObject_SetAttrString(module, "__file__", new_file)) { - Py_DECREF(new_file); - goto error; - } - Py_DECREF(new_file); - } - else - PyErr_Clear(); - - paths = PyObject_GetAttrString(module, "__path__"); - if (paths != NULL) { - if (redecode_path_list(paths, new_encoding, errors)) - goto error; - } - else - PyErr_Clear(); - - Py_CLEAR(module); - } - Py_CLEAR(iter); - return 0; - -error: - Py_XDECREF(iter); - Py_XDECREF(module); - return -1; -} - -/* Redecode sys.path_importer_cache keys */ -static int -redecode_sys_path_importer_cache(const char *new_encoding, const char *errors) -{ - PyObject *path_importer_cache, *items, *item, *path, *importer, *new_path; - PyObject *new_cache = NULL, *iter = NULL; - - path_importer_cache = PySys_GetObject("path_importer_cache"); - if (path_importer_cache == NULL) - goto error; - - items = PyObject_CallMethod(path_importer_cache, "items", ""); - if (items == NULL) - goto error; - - iter = PyObject_GetIter(items); - Py_DECREF(items); - if (iter == NULL) - goto error; - - new_cache = PyDict_New(); - if (new_cache == NULL) - goto error; - - while (1) - { - item = PyIter_Next(iter); - if (item == NULL) { - if (PyErr_Occurred()) - goto error; - else - break; - } - path = PyTuple_GET_ITEM(item, 0); - importer = PyTuple_GET_ITEM(item, 1); - - new_path = redecode_filename(path, new_encoding, errors); - if (new_path == NULL) - goto error; - if (PyDict_SetItem(new_cache, new_path, importer)) { - Py_DECREF(new_path); - goto error; - } - Py_DECREF(new_path); - } - Py_CLEAR(iter); - if (PySys_SetObject("path_importer_cache", new_cache)) - goto error; - Py_CLEAR(new_cache); - return 0; - -error: - Py_XDECREF(iter); - Py_XDECREF(new_cache); - return -1; -} - -/* Redecode co_filename attribute of all code objects */ -static int -redecode_code_objects(const char *new_encoding, const char *errors) -{ - Py_ssize_t i, len; - PyCodeObject *co; - PyObject *ref, *new_file; - - len = Py_SIZE(_Py_code_object_list); - for (i=0; i < len; i++) { - ref = PyList_GET_ITEM(_Py_code_object_list, i); - co = (PyCodeObject *)PyWeakref_GetObject(ref); - if ((PyObject*)co == Py_None) - continue; - if (co == NULL) - return -1; - - new_file = redecode_filename(co->co_filename, new_encoding, errors); - if (new_file == NULL) - return -1; - Py_DECREF(co->co_filename); - co->co_filename = new_file; - } - Py_CLEAR(_Py_code_object_list); - return 0; -} - -/* Redecode the filenames of all modules (__file__ and __path__ attributes), - all code objects (co_filename attribute), sys.path, sys.meta_path, - sys.executable and sys.path_importer_cache (keys) when the filesystem - encoding changes from the default encoding (utf-8) to new_encoding */ -static int -redecode_filenames(const char *new_encoding) -{ - char *errors; - PyObject *paths, *executable, *new_executable; - - /* PyUnicode_DecodeFSDefault() and PyUnicode_EncodeFSDefault() do already - use utf-8 if Py_FileSystemDefaultEncoding is NULL */ - if (strcmp(new_encoding, "utf-8") == 0) - return 0; - - if (strcmp(new_encoding, "mbcs") != 0) - errors = "surrogateescape"; - else - errors = NULL; - - /* sys.modules */ - if (redecode_sys_modules(new_encoding, errors)) - return -1; - - /* sys.path and sys.meta_path */ - paths = PySys_GetObject("path"); - if (paths != NULL) { - if (redecode_path_list(paths, new_encoding, errors)) - return -1; - } - paths = PySys_GetObject("meta_path"); - if (paths != NULL) { - if (redecode_path_list(paths, new_encoding, errors)) - return -1; - } - - /* sys.executable */ - executable = PySys_GetObject("executable"); - if (executable == NULL) - return -1; - new_executable = redecode_filename(executable, new_encoding, errors); - if (new_executable == NULL) - return -1; - if (PySys_SetObject("executable", new_executable)) { - Py_DECREF(new_executable); - return -1; - } - Py_DECREF(new_executable); - - /* sys.path_importer_cache */ - if (redecode_sys_path_importer_cache(new_encoding, errors)) - return -1; - - /* code objects */ - if (redecode_code_objects(new_encoding, errors)) - return -1; - - return 0; -} - static void initfsencoding(void) { @@ -987,11 +734,8 @@ initfsencoding(void) stdin and stdout if these are terminals. */ codeset = get_codeset(); if (codeset != NULL) { - if (redecode_filenames(codeset)) - Py_FatalError("Py_Initialize: can't redecode filenames"); Py_FileSystemDefaultEncoding = codeset; Py_HasFileSystemDefaultEncoding = 0; - Py_CLEAR(_Py_code_object_list); return; } else { fprintf(stderr, "Unable to get the locale encoding:\n"); @@ -1004,8 +748,6 @@ initfsencoding(void) } #endif - Py_CLEAR(_Py_code_object_list); - /* the encoding is mbcs, utf-8 or ascii */ codec = _PyCodec_Lookup(Py_FileSystemDefaultEncoding); if (!codec) { |