Move initialization of sys.std{in,out}.encoding to Py_Initialize.

Verify that the encoding actually exists. Fixes #775985.
Will backport to 2.3.
This commit is contained in:
Martin v. Löwis 2003-08-09 09:47:11 +00:00
parent fc9b75fafb
commit a2c17c5820
2 changed files with 51 additions and 33 deletions

View File

@ -77,7 +77,7 @@ static PyObject *warnings_module = NULL;
If the module is returned, it is guaranteed to have been obtained
without acquiring the import lock
*/
PyObject *PyModule_GetWarningsModule()
PyObject *PyModule_GetWarningsModule(void)
{
PyObject *typ, *val, *tb;
PyObject *all_modules;
@ -142,6 +142,11 @@ Py_Initialize(void)
PyThreadState *tstate;
PyObject *bimod, *sysmod;
char *p;
#if defined(Py_USING_UNICODE) && defined(HAVE_LANGINFO_H) && defined(CODESET)
char *codeset;
char *saved_locale;
PyObject *sys_stream, *sys_isatty;
#endif
extern void _Py_ReadyTypes(void);
if (initialized)
@ -227,21 +232,52 @@ Py_Initialize(void)
/* On Unix, set the file system encoding according to the
user's preference, if the CODESET names a well-known
Python codec, and Py_FileSystemDefaultEncoding isn't
initialized by other means. */
if (!Py_FileSystemDefaultEncoding) {
char *saved_locale = setlocale(LC_CTYPE, NULL);
char *codeset;
setlocale(LC_CTYPE, "");
codeset = nl_langinfo(CODESET);
if (*codeset) {
PyObject *enc = PyCodec_Encoder(codeset);
if (enc) {
Py_FileSystemDefaultEncoding = strdup(codeset);
Py_DECREF(enc);
} else
PyErr_Clear();
initialized by other means. Also set the encoding of
stdin and stdout if these are terminals. */
saved_locale = setlocale(LC_CTYPE, NULL);
setlocale(LC_CTYPE, "");
codeset = nl_langinfo(CODESET);
if (codeset && *codeset) {
PyObject *enc = PyCodec_Encoder(codeset);
if (enc) {
codeset = strdup(codeset);
Py_DECREF(enc);
} else {
codeset = NULL;
PyErr_Clear();
}
setlocale(LC_CTYPE, saved_locale);
} else
codeset = NULL;
setlocale(LC_CTYPE, saved_locale);
if (codeset) {
sys_stream = PySys_GetObject("stdout");
sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
if (!sys_isatty)
PyErr_Clear();
if(sys_isatty && PyObject_IsTrue(sys_isatty)) {
if (!PyFile_SetEncoding(sys_stream, codeset))
Py_FatalError("Cannot set codeset of stdin");
}
Py_XDECREF(sys_stream);
Py_XDECREF(sys_isatty);
sys_stream = PySys_GetObject("stdout");
sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
if (!sys_isatty)
PyErr_Clear();
if(sys_isatty && PyObject_IsTrue(sys_isatty)) {
if (!PyFile_SetEncoding(sys_stream, codeset))
Py_FatalError("Cannot set codeset of stdout");
}
Py_XDECREF(sys_stream);
Py_XDECREF(sys_isatty);
if (!Py_FileSystemDefaultEncoding)
Py_FileSystemDefaultEncoding = codeset;
else
free(codeset);
}
#endif
}

View File

@ -905,9 +905,6 @@ _PySys_Init(void)
#ifdef MS_WINDOWS
char buf[10];
#endif
#if defined(HAVE_LANGINFO_H) && defined(CODESET)
char *oldloc, *codeset;
#endif
m = Py_InitModule3("sys", sys_methods, sys_doc);
sysdict = PyModule_GetDict(m);
@ -930,21 +927,6 @@ _PySys_Init(void)
}
#endif
#if defined(HAVE_LANGINFO_H) && defined(CODESET)
oldloc = setlocale(LC_CTYPE, 0);
setlocale(LC_CTYPE, "");
codeset = nl_langinfo(CODESET);
setlocale(LC_CTYPE, oldloc);
if(codeset && isatty(fileno(stdin))){
if (!PyFile_SetEncoding(sysin, codeset))
return NULL;
}
if(codeset && isatty(fileno(stdout))) {
if (!PyFile_SetEncoding(sysout, codeset))
return NULL;
}
#endif
PyDict_SetItemString(sysdict, "stdin", sysin);
PyDict_SetItemString(sysdict, "stdout", sysout);
PyDict_SetItemString(sysdict, "stderr", syserr);