Enable new I/O. Disable creation of old files.

Lots of stuff fails now, including -S and -m command line flags.
This commit is contained in:
Guido van Rossum 2007-05-24 14:31:33 +00:00
parent fa0054aa73
commit 6f376c4031
4 changed files with 11 additions and 73 deletions

View file

@ -960,13 +960,6 @@ settrace() -- set the global debug tracing function\n\
)
/* end of sys_doc */ ;
static int
_check_and_flush (FILE *stream)
{
int prev_fail = ferror (stream);
return fflush (stream) || prev_fail ? EOF : 0;
}
/* Subversion branch and revision management */
static const char _patchlevel_revision[] = PY_PATCHLEVEL_REVISION;
static const char headurl[] = "$HeadURL$";
@ -1058,11 +1051,7 @@ PyObject *
_PySys_Init(void)
{
PyObject *m, *v, *sysdict;
PyObject *sysin, *sysout, *syserr;
char *s;
#ifdef MS_WINDOWS
char buf[128];
#endif
m = Py_InitModule3("sys", sys_methods, sys_doc);
if (m == NULL)
@ -1081,52 +1070,12 @@ _PySys_Init(void)
}
}
/* Closing the standard FILE* if sys.std* goes aways causes problems
* for embedded Python usages. Closing them when somebody explicitly
* invokes .close() might be possible, but the FAQ promises they get
* never closed. However, we still need to get write errors when
* writing fails (e.g. because stdout is redirected), so we flush the
* streams and check for errors before the file objects are deleted.
* On OS X, fflush()ing stdin causes an error, so we exempt stdin
* from that procedure.
*/
sysin = PyFile_FromFile(stdin, "<stdin>", "r", NULL);
sysout = PyFile_FromFile(stdout, "<stdout>", "w", _check_and_flush);
syserr = PyFile_FromFile(stderr, "<stderr>", "w", _check_and_flush);
if (PyErr_Occurred())
return NULL;
#ifdef MS_WINDOWS
if(isatty(_fileno(stdin)) && PyFile_Check(sysin)) {
sprintf(buf, "cp%d", GetConsoleCP());
if (!PyFile_SetEncoding(sysin, buf))
return NULL;
}
if(isatty(_fileno(stdout)) && PyFile_Check(sysout)) {
sprintf(buf, "cp%d", GetConsoleOutputCP());
if (!PyFile_SetEncoding(sysout, buf))
return NULL;
}
if(isatty(_fileno(stderr)) && PyFile_Check(syserr)) {
sprintf(buf, "cp%d", GetConsoleOutputCP());
if (!PyFile_SetEncoding(syserr, buf))
return NULL;
}
#endif
/* stdin/stdout/stderr are now set by site.py. */
PyDict_SetItemString(sysdict, "stdin", sysin);
PyDict_SetItemString(sysdict, "stdout", sysout);
PyDict_SetItemString(sysdict, "stderr", syserr);
/* Make backup copies for cleanup */
PyDict_SetItemString(sysdict, "__stdin__", sysin);
PyDict_SetItemString(sysdict, "__stdout__", sysout);
PyDict_SetItemString(sysdict, "__stderr__", syserr);
PyDict_SetItemString(sysdict, "__displayhook__",
PyDict_GetItemString(sysdict, "displayhook"));
PyDict_SetItemString(sysdict, "__excepthook__",
PyDict_GetItemString(sysdict, "excepthook"));
Py_XDECREF(sysin);
Py_XDECREF(sysout);
Py_XDECREF(syserr);
PyDict_SetItemString(sysdict, "version",
v = PyString_FromString(Py_GetVersion()));
Py_XDECREF(v);