static PyObject *
_io__IOBase_close_impl(PyObject *self)
/*[clinic end generated code: output=63c6a6f57d783d6d input=f4494d5c31dbc6b7]*/
{
PyObject *res, *exc, *val, *tb;
int rc, closed = iobase_is_closed(self);
if (closed < 0) {
return NULL;
}
if (closed) {
Py_RETURN_NONE;
}
res = PyObject_CallMethodObjArgs(self, _PyIO_str_flush, NULL);
PyErr_Fetch(&exc, &val, &tb);
rc = _PyObject_SetAttrId(self, &PyId___IOBase_closed, Py_True);
_PyErr_ChainExceptions(exc, val, tb);
if (rc < 0) {
Py_CLEAR(res);
}
if (res == NULL)
return NULL;
Py_DECREF(res);
Py_RETURN_NONE;
}
int
PyModule_SetDocString(PyObject *m, const char *doc)
{
PyObject *v;
_Py_IDENTIFIER(__doc__);
v = PyUnicode_FromString(doc);
if (v == NULL || _PyObject_SetAttrId(m, &PyId___doc__, v) != 0) {
Py_XDECREF(v);
return -1;
}
Py_DECREF(v);
return 0;
}
static PyObject *
iobase_close(PyObject *self, PyObject *args)
{
PyObject *res;
_Py_IDENTIFIER(__IOBase_closed);
if (IS_CLOSED(self))
Py_RETURN_NONE;
res = PyObject_CallMethodObjArgs(self, _PyIO_str_flush, NULL);
_PyObject_SetAttrId(self, &PyId___IOBase_closed, Py_True);
if (res == NULL) {
return NULL;
}
Py_XDECREF(res);
Py_RETURN_NONE;
}
static void
iobase_finalize(PyObject *self)
{
PyObject *res;
PyObject *error_type, *error_value, *error_traceback;
int closed;
_Py_IDENTIFIER(_finalizing);
/* Save the current exception, if any. */
PyErr_Fetch(&error_type, &error_value, &error_traceback);
/* If `closed` doesn't exist or can't be evaluated as bool, then the
object is probably in an unusable state, so ignore. */
res = PyObject_GetAttr(self, _PyIO_str_closed);
if (res == NULL) {
PyErr_Clear();
closed = -1;
}
else {
closed = PyObject_IsTrue(res);
Py_DECREF(res);
if (closed == -1)
PyErr_Clear();
}
if (closed == 0) {
/* Signal close() that it was called as part of the object
finalization process. */
if (_PyObject_SetAttrId(self, &PyId__finalizing, Py_True))
PyErr_Clear();
res = PyObject_CallMethodObjArgs((PyObject *) self, _PyIO_str_close,
NULL);
/* Silencing I/O errors is bad, but printing spurious tracebacks is
equally as bad, and potentially more frequent (because of
shutdown issues). */
if (res == NULL)
PyErr_Clear();
else
Py_DECREF(res);
}
/* Restore the saved exception. */
PyErr_Restore(error_type, error_value, error_traceback);
}
static PyObject *
_io__IOBase_close_impl(PyObject *self)
/*[clinic end generated code: output=63c6a6f57d783d6d input=f4494d5c31dbc6b7]*/
{
PyObject *res;
if (IS_CLOSED(self))
Py_RETURN_NONE;
res = PyObject_CallMethodObjArgs(self, _PyIO_str_flush, NULL);
if (_PyObject_SetAttrId(self, &PyId___IOBase_closed, Py_True) < 0) {
Py_XDECREF(res);
return NULL;
}
if (res == NULL)
return NULL;
Py_DECREF(res);
Py_RETURN_NONE;
}
void
PyErr_SyntaxLocationObject(PyObject *filename, int lineno, int col_offset)
{
PyObject *exc, *v, *tb, *tmp;
_Py_IDENTIFIER(filename);
_Py_IDENTIFIER(lineno);
_Py_IDENTIFIER(msg);
_Py_IDENTIFIER(offset);
_Py_IDENTIFIER(print_file_and_line);
_Py_IDENTIFIER(text);
/* add attributes for the line number and filename for the error */
PyErr_Fetch(&exc, &v, &tb);
PyErr_NormalizeException(&exc, &v, &tb);
/* XXX check that it is, indeed, a syntax error. It might not
* be, though. */
tmp = PyLong_FromLong(lineno);
if (tmp == NULL)
PyErr_Clear();
else {
if (_PyObject_SetAttrId(v, &PyId_lineno, tmp))
PyErr_Clear();
Py_DECREF(tmp);
}
if (col_offset >= 0) {
tmp = PyLong_FromLong(col_offset);
if (tmp == NULL)
PyErr_Clear();
else {
if (_PyObject_SetAttrId(v, &PyId_offset, tmp))
PyErr_Clear();
Py_DECREF(tmp);
}
}
if (filename != NULL) {
if (_PyObject_SetAttrId(v, &PyId_filename, filename))
PyErr_Clear();
tmp = PyErr_ProgramTextObject(filename, lineno);
if (tmp) {
if (_PyObject_SetAttrId(v, &PyId_text, tmp))
PyErr_Clear();
Py_DECREF(tmp);
}
}
if (_PyObject_SetAttrId(v, &PyId_offset, Py_None)) {
PyErr_Clear();
}
if (exc != PyExc_SyntaxError) {
if (!_PyObject_HasAttrId(v, &PyId_msg)) {
tmp = PyObject_Str(v);
if (tmp) {
if (_PyObject_SetAttrId(v, &PyId_msg, tmp))
PyErr_Clear();
Py_DECREF(tmp);
} else {
PyErr_Clear();
}
}
if (!_PyObject_HasAttrId(v, &PyId_print_file_and_line)) {
if (_PyObject_SetAttrId(v, &PyId_print_file_and_line,
Py_None))
PyErr_Clear();
}
}
PyErr_Restore(exc, v, tb);
}
/* returns Py_None if the fd is not valid */
static PyObject*
create_stdio(PyObject* io,
int fd, int write_mode, const char* name,
const char* encoding, const char* errors)
{
PyObject *buf = NULL, *stream = NULL, *text = NULL, *raw = NULL, *res;
const char* mode;
const char* newline;
PyObject *line_buffering;
int buffering, isatty;
_Py_IDENTIFIER(open);
_Py_IDENTIFIER(isatty);
_Py_IDENTIFIER(TextIOWrapper);
_Py_IDENTIFIER(mode);
if (!is_valid_fd(fd))
Py_RETURN_NONE;
/* stdin is always opened in buffered mode, first because it shouldn't
make a difference in common use cases, second because TextIOWrapper
depends on the presence of a read1() method which only exists on
buffered streams.
*/
if (Py_UnbufferedStdioFlag && write_mode)
buffering = 0;
else
buffering = -1;
if (write_mode)
mode = "wb";
else
mode = "rb";
buf = _PyObject_CallMethodId(io, &PyId_open, "isiOOOi",
fd, mode, buffering,
Py_None, Py_None, /* encoding, errors */
Py_None, 0); /* newline, closefd */
if (buf == NULL)
goto error;
if (buffering) {
_Py_IDENTIFIER(raw);
raw = _PyObject_GetAttrId(buf, &PyId_raw);
if (raw == NULL)
goto error;
}
else {
raw = buf;
Py_INCREF(raw);
}
text = PyUnicode_FromString(name);
if (text == NULL || _PyObject_SetAttrId(raw, &PyId_name, text) < 0)
goto error;
res = _PyObject_CallMethodId(raw, &PyId_isatty, "");
if (res == NULL)
goto error;
isatty = PyObject_IsTrue(res);
Py_DECREF(res);
if (isatty == -1)
goto error;
if (isatty || Py_UnbufferedStdioFlag)
line_buffering = Py_True;
else
line_buffering = Py_False;
Py_CLEAR(raw);
Py_CLEAR(text);
#ifdef MS_WINDOWS
/* sys.stdin: enable universal newline mode, translate "\r\n" and "\r"
newlines to "\n".
sys.stdout and sys.stderr: translate "\n" to "\r\n". */
newline = NULL;
#else
/* sys.stdin: split lines at "\n".
sys.stdout and sys.stderr: don't translate newlines (use "\n"). */
newline = "\n";
#endif
stream = _PyObject_CallMethodId(io, &PyId_TextIOWrapper, "OsssO",
buf, encoding, errors,
newline, line_buffering);
Py_CLEAR(buf);
if (stream == NULL)
goto error;
if (write_mode)
mode = "w";
else
mode = "r";
text = PyUnicode_FromString(mode);
if (!text || _PyObject_SetAttrId(stream, &PyId_mode, text) < 0)
goto error;
Py_CLEAR(text);
return stream;
error:
Py_XDECREF(buf);
Py_XDECREF(stream);
Py_XDECREF(text);
Py_XDECREF(raw);
if (PyErr_ExceptionMatches(PyExc_OSError) && !is_valid_fd(fd)) {
/* Issue #24891: the file descriptor was closed after the first
is_valid_fd() check was called. Ignore the OSError and set the
stream to None. */
PyErr_Clear();
Py_RETURN_NONE;
}
return NULL;
}
