[issue15461] os.stat() 's inappropriate behavior when dealing with a broken link in linux systems.

[coder.maliubiao]

New submission from coder.maliubiao :

the code:
import os,stat
mode=os.stat("a broken link file").st_mode
then i got :OSError: [Errno 2] No such file or directory.

why not just treat a broken link as something existing and don't report any 
error.

--
components: Library (Lib)
messages: 166519
nosy: maliub...@gmail.com
priority: normal
severity: normal
status: open
title: os.stat() 's inappropriate behavior when dealing with a broken link in 
linux systems.
type: behavior
versions: Python 2.7

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[issue20945] why save the item to be replaced as olditem in PyTuple_SetItem? It's not useful at all.

[coder.maliubiao]

New submission from coder.maliubiao:

code:
int
PyTuple_SetItem(register PyObject *op, register Py_ssize_t i, PyObject *newitem)
{
register PyObject *olditem;
register PyObject **p;
if (!PyTuple_Check(op) || op->ob_refcnt != 1) {
Py_XDECREF(newitem);
PyErr_BadInternalCall();
return -1;
}
if (i < 0 || i >= Py_SIZE(op)) {
Py_XDECREF(newitem);
PyErr_SetString(PyExc_IndexError,
"tuple assignment index out of range");
return -1;
}
p = ((PyTupleObject *)op) -> ob_item + i;
olditem = *p;
*p = newitem;
Py_XDECREF(olditem);
return 0;
}

olditem is not useful.

--
components: Devguide
messages: 213730
nosy: ezio.melotti, maliub...@gmail.com
priority: normal
severity: normal
status: open
title: why save the item to be replaced as olditem in PyTuple_SetItem?  It's 
not useful at all.
versions: Python 2.7

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[issue20945] why save the item to be replaced as olditem in PyTuple_SetItem? It's not useful at all.

[coder.maliubiao]

Changes by coder.maliubiao :


--
type:  -> performance

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