[Python-Dev] when is path==NULL?
Thomas Lee
tom at vector-seven.com
Tue Sep 30 14:46:08 CEST 2008
Ulrich Eckhardt wrote:
> Hi!
>
> I'm looking at trunk/Python/sysmodule.c, function PySys_SetArgv(). In that
> function, there is code like this:
>
> PyObject* path = PySys_GetObject("path");
> ...
> if (path != NULL) {
> ...
> }
>
> My intuition says that if path==NULL, something is very wrong. At least I
> would expect to get 'None', but never NULL, except when out of memory. So,
> for the case that path==NULL', I would simply invoke Py_FatalError("no mem
> for sys.path"), similarly to the other call there.
>
> Sounds reasonable?
>
> Uli
>
>
I also meant to mention that there might be a reason why we want the out
of memory error to bubble up to the caller should that happen while
attempting to allocate the PyString in PyDict_GetItemString, rather than
just bailing out with a generic FatalError.
Cheers,
T
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