[C++-sig] Reference count on class object and import()
simwarg at gmail.com
Tue Nov 2 19:04:32 CET 2010
Alright, it was a couple of days ago since I last had a look on this and it
turns out that issue described in my first mail still persists. Although I
had a typo. Swap 4 with 3 on the reference count. Also, when Im using
PyImport_Import() directly it also shows 2 reference counts?
On Tue, Oct 26, 2010 at 11:29 PM, Simon W <simwarg at gmail.com> wrote:
> Of course, I did find another reference that I didn't notice. Python
> reference works as expected .. hehe!
> On Mon, Oct 25, 2010 at 7:35 PM, Simon W <simwarg at gmail.com> wrote:
>> Hey again,
>> I'm trying to implement a load / unload module functionallity. When I
>> delete the module in the __main__ dict the module's reference count is still
>> > 1. I've been trying to find if I reference it anywhere else in my code but
>> I can't find anything! When I did a check in vc++ debugger found something.
>> When I run this code:
>> object obj = import(name.c_str());
>> *obj*'s *ob_refcnt* member is 2 when I check in the vc++ debugger.
>> Shouldn't it be 1?
>> After that line, I put it in the __main__ dict like:
>> mMainNamespace[ name.c_str() ] = obj;
>> The reference count shows 4, as expected.
>> When I'm entering my unload() function when I want to remove the module I
>> do like:
>> void unload()
>> object t = mMainNamespace[ name.c_str() ];
>> // reference count in t is now 4 ?
>> mMainNamespace[ name.c_str() ].del(); // I delete but it's not
>> unloaded properly because it's still referenced somewhere ..
>> What does import() do? It must save some reference somewhere?
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Cplusplus-sig