Re: [Pyobjc-dev] Cocoa, httplib and threads?

[Ronald O. <ron...@ma...>]

On 16 Jul, 2011, at 4:46, Greg Ewing wrote:

> This is getting extremely weird. It turns out that the
> thread is hanging on the following line in httplib.py:
> 
>       host_enc = self.host.encode("ascii")
> 
> where the string being encoded in my test case is
> '127.0.0.1'.
> 
> I can't for the life of me imagine what the ascii codec
> could be doing to cause a thread to block.
> 
> Can anyone with more knowledge of the codec system
> shed any light?

Not really. Have you tried getting a C stacktrace using gdb?  The only obvious reason for blocking is the GIL: if for some reason the main thread doesn't release the GIL at some point you'll get a hang in the secondary threads. That's pretty unlikely though given that the secondary thread does some work before it hangs.

Debugging would be easier if you had a smallish sample program (a dependency on PyGUI would be fine)

Ronald