Re: Cocoa, httplib and threads?

On 15 Jul, 2011, at 3:43, Greg Ewing wrote:

> I'm trying to use httplib to send an http request in
> a background thread. It works fine on its own, but when
> I do it inside a Cocoa application, the thread hangs
> as soon as it tries to send the request.
> 
> It doesn't seem to be a GIL problem, because I can do
> other things in the thread leading up to that point.
> It's just sending the request that seems to block.
> 
> Is there anything I should be aware of when using
> the threading module in conjunction with pyobjc?

This should work.  One thing you could try is redefining urllib. proxy_bypass_macosx_sysconf and urllib.getproxies_macosx_sysconf

def getproxies_macosx_sysconf():
   return {}

def proxy_bypass_macosx_sysconf(host):
   return True

urllib. getproxies_macosx_sysconf = getproxies_macosx_sysconf
urllib.proxy_bypass_macosx_sysconf = proxy_bypass_macosx_sysconf

This ensures that urllib doesn't use the OSX specific code for getting the HTTP proxy configuration.   That code should work just fine in a Cocoa program, but it does call into Apple's frameworks and hence might cause problems in some way.

Ronald
> -- 
> Greg
> 
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