Parsing exceptions the pythonic way

[Peter Hansen]

Daniel Fackrell wrote:
> 
> A friend pointed me at the errno module for handling socket errors.  I
> haven't done much socket programming, but the method he was using was to
> perform the action (read/write/etc.) on the socket, and catch the error
> raised by the operation, and then test the actual error code.  Something
> like (untested, nearly guaranteed to not work as-is code below):
> 
> try:
>     mysocket.receive(buffersize)
> except IOError, stuff:
>     if stuff == errno.EAGAIN:

Change that to:

      if stuff.errno == errno.EAGAIN:

I believe....


-Peter