Re: [Pyobjc-dev] Re: Subclassing NSCell?

[Ronald O. <ous...@ci...>]

On Wednesday, May 14, 2003, at 16:29 Europe/Amsterdam, Mitch Chapman 
wrote:

> On Monday, May 12, 2003, at 11:35  PM, Mitch Chapman wrote:
>
>> I can create instances of the subclass, defined roughly as
>>
>> from AppKit import *
>> class MyCell(NSCell):
>> 	...
>>
>> and can install these instances as data cells for NSTableColumns in 
>> an NSTableView.
>> All cool.  But if I try to override drawInteriorWithFrame_inView_, as 
>> follows,
>> I get a segmentation fault on the first attempt to draw cell 
>> contents.  What's more,
>> I don't get the output from the print statement.
>
> I should probably be asking this elsewhere, but:
> Can anyone summarize how to use gdb to debug a Python2.3b1 application?
> In this case I've set SHOWPID and  tried to attach to the running 
> Python process, but
> gdb encounters errors during startup.  It turns out that it does this 
> even if I just try to
> debug the Python interpreter, without attaching to any running 
> processes.
> (See below.)

I usually look for the right process-id from the shell and then start 
'gdb /usr/local/bin/pyton THEPID' (THEPID being the process-id).

Are you using the Project Builder templates? These use /usr/bin/python 
unless you change the bin-python-main.m file.

Ronald