Re: [Discuss-gnuradio] remark on custom block + python behavior on Beagleboard

[Patrick Yeon]

On 10/25/2010 11:38 AM, Almohanad Fayez wrote:
> I was able to finally fix this problem by writing a script that deletes
> all of the pyc and pyo files associated with my library and flowgraph.
> my question is, is this a know python issue, an issue with the custom
> gnuradio block, or an issue with the platform? I managed to recreate
> this problem using the custom block 3.2.1 and 3.2.2 templates and I was
> also able to recreate it by using the original how to square a number
> example.

Python is supposed to delete those .pyc and .pyo files whenever you ask 
it to run a matching .py file, _if_ the .py file is younger. Otherwise, 
it assumes you haven't changed the .py file, and saves a bit of time by 
jumping straight to the compiled files. One time where I've seen similar 
behaviour is when the .py is a symlink (link.py -> real.py, say). 
Opening and modifying link.py changes the modification time of real.py, 
but not link.py, so if you ask python to compile link.py, it still looks 
older than link.pyc that it created before you modified anything.

It's possible there are other situations where this would happen, that's 
just the one time that I remember it happening to me.

--
Patrick Yeon
ThinkRF
613-369-5104 x418