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On 03/15/2017 02:34 PM, Lele Gaifax wrote:
> Lele Gaifax <[email protected]> writes:
>
>> If I switch back to the master branch[3], reinstall its
>> requirements.txt (thus running with Pyramid 1.6.1, waitress 0.9.0
>> and no hupper) and repeat the session, none of the above non-sense
>> happens!
>
> Uhm, now I'm really confused: going on with the investigation, I was
> eventually able to obtain the same "multiple sessions" even with
> Pyramid 1.6, and effectively a "ps H" shows that pserve starts four
> threads... I'm ashamed I never noticed this! :-\
>
> Anyway, for some strange reason, the interactive pdb session I get
> with 1.6 is /almost/ usable (the fact that I never noticed the issue
> before supports that), while under 1.8 it's always impeded...
>
> Well, I won't give up the investigation :-)
Maybe you can work around it using a temporary module-scope variable and
an if statement wrapping the 'import pdb; pdb.set_trace'? Or acquire a
lock before doing the 'pdb.set_trace()'?
- ------------------------- %< ---------------------------------
from threading import RLock # reentrant for just-in-case
pdb_guard = RLock()
def view_to_be_debugged(request):
...
with pbd_guard:
import pdb; pdb.set_trace()
...
- ------------------------- %< ---------------------------------
Tres.
- --
===================================================================
Tres Seaver +1 540-429-0999 [email protected]
Palladion Software "Excellence by Design" http://palladion.com
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