I have an odd problem with the way my python library interacts with Spyder,
and I'm hoping someone here can shed some insight into what's happening.
The upshot is: I get different behavior based on whether I hit the 'Run'
button in Spyder vs. typing the 'runfile(...)' command that 'Run' produces
into the console. It has something to do with piping warnings/messages to
the console window. I'm hoping to figure out how to debug my library based
on what, specifically, the difference is between those two activities.
If I hit 'Run', the following happens:
* The text 'runfile(...)' appears in the Console.
* The file executes and produces output
* The next prompt appears ('In [2]: ')
* A split second later, a warning from my library appears above the prompt.
If I then hit 'Run' again, the following happens:
* The text 'runfile(...)' appears in the Console.
* The file executes and produces output
* The next prompt appears ('In [3]: ')
* A split second later, a warning from my library *plus the previous
warning* appears above the prompt.
This is cumulative: every time I hit 'run', one more warning is added to
the list. This is the behavior I would like to fix!
If I then hit the 'up' arrow in the console to re-execute the file, I get
no warnings at all.
If I run python from a command line instead of inside Spyder, I get a
warning the first time, and not the second. (The same thing happens if I
type 'runfile' in the console by hand inside Spyder to start with.) I'm
actually trying to diagnose why that is, too, but the
more-warnings-every-time thing is more obviously a problem.
The background is that the library is a C++ library with python bindings
created with Swig. It has a logging system that uses the 'SplitterChannel'
class from the 'poco' library to pass warnings and other messages to the
user. This part of the library is somewhat of a mystery to me, but I can
at least trace through the code.
Any insights appreciated!
-Lucian
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