[Twisted-Python] deferred graph?
andrew at bemusement.org
Mon Jul 16 19:20:23 EDT 2012
Dan Stromberg wrote:
> I'm playing with twisted.internet.defer.setDebugging now.
> Is there a corresponding function that can be used to produce its report?
> If I use it in a program with an infinite loop, it seems like I never get
> the report, but if I use it in a program with a finite length, I eventually
> get a useful-looking report.
It's triggered by garbage collection of a Deferred with an unhandled error. So
you're at the mercy of when the garbage collector of your Python VM decides to
collect that object.
You could call yourDeferred._debugInfo._getDebugTracebacks() yourself, though,
if you don't mind (ab)using private attributes that might break without warning.
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