Tracing the execution of scripts?
Michael B. Trausch
Fri Oct 27 14:34:28 CEST 2006
Stephan Kuhagen wrote:
> "Michael B. Trausch" <"mike$#at^&nospam!%trauschus"> wrote:
>> Basically, is there something that will log every line of Python code
>> executed, in its order of execution, to a text file so that I can see
>> what is (or isn't) happening that I am expecting?
> Python itself can do this for you. A __VERY__ simple approach:
> Insert this in you program and you get a trace of every line of Python-Code
> executed in the file trace.txt. You must read the documentation of the
> module inspect and of sys.settrace() to understand, what happens and what
> it means. Additionally, if it should work with threads, you must take care
> that every thread gets its own output file. But as a first step to get a
> trace of execution, this should do it.
I will need to keep this around to look at a little later. It looks
like it would be something particularly useful when line-tracing by
itself fails. I am constantly finding myself amazed at Python's
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