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<p class="MsoNormal">What’s the recommended way to use coverage.py with code that uses sys.settrace()<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m using settrace() to simulate error conditions at certain lines during testing, but<o:p></o:p></p>
<p class="MsoNormal">this interferes with the use coverage.py makes of settrace() and I’m getting incorrect<o:p></o:p></p>
<p class="MsoNormal">coverage metrics.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m hacking at my code to try to store an existing value for sys.gettrace() whenever<o:p></o:p></p>
<p class="MsoNormal">I call settrace(), and then restoring the pre-existing trace function whenever I stop<o:p></o:p></p>
<p class="MsoNormal">tracing using my function, but it’s not working for me at the moment.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Is this a sensible approach to this problem? Would anyone have any other suggestions?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Ollie<o:p></o:p></p>
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