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Debugging Python using GDB

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Avatar for Nylas Nylas
May 31, 2016
Programming
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Debugging Python using GDB

Figuring out why a Python daemon is hanging doesn't have to be so hard!

Avatar for Nylas

Nylas

May 31, 2016

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Transcript

  1. Debugging Python with GDB Karim Hamidou [email protected] http://khamidou.com

  2. Title

  3. • lsof • strace/ltrace • dtrace (if you’re lucky) Traditional

    UNIX tools

  4. @app.before_request def start(): # fingers crossed! print ‘REQUEST ‘ +

    request if not request.user: … Modifying Python libraries in /usr/lib/python

  5. There’s a better way!

  6. None

  7. def f(): x = 0 d = dict(v=1, y='L') while

    True: x = x + 2 print x f()

  8. • attach/detach • py-bt • py-list • py-locals GDB Commands

    Cheat sheet

  9. Your Name | @yourname | [email protected] github.com/nylas Thank you! http://khamidou.com

    — [email protected]