OTrace

Updates: The latest version is 0.30.9, released August 26, 2012.

OTrace is an object-oriented python debugger for nonlinear tracing of asynchronous or multithreaded interactive programs.Its features including taking “snapshots” of variables for tracing, “tagging” objects for tracking across different method invocations, and modifying live code (“monkey patching”) to insert print statements etc.

For more information, see the following documentation:

• README
• FAQ
• Getting started with OTrace
• Using OTrace with Tornado
• Source code at Github
• Download from PyPI package index

TALKS

Python and the Holy Grail of Debugging: An introduction to OTrace (PDF: 1.3MB) (PyTexas 2012, September 16, 2012)