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native-human edited this page Mar 18, 2015 · 1 revision

epdb allows you to debug backwards, meaning that you can step back.

Screenshot

http://wiki.epdb.googlecode.com/hg/gepdb.png

Requirements

I used an Ubuntu 11.04 to develop epdb. Linux or Unix-like OS is mandatory for epdb, because it uses the system call fork(), which is not available on windows. You need a python3.1 or later for epdb and a python2.x for gepdb. For gepdb you also need pygtk, twisted and argparse.

I haven’t tried it on many platforms yet. So let me know if you get it run on a different platform on the mailing list.

Mailing List

The project is in an early state and therefore we are (I am) happy for every kind of feedback, even if it is as simple as I got it run or it doesn’t work for me. So don’t hesitate to write a message to the mailing list.

[http://groups.google.at/group/epdb]

Roadmap

There is no release yet. The release of epdb is almost finished. I will provide a roadmap here for version 0.1, 0.2 and what could be expected from the first stable release (1.0).

0.1

The first releas candidate for epdb and gepdb is out. You can download the egg files in the download section. Use easy_install and easy_install3 to install it.

  • ~~Tracing should trace with better performance.~~
  • debian package for epdb and gepdb
  • ~~reversible debugging support for random, time and a basic one for files~~
  • ~~all 6 demos should be tested and should work~~
  • ~~breakpoints should work reliable~~
  • ~~create an egg file to easily install epdb and gepdb~~

0.2

  • Reversible debugging support for couchdb-python
  • Debugging multiple programs at the same time with the gui

1.0

  • fully pdb compatibile
  • watchpoints
  • support for reversible debugging for most modules of Python Standard library
  • support for reversible debugging for some external libraries
  • coverage analysis
  • injecting of instructions into a timeline
  • turn on/off revervisble mode
  • debugging multiple programs in the user interface.
  • The user interface should support basic editing of files.
  • A user interface for the browser to debug web applications
  • User documentation
  • incremental resource management
  • Extension documentation
  • Interruption of a running program
  • unittest integration

Installation from source

Go into the epdb directory. Run

sudo python3 setup.py install

Then, in the epdb-gui directory run

sudo python setup.py install

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