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Psydiff

a structural comparison tool for Python

Psydiff is a structural differencer for Python. It parses Python into ASTs, compare them, and then generate interactive HTML.

Demo

A demo of Psydiff's output (Psydiff diffing itself over a recent big change) can be found here:

http://www.yinwang.org/resources/pydiff1-pydiff2.html

Installation

  1. Copy the whole directory to somewhere in your file system
  2. Add the path to the system's "PATH variable"

Usage

Just run psydiff.py from the command line:

./psydiff.py demos/list1.py demos/list2.py

This will generate a HTML file named list1-list2.html in the current directory. You can then use your browser to open this file and browse around the code.

The HTML is a standalone entity (CSS styles and JavaScript embedded). You can put it anywhere you like and still be able to view it.

Contact

Yin Wang ([email protected])

LICENSE

Copyright (C) 2011-2013 Yin Wang

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
  3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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a structural comparison tool for Python

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