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AstToolBox

The AstToolBox allows a developer to start from a python source file and see how a series of ast.NodeTransformers change it, and how a CodeGenerator will render the AST at any given point.

Files and transforms can be reloaded at any time which facilitates development. If a tree does not look right after some transformation, the transform can be edited and reloaded and reapplied.

This tool was derived from AstViewer

screen_shot.png

Usage:

  • Command line example:

    %> ast_tool_box myprog.py

  • Examples to use from within Python:

    `python >>> from astviewer import view >>> view(file_name='myprog.py', width=800, height=600) >>> view(source_code = 'a + 3', mode='eval') `

#### Further links:

The `Green Tree Snakes documentation on ASTs<http://greentreesnakes.readthedocs.org/>`_ is available for those who find the `Python ast module documentation<http://docs.python.org/3/library/ast>`_ too brief.

Installation:

  1. Install PySide: http://qt-project.org/wiki/Category:LanguageBindings::PySide

  2. Run the installer:

    %> python setup.py install

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Python Abstract Syntax Tree viewer in Qt

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