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A common base representation of python source code for pylint and other projects
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astroid Change bare excepts to broad excepts in raw_building Mar 11, 2019
doc Docs: Fixing transformation example to be functional (#640) Jan 28, 2019
.coveragerc Properly ignore tests for coverage Feb 15, 2018
.gitignore Update gitignore Jun 8, 2018
.travis.yml Add support for 3.8-dev in travis (#653) Mar 5, 2019
COPYING.LESSER proper licensing information (LGPL-2.1). Hope I get it right this time. Apr 28, 2010
ChangeLog ``threading.Lock.locked()`` is properly recognized as a member of ``t… Mar 5, 2019 Tests are no longer installed May 17, 2018
README.rst text Oct 26, 2018
setup.cfg Update the copyright notices Jul 15, 2018


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What's this?

The aim of this module is to provide a common base representation of python source code. It is currently the library powering pylint's capabilities.

It provides a compatible representation which comes from the _ast module. It rebuilds the tree generated by the builtin _ast module by recursively walking down the AST and building an extended ast. The new node classes have additional methods and attributes for different usages. They include some support for static inference and local name scopes. Furthermore, astroid can also build partial trees by inspecting living objects.


Extract the tarball, jump into the created directory and run:

pip install .

If you want to do an editable installation, you can run:

pip install -e .

If you have any questions, please mail the mailing list for support. See for subscription information and archives.


Python Versions

astroid 2.0 is currently available for Python 3 only. If you want Python 2 support, older versions of astroid will still supported until 2020.


Tests are in the 'test' subdirectory. To launch the whole tests suite, you can use either tox or pytest:

pytest astroid
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