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Description:

astunparsefixed 1.7.0

An AST unparser for Python.
This is a factored out version of unparse found in the Python
source distribution; under Demo/parser in Python 2 and under Tools/parser
in Python 3.
Basic example:
import inspect
import ast
import astunparse

# get back the source code
astunparse.unparse(ast.parse(inspect.getsource(ast)))

# get a pretty-printed dump of the AST
astunparse.dump(ast.parse(inspect.getsource(ast)))
This library is single-source compatible with Python 2.6 through Python 3.5. It
is authored by the Python core developers; I have simply merged the Python 2.7
and the Python 3.5 source and test suites, and added a wrapper. This factoring
out is to provide a library implementation that supports both versions.
Added to this is a pretty-printing dump utility function.
The test suite both runs specific tests and also roundtrips much of the
standard library.

Extensions and Alternatives
Similar projects include:

codegen
astor
astmonkey
astprint

None of these roundtrip much of the standard library and fail several of the basic
tests in the test_unparse test suite.
This library uses mature and core maintained code instead of trying to patch
existing libraries. The unparse and the test_unparse modules
are under the PSF license.
Extensions include:

typed-astunparse: extends astunparse to support type annotations.

Documentation: http://astunparse.rtfd.org.

Features

unparses Python AST.
pretty-prints AST.

Changelog
Here’s the recent changes to AST Unparser.

1.6.3 - 2019-12-22

Add full support for Python 3.8

1.6.2 - 2019-01-19

Add support for the Constant node in Python 3.8
Add tests to the sdist

1.6.1 - 2018-10-03

Fix the roundtripping of very complex f-strings.

1.6.0 - 2018-09-30

Python 3.7 compatibility

1.5.0 - 2017-02-05

Python 3.6 compatibility
bugfix: correct argparser option type

1.4.0 - 2016-06-24

Support for the async keyword
Support for unparsing “Interactive” and “Expression” nodes

1.3.0 - 2016-01-17

Python 3.5 compatibility

1.2.0 - 2014-04-03

Python 2.6 through 3.4 compatibility
A new function dump is added to return a pretty-printed version
of the AST. It’s also available when running python -m astunparse
as the --dump argument.

1.1.0 - 2014-04-01

unparse will return the source code for an AST. It is pretty
feature-complete, and round-trips the stdlib, and is compatible with
Python 2.7 and Python 3.4.
Running python -m astunparse will print the round-tripped source
for any python files given as argument.