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astunparsenoparen 1.5.6
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.
1.5.0 - 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.
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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