For instance, ast.arguments is changed since Python 3.8, that another field posonlyarg is introduced, hence you should construct an ast.arguments with an additional argument posonlyarg=... since ...

Useful for checking if formatting changes do not modify the behaviour of the source code. $ git clone https://github.com/pallets/click.git $ python-compare-ast --git ...

Overview Python's "ast" module transforms the text of Python source code into an object stream. It's a more powerful way to walk through Python code, analyze its components, and make changes than ...