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gast_parse_python_code_to_generic_ast_and_unparse.py

python

Parses a Python code string into a Generic AST (GAST) and then unparses it back int

15d ago20 linesserge-sans-paille/gast
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gast_parse_python_code_to_generic_ast_and_unparse.py
1import gast
2import ast
3
4# Define a small piece of Python code
5code = 'print("Hello, GAST!")'
6
7# Parse the code into a GAST (Generic AST)
8# gast.parse provides a common AST format across different Python versions
9tree = gast.parse(code)
10
11# You can manipulate the tree here as needed.
12# For example, let's unparse it back to source code.
13# Note: gast.unparse is available in recent versions of gast
14try:
15    reconstructed_code = gast.unparse(tree)
16    print(reconstructed_code)
17except AttributeError:
18    # For older versions of gast, one would typically use 
19    # ast.unparse (Python 3.9+) on a back-translated tree
20    print(ast.dump(gast.gast_to_ast(tree)))