cpython/Lib/packaging/tests/fixer/fix_echo.py
Éric Araujo 692a49394d Start improving 2to3 code in packaging (#13462).
- Change the fixers used in tests to something not provided by lib2to3
- Test conversion of doctests in text files
- Factor out test boilerplate into a common method
2012-02-09 21:37:14 +01:00

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Python

# Example custom fixer, derived from fix_raw_input by Andre Roberge
from lib2to3 import fixer_base
from lib2to3.fixer_util import Name
class FixEcho(fixer_base.BaseFix):
BM_compatible = True
PATTERN = """
power< name='echo' trailer< '(' [any] ')' > any* >
"""
def transform(self, node, results):
name = results['name']
name.replace(Name('print', prefix=name.prefix))