from lib2to3.fixer_base import BaseFix
from lib2to3.fixer_util import Name


class FixParrot(BaseFix):
    """
    Change functions named 'parrot' to 'cheese'.
    """
    PATTERN = "funcdef < 'def' name='parrot' any* >"

    def transform(self, node, results):
        name = results['name']
        name.replace(Name('cheese', name.prefix))
