support.py 文件源码

def get_refactorer(fixer_pkg="lib2to3", fixers=None, options=None):
    """
    A convenience function for creating a RefactoringTool for tests.

    fixers is a list of fixers for the RefactoringTool to use. By default
    "lib2to3.fixes.*" is used. options is an optional dictionary of options to
    be passed to the RefactoringTool.
    """
    if fixers is not None:
        fixers = [fixer_pkg + ".fixes.fix_" + fix for fix in fixers]
    else:
        fixers = refactor.get_fixers_from_package(fixer_pkg + ".fixes")
    options = options or {}
    return refactor.RefactoringTool(fixers, options, explicit=True)