(files, fixer_names=None, options=None, explicit=None)
Invoke 2to3 on a list of Python files.
    The files should all come from the build area, as the
    modification is done in-place. To reduce the build time,
    only files modified since the last invocation of this
    function should be passed in the files argument.
Invoke 2to3 on a list of Python files.
    The files should all come from the build area, as the
    modification is done in-place. To reduce the build time,
    only files modified since the last invocation of this
    function should be passed in the files argument.
Invoke 2to3 on a list of Python files . The files should all come from the build area as the modification is done in - place . To reduce the build time only files modified since the last invocation of this function should be passed in the files argument .
def run_2to3(files, fixer_names=None, options=None, explicit=None):
    """Invoke 2to3 on a list of Python files.
    The files should all come from the build area, as the
    modification is done in-place. To reduce the build time,
    only files modified since the last invocation of this
    function should be passed in the files argument."""

    if not files:
        return

    # Make this class local, to delay import of 2to3
    from lib2to3.refactor import RefactoringTool, get_fixers_from_package
    class DistutilsRefactoringTool(RefactoringTool):
        def log_error(self, msg, *args, **kw):
            log.error(msg, *args)

        def log_message(self, msg, *args):
            log.info(msg, *args)

        def log_debug(self, msg, *args):
            log.debug(msg, *args)

    if fixer_names is None:
        fixer_names = get_fixers_from_package('lib2to3.fixes')
    r = DistutilsRefactoringTool(fixer_names, options=options)
    r.refactor(files, write=True)
def run_2to3 ( files , fixer_names = None , options = None , explicit = None ) : if not files : return # Make this class local, to delay import of 2to3 from lib2to3 . refactor import RefactoringTool , get_fixers_from_package class DistutilsRefactoringTool ( RefactoringTool ) : def log_error ( self , msg , * args , * * kw ) : log . error ( msg , * args ) def log_message ( self , msg , * args ) : log . info ( msg , * args ) def log_debug ( self , msg , * args ) : log . debug ( msg , * args ) if fixer_names is None : fixer_names = get_fixers_from_package ( 'lib2to3.fixes' ) r = DistutilsRefactoringTool ( fixer_names , options = options ) r . refactor ( files , write = True )