def Filter(self, container, unused_args):
    print '# File "%s"' % container.absolute_path
    print '\n'.join(container.lines)
    return container
Helper function for matching certain directives.
dataset/ETHPy150Open google/capirca/definate/file_filter.py/PrintFilter.Filter--crossover with--dataset/ETHPy150Open cloudbuilders/radioedit/jsontemplate.py/_MatchDirective