How to use the pbxproj.pbxcli.pbxproj_file.execute function in pbxproj

'': 'samplescli/test.pbxproj',
            '

def testRemoveFileUnknown(self):
        args = {
            '': 'samplescli/test.pbxproj',
            '

def testRemoveFileKnown(self):
        args = {
            '': 'samplescli/test.pbxproj',
            '

args = {
            '': 'samplescli/test.pbxproj',
            '

args = {
            '': 'samplescli/test.pbxproj',
            '

def main():
    args = docopt(__doc__, options_first=True, version=u'pbxproj version {0}'.format(pbxproj.__version__))
    argv = [args['']] + args['']
    if args[''] == 'file':
        import pbxproj.pbxcli.pbxproj_file as pbxproj_file
        command_parser(pbxproj_file.execute)(docopt(pbxproj_file.__doc__, argv=argv))
    elif args[''] == 'flag':
        import pbxproj.pbxcli.pbxproj_flag as pbxproj_flag
        command_parser(pbxproj_flag.execute)(docopt(pbxproj_flag.__doc__, argv=argv))
    elif args[''] == 'folder':
        import pbxproj.pbxcli.pbxproj_folder as pbxproj_folder
        command_parser(pbxproj_folder.execute)(docopt(pbxproj_folder.__doc__, argv=argv))