140 def command_callback(cmd, head, need_del, res=""):  argument
162 def check_file_send(local_file, remote_file, head, need_del):  argument
182 def rm_send_file(file_path, head, need_del):  argument
187 def check_file_recv(remote_file, local_file, head, need_del):  argument
218 def check_install(head, res):  argument
232 def check_root(head):  argument
238 def check_user(head):  argument
245 def get_devs(head=NORMAL_HEAD):  argument
268 def run_command(cmd, head=NORMAL_HEAD, need_del=True, need_callback=True):  argument
279 def run_command_stdout(cmd, head=NORMAL_HEAD, need_del=True, need_callback=True):  argument
295 def run_commands(cmds, head=NORMAL_HEAD, need_del=True):  argument
312 def run_split_commands(commands, head=NORMAL_HEAD):  argument
320 def run_device_cmd(head=NORMAL_HEAD):  argument
376 def get_md5(file_path, head=NORMAL_HEAD):  argument