python获取windows所有com口

import serial
import serial.tools.list_ports

port_list = list(serial.tools.list_ports.comports())
port_list_name = []
if len(port_list) <= 0:
    print "The Serial port can't find!"
else:
    for each_port in port_list:
        port_list_name.append(each_port[0])

if __name__ == '__main__':
    print port_list_name

运行结果：

[u'COM3', u'COM1', u'COM2', u'COM4']