platform.py 文件源码

def win32_comports_bruteforce():
    import win32file
    import win32con

    ports = []
    for i in range(1, 257):
        portname = "\\\\.\\COM%i" % i
        try:
            mode = win32con.GENERIC_READ | win32con.GENERIC_WRITE
            port = \
                win32file.CreateFile(portname,
                                     mode,
                                     win32con.FILE_SHARE_READ,
                                     None,
                                     win32con.OPEN_EXISTING,
                                     0,
                                     None)
            if portname.startswith("\\"):
                portname = portname[4:]
            ports.append((portname, "Unknown", "Serial"))
            win32file.CloseHandle(port)
            port = None
        except Exception, e:
            pass

    return ports