text: #!/usr/bin/env python3
  """The python-broadlink library."""
  import socket
  from typing import Generator, List, Tuple, Union
  
  from .alarm import S1C
  from .climate import hysen
  from .cover import dooya
  from .device import device, ping, scan
  from .exceptions import exception
  from .light import lb1
  from .remote import rm, rm4, rm4mini, rm4pro, rmmini, rmminib, rmpro
  from .sensor import a1
  from .switch import bg1, mp1, sp1, sp2, sp2s, sp3, sp3s, sp4, sp4b
  
  SUPPORTED_TYPES = {
      0x0000: (sp1, "SP1", "Broadlink"),
      0x2717: (sp2, "NEO", "Ankuoo"),
      0x2719: (sp2, "SP2-compatible", "Honeywell"),
      0x271A: (sp2, "SP2-compatible", "Honeywell"),
      0x2720: (sp2, "SP mini", "Broadlink"),
      0x2728: (sp2, "SP2-compatible", "URANT"),
      0x273E: (sp2, "SP mini", "Broadlink"),
      0x7530: (sp2, "SP2", "Broadlink (OEM)"),
      0x7539: (sp2, "SP2-IL", "Broadlink (OEM)"),
      0x753E: (sp2, "SP mini 3", "Broadlink"),
      0x7540: (sp2, "MP2", "Broadlink"),
      0x7544: (sp2, "SP2-CL", "Broadlink"),
      0x7546: (sp2, "SP2-UK/BR/IN", "Broadlink (OEM)"),
      0x7547: (sp2, "SC1", "Broadlink"),
      0x7918: (sp2, "SP2", "Broadlink (OEM)"),
      0x7919: (sp2, "SP2-compatible", "Honeywell"),
      0x791A: (sp2, "SP2-compatible", "Honeywell"),
      0x7D0D: (sp2, "SP mini 3", "Broadlink (OEM)"),
      0x2711: (sp2s, "SP2", "Broadlink"),
      0x2716: (sp2s, "NEO PRO", "Ankuoo"),
      0x271D: (sp2s, "Ego", "Efergy"),
      0x2736: (sp2s, "SP mini+", "Broadlink"),
      0x2733: (sp3, "SP3", "Broadlink"),
      0x7D00: (sp3, "SP3-EU", "Broadlink (OEM)"),
      0x9479: (sp3s, "SP3S-US", "Broadlink"),
      0x947A: (sp3s, "SP3S-EU", "Broadlink"),
      0x756C: (sp4, "SP4M", "Broadlink"),
      0x756F: (sp4, "MCB1", "Broadlink"),
      0x7579: (sp4, "SP4L-EU", "Broadlink"),
      0x7583: (sp4, "SP mini 3", "Broadlink"),
      0x7D11: (sp4, "SP mini 3", "Broadlink"),
      0xA56A: (sp4, "MCB1", "Broadlink"),
      0xA589: (sp4, "SP4L-UK", "Broadlink"),
      0x5115: (sp4b, "SCB1E", "Broadlink"),
      0x51E2: (sp4b, "AHC/U-01", "BG Electrical"),
      0x6111: (sp4b, "MCB1", "Broadlink"),
      0x6113: (sp4b, "SCB1E", "Broadlink"),
      0x618B: (sp4b, "SP4L-EU", "Broadlink"),
      0x6489: (sp4b, "SP4L-AU", "Broadlink"),
      0x648B: (sp4b, "SP4M-US", "Broadlink"),
      0x2737: (rmmini, "RM mini 3", "Broadlink"),
      0x278F: (rmmini, "RM mini", "Broadlink"),
      0x27C2: (rmmini, "RM mini 3", "Broadlink"),
      0x27C7: (rmmini, "RM mini 3", "Broadlink"),
      0x27CC: (rmmini, "RM mini 3", "Broadlink"),
      0x27CD: (rmmini, "RM mini 3", "Broadlink"),
      0x27D0: (rmmini, "RM mini 3", "Broadlink"),
      0x27D1: (rmmini, "RM mini 3", "Broadlink"),
      0x27D3: (rmmini, "RM mini 3", "Broadlink"),
      0x27DE: (rmmini, "RM mini 3", "Broadlink"),
      0x2712: (rmpro, "RM pro/pro+", "Broadlink"),
      0x272A: (rmpro, "RM pro", "Broadlink"),
      0x273D: (rmpro, "RM pro", "Broadlink"),
      0x277C: (rmpro, "RM home", "Broadlink"),
      0x2783: (rmpro, "RM home", "Broadlink"),
      0x2787: (rmpro, "RM pro", "Broadlink"),
      0x278B: (rmpro, "RM plus", "Broadlink"),
      0x2797: (rmpro, "RM pro+", "Broadlink"),
      0x279D: (rmpro, "RM pro+", "Broadlink"),
      0x27A1: (rmpro, "RM plus", "Broadlink"),
      0x27A6: (rmpro, "RM plus", "Broadlink"),
      0x27A9: (rmpro, "RM pro+", "Broadlink"),
      0x27C3: (rmpro, "RM pro+", "Broadlink"),
      0x5F36: (rmminib, "RM mini 3", "Broadlink"),
      0x6508: (rmminib, "RM mini 3", "Broadlink"),
      0x51DA: (rm4mini, "RM4 mini", "Broadlink"),
      0x6070: (rm4mini, "RM4C mini", "Broadlink"),
      0x610E: (rm4mini, "RM4 mini", "Broadlink"),
      0x610F: (rm4mini, "RM4C mini", "Broadlink"),
      0x62BC: (rm4mini, "RM4 mini", "Broadlink"),
      0x62BE: (rm4mini, "RM4C mini", "Broadlink"),
      0x6364: (rm4mini, "RM4S", "Broadlink"),
      0x648D: (rm4mini, "RM4 mini", "Broadlink"),
      0x6539: (rm4mini, "RM4C mini", "Broadlink"),
      0x653A: (rm4mini, "RM4 mini", "Broadlink"),
      0x6026: (rm4pro, "RM4 pro", "Broadlink"),
      0x61A2: (rm4pro, "RM4 pro", "Broadlink"),
      0x649B: (rm4pro, "RM4 pro", "Broadlink"),
      0x653C: (rm4pro, "RM4 pro", "Broadlink"),
      0x2714: (a1, "e-Sensor", "Broadlink"),
      0x4EB5: (mp1, "MP1-1K4S", "Broadlink"),
      0x4EF7: (mp1, "MP1-1K4S", "Broadlink (OEM)"),
      0x4F1B: (mp1, "MP1-1K3S2U", "Broadlink (OEM)"),
      0x4F65: (mp1, "MP1-1K3S2U", "Broadlink"),
      0x5043: (lb1, "SB800TD", "Broadlink (OEM)"),
      0x504E: (lb1, "LB1", "Broadlink"),
      0x60C7: (lb1, "LB1", "Broadlink"),
      0x60C8: (lb1, "LB1", "Broadlink"),
      0x6112: (lb1, "LB1", "Broadlink"),
      0x2722: (S1C, "S2KIT", "Broadlink"),
      0x4EAD: (hysen, "HY02B05H", "Hysen"),
      0x4E4D: (dooya, "DT360E-45/20", "Dooya"),
      0x51E3: (bg1, "BG800/BG900", "BG Electrical"),
  }
  
  
  def gendevice(
      dev_type: int,
      host: Tuple[str, int],
      mac: Union[bytes, str],
      name: str = None,
      is_locked: bool = None,
  ) -> device:
      """Generate a device."""
      try:
          dev_class, model, manufacturer = SUPPORTED_TYPES[dev_type]
  
      except KeyError:
          return device(host, mac, dev_type, name=name, is_locked=is_locked)
  
      return dev_class(
          host,
          mac,
          dev_type,
          name=name,
          model=model,
          manufacturer=manufacturer,
          is_locked=is_locked,
      )
  
  
  def hello(
      host: str,
      port: int = 80,
      timeout: int = 10,
      local_ip_address: str = None,
  ) -> device:
      """Direct device discovery.
  
      Useful if the device is locked.
      """
      try:
          return next(xdiscover(timeout, local_ip_address, host, port))
      except StopIteration:
          raise exception(-4000)  # Network timeout.
  
  
  def discover(
      timeout: int = 10,
      local_ip_address: str = None,
      discover_ip_address: str = "255.255.255.255",
      discover_ip_port: int = 80,
  ) -> List[device]:
      """Discover devices connected to the local network."""
      responses = scan(timeout, local_ip_address, discover_ip_address, discover_ip_port)
      return [gendevice(*resp) for resp in responses]
  
  
  def xdiscover(
      timeout: int = 10,
      local_ip_address: str = None,
      discover_ip_address: str = "255.255.255.255",
      discover_ip_port: int = 80,
  ) -> Generator[device, None, None]:
      """Discover devices connected to the local network.
  
      This function returns a generator that yields devices instantly.
      """
      responses = scan(timeout, local_ip_address, discover_ip_address, discover_ip_port)
      for resp in responses:
          yield gendevice(*resp)
  
  
  # Setup a new Broadlink device via AP Mode. Review the README to see how to enter AP Mode.
  # Only tested with Broadlink RM3 Mini (Blackbean)
  def setup(ssid: str, password: str, security_mode: int) -> None:
      """Set up a new Broadlink device via AP mode."""
      # Security mode options are (0 - none, 1 = WEP, 2 = WPA1, 3 = WPA2, 4 = WPA1/2)
      payload = bytearray(0x88)
      payload[0x26] = 0x14  # This seems to always be set to 14
      # Add the SSID to the payload
      ssid_start = 68
      ssid_length = 0
      for letter in ssid:
          payload[(ssid_start + ssid_length)] = ord(letter)
          ssid_length += 1
      # Add the WiFi password to the payload
      pass_start = 100
      pass_length = 0
      for letter in password:
          payload[(pass_start + pass_length)] = ord(letter)
          pass_length += 1
  
      payload[0x84] = ssid_length  # Character length of SSID
      payload[0x85] = pass_length  # Character length of password
      payload[0x86] = security_mode  # Type of encryption
  
      checksum = sum(payload, 0xBEAF) & 0xFFFF
      payload[0x20] = checksum & 0xFF  # Checksum 1 position
      payload[0x21] = checksum >> 8  # Checksum 2 position
  
      sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)  # Internet  # UDP
      sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
      sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
      sock.sendto(payload, ("255.255.255.255", 80))
      sock.close()
  