IoT: Pronto to broadlink

#Pronto IR Code to broadlink_cli
https://gist.github.com/appden/42d5272bf128125b019c45bc2ed3311f
https://repl.it/repls/UsedRobustTranslation

import binascii
import struct

def pronto2lirc(pronto):
    codes = [long(binascii.hexlify(pronto[i:i+2]), 16) for i in xrange(0, len(pronto), 2)]

    if codes[0]:
        raise ValueError('Pronto code should start with 0000')
    if len(codes) != 4 + 2 * (codes[2] + codes[3]):
        raise ValueError('Number of pulse widths does not match the preamble')

    frequency = 1 / (codes[1] * 0.241246)
    return [int(round(code / frequency)) for code in codes[4:]]

def lirc2broadlink(pulses):
    array = bytearray()

    for pulse in pulses:
        pulse = pulse * 269 / 8192  # 32.84ms units

        if pulse < 256:
            array += bytearray(struct.pack('>B', pulse))  # big endian (1-byte)
        else:
            array += bytearray([0x00])  # indicate next number is 2-bytes
            array += bytearray(struct.pack('>H', pulse))  # big endian (2-bytes)

    packet = bytearray([0x26, 0x00])  # 0x26 = IR, 0x00 = no repeats
    packet += bytearray(struct.pack('<H', len(array)))  # little endian byte count
    packet += array
    packet += bytearray([0x0d, 0x05])  # IR terminator

    # Add 0s to make ultimate packet size a multiple of 16 for 128-bit AES encryption.
    remainder = (len(packet) + 4) % 16  # rm.send_data() adds 4-byte header (02 00 00 00)
    if remainder:
        packet += bytearray(16 - remainder)

    return packet

if __name__ == '__main__':
    import sys


    pronto = bytearray.fromhex('0000 006d 0026 0000 0155 00aa 0016 0015 0016 0015 0016 0040 0016 0015 0016 0015 0016 0014 0016 0015 0016 0015 0016 0040 0016 0040 0016 0015 0016 0040 0016 0040 0016 0040 0016 0040 0016 0040 0016 0015 0016 0015 0016 0040 0016 0015 0016 0015 0016 0014 0016 0040 0016 0040 0016 0040 0016 0040 0016 0015 0016 0040 0016 0040 0016 0040 0016 0014 0016 0015 0016 060b 0155 0055 0016 0e58 0155 0055 0016 00aa')
    pulses = pronto2lirc(pronto)
    packet = lirc2broadlink(pulses)

    print
    print binascii.hexlify(packet)