memberPlumbing/doorUtil.py

#!/usr/bin/env python3
import bitstring

import requests
import csv
from io import StringIO

from common import *

# Reference for H10301 card format:
# https://www.hidglobal.com/sites/default/files/hid-understanding_card_data_formats-wp-en.pdf


def hexToCode(h):
    b = bitstring.Bits(hex=h)
    facility = b[7:15].uint
    code = b[15:31].uint
    return ((facility, code))


def codeToHex(facility, code):
    b = bitstring.pack('0b000000, uint:1, uint:8, uint:16, uint:1', 0,
                       facility, code, 0)
    # calculate parity bits
    b[6] = b[7:19].count(1) % 2  # even parity
    b[31] = not (b[19:31].count(1) % 2)  # odd parity
    return b.hex.upper()


# hexToCode("01E29DA1") <-> codeToHex(241, 20176)


def forEachDoor(fxn):
    for door in doors.values():
        print(door.name)
        fxn(door)

#forEachDoor(lambda door: door.sendCardFormat("A901146A-244", 1, 244))
#forEachDoor(lambda door: door.sendSchedules())