DS1307 Real Time Clock I2C module time setting and fetching using Python

DS1307-RTC.py

def DS1307_Set_Time():
    from datetime import datetime
    now=datetime.now()

    seconds = int(now.second)
    sec_1 = '{0:04b}'.format(seconds % 10)
    sec_2 = '{0:04b}'.format(int(seconds / 10))
    b_seconds = sec_2 + sec_1

    minutes = int(now.minute)
    min_1 = '{0:04b}'.format(minutes % 10)
    min_2 = '{0:04b}'.format(int(minutes / 10))
    b_minutes = min_2 + min_1
    
    hours = int(now.hour)
    hour_1 = '{0:04b}'.format(hours % 10)
    hour_2 = '{0:02b}'.format(int(hours / 10))
    b_hours = '01' + hour_2 + hour_1 # 24 hour format

    b_day = '{0:08b}'.format(now.isoweekday())

    date = int(now.day)
    date_1 = '{0:04b}'.format(date % 10)
    date_2 = '{0:02b}'.format(int(date / 10))
    b_date = '00' + date_2 + date_1
    
    month = int(now.month)
    month_1 = '{0:04b}'.format(month % 10)
    month_2 = '{0:01b}'.format(int(month / 10))
    b_month = '000' + month_2 + month_1
    
    year = int(str(now.year)[2:])
    year_1 = '{0:04b}'.format(year % 10)
    year_2 = '{0:01b}'.format(int(year / 10))
    b_year = '000' + year_2 + year_1
    
    self._device.send_byte(CP.SENSORS)
    self._device.send_byte(CP.SET_TIME)
    self._device.send_byte(Byte.pack(int(b_seconds, 2)))        
    self._device.send_byte(Byte.pack(int(b_minutes, 2)))
    self._device.send_byte(Byte.pack(int(b_hours, 2)))
    self._device.send_byte(Byte.pack(int(b_day, 2)))
    self._device.send_byte(Byte.pack(int(b_date, 2)))
    self._device.send_byte(Byte.pack(int(b_month, 2)))
    self._device.send_byte(Byte.pack(int(b_year, 2)))
    self._device.send_byte(Byte.pack(128))
    status = self._device.get_ack()
    if (status == 1):
        print("Date set")
    else:
        print("Error")

def DS1307_Get_Time():
    self._device.send_byte(CP.SENSORS)
    self._device.send_byte(CP.GET_TIME)
    A = []
    for i in range(7):
        A.append('{0:08b}'.format((self._device.get_byte())))
    self._device.get_ack()

    # Seconds
    sec_1 = A[0][4:]
    sec_2 = A[0][:4]
    seconds = str(int(sec_2, 2)) + '' + str(int(sec_1, 2))
    # Minutes
    min_1 = A[1][4:]
    min_2 = A[1][:4]
    minutes = str(int(min_2, 2)) + '' + str(int(min_1, 2))
    # Hours
    hr_1 = A[2][4:]
    hr_2 = A[2][3]
    hours = str(int(hr_2, 2)) + '' + str(int(hr_1, 2))
    # Day of week
    import calendar
    day = str(int(A[3][5:], 2) - 1)
    day = calendar.day_name[int(day)]
    # Date
    date_1 = A[4][4:]
    date_2 = A[4][2:4]
    date = str(int(date_2, 2)) + '' + str(int(date_1, 2))
    # Month
    month_1 = A[5][4:]
    month_2 = A[5][3]
    month = str(int(month_2, 2)) + '' + str(int(month_1, 2))
    # Year
    year_1 = A[6][4:]
    year_2 = A[6][:4]
    year = str(int(year_2, 2)) + '' + str(int(year_1, 2))

    K = str(year + '/' + month + '/' + date + ' (' + day + ') ' + hours + ':' + minutes + ':' + seconds)
    print(K)