Source code for vodem.util

import datetime
import logging
import re

from .exceptions import DecodeError

logging.basicConfig()

def decode_number(message):
    logging.getLogger(__name__).debug(message)
    try:
        if message == '':
            return 0
        return int(message, 10)
    except Exception as ex:
        raise DecodeError(ex)

def decode_result(message):
    logging.getLogger(__name__).debug(message)
    try:
        if message == 'success':
            return True
        if message == 'failure':
            return False
        raise ValueError("unable to decode")
    except Exception as ex:
        raise DecodeError(ex)

def decode_sms_tag(message):
    logging.getLogger(__name__).debug(message)
    try:
        return int(message)
    except Exception as ex:
        raise DecodeError(ex)

def decode_sms_id(message):
    logging.getLogger(__name__).debug(message)
    try:
        return int(message)
    except Exception as ex:
        raise DecodeError(ex)

def decode_sms_cmd_status_info(message):
    logging.getLogger(__name__).debug(message)
    try:
        return int(message)
    except Exception as ex:
        raise DecodeError(ex)

def decode_sms_message(message):
    logging.getLogger(__name__).debug(message)
    def decode(characters):
        return '{0}'.format(chr(int(characters, 16)))
    try:
        return ''.join([decode(x) for x in re.findall('....', message)])
    except Exception as ex:
        raise DecodeError(ex)

def encode_sms_message(message):
    logging.getLogger(__name__).debug(message)
    def encode(character):
        return '{0:0=4x}'.format(ord(character))
    try:
        return ''.join([encode(x) for x in message])
    except Exception as ex:
        raise DecodeError(ex)

def decode_time(message):
    logging.getLogger(__name__).debug(message)
    try:
        message, _ = _decode_utcoffset(message)
        return datetime.datetime.strptime(message, '%y,%m,%d,%H,%M,%S,')
    except Exception as ex:
        raise DecodeError(ex)

def encode_time(message):
    logging.getLogger(__name__).debug(message)
    try:
        return '{0}{1}'.format(message.strftime('%y;%m;%d;%H;%M;%S;'), '+0')
    except Exception as ex:
        raise DecodeError(ex)

def decode_wan_manual_contents_long(message):
    logging.getLogger(__name__).debug(message)
    def strip_chars(bad):
        """ This should't need to exist """
        return (
            bad[0],
            re.sub(r'\"', '', bad[1]),
            re.sub(r'\"', '', bad[2]),
            re.sub(r'\D', '', bad[3]),
            bad[4]
            )
    # I have nothing nice to say here about vendor.js:1323
    try:
        expr = re.compile(r'\(([^,]*),([^,]*),([^,]*),([^,]*),([^,]*)\),')
        matches = expr.findall(message)
        matches = [strip_chars(match) for match in matches]
        return matches
    except Exception as ex:
        raise DecodeError(ex)

def _decode_utcoffset(message):
    logging.getLogger(__name__).debug(message)
    try:
        expr = re.compile(r'^((?:[0-9]{2}\,){6})([+-]?[0-9]{1,2}$)')
        tstr, tzstr = expr.match(message).groups()
        return (tstr, tzstr)
    except Exception as ex:
        raise DecodeError(ex)