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# -*- coding: utf-8 -*-
"""Common utility functions for LifeScan meters."""
__author__ = 'Diego Elio Pettenò'
__email__ = 'flameeyes@flameeyes.eu'
__copyright__ = 'Copyright © 2013, Diego Elio Pettenò'
__license__ = 'MIT'
from glucometerutils import exceptions
class MissingChecksum(exceptions.InvalidResponse):
"""The response misses the expected 4-digits checksum."""
def __init__(self, response):
self.message = 'Response is missing checksum: %s' % response
class InvalidChecksum(exceptions.InvalidResponse):
def __init__(self, expected, gotten):
self.message = (
'Response checksum not matching: %04x expected, %04x gotten' %
(expected, gotten))
class InvalidSerialNumber(exceptions.Error):
"""The serial number is not as expected."""
def __init__(self, serial_number):
self.message = 'Serial number %s is invalid.' % serial_number
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