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# -*- coding: utf-8 -*-
#
# SPDX-FileCopyrightText: © 2013 The glucometerutils Authors
# SPDX-License-Identifier: MIT
"""Common exceptions for glucometerutils."""
from typing import Any, Optional
class Error(Exception):
"""Base class for the errors."""
class CommandLineError(Error):
"""Error with commandline parameters provided."""
class ConnectionFailed(Error):
"""It was not possible to connect to the meter."""
def __init__(self, message: str = "Unable to connect to the meter.") -> None:
super().__init__(message)
class CommandError(Error):
"""It was not possible to send a command to the device."""
def __init__(self, message: str = "Unable to send command to device.") -> None:
super().__init__(message)
class InvalidResponse(Error):
"""The response received from the meter was not understood"""
def __init__(self, response: str) -> None:
super().__init__(f"Invalid response received:\n{response}")
class InvalidChecksum(InvalidResponse):
def __init__(self, wire: int, calculated: Optional[int]) -> None:
if calculated is not None:
message = f"Response checksum not matching: {wire:08x} (wire) != {calculated:08x} (calculated)"
else:
message = f"Unable to calculate checksum. Expected {wire:08x}."
super().__init__(message)
class InvalidGlucoseUnit(Error):
"""Unable to parse the given glucose unit"""
def __init__(self, unit: Any) -> None:
super().__init__(f"Invalid glucose unit received:\n{unit}")
class InvalidDateTime(Error):
"""The device has an invalid date/time setting."""
def __init__(self) -> None:
super().__init__("Invalid date and time for device")
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