backup-tool/app/exceptions.py

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"""Common exceptions raised by the program."""
from typing import Union, List
class InvalidKeyError(Exception):
"""Thrown when a config file contains an invalid key."""
def __init__(self, keys: Union[str, List[str]]):
"""Create a new InvalidKeyError object with the given key.
Args:
keys: the invalid key(s)
"""
if type(keys) == str:
keys = [keys]
self.message = "Invalid key(s): {}".format(", ".join(keys))
super().__init__()
class MissingKeyError(Exception):
"""Thrown when a required key is missing from a config."""
def __init__(self, keys: Union[str, List[str]]):
"""Create a new MissingKeyError object with the given key.
Args:
keys: the invalid key(s)
"""
if type(keys) == str:
keys = [keys]
self.message = "Missing key(s): {}".format(", ".join(keys))
super().__init__()