class FileFormatError(Exception):
"""Raised when the format of given file is unsupported or unrecognized."""
pass
class ParseError(Exception):
"""Raised when the file cannot be parsed correctly."""
pass
class DecryptionError(Exception):
"""Raised when the file cannot be decrypted."""
pass
class EncryptionError(Exception):
"""Raised when the file cannot be encrypted."""
pass
class InvalidKeyError(DecryptionError):
"""Raised when the given password or key is incorrect or cannot be verified."""
pass