Source code for cloudstorage.exceptions

"""Exceptions for Cloud Storage errors."""

try:
    from http import HTTPStatus
except ImportError:
    # noinspection PyUnresolvedReferences
    from httpstatus import HTTPStatus


class CloudStorageError(Exception):
    """Base class for exceptions."""

    def __init__(self, message: str) -> None:
        super().__init__(message)
        self.message = message


class NotFoundError(CloudStorageError):
    """Raised when a container or blob does not exist."""
    code = HTTPStatus.NOT_FOUND


class IsNotEmptyError(CloudStorageError):
    """Raised when the container is not empty."""
    code = HTTPStatus.CONFLICT


class SignatureExpiredError(CloudStorageError):
    """Raised when signature timestamp is older than required maximum age."""
    code = HTTPStatus.UNAUTHORIZED

    def __init__(self) -> None:
        super().__init__(message='The signature has expired.')