osm_common/temporal_exceptions.py

# Copyright 2023 Canonical Ltd.

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from functools import wraps

from temporalio.exceptions import ApplicationError


class RetryableException(ApplicationError):
    def __init__(self, message):
        super().__init__(message, non_retryable=False)


def wrap_exceptions(error_message="Unhandled exception"):
    def Inner(func):
        @wraps(func)
        async def wrapper(*args, **kwargs):
            try:
                return await func(*args, **kwargs)
            except Exception as err:
                if isinstance(err, RetryableException):
                    raise err
                raise ApplicationError(
                    f"{error_message}: {str(err)}", non_retryable=True
                ) from err

        return wrapper

    return Inner