#    Copyright (C) 2015 Yahoo! Inc. All Rights Reserved.
#
#    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 typing import Any


def get_callback_name(cb: Any) -> str:
    """Tries to get a callbacks fully-qualified name."""
    segments = [cb.__qualname__]

    # When running under sphinx it appears this can be none?
    if cb.__module__:
        segments.insert(0, cb.__module__)

    return ".".join(segments)
