stream.py

#!/usr/bin/env python

# Copyright 2018 The Kubernetes Authors.
#
# 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 . import ws_client


def stream(func, *args, **kwargs):
    """Stream given API call using websocket"""

    def _intercept_request_call(*args, **kwargs):
        # old generated code's api client has config. new ones has
        # configuration
        try:
            config = func.__self__.api_client.configuration
        except AttributeError:
            config = func.__self__.api_client.config

        return ws_client.websocket_call(config, *args, **kwargs)

    prev_request = func.__self__.api_client.request
    try:
        func.__self__.api_client.request = _intercept_request_call
        return func(*args, **kwargs)
    finally:
        func.__self__.api_client.request = prev_request