codekingpro/portable-devtools

1# Copyright 2018 The Kubernetes Authors.2#3# Licensed under the Apache License, Version 2.0 (the "License");4# you may not use this file except in compliance with the License.5# You may obtain a copy of the License at6#7#     http://www.apache.org/licenses/LICENSE-2.08#9# Unless required by applicable law or agreed to in writing, software10# distributed under the License is distributed on an "AS IS" BASIS,11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12# See the License for the specific language governing permissions and13# limitations under the License.14 15import functools16 17from . import ws_client18 19 20def _websocket_request(websocket_request, force_kwargs, api_method, *args, **kwargs):21    """Override the ApiClient.request method with an alternative websocket based22    method and call the supplied Kubernetes API method with that in place."""23    if force_kwargs:24        for kwarg, value in force_kwargs.items():25            kwargs[kwarg] = value26    api_client = api_method.__self__.api_client27    # old generated code's api client has config. new ones has configuration28    try:29        configuration = api_client.configuration30    except AttributeError:31        configuration = api_client.config32    prev_request = api_client.request33    binary = kwargs.pop('binary', False)34    try:35        api_client.request = functools.partial(websocket_request, configuration, binary=binary)36        out = api_method(*args, **kwargs)37        # The api_client insists on converting this to a string using its representation, so we have38        # to do this dance to strip it of the b' prefix and ' suffix, encode it byte-per-byte (latin1),39        # escape all of the unicode \x*'s, then encode it back byte-by-byte40        # However, if _preload_content=False is passed, then the entire WSClient is returned instead41        # of a response, and we want to leave it alone42        if binary and kwargs.get('_preload_content', True):43            out = out[2:-1].encode('latin1').decode('unicode_escape').encode('latin1')44        return out45    finally:46        api_client.request = prev_request47 48 49stream = functools.partial(_websocket_request, ws_client.websocket_call, None)50portforward = functools.partial(_websocket_request, ws_client.portforward_call, {'_preload_content':False})51