BlueJeans ApiException：415“不支持的媒体类型”

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【中文标题】BlueJeans ApiException：415“不支持的媒体类型”【英文标题】：BlueJeans ApiException: 415 "Unsupported Media Type" 【发布时间】：2018-12-15 12:46:53 【问题描述】：

我正在尝试使用 BlueJeans API 按照https://github.com/bluejeans/api-rest-meetings/blob/master/libs/python/docs/ApplicationApi.md#create_client_application 的示例创建客户端应用程序。我已经获得了一个客户端 ID 和密码以及一个用户 ID，并将它们保存在我的 Django 设置中。我还编写了一个函数来获取访问令牌：

import json
from urllib.parse import urljoin
import requests
import logging
import BlueJeansMeetingsRestApi
from django.conf import settings
from rest_framework import status

logger = logging.getLogger(__name__)


class ConferenceScheduler(object):
    BASE_URL = 'https://api.bluejeans.com'

    @staticmethod
    def get_token():
        # Obtain an access token to initiate a session with BlueJeans
        # (We use the Client Grant Type which grants us enterprise-level access)
        response = requests.post(
            url=urljoin(base=ConferenceScheduler.BASE_URL, url='/oauth2/token'),
            json=
                'grant_type': 'client_credentials',
                'client_id': settings.BLUEJEANS_KEY,
                'client_secret': settings.BLUEJEANS_SECRET)
        if response.status_code == status.HTTP_200_OK:
            return json.loads(response.content).get('access_token')
        else:
            logger.error(f"A request for a BlueJeans access token returned a non-200 response.\n"
                         f"Status code: response.status_code\n"
                         f"Reason: response.reason")

在 Django shell 中继续，我尝试按照示例中的步骤操作，但我得到了一个ApiException：

In [1]: from lucy_web.lib.conferencing import *

In [2]: BlueJeansMeetingsRestApi.configuration.api_key['access_token'] = ConferenceSch
   ...: eduler.get_token()

In [3]: api_instance = BlueJeansMeetingsRestApi.ApplicationApi()

In [4]: user_id = settings.BLUEJEANS_USER_ID


In [6]: application = BlueJeansMeetingsRestApi.Application()

In [7]: api_response = api_instance.create_client_application(user_id, application)
---------------------------------------------------------------------------
ApiException                              Traceback (most recent call last)
<ipython-input-7-1bf90ba9e2a8> in <module>()
----> 1 api_response = api_instance.create_client_application(user_id, application)

~/.local/share/virtualenvs/lucy-web-CVxkrCFK/lib/python3.6/site-packages/BlueJeansMeetingsRestApi/apis/application_api.py in create_client_application(self, user_id, application, **kwargs)
     65             return self.create_client_application_with_http_info(user_id, application, **kwargs)
     66         else:
---> 67             (data) = self.create_client_application_with_http_info(user_id, application, **kwargs)
     68             return data
     69 

~/.local/share/virtualenvs/lucy-web-CVxkrCFK/lib/python3.6/site-packages/BlueJeansMeetingsRestApi/apis/application_api.py in create_client_application_with_http_info(self, user_id, application, **kwargs)
    148                                         _preload_content=params.get('_preload_content', True),
    149                                         _request_timeout=params.get('_request_timeout'),
--> 150                                         collection_formats=collection_formats)
    151 
    152     def regenerate_client_application_secret(self, user_id, client_id, **kwargs):

~/.local/share/virtualenvs/lucy-web-CVxkrCFK/lib/python3.6/site-packages/BlueJeansMeetingsRestApi/api_client.py in call_api(self, resource_path, method, path_params, query_params, header_params, body, post_params, files, response_type, auth_settings, callback, _return_http_data_only, collection_formats, _preload_content, _request_timeout)
    324                                    body, post_params, files,
    325                                    response_type, auth_settings, callback,
--> 326                                    _return_http_data_only, collection_formats, _preload_content, _request_timeout)
    327         else:
    328             thread = threading.Thread(target=self.__call_api,

~/.local/share/virtualenvs/lucy-web-CVxkrCFK/lib/python3.6/site-packages/BlueJeansMeetingsRestApi/api_client.py in __call_api(self, resource_path, method, path_params, query_params, header_params, body, post_params, files, response_type, auth_settings, callback, _return_http_data_only, collection_formats, _preload_content, _request_timeout)
    151                                      post_params=post_params, body=body,
    152                                      _preload_content=_preload_content,
--> 153                                      _request_timeout=_request_timeout)
    154 
    155         self.last_response = response_data

~/.local/share/virtualenvs/lucy-web-CVxkrCFK/lib/python3.6/site-packages/BlueJeansMeetingsRestApi/api_client.py in request(self, method, url, query_params, headers, post_params, body, _preload_content, _request_timeout)
    369                                          _preload_content=_preload_content,
    370                                          _request_timeout=_request_timeout,
--> 371                                          body=body)
    372         elif method == "PUT":
    373             return self.rest_client.PUT(url,

~/.local/share/virtualenvs/lucy-web-CVxkrCFK/lib/python3.6/site-packages/BlueJeansMeetingsRestApi/rest.py in POST(self, url, headers, query_params, post_params, body, _preload_content, _request_timeout)
    261                             _preload_content=_preload_content,
    262                             _request_timeout=_request_timeout,
--> 263                             body=body)
    264 
    265     def PUT(self, url, headers=None, query_params=None, post_params=None, body=None, _preload_content=True,

~/.local/share/virtualenvs/lucy-web-CVxkrCFK/lib/python3.6/site-packages/BlueJeansMeetingsRestApi/rest.py in request(self, method, url, query_params, headers, body, post_params, _preload_content, _request_timeout)
    217 
    218         if not 200 <= r.status <= 299:
--> 219             raise ApiException(http_resp=r)
    220 
    221         return r

ApiException: (415)
Reason: Unsupported Media Type
HTTP response headers: HTTPHeaderDict('Server': 'BlueJeans Proxy', 'Date': 'Fri, 06 Jul 2018 22:17:24 GMT', 'X-NewRelic-App-Data': 'PxQAV1ZaABADUVZbBAACU0YdFGQHBDcQUQxLA1tMXV1dORYyVBNFDgFCa04tBkFoRB0RBwpSWAtKU1pGBwwGA14RFhFdSkJbUABKT10IVQcHT1QNA010WlYBAhtUXVIlC19CUgsIBhAcQlkMVldAU0cMVg8MOl0NClNqPERPCB0ASFFMBwMBU1UCAAZRSlNOEgYLWgAAVwMEXQoAUlUCAVAUag==', 'X-Trace-Token': 'sj1-prod-cobalt-03-158215204', 'Content-Type': 'application/json; charset=UTF-8', 'Content-Length': '47')
HTTP response body: "code":415,"message":"Unsupported Media Type"

我不知道这里可能是什么问题，因为user_id 在文档中被指定为整数。如何从该端点获得有效响应？

更新

我还尝试使用包含访问令牌的标头发出“普通”请求，如python request with authentication (access_token) 中所述。但是，在这种情况下，我收到了 401（未经授权）响应：

In [9]: BASE_URL = ConferenceScheduler.BASE_URL

In [10]: BASE_URL
Out[10]: 'https://api.bluejeans.com'

In [11]: url = urljoin(BASE_URL, f'/v1/user/settings.BLUEJEANS_USER_ID')

In [13]: session = requests.Session()

In [14]: token = ConferenceScheduler.get_token()

In [15]: session.headers.update('Authorization': f'access_token token')

In [16]: response = session.get(url)

In [17]: response.status_code
Out[17]: 401

In [19]: response.reason
Out[19]: 'Unauthorized'

通过此 API 调用检查，我的令牌仍然有效：

In [22]: response = requests.get(urljoin(BASE_URL, '/oauth2/tokenInfo'), params='access_token': token
    ...: )

In [23]: response.status_code
Out[23]: 200

另外一个问题是：我如何使用requests 而不是BlueJeansMeetingsRestApi 发出请求？

【问题讨论】：

【参考方案1】：

BlueJeans API 是使用 Swagger 代码生成项目构建的，我通过填写有效负载中的字段（描述、名称、应用徽标 URL 和重定向网址）。

【讨论】：

【参考方案2】：

当您省略 http 标头时，通常会收到 415 Unsupported Media Type 错误：Content-Type: application/json

添加这个，那个错误就会消失

【讨论】：

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