Windows 本地应用引擎使用：oauth2client ImportError

Question

我正在使用 App Engine Standard，开发 Python 后端服务，并且在某个时候，我告诉自己：

“嘿，你为什么不在使用远程数据存储时尝试在本地运行服务器”

我可以在本地运行这段代码，但我不知道为什么 remote_api_stub 会抛出错误：

" 文件 "C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\google\appengine\ext\remote_api\remote_api_stub.py", 第 1003 行，在 ConfigureRemoteApiForOAuth 'oauth2client 模块：%s' % e)

ImportError：使用 OAuth 凭据需要 oauth2client 模块：没有名为 oauth2client 的模块”

尽管根据 pip 的说法，我已经安装了 oauth2client（我在运行 pip install --upgrade oauth2client 时看到了这一点

提前感谢您的帮助

编辑：

我的问题不是 ImportError: No module named oauth2client 的重复。我还没有在 lib 文件夹中安装 google api 客户端，并确保“appengine_config.py”文件与必要的行位于其位置。

它仍然没有解决我的问题，所以我将提供更多详细信息！

这是我的 main.py（负责 GAE 的默认服务）或至少是它的脱脂版本：

import os
import datetime
import dev_appserver

from google.appengine.ext.remote_api import remote_api_stub
from google.appengine.api import apiproxy_stub_map

dev_appserver.fix_sys_path()
local_urlfetch_stub = apiproxy_stub_map.apiproxy.GetStub('urlfetch')

def configure_remote_api_dev_safe (host):
  if not os.getenv('SERVER_SOFTWARE', '').startswith('Google App Engine/'):
    logging.info("running on local server")
    remote_api_stub.ConfigureRemoteApiForOAuth(host, '/_ah/remote_api')
    apiproxy_stub_map.apiproxy.ReplaceStub('urlfetch', local_urlfetch_stub)
  else:
    logging.info("running on remote server")

def configure_remote_api_dev_unsafe (host):
  if not os.getenv('SERVER_SOFTWARE', '').startswith('Google App Engine/'):
    remote_api_stub.ConfigureRemoteApiForOAuth(host, '/_ah/remote_api')
  else:
    logging.info("running on remote server")


class Main(webapp2.RequestHandler):

  def post(self):
    configure_remote_api_dev_safe ('{}.appspot.com'.format(app))
    test = Test(createdAt=datetime.datetime.utcnow())
    test.put()
    self.response.write("done")


app = ndb.toplevel(webapp2.WSGIApplication({('/', Main)}, debug=True))

当我请求默认服务时出现此错误：

PATH_TO_PROJECT_FOLDER>dev_appserver.py PATH_TO_PROJECT_FOLDER
INFO     2018-07-20 10:45:17,740 devappserver2.py:178] Skipping SDK update check.
INFO     2018-07-20 10:45:18,117 api_server.py:274] Starting API server at: http://localhost:53725
INFO     2018-07-20 10:45:18,151 dispatcher.py:270] Starting module "default" running at: http://localhost:8080
INFO     2018-07-20 10:45:18,153 admin_server.py:152] Starting admin server at: http://localhost:8000
INFO     2018-07-20 10:46:57,006 instance.py:294] Instance PID: 5940

WARNING  2018-07-20 08:46:57,565 sandbox.py:1086] The module _winreg is whitelisted for local dev only. If your application relies on _winreg, it is likely that it will not function properly in production.
INFO     2018-07-20 08:46:57,757 main.py:35] running on local server
ERROR    2018-07-20 08:46:57,760 webapp2.py:1528] Use of OAuth credentials requires the oauth2client module: No module named oauth2client
Traceback (most recent call last):
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 1511, in __call__
rv = self.handle_exception(request, response, e)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 1505, in __call__
rv = self.router.dispatch(request, response)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 1253, in default_dispatcher
return route.handler_adapter(request, response)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 1077, in __call__
return handler.dispatch()
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 547, in dispatch
return self.handle_exception(e, self.app.debug)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 545, in dispatch
return method(*args, **kwargs)
File "PATH_TO_PROJECT_FOLDER\main.py", line 125, in post
configure_remote_api_dev_safe ('{}.appspot.com'.format(app))
File "PATH_TO_PROJECT_FOLDER\main.py", line 38, in configure_remote_api_dev_safe'/_ah/remote_api')
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\google\appengine\ext\remote_api\remote_api_stub.py", line 1003, in ConfigureRemoteApiForOAuth 'oauth2client module: %s' % e)
ImportError: Use of OAuth credentials requires the oauth2client module: No module named oauth2client
ERROR    2018-07-20 08:46:57,765 wsgi.py:279]
Traceback (most recent call last):
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\google\appengine\runtime\wsgi.py", line 267, in Handle
result = handler(dict(self._environ), self._StartResponse)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\google\appengine\ext\ndb\tasklets.py", line 1108, in add_context_wrapper
return synctaskletfunc(*args, **kwds)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\google\appengine\ext\ndb\tasklets.py", line 1087, in synctasklet_wrapper
return taskletfunc(*args, **kwds).get_result()
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\google\appengine\ext\ndb\tasklets.py", line 1057, in tasklet_wrapper
result = func(*args, **kwds)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 1519, in __call__
response = self._internal_error(e)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 1511, in __call__
rv = self.handle_exception(request, response, e)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 1505, in __call__
rv = self.router.dispatch(request, response)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 1253, in default_dispatcher
return route.handler_adapter(request, response)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 1077, in __call__
return handler.dispatch()
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 547, in dispatch
return self.handle_exception(e, self.app.debug)
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\lib\webapp2-2.3\webapp2.py", line 545, in dispatch
return method(*args, **kwargs)
File "PATH_TO_PROJECT_FOLDER\main.py", line 125, in post
configure_remote_api_dev_safe ('{}.appspot.com'.format(app))
File "PATH_TO_PROJECT_FOLDER\main.py", line 38, in configure_remote_api_dev_safe '/_ah/remote_api')
File "SDK_PATH\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\google\appengine\ext\remote_api\remote_api_stub.py", line 1003, in ConfigureRemoteApiForOAuth 'oauth2client module: %s' % e)
ImportError: Use of OAuth credentials requires the oauth2client module: No module named oauth2client
INFO     2018-07-20 10:46:57,782 module.py:880] default: "POST / HTTP/1.1" 500 -

我希望这更能说明问题。再次提前感谢您的帮助！

解决方案：（感谢@Dan Cornilescu）

=>永远不要忘记“import dev_appserver”和对“dev_appserver.fix_sys_path()”的调用

由于代码版本控制（一个糟糕的樱桃选择），我一开始就让它们丢失了，而我认为我做的一切都是正确的。

但我还没有完成，我正面临一个新问题，我将在一个新问题中输入一个新问题，因为它与这个问题的原因无关（我希望在某个时候不会丢失任何其他内容）。 [如果您对新一期感兴趣，请联系right here]

Answer 1

将相关评论转换为答案。

您显示的代码 sn-p 似乎缺少 Using the Remote API in a local client 示例中显然需要的设置部分：

try:
    import dev_appserver
    dev_appserver.fix_sys_path()
except ImportError:
    print('Please make sure the App Engine SDK is in your PYTHONPATH.')
    raise