Google Appengine标准Python 2.7：不再可以在localhost dev_appserver.py上运行Google端点

Question

今天要去上一个旧的Python2.7 AppEngine Standard项目工作，但是我似乎无法使Endpoints正常工作。我下载了示例代码，以查看我的项目是否是罪魁祸首，但是该示例也不起作用。 https://cloud.google.com/endpoints/docs/frameworks/python/get-started-frameworks-python#run_local

dev_appserver.py --host 192.168.1.73 app.yaml --smtp_host=smtp.telus.net --smtp_port=25
INFO     2020-02-04 19:46:38,243 devappserver2.py:289] Skipping SDK update check.
INFO     2020-02-04 19:46:38,303 api_server.py:282] Starting API server at: http://localhost:45473
INFO     2020-02-04 19:46:38,325 dispatcher.py:267] Starting module "default" running at: http://192.168.1.73:8080
INFO     2020-02-04 19:46:38,326 admin_server.py:150] Starting admin server at: http://localhost:8000

一切都开始，好了，但是当我按下端点时：/ _ ah / api / echo / v1 / echo

Traceback (most recent call last):
  File "/usr/lib/google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 240, in Handle
    handler = _config_handle.add_wsgi_middleware(self._LoadHandler())
  File "/usr/lib/google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 311, in _LoadHandler
    handler, path, err = LoadObject(self._handler)
  File "/usr/lib/google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 85, in LoadObject
    obj = __import__(path[0])
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/main.py", line 19, in <module>
    import endpoints
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/endpoints/__init__.py", line 33, in <module>
    from .apiserving import *
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/endpoints/apiserving.py", line 71, in <module>
    from endpoints_management.control import client as control_client
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/endpoints_management/__init__.py", line 19, in <module>
    from . import auth, config, control, gen
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/endpoints_management/config/__init__.py", line 17, in <module>
    from .service_config import ServiceConfigException
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/endpoints_management/config/service_config.py", line 25, in <module>
    from apitools.base.py import encoding
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/apitools/base/py/__init__.py", line 23, in <module>
    from apitools.base.py.credentials_lib import *
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/apitools/base/py/credentials_lib.py", line 44, in <module>
    import fasteners
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/fasteners/__init__.py", line 23, in <module>
    from fasteners.lock import locked  # noqa
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/fasteners/lock.py", line 24, in <module>
    from fasteners import _utils
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/fasteners/_utils.py", line 39, in <module>
    from monotonic import monotonic as now  # noqa
  File "/home/mparkes/app_engine_projects/samples/python-docs-samples/appengine/standard/endpoints-frameworks-v2/echo/lib/monotonic.py", line 169, in <module>
    raise RuntimeError('no suitable implementation for this system: ' + repr(e))
INFO     2020-02-04 19:46:45,501 module.py:865] default: "GET /_ah/api/static/proxy.html?usegapi=1&jsh=m%3B%2F_%2Fscs%2Fapps-static%2F_%2Fjs%2Fk%3Doz.gapi.en.xh-S9KbEGSE.O%2Fam%3DwQc%2Fd%3D1%2Fct%3Dzgms%2Frs%3DAGLTcCNaUSRWzhd71dAsiMVOstVE3KcJZw%2Fm%3D__features__ HTTP/1.1" 500 -
RuntimeError: no suitable implementation for this system: IOError(13, 'file not accessible')

这与2020年1月1日删除的python2.7支持有关吗？出于记录，我的应用程序在Appengine上仍然可以正常运行，但是我将无法继续开发。

[[EDIT] Google Cloud版本：

Google Cloud SDK 279.0.0
alpha 2020.01.31
app-engine-python 1.9.88
app-engine-python-extras 1.9.88

[编辑] Python：

Python 2.7.17 (default, Nov  7 2019, 10:07:09)
[GCC 7.4.0] on linux2

如果迁移到Python 3，则会丢失端点，并且需要完全重写客户端代码。

提前感谢。

Answer 1

我能够使用旧版本的SDK使它正常工作。

google_appengine_1.6.63

有花招。我猜我正在使用最新版本的Google Cloud SDK 279.0.0和app-engine-python 1.9.88，但dev_appserver.py]有问题

希望这可以帮助遇到相同问题的任何人。