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make HubAuth a singleton

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allows cache re-use in default case

otherwise, default behavior is to instantiate anew on each request, eliminating cache
This commit is contained in:
Min RK
2017-12-11 14:08:40 +01:00
parent ee004486bd
commit e9123f55e0
1 changed files with 3 additions and 3 deletions
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6
jupyterhub/services/auth.py
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@@ -29,7 +29,7 @@ from tornado.log import app_log
from tornado.httputil import url_concat
from tornado.web import HTTPError, RequestHandler
from traitlets.config import Configurable
from traitlets.config import SingletonConfigurable
from traitlets import Unicode, Integer, Instance, default, observe, validate
from ..utils import url_path_join
@@ -97,7 +97,7 @@ class _ExpiringDict(dict):
return default
class HubAuth(Configurable):
class HubAuth(SingletonConfigurable):
"""A class for authenticating with JupyterHub
This can be used by any application.
@@ -699,7 +699,7 @@ class HubAuthenticated(object):
@property
def hub_auth(self):
if self._hub_auth is None:
self._hub_auth = self.hub_auth_class()
self._hub_auth = self.hub_auth_class.instance()
return self._hub_auth
@hub_auth.setter