release 0.9.3

and send keepalive every 8 seconds

to protect against possibly aggressive proxies dropping connections after 10 seconds of inactivity

docs/source/changelog.md

@@ -9,6 +9,21 @@ command line for details.
 
 ## 0.9
 
+### [0.9.3] 2018-09-12
+
+JupyterHub 0.9.3 contains small bugfixes and improvements
+
+- Fix token page and model handling of `expires_at`.
+  This field was missing from the REST API model for tokens
+  and could cause the token page to not render
+- Add keep-alive to progress event stream to avoid proxies dropping
+  the connection due to inactivity
+- Documentation and example improvements
+- Disable quit button when using notebook 5.6
+- Prototype new feature (may change prior to 1.0):
+  pass requesting Handler to Spawners during start,
+  accessible as `self.handler`
+
 ### [0.9.2] 2018-08-10
 
 JupyterHub 0.9.2 contains small bugfixes and improvements.
@@ -402,7 +417,8 @@ Fix removal of `/login` page in 0.4.0, breaking some OAuth providers.
 First preview release
 
 
-[Unreleased]: https://github.com/jupyterhub/jupyterhub/compare/0.9.2...HEAD
+[Unreleased]: https://github.com/jupyterhub/jupyterhub/compare/0.9.3...HEAD
+[0.9.3]: https://github.com/jupyterhub/jupyterhub/compare/0.9.2...0.9.3
 [0.9.2]: https://github.com/jupyterhub/jupyterhub/compare/0.9.1...0.9.2
 [0.9.1]: https://github.com/jupyterhub/jupyterhub/compare/0.9.0...0.9.1
 [0.9.0]: https://github.com/jupyterhub/jupyterhub/compare/0.8.1...0.9.0

jupyterhub/_version.py

@@ -4,11 +4,11 @@
 # Distributed under the terms of the Modified BSD License.
 
 version_info = (
-    1,
-    0,
     0,
+    9,
+    3,
     "",  # release (b1, rc1, or "" for final or dev)
-    "dev",  # dev or nothing
+    # "dev",  # dev or nothing
 )
 
 # pep 440 version: no dot before beta/rc, but before .dev

jupyterhub/apihandlers/users.py

@@ -429,7 +429,7 @@ class UserAdminAccessAPIHandler(APIHandler):
 class SpawnProgressAPIHandler(APIHandler):
     """EventStream handler for pending spawns"""
 
-    keepalive_interval = 10
+    keepalive_interval = 8
 
     def get_content_type(self):
         return 'text/event-stream'
@@ -445,7 +445,6 @@ class SpawnProgressAPIHandler(APIHandler):
 
     _finished = False
     def on_finish(self):
-        print("on finish")
         self._finished = True
 
     async def keepalive(self):
@@ -456,7 +455,7 @@ class SpawnProgressAPIHandler(APIHandler):
         """
         while not self._finished:
             try:
-                await self.write("\n\n")
+                self.write("\n\n")
             except (StreamClosedError, RuntimeError):
                 return
             await asyncio.sleep(self.keepalive_interval)