Merge pull request #3593 from takluyver/url-prefer-ipaddr

Prefer IP address over hostname when available

docs/source/changelog.rst

@@ -30,7 +30,7 @@ New features:
 
 - The files list now shows file sizes (:ghpull:`3539`)
 - Add a quit button in the dashboard (:ghpull:`3004`)
-- Display hostname in the terminal when running remotely (:ghpull:`3356`)
+- Display hostname in the terminal when running remotely (:ghpull:`3356`, :ghpull:`3593`)
 - Add slides exportation/download to the menu (:ghpull:`3287`)
 - Add any extra installed nbconvert exporters to the "Download as" menu (:ghpull:`3323`)
 - Editor: warning when overwriting a file that is modified on disk (:ghpull:`2783`)

notebook/notebookapp.py

@@ -1339,11 +1339,10 @@ class NotebookApp(JupyterApp):
     
     @property
     def display_url(self):
-        hostname = socket.gethostname()
-        if self.ip in ('localhost', '127.0.0.1', hostname):
-            ip = self.ip
+        if self.ip in ('', '0.0.0.0'):
+            ip = socket.gethostname()
         else:
-            ip = hostname
+            ip = self.ip
         url = self._url(ip)
         if self.token:
             # Don't log full token if it came from config