support for URL filename and URL parameters

jupyter_server_proxy/api.py

@@ -20,7 +20,8 @@ async def get(self):
                 'launcher_entry': {
                     'enabled': sp.launcher_entry.enabled,
                     'title': sp.launcher_entry.title,
-                    'path_info': sp.launcher_entry.path_info
+                    'path_info': sp.launcher_entry.path_info,
+                    'urlfile': sp.launcher_entry.urlfile
                 },
                 'new_browser_tab' : sp.new_browser_tab
             }

jupyter_server_proxy/config.py

@@ -106,7 +106,7 @@ def make_handlers(base_url, server_processes):
         ))
     return handlers
 
-LauncherEntry = namedtuple('LauncherEntry', ['enabled', 'icon_path', 'title', 'path_info'])
+LauncherEntry = namedtuple('LauncherEntry', ['enabled', 'icon_path', 'title', 'path_info', 'urlfile'])
 ServerProcess = namedtuple('ServerProcess', [
     'name', 'command', 'environment', 'timeout', 'absolute_url', 'port', 'mappath', 'launcher_entry', 'new_browser_tab', 'request_headers_override'])
 
@@ -124,7 +124,8 @@ def make_server_process(name, server_process_config):
             enabled=le.get('enabled', True),
             icon_path=le.get('icon_path'),
             title=le.get('title', name),
-            path_info=le.get('path_info', name + "/")
+            path_info=le.get('path_info', name + "/"),
+            urlfile=le.get('urlfile', '')
         ),
         new_browser_tab=server_process_config.get('new_browser_tab', True),
         request_headers_override=server_process_config.get('request_headers_override', {})
@@ -184,6 +185,10 @@ class ServerProxy(Configurable):
             title
               Title to be used for the launcher entry. Defaults to the name of the server if missing.
 
+            urlfile
+              URL file name and URL parameters to be added to the base URL of the launcher entry.
+              Default is none.
+
           new_browser_tab
             Set to True (default) to make the proxied server interface opened as a new browser tab. Set to False
             to have it open a new JupyterLab tab. This has no effect in classic notebook.

jupyter_server_proxy/static/tree.js

@@ -33,10 +33,14 @@ define(['jquery', 'base/js/namespace', 'base/js/utils'], function($, Jupyter, ut
                     .addClass('new-' + server_process.name);
 
                 /* create our list item's link */
+                var urlfile = '';
+                if (server_process.launcher_entry.urlfile) {
+                    urlfile =  server_process.launcher_entry.urlfile;
+                }
                 var $entry_link = $('<a>')
                     .attr('role', 'menuitem')
                     .attr('tabindex', '-1')
-                    .attr('href', base_url + server_process.launcher_entry.path_info)
+                    .attr('href', base_url + server_process.launcher_entry.path_info + urlfile)
                     .attr('target', '_blank')
                     .text(server_process.launcher_entry.title);
 

jupyterlab-server-proxy/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@jupyterlab/server-proxy",
-  "version": "3.0.2",
+  "version": "3.1.0",
   "description": "Jupyter server extension to supervise and proxy web services",
   "keywords": [
     "jupyter",

jupyterlab-server-proxy/src/index.ts

@@ -79,8 +79,11 @@ async function activate(app: JupyterFrontEnd, launcher: ILauncher, restorer: ILa
     if (!server_process.launcher_entry.enabled) {
       continue;
     }
-
-    const url = PageConfig.getBaseUrl() + server_process.name + '/';
+    var urlfile = '';
+    if (server_process.launcher_entry.urlfile) {
+       urlfile =  server_process.launcher_entry.urlfile;
+    }
+    const url = PageConfig.getBaseUrl() + server_process.name + '/' + urlfile;
     const title = server_process.launcher_entry.title;
     const newBrowserTab = server_process.new_browser_tab;
     const id = namespace + ':' + server_process.name;