use proxied couchdb except in Panel

Author: pepijndevos

pyttoresque/app/__init__.py

@@ -8,8 +8,6 @@
 from jupyter_server.extension.application import ExtensionApp, ExtensionAppJinjaMixin
 from tornado.web import addslash
 from traitlets import Bool
-from subprocess import Popen
-from shutil import which
 
 HERE = os.path.dirname(__file__)
 
@@ -56,10 +54,6 @@ def initialize_handlers(self):
 
         super().initialize_handlers()
 
-        binpath = which('couchdb')
-        if binpath and self.couchdb:
-            Popen([binpath, '-couch_ini', os.path.join(HERE, "static", "local.ini")])
-
 
 def main():
     Mosaic.launch_instance()

pyttoresque/app/main.py

@@ -4,6 +4,7 @@
 
 import re
 import traceback
+import urllib.parse as ulp
 import panel as pn
 import holoviews as hv
 import numpy as np
@@ -42,6 +43,15 @@ def __init__(self, **params):
     async def _update_spice(self, *events):
         try:
             url = self.database_url
+            # if we have a localhost couchdb proxied through Jupyter
+            # actually use localhost because Jupyter is authenticated
+            purl = ulp.urlparse(url)
+            if purl.hostname == "localhost" and purl.path.startswith("/couchdb"):
+                netloc = f"{purl.username}:{purl.password}@localhost:5984"
+                path = purl.path[8:]
+                url = purl._replace(path=path, netloc=netloc).geturl()
+                self.database_url = url
+
             name = self.schematic
             async with netlist.SchematicService(url) as service:
                 it = service.live_schem_docs(name)

pyttoresque/app/templates/editor.html

@@ -30,7 +30,10 @@
   <div id="mosaic_editor"></div>
   <script>
     {% if couchdb %}
-    window.dburl = "http://admin:admin@localhost:5984"
+    var url = new URL("/couchdb/", window.location)
+    url.username = "admin"
+    url.password = "admin"
+    window.dburl = url.href
     {% endif %}
     window.notebookurl = "../../lab"
     window.simulatorurl = "../../panel/app"

pyttoresque/app/templates/libman.html

@@ -30,7 +30,10 @@
   <div id="mosaic_libman"></div>
   <script>
     {% if couchdb %}
-    window.dburl = "http://admin:admin@localhost:5984"
+    var url = new URL("/couchdb/", window.location)
+    url.username = "admin"
+    url.password = "admin"
+    window.dburl = url.href
     {% endif %}
   </script>
   <script src="{{ static_url('common.js') }}"></script>

setup.py

@@ -56,7 +56,7 @@
         ],
         'jupyter_serverproxy_servers': [
             # name = packagename:function_name
-            # 'couchdb = pyttoresque.app:setup_couchdb',
+            'couchdb = pyttoresque.app:setup_couchdb',
             'panel = pyttoresque.app:setup_panel',
         ]
     },