Wait to be sure about the scheme before construct the bus URL

issue7792
review54401002

CHANGELOG

@@ -1,3 +1,4 @@
+* Ensure URL scheme of bus (issue7792)
 * Add drag & drop support on binary widget
 
 Version 5.0.0 - 2018-10-01

tryton/bus.py

@@ -34,7 +34,6 @@ def listen(connection):
 def _listen(connection):
     bus_timeout = CONFIG['client.bus_timeout']
     session = connection.session
-    url = connection.url + '/bus'
     authorization = base64.b64encode(session.encode('utf-8'))
     headers = {
         'Content-Type': 'application/json',
@@ -43,7 +42,13 @@ def _listen(connection):
 
     wait = 1
     last_message = None
+    url = None
     while connection.session == session:
+        if url is None:
+            if connection.url is None:
+                time.sleep(1)
+                continue
+            url = connection.url + '/bus'
         request = Request(url,
             data=json.dumps({
                     'last_message': last_message,

tryton/jsonrpc.py

@@ -340,10 +340,12 @@ class ServerPool(object):
     def ssl(self):
         for conn in self._pool + list(self._used.values()):
             return conn.ssl
-        return False
+        return None
 
     @property
     def url(self):
+        if self.ssl is None:
+            return None
         scheme = 'https' if self.ssl else 'http'
         return urljoin(
             scheme + '://' + self._host + ':' + str(self._port),