3 files changed, 14 insertions(+), 4 deletions(-)

M gtk_switcher/atemwindow.py
M gtk_switcher/connectionwindow.py
M pyatem/transport.py

@@ 51,7 51,7 @@ class AtemConnection(threading.Thread):
             try:
                 self.mixer.loop()
             except Exception as e:
-                traceback.print_stack()
+                traceback.print_exc()
                 print("EXCEPTION", repr(e))
 
     def do_callback(self, *args, **kwargs):

@@ 100,9 100,17 @@ class Handler:
                 address = part.hostname
                 if part.port:
                     address += ':' + str(part.port)
-                self.ipaddress.set_text(part.hostname)
-                self.username.set_text(part.username)
-                self.password.set_text(part.password)
+                self.ipaddress.set_text(address)
+
+                if part.username is None:
+                    self.username.set_text("")
+                else:
+                    self.username.set_text(part.username)
+
+                if part.password is None:
+                    self.password.set_text("")
+                else:
+                    self.password.set_text(part.password)
                 self.device.set_text(part.path[1:])
 
                 self.connection_tcp.set_active(True)

@@ 416,6 416,8 @@ class TcpProtocol:
         self._send_packet(self.list_to_packets([(b'*SW*', b'')]))
 
     def send_auth(self):
+        if self.username is None or self.password is None:
+            raise ValueError("Proxy requests AUTH but username or password is not set")
         self._send_packet(self.list_to_packets([
             (b'*USR', self.username.encode()),
             (b'*PWD', self.password.encode()),