custom device name for fake udp

secop.py

@@ -19,7 +19,7 @@ class EnumConvert(dict):
 class SecopStream(Stream):
     ping_time = 0
 
-    def init(self):
+    def init(self, device=None, **kwds):
         self._buffer = []
         self.send('*IDN?')
         resend = True
@@ -41,7 +41,7 @@ class SecopStream(Stream):
         else:
             raise ValueError('missing describing message')
         self.descr = json.loads(match.group(1))
-        self.device = self.descr['equipment_id']
+        self.device = device or self.descr['equipment_id']
         if self.device.endswith('psi.ch'):
             self.device[-6:] = []
         self.tags['device'] = self.device
@@ -110,13 +110,18 @@ class UdpStream(Base):
             except socket.error:  # pragma: no cover
                 return None
             msg = json.loads(msg.decode('utf-8'))
-            if msg['SECoP'] == 'for_other_node':
-                uri = msg['uri']
-            elif msg['SECoP'] == 'node':
+            kind = msg.pop('SECoP', None)
+            if not kind:
+                continue
+            if kind == 'for_other_node':
+                uri = msg.pop('uri')
+                kwargs = msg
+            elif kind == 'node':
                 uri = f"{addr[0]}:{msg['port']}"
+                kwargs = {'name': msg['equipment_id']}
             else:
                 continue
-            yield SecopStream, uri, msg['equipment_id']
+            yield SecopStream, uri, kwargs
 
 
 class ScanReply(UdpStream):