allow additional args to be passed to bgp output parser

inventory_provider/juniper.py

@@ -102,10 +102,16 @@ def shell_commands():
         "parser": lambda _: None
     }
 
+    def _parse_bgp_output(txt, **args):
+        if txt:
+            return list(neighbors(_loads(txt), **args))
+        else:
+            return {}
+
     yield {
         "command": 'show configuration routing-instances IAS protocols bgp | display json',
         "key": "bgp",
-        "parser": lambda txt: list(neighbors(_loads(txt))) if txt else {}
+        "parser": _parse_bgp_output
     }
 
     yield {