log-to-scs: remove stream management nonzas by default

utils/log-to-scs.py

@@ -48,6 +48,14 @@
 )
 
 
+SM_TAGS = [
+    "{urn:xmpp:sm:3}a",
+    "{urn:xmpp:sm:3}r",
+    "{urn:xmpp:sm:3}enable",
+    "{urn:xmpp:sm:3}enabled"
+]
+
+
 def _parse_stream_bytes(b):
     FOOTER = b"</stream:stream>"
     b = ast.literal_eval(b)
@@ -124,6 +132,19 @@ def xmllines(tree):
     return [line for line in lines if line.strip()]
 
 
+def filter_sm(actions):
+    for action in actions:
+        xml = action.get("sent", action.get("recv"))
+        if xml is None:
+            yield action
+            continue
+
+        if xml["xml"].tag in SM_TAGS:
+            continue
+
+        yield action
+
+
 def filter_sessions(actions):
     ids_to_drop = set()
     for action in actions:
@@ -274,6 +295,13 @@ def bind_client(client_id, jid):
         default=[],
         const=filter_serverdisco,
     )
+    parser.add_argument(
+        "--no-strip-stream-management",
+        action="append_const",
+        dest="remove_filters",
+        default=[],
+        const=filter_sm,
+    )
     parser.add_argument(
         "--no-strip-sessions",
         action="append_const",
@@ -304,7 +332,7 @@ def bind_client(client_id, jid):
 
     args = parser.parse_args()
 
-    filters = [filter_sessions]
+    filters = [filter_sm, filter_sessions]
     for to_add in args.add_filters:
         filters.append(to_add)
     for to_remove in args.remove_filters: