From 28c5181dfebbce99a4981584a5761285522ed29b Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Mon, 14 Dec 2015 14:50:51 +0000 Subject: [PATCH 1/3] Add commentary for fix in PR#442 --- synapse/rest/client/v2_alpha/sync.py | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py index 3f8ce701d..adf77e13b 100644 --- a/synapse/rest/client/v2_alpha/sync.py +++ b/synapse/rest/client/v2_alpha/sync.py @@ -356,6 +356,12 @@ class SyncRestServlet(RestServlet): prev_content = timeline_event.unsigned.get('prev_content') prev_sender = timeline_event.unsigned.get('prev_sender') + # Empircally it seems possible for the event to have a + # "replaces_state" key but not a prev_content or prev_sender + # markjh conjectures that it could be due to the server not + # having a copy of that event. + # If this is the case the we ignore the previous event. This will + # cause the displayname calculations on the client to be incorrect if prev_event_id is None or not prev_content or not prev_sender: del result[event_key] else: From 2acae8300fa272caeb774f24d19b80632eca7ae3 Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Mon, 14 Dec 2015 15:19:37 +0000 Subject: [PATCH 2/3] Fix logging to lie less --- synapse/rest/client/v2_alpha/sync.py | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py index adf77e13b..b16831246 100644 --- a/synapse/rest/client/v2_alpha/sync.py +++ b/synapse/rest/client/v2_alpha/sync.py @@ -351,8 +351,6 @@ class SyncRestServlet(RestServlet): continue prev_event_id = timeline_event.unsigned.get("replaces_state", None) - logger.debug("Replacing %s with %s in state dict", - timeline_event.event_id, prev_event_id) prev_content = timeline_event.unsigned.get('prev_content') prev_sender = timeline_event.unsigned.get('prev_sender') @@ -363,8 +361,17 @@ class SyncRestServlet(RestServlet): # If this is the case the we ignore the previous event. This will # cause the displayname calculations on the client to be incorrect if prev_event_id is None or not prev_content or not prev_sender: + logger.debug( + "Removing %r from the state dict, as it is missing " + " prev_content (prev_event_id=%r)", + timeline_event.event_id, prev_event_id + ) del result[event_key] else: + logger.debug( + "Replacing %r with %r in state dict", + timeline_event.event_id, prev_event_id + ) result[event_key] = FrozenEvent({ "type": timeline_event.type, "state_key": timeline_event.state_key, From 3ddf0b97223fe1f5818251256332c8bad6909020 Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Mon, 14 Dec 2015 15:20:59 +0000 Subject: [PATCH 3/3] Fix spacing --- synapse/rest/client/v2_alpha/sync.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py index b16831246..73b44e92e 100644 --- a/synapse/rest/client/v2_alpha/sync.py +++ b/synapse/rest/client/v2_alpha/sync.py @@ -362,7 +362,7 @@ class SyncRestServlet(RestServlet): # cause the displayname calculations on the client to be incorrect if prev_event_id is None or not prev_content or not prev_sender: logger.debug( - "Removing %r from the state dict, as it is missing " + "Removing %r from the state dict, as it is missing" " prev_content (prev_event_id=%r)", timeline_event.event_id, prev_event_id )