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fix NPE in /messages by checking if all events were filtered out (#4330)

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This commit is contained in:
Matthew Hodgson 2019-01-02 23:37:39 +00:00 committed by Richard van der Hoff
parent 37f8bdc1d5
commit 27128145e6
2 changed files with 12 additions and 10 deletions
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1
changelog.d/4330.bugfix Normal file
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@ -0,0 +1 @@
fix NPE in /messages by checking if all events were filtered out

15
synapse/handlers/pagination.py
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@ -235,13 +235,7 @@ class PaginationHandler(object):
"room_key", next_key
)
if not events:
defer.returnValue({
"chunk": [],
"start": pagin_config.from_token.to_string(),
"end": next_token.to_string(),
})
if events:
if event_filter:
events = event_filter.filter(events)
@ -252,6 +246,13 @@ class PaginationHandler(object):
is_peeking=(member_event_id is None),
)
if not events:
defer.returnValue({
"chunk": [],
"start": pagin_config.from_token.to_string(),
"end": next_token.to_string(),
})
state = None
if event_filter and event_filter.lazy_load_members():
# TODO: remove redundant members