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Support older versions of tornado #82

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merged 4 commits into from
Aug 20, 2021
Merged

Support older versions of tornado #82

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42c5ebe
polyfill is_closing for older versions of tornado
dheera Aug 15, 2021
3b39da2
rm trycatch unnecessary
dheera Aug 15, 2021
1b2e677
add system stats subscriber
dheera Aug 16, 2021
b241ba2
change OdometryViewer->GeometryViewer
dheera Aug 16, 2021
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rm trycatch unnecessary
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@dheera
dheera committed Aug 15, 2021
commit 3b39da242fe96da0a1e04a32a66043bf6ce11dee
11 changes: 4 additions & 7 deletions rosboard/handlers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,13 +36,10 @@ def open(self):

# polyfill of is_closing() method for older versions of tornado
if not hasattr(self.ws_connection, "is_closing"):
try:
self.ws_connection.is_closing = types.MethodType(
lambda self_: self_.stream.closed() or self_.client_terminated or self_.server_terminated,
self.ws_connection
)
except:
traceback.print_exc()
self.ws_connection.is_closing = types.MethodType(
lambda self_: self_.stream.closed() or self_.client_terminated or self_.server_terminated,
self.ws_connection
)

self.update_intervals_by_topic = {} # this socket's throttle rate on each topic
self.last_data_times_by_topic = {} # last time this socket received data on each topic
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