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Marginally more thread-safe monitoring

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This way, calling `poll` before `monitor_start` finishes won't crash.
This commit is contained in:
Adrian Sampson 2019-02-24 16:39:09 -05:00
parent 0b14dd5832
commit 8615be9722
1 changed files with 7 additions and 2 deletions
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9
wideq.py
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@ -953,8 +953,9 @@ class ACDevice(Device):
def monitor_start(self): def monitor_start(self):
"""Start monitoring the device's status.""" """Start monitoring the device's status."""
self.mon = Monitor(self.client.session, self.device.id) mon = Monitor(self.client.session, self.device.id)
self.mon.start() mon.start()
self.mon = mon
def monitor_stop(self): def monitor_stop(self):
"""Stop monitoring the device's status.""" """Stop monitoring the device's status."""
@ -969,6 +970,10 @@ class ACDevice(Device):
available. available.
""" """
# Abort if monitoring has not started yet.
if not hasattr(self, 'mon'):
return None
res = self.mon.poll_json() res = self.mon.poll_json()
if res: if res:
return ACStatus(self, res) return ACStatus(self, res)