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Add warning for slow platforms/components (#6467)

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* Add warning for slow platforms/components

* Add test for slow component setup.

* Add test for slow platform setup

* Fix tests on Py34
This commit is contained in:
Paulus Schoutsen 2017-03-07 20:31:57 -08:00 • committed by GitHub
parent 629b2e81ba
commit bb4f23f8e7
4 changed files with 67 additions and 4 deletions
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10
homeassistant/helpers/entity_component.py
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@ -18,6 +18,7 @@ from homeassistant.util.async import (
run_callback_threadsafe, run_coroutine_threadsafe)
DEFAULT_SCAN_INTERVAL = timedelta(seconds=15)
SLOW_SETUP_WARNING = 10
class EntityComponent(object):
@ -134,8 +135,13 @@ class EntityComponent(object):
self, platform_type, scan_interval, entity_namespace)
entity_platform = self._platforms[key]
self.logger.info("Setting up %s.%s", self.domain, platform_type)
warn_task = self.hass.loop.call_later(
SLOW_SETUP_WARNING, self.logger.warning,
'Setup of platform %s is taking over %s seconds.', platform_type,
SLOW_SETUP_WARNING)
try:
self.logger.info("Setting up %s.%s", self.domain, platform_type)
if getattr(platform, 'async_setup_platform', None):
yield from platform.async_setup_platform(
self.hass, platform_config,
@ -154,6 +160,8 @@ class EntityComponent(object):
except Exception: # pylint: disable=broad-except
self.logger.exception(
'Error while setting up platform %s', platform_type)
finally:
warn_task.cancel()
def add_entity(self, entity, platform=None, update_before_add=False):
"""Add entity to component."""