f259ff17d5
* Type hint additions * Remove optional from sidebar_icon comment Co-Authored-By: Franck Nijhof <frenck@frenck.nl> * Remove optional from sidebar_title comment Co-Authored-By: Franck Nijhof <frenck@frenck.nl> * Fix issues after rebase and mypy 0.730
58 lines
1.5 KiB
Python
58 lines
1.5 KiB
Python
"""Entity to track connections to websocket API."""
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from homeassistant.core import callback
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from homeassistant.helpers.entity import Entity
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from .const import (
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SIGNAL_WEBSOCKET_CONNECTED,
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SIGNAL_WEBSOCKET_DISCONNECTED,
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DATA_CONNECTIONS,
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)
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# mypy: allow-untyped-calls, allow-untyped-defs
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up the API streams platform."""
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entity = APICount()
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async_add_entities([entity])
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class APICount(Entity):
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"""Entity to represent how many people are connected to the stream API."""
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def __init__(self):
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"""Initialize the API count."""
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self.count = None
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async def async_added_to_hass(self):
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"""Added to hass."""
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self.hass.helpers.dispatcher.async_dispatcher_connect(
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SIGNAL_WEBSOCKET_CONNECTED, self._update_count
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)
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self.hass.helpers.dispatcher.async_dispatcher_connect(
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SIGNAL_WEBSOCKET_DISCONNECTED, self._update_count
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)
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self._update_count()
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@property
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def name(self):
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"""Return name of entity."""
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return "Connected clients"
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@property
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def state(self):
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"""Return current API count."""
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return self.count
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement."""
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return "clients"
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@callback
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def _update_count(self):
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self.count = self.hass.data.get(DATA_CONNECTIONS, 0)
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self.async_schedule_update_ha_state()
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