mirror of https://github.com/home-assistant/core
MCP23017 (#23127)
* Added support for MCP23017 I2C GPIO extender. * Updated .coveragerc to exclude mcp23017 component from tests. * Generated CODEOWNERS for mcp23017 usign script. * Removed .svn folder that had been accidentally uploaded. * Added link to www.home-assistant.io docs in manifest.json * Fixed logic error in switch platform. * Cleaned up code and removed unnecessary should_poll() function. * Limited the options for pull mode to UP and DOWN * Fixed line too long in binary sensor. * Fixed line too long on switch.py * Changed to setup_platform. * Reorder constants
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bad9ac5395
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1d022522cd
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@ -343,6 +343,7 @@ omit =
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homeassistant/components/mastodon/notify.py
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homeassistant/components/matrix/*
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homeassistant/components/maxcube/*
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homeassistant/components/mcp23017/*
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homeassistant/components/media_extractor/*
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homeassistant/components/mediaroom/media_player.py
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homeassistant/components/message_bird/notify.py
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@ -143,6 +143,7 @@ homeassistant/components/luci/* @fbradyirl
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homeassistant/components/luftdaten/* @fabaff
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homeassistant/components/mastodon/* @fabaff
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homeassistant/components/matrix/* @tinloaf
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homeassistant/components/mcp23017/* @jardiamj
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homeassistant/components/mediaroom/* @dgomes
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homeassistant/components/melissa/* @kennedyshead
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homeassistant/components/met/* @danielhiversen
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@ -0,0 +1,3 @@
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"""Support for I2C MCP23017 chip."""
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DOMAIN = 'mcp23017'
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@ -0,0 +1,89 @@
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"""Support for binary sensor using I2C MCP23017 chip."""
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import logging
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import voluptuous as vol
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from homeassistant.components.binary_sensor import (
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BinarySensorDevice, PLATFORM_SCHEMA)
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from homeassistant.const import DEVICE_DEFAULT_NAME
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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CONF_INVERT_LOGIC = 'invert_logic'
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CONF_I2C_ADDRESS = 'i2c_address'
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CONF_PINS = 'pins'
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CONF_PULL_MODE = 'pull_mode'
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MODE_UP = 'UP'
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MODE_DOWN = 'DOWN'
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DEFAULT_INVERT_LOGIC = False
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DEFAULT_I2C_ADDRESS = 0x20
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DEFAULT_PULL_MODE = MODE_UP
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_SENSORS_SCHEMA = vol.Schema({
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cv.positive_int: cv.string,
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})
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_PINS): _SENSORS_SCHEMA,
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vol.Optional(CONF_INVERT_LOGIC, default=DEFAULT_INVERT_LOGIC): cv.boolean,
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vol.Optional(CONF_PULL_MODE, default=DEFAULT_PULL_MODE):
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vol.All(vol.Upper, vol.In([MODE_UP, MODE_DOWN])),
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vol.Optional(CONF_I2C_ADDRESS, default=DEFAULT_I2C_ADDRESS):
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vol.Coerce(int),
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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the MCP23017 binary sensors."""
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import board
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import busio
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import adafruit_mcp230xx
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pull_mode = config[CONF_PULL_MODE]
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invert_logic = config[CONF_INVERT_LOGIC]
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i2c_address = config[CONF_I2C_ADDRESS]
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i2c = busio.I2C(board.SCL, board.SDA)
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mcp = adafruit_mcp230xx.MCP23017(i2c, address=i2c_address)
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binary_sensors = []
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pins = config[CONF_PINS]
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for pin_num, pin_name in pins.items():
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pin = mcp.get_pin(pin_num)
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binary_sensors.append(MCP23017BinarySensor(
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pin_name, pin, pull_mode, invert_logic))
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add_devices(binary_sensors, True)
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class MCP23017BinarySensor(BinarySensorDevice):
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"""Represent a binary sensor that uses MCP23017."""
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def __init__(self, name, pin, pull_mode, invert_logic):
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"""Initialize the MCP23017 binary sensor."""
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import digitalio
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self._name = name or DEVICE_DEFAULT_NAME
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self._pin = pin
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self._pull_mode = pull_mode
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self._invert_logic = invert_logic
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self._state = None
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self._pin.direction = digitalio.Direction.INPUT
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self._pin.pull = digitalio.Pull.UP
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def is_on(self):
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"""Return the state of the entity."""
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return self._state != self._invert_logic
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def update(self):
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"""Update the GPIO state."""
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self._state = self._pin.value
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@ -0,0 +1,12 @@
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{
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"domain": "mcp23017",
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"name": "MCP23017 I/O Expander",
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"documentation": "https://www.home-assistant.io/components/mcp23017",
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"requirements": [
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"RPi.GPIO==0.6.5",
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"adafruit-blinka==1.2.1",
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"adafruit-circuitpython-mcp230xx==1.1.2"
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],
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"dependencies": [],
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"codeowners": ["@jardiamj"]
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}
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@ -0,0 +1,92 @@
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"""Support for switch sensor using I2C MCP23017 chip."""
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import logging
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import voluptuous as vol
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from homeassistant.components.switch import PLATFORM_SCHEMA
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from homeassistant.const import DEVICE_DEFAULT_NAME
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from homeassistant.helpers.entity import ToggleEntity
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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CONF_INVERT_LOGIC = 'invert_logic'
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CONF_I2C_ADDRESS = 'i2c_address'
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CONF_PINS = 'pins'
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CONF_PULL_MODE = 'pull_mode'
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DEFAULT_INVERT_LOGIC = False
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DEFAULT_I2C_ADDRESS = 0x20
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_SWITCHES_SCHEMA = vol.Schema({
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cv.positive_int: cv.string,
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})
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_PINS): _SWITCHES_SCHEMA,
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vol.Optional(CONF_INVERT_LOGIC, default=DEFAULT_INVERT_LOGIC): cv.boolean,
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vol.Optional(CONF_I2C_ADDRESS, default=DEFAULT_I2C_ADDRESS):
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vol.Coerce(int),
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})
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the MCP23017 devices."""
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import board
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import busio
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import adafruit_mcp230xx
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invert_logic = config.get(CONF_INVERT_LOGIC)
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i2c_address = config.get(CONF_I2C_ADDRESS)
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i2c = busio.I2C(board.SCL, board.SDA)
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mcp = adafruit_mcp230xx.MCP23017(i2c, address=i2c_address)
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switches = []
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pins = config.get(CONF_PINS)
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for pin_num, pin_name in pins.items():
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pin = mcp.get_pin(pin_num)
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switches.append(MCP23017Switch(pin_name, pin, invert_logic))
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add_entities(switches)
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class MCP23017Switch(ToggleEntity):
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"""Representation of a MCP23017 output pin."""
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def __init__(self, name, pin, invert_logic):
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"""Initialize the pin."""
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import digitalio
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self._name = name or DEVICE_DEFAULT_NAME
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self._pin = pin
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self._invert_logic = invert_logic
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self._state = False
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self._pin.direction = digitalio.Direction.OUTPUT
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self._pin.value = self._invert_logic
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@property
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def name(self):
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"""Return the name of the switch."""
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return self._name
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@property
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def should_poll(self):
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"""No polling needed."""
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return False
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@property
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def is_on(self):
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"""Return true if device is on."""
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return self._state
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def turn_on(self, **kwargs):
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"""Turn the device on."""
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self._pin.value = not self._invert_logic
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self._state = True
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self.schedule_update_ha_state()
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def turn_off(self, **kwargs):
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"""Turn the device off."""
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self._pin.value = self._invert_logic
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self._state = False
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self.schedule_update_ha_state()
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@ -75,6 +75,7 @@ PyTransportNSW==0.1.1
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# homeassistant.components.xiaomi_aqara
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PyXiaomiGateway==0.12.3
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# homeassistant.components.mcp23017
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# homeassistant.components.rpi_gpio
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# RPi.GPIO==0.6.5
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@ -99,6 +100,12 @@ YesssSMS==0.2.3
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# homeassistant.components.abode
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abodepy==0.15.0
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# homeassistant.components.mcp23017
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adafruit-blinka==1.2.1
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# homeassistant.components.mcp23017
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adafruit-circuitpython-mcp230xx==1.1.2
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# homeassistant.components.frontier_silicon
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afsapi==0.0.4
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