python-kasa/pyHS100/smartbulb.py
2019-11-11 19:16:55 +01:00

285 lines
9.0 KiB
Python

from pyHS100 import DeviceType, SmartDevice, SmartDeviceException
from .protocol import TPLinkSmartHomeProtocol
import re
from typing import Any, Dict, Tuple
TPLINK_KELVIN = {
"LB130": (2500, 9000),
"LB120": (2700, 6500),
"LB230": (2500, 9000),
"KB130": (2500, 9000),
"KL130": (2500, 9000),
"KL120\(EU\)": (2700, 6500),
"KL120\(US\)": (2700, 5000),
}
class SmartBulb(SmartDevice):
"""Representation of a TP-Link Smart Bulb.
Usage example when used as library:
p = SmartBulb("192.168.1.105")
# print the devices alias
print(p.alias)
# change state of bulb
p.turn_on()
p.turn_off()
# query and print current state of plug
print(p.state)
# check whether the bulb supports color changes
if p.is_color:
# set the color to an HSV tuple
p.set_hsv(180, 100, 100)
# get the current HSV value
print(p.hsv)
# check whether the bulb supports setting color temperature
if p.is_variable_color_temp:
# set the color temperature in Kelvin
p.set_color_temp(3000)
# get the current color temperature
print(p.color_temp)
# check whether the bulb is dimmable
if p.is_dimmable:
# set the bulb to 50% brightness
p.set_brightness(50)
# check the current brightness
print(p.brightness)
Errors reported by the device are raised as SmartDeviceExceptions,
and should be handled by the user of the library.
"""
LIGHT_SERVICE = "smartlife.iot.smartbulb.lightingservice"
def __init__(
self,
host: str,
protocol: TPLinkSmartHomeProtocol = None,
context: str = None,
cache_ttl: int = 3,
*,
ioloop=None,
) -> None:
SmartDevice.__init__(
self,
host=host,
protocol=protocol,
context=context,
cache_ttl=cache_ttl,
ioloop=ioloop,
)
self.emeter_type = "smartlife.iot.common.emeter"
self._device_type = DeviceType.Bulb
async def is_color(self) -> bool:
"""Whether the bulb supports color changes.
:return: True if the bulb supports color changes, False otherwise
:rtype: bool
"""
sys_info = await self.get_sys_info()
return bool(sys_info["is_color"])
async def is_dimmable(self) -> bool:
"""Whether the bulb supports brightness changes.
:return: True if the bulb supports brightness changes, False otherwise
:rtype: bool
"""
sys_info = await self.get_sys_info()
return bool(sys_info["is_dimmable"])
async def is_variable_color_temp(self) -> bool:
"""Whether the bulb supports color temperature changes.
:return: True if the bulb supports color temperature changes, False
otherwise
:rtype: bool
"""
sys_info = await self.get_sys_info()
return bool(sys_info["is_variable_color_temp"])
async def get_valid_temperature_range(self) -> Tuple[int, int]:
"""Return the device-specific white temperature range (in Kelvin).
:return: White temperature range in Kelvin (minimun, maximum)
:rtype: tuple
"""
if not await self.is_variable_color_temp():
return (0, 0)
for model, temp_range in TPLINK_KELVIN.items():
sys_info = await self.get_sys_info()
if re.match(model, sys_info["model"]):
return temp_range
return (0, 0)
async def get_light_state(self) -> Dict:
"""Query the light state."""
return await self._query_helper(self.LIGHT_SERVICE, "get_light_state")
async def set_light_state(self, state: Dict) -> Dict:
"""Set the light state."""
return await self._query_helper(
self.LIGHT_SERVICE, "transition_light_state", state
)
async def get_hsv(self) -> Tuple[int, int, int]:
"""Return the current HSV state of the bulb.
:return: hue, saturation and value (degrees, %, %)
:rtype: tuple
"""
if not await self.is_color():
raise SmartDeviceException("Bulb does not support color.")
light_state = await self.get_light_state()
if not await self.is_on():
hue = light_state["dft_on_state"]["hue"]
saturation = light_state["dft_on_state"]["saturation"]
value = light_state["dft_on_state"]["brightness"]
else:
hue = light_state["hue"]
saturation = light_state["saturation"]
value = light_state["brightness"]
return hue, saturation, value
def _raise_for_invalid_brightness(self, value):
if not isinstance(value, int) or not (0 <= value <= 100):
raise ValueError(
"Invalid brightness value: {} " "(valid range: 0-100%)".format(value)
)
async def set_hsv(self, hue: int, saturation: int, value: int):
"""Set new HSV.
:param tuple state: hue, saturation and value (degrees, %, %)
"""
if not await self.is_color():
raise SmartDeviceException("Bulb does not support color.")
if not isinstance(hue, int) or not (0 <= hue <= 360):
raise ValueError(
"Invalid hue value: {} " "(valid range: 0-360)".format(hue)
)
if not isinstance(saturation, int) or not (0 <= saturation <= 100):
raise ValueError(
"Invalid saturation value: {} "
"(valid range: 0-100%)".format(saturation)
)
self._raise_for_invalid_brightness(value)
light_state = {
"hue": hue,
"saturation": saturation,
"brightness": value,
"color_temp": 0,
}
await self.set_light_state(light_state)
async def get_color_temp(self) -> int:
"""Return color temperature of the device.
:return: Color temperature in Kelvin
:rtype: int
"""
if not await self.is_variable_color_temp():
raise SmartDeviceException("Bulb does not support colortemp.")
light_state = await self.get_light_state()
if not await self.is_on():
return int(light_state["dft_on_state"]["color_temp"])
else:
return int(light_state["color_temp"])
async def set_color_temp(self, temp: int) -> None:
"""Set the color temperature of the device.
:param int temp: The new color temperature, in Kelvin
"""
if not await self.is_variable_color_temp():
raise SmartDeviceException("Bulb does not support colortemp.")
valid_temperature_range = await self.get_valid_temperature_range()
if temp < valid_temperature_range[0] or temp > valid_temperature_range[1]:
raise ValueError(
"Temperature should be between {} "
"and {}".format(*valid_temperature_range)
)
light_state = {"color_temp": temp}
await self.set_light_state(light_state)
async def get_brightness(self) -> int:
"""Current brightness of the device.
:return: brightness in percent
:rtype: int
"""
if not await self.is_dimmable(): # pragma: no cover
raise SmartDeviceException("Bulb is not dimmable.")
light_state = await self.get_light_state()
if not await self.is_on():
return int(light_state["dft_on_state"]["brightness"])
else:
return int(light_state["brightness"])
async def set_brightness(self, brightness: int) -> None:
"""Set the current brightness of the device.
:param int brightness: brightness in percent
"""
if not await self.is_dimmable(): # pragma: no cover
raise SmartDeviceException("Bulb is not dimmable.")
self._raise_for_invalid_brightness(brightness)
light_state = {"brightness": brightness}
await self.set_light_state(light_state)
async def get_state_information(self) -> Dict[str, Any]:
"""Return bulb-specific state information.
:return: Bulb information dict, keys in user-presentable form.
:rtype: dict
"""
info = {
"Brightness": await self.get_brightness(),
"Is dimmable": await self.is_dimmable(),
} # type: Dict[str, Any]
if await self.is_variable_color_temp():
info["Color temperature"] = await self.get_color_temp()
info["Valid temperature range"] = await self.get_valid_temperature_range()
if await self.is_color():
info["HSV"] = await self.get_hsv()
return info
async def is_on(self) -> bool:
"""Return whether the device is on."""
light_state = await self.get_light_state()
return bool(light_state["on_off"])
async def turn_off(self) -> None:
"""Turn the bulb off."""
await self.set_light_state({"on_off": 0})
async def turn_on(self) -> None:
"""Turn the bulb on."""
await self.set_light_state({"on_off": 1})
async def get_has_emeter(self) -> bool:
return True