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https://github.com/mjg59/python-broadlink.git
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12fdf01631
* Improve typing * Use better names * Clean up switch.py * Remove unused import * Run black * Remove unnecessary comments * Clean up climate.py
221 lines
8.1 KiB
Python
221 lines
8.1 KiB
Python
"""Support for climate control."""
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import typing as t
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from . import exceptions as e
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from .device import Device
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from .helpers import CRC16
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class hysen(Device):
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"""Controls a Hysen HVAC."""
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TYPE = "Hysen heating controller"
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def send_request(self, request: t.Sequence[int]) -> bytes:
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"""Send a request to the device."""
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packet = bytearray()
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packet.extend((len(request) + 2).to_bytes(2, "little"))
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packet.extend(request)
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packet.extend(CRC16.calculate(request).to_bytes(2, "little"))
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response = self.send_packet(0x6A, packet)
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e.check_error(response[0x22:0x24])
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payload = self.decrypt(response[0x38:])
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p_len = int.from_bytes(payload[:0x02], "little")
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if p_len + 2 > len(payload):
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raise ValueError(
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"hysen_response_error", "first byte of response is not length"
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)
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nom_crc = int.from_bytes(payload[p_len : p_len + 2], "little")
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real_crc = CRC16.calculate(payload[0x02:p_len])
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if nom_crc != real_crc:
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raise ValueError("hysen_response_error", "CRC check on response failed")
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return payload[0x02:p_len]
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def get_temp(self) -> float:
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"""Return the room temperature in degrees celsius."""
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payload = self.send_request([0x01, 0x03, 0x00, 0x00, 0x00, 0x08])
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return payload[0x05] / 2.0
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def get_external_temp(self) -> float:
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"""Return the external temperature in degrees celsius."""
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payload = self.send_request([0x01, 0x03, 0x00, 0x00, 0x00, 0x08])
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return payload[18] / 2.0
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def get_full_status(self) -> dict:
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"""Return the state of the device.
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Timer schedule included.
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"""
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payload = self.send_request([0x01, 0x03, 0x00, 0x00, 0x00, 0x16])
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data = {}
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data["remote_lock"] = payload[3] & 1
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data["power"] = payload[4] & 1
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data["active"] = (payload[4] >> 4) & 1
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data["temp_manual"] = (payload[4] >> 6) & 1
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data["room_temp"] = payload[5] / 2.0
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data["thermostat_temp"] = payload[6] / 2.0
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data["auto_mode"] = payload[7] & 0xF
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data["loop_mode"] = payload[7] >> 4
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data["sensor"] = payload[8]
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data["osv"] = payload[9]
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data["dif"] = payload[10]
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data["svh"] = payload[11]
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data["svl"] = payload[12]
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data["room_temp_adj"] = (
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int.from_bytes(payload[13:15], "big", signed=True) / 10.0
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)
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data["fre"] = payload[15]
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data["poweron"] = payload[16]
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data["unknown"] = payload[17]
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data["external_temp"] = payload[18] / 2.0
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data["hour"] = payload[19]
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data["min"] = payload[20]
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data["sec"] = payload[21]
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data["dayofweek"] = payload[22]
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weekday = []
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for i in range(0, 6):
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weekday.append(
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{
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"start_hour": payload[2 * i + 23],
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"start_minute": payload[2 * i + 24],
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"temp": payload[i + 39] / 2.0,
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}
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)
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data["weekday"] = weekday
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weekend = []
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for i in range(6, 8):
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weekend.append(
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{
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"start_hour": payload[2 * i + 23],
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"start_minute": payload[2 * i + 24],
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"temp": payload[i + 39] / 2.0,
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}
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)
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data["weekend"] = weekend
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return data
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# Change controller mode
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# auto_mode = 1 for auto (scheduled/timed) mode, 0 for manual mode.
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# Manual mode will activate last used temperature.
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# In typical usage call set_temp to activate manual control and set temp.
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# loop_mode refers to index in [ "12345,67", "123456,7", "1234567" ]
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# E.g. loop_mode = 0 ("12345,67") means Saturday and Sunday follow the "weekend" schedule
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# loop_mode = 2 ("1234567") means every day (including Saturday and Sunday) follows the "weekday" schedule
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# The sensor command is currently experimental
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def set_mode(self, auto_mode: int, loop_mode: int, sensor: int = 0) -> None:
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"""Set the mode of the device."""
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mode_byte = ((loop_mode + 1) << 4) + auto_mode
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self.send_request([0x01, 0x06, 0x00, 0x02, mode_byte, sensor])
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# Advanced settings
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# Sensor mode (SEN) sensor = 0 for internal sensor, 1 for external sensor,
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# 2 for internal control temperature, external limit temperature. Factory default: 0.
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# Set temperature range for external sensor (OSV) osv = 5..99. Factory default: 42C
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# Deadzone for floor temprature (dIF) dif = 1..9. Factory default: 2C
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# Upper temperature limit for internal sensor (SVH) svh = 5..99. Factory default: 35C
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# Lower temperature limit for internal sensor (SVL) svl = 5..99. Factory default: 5C
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# Actual temperature calibration (AdJ) adj = -0.5. Precision 0.1C
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# Anti-freezing function (FrE) fre = 0 for anti-freezing function shut down,
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# 1 for anti-freezing function open. Factory default: 0
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# Power on memory (POn) poweron = 0 for power on memory off, 1 for power on memory on. Factory default: 0
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def set_advanced(
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self,
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loop_mode: int,
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sensor: int,
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osv: int,
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dif: int,
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svh: int,
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svl: int,
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adj: float,
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fre: int,
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poweron: int,
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) -> None:
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"""Set advanced options."""
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self.send_request(
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[
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0x01,
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0x10,
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0x00,
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0x02,
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0x00,
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0x05,
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0x0A,
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loop_mode,
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sensor,
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osv,
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dif,
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svh,
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svl,
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int(adj * 10) >> 8 & 0xFF,
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int(adj * 10) & 0xFF,
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fre,
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poweron,
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]
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)
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# For backwards compatibility only. Prefer calling set_mode directly.
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# Note this function invokes loop_mode=0 and sensor=0.
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def switch_to_auto(self) -> None:
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"""Switch mode to auto."""
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self.set_mode(auto_mode=1, loop_mode=0)
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def switch_to_manual(self) -> None:
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"""Switch mode to manual."""
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self.set_mode(auto_mode=0, loop_mode=0)
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# Set temperature for manual mode (also activates manual mode if currently in automatic)
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def set_temp(self, temp: float) -> None:
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"""Set the target temperature."""
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self.send_request([0x01, 0x06, 0x00, 0x01, 0x00, int(temp * 2)])
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# Set device on(1) or off(0), does not deactivate Wifi connectivity.
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# Remote lock disables control by buttons on thermostat.
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def set_power(self, power: int = 1, remote_lock: int = 0) -> None:
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"""Set the power state of the device."""
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self.send_request([0x01, 0x06, 0x00, 0x00, remote_lock, power])
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# set time on device
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# n.b. day=1 is Monday, ..., day=7 is Sunday
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def set_time(self, hour: int, minute: int, second: int, day: int) -> None:
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"""Set the time."""
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self.send_request(
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[0x01, 0x10, 0x00, 0x08, 0x00, 0x02, 0x04, hour, minute, second, day]
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)
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# Set timer schedule
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# Format is the same as you get from get_full_status.
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# weekday is a list (ordered) of 6 dicts like:
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# {'start_hour':17, 'start_minute':30, 'temp': 22 }
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# Each one specifies the thermostat temp that will become effective at start_hour:start_minute
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# weekend is similar but only has 2 (e.g. switch on in morning and off in afternoon)
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def set_schedule(self, weekday: t.List[dict], weekend: t.List[dict]) -> None:
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"""Set timer schedule."""
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request = [0x01, 0x10, 0x00, 0x0A, 0x00, 0x0C, 0x18]
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# weekday times
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for i in range(0, 6):
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request.append(weekday[i]["start_hour"])
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request.append(weekday[i]["start_minute"])
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# weekend times
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for i in range(0, 2):
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request.append(weekend[i]["start_hour"])
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request.append(weekend[i]["start_minute"])
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# weekday temperatures
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for i in range(0, 6):
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request.append(int(weekday[i]["temp"] * 2))
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# weekend temperatures
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for i in range(0, 2):
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request.append(int(weekend[i]["temp"] * 2))
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self.send_request(request)
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