forked from auracaster/bumble_mirror
format with Black
This commit is contained in:
@@ -30,25 +30,25 @@ from ..gatt import (
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Characteristic,
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CharacteristicValue,
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DelegatedCharacteristicAdapter,
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PackedCharacteristicAdapter
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PackedCharacteristicAdapter,
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)
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# -----------------------------------------------------------------------------
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class HeartRateService(TemplateService):
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UUID = GATT_HEART_RATE_SERVICE
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UUID = GATT_HEART_RATE_SERVICE
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HEART_RATE_CONTROL_POINT_FORMAT = 'B'
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CONTROL_POINT_NOT_SUPPORTED = 0x80
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RESET_ENERGY_EXPENDED = 0x01
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CONTROL_POINT_NOT_SUPPORTED = 0x80
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RESET_ENERGY_EXPENDED = 0x01
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class BodySensorLocation(IntEnum):
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OTHER = 0,
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CHEST = 1,
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WRIST = 2,
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FINGER = 3,
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HAND = 4,
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EAR_LOBE = 5,
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FOOT = 6
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OTHER = (0,)
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CHEST = (1,)
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WRIST = (2,)
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FINGER = (3,)
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HAND = (4,)
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EAR_LOBE = (5,)
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FOOT = 6
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class HeartRateMeasurement:
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def __init__(
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@@ -56,12 +56,14 @@ class HeartRateService(TemplateService):
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heart_rate,
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sensor_contact_detected=None,
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energy_expended=None,
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rr_intervals=None
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rr_intervals=None,
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):
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if heart_rate < 0 or heart_rate > 0xFFFF:
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raise ValueError('heart_rate out of range')
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if energy_expended is not None and (energy_expended < 0 or energy_expended > 0xFFFF):
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if energy_expended is not None and (
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energy_expended < 0 or energy_expended > 0xFFFF
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):
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raise ValueError('energy_expended out of range')
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if rr_intervals:
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@@ -69,10 +71,10 @@ class HeartRateService(TemplateService):
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if rr_interval < 0 or rr_interval * 1024 > 0xFFFF:
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raise ValueError('rr_intervals out of range')
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self.heart_rate = heart_rate
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self.heart_rate = heart_rate
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self.sensor_contact_detected = sensor_contact_detected
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self.energy_expended = energy_expended
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self.rr_intervals = rr_intervals
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self.energy_expended = energy_expended
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self.rr_intervals = rr_intervals
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@classmethod
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def from_bytes(cls, data):
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@@ -87,7 +89,7 @@ class HeartRateService(TemplateService):
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offset += 1
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if flags & (1 << 2):
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sensor_contact_detected = (flags & (1 << 1) != 0)
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sensor_contact_detected = flags & (1 << 1) != 0
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else:
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sensor_contact_detected = None
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@@ -119,38 +121,42 @@ class HeartRateService(TemplateService):
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flags |= ((1 if self.sensor_contact_detected else 0) << 1) | (1 << 2)
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if self.energy_expended is not None:
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flags |= (1 << 3)
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flags |= 1 << 3
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data += struct.pack('<H', self.energy_expended)
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if self.rr_intervals:
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flags |= (1 << 4)
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data += b''.join([
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struct.pack('<H', int(rr_interval * 1024))
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for rr_interval in self.rr_intervals
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])
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flags |= 1 << 4
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data += b''.join(
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[
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struct.pack('<H', int(rr_interval * 1024))
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for rr_interval in self.rr_intervals
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]
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)
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return bytes([flags]) + data
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def __str__(self):
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return f'HeartRateMeasurement(heart_rate={self.heart_rate},'\
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f' sensor_contact_detected={self.sensor_contact_detected},'\
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f' energy_expended={self.energy_expended},'\
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return (
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f'HeartRateMeasurement(heart_rate={self.heart_rate},'
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f' sensor_contact_detected={self.sensor_contact_detected},'
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f' energy_expended={self.energy_expended},'
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f' rr_intervals={self.rr_intervals})'
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)
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def __init__(
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self,
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read_heart_rate_measurement,
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body_sensor_location=None,
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reset_energy_expended=None
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reset_energy_expended=None,
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):
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self.heart_rate_measurement_characteristic = DelegatedCharacteristicAdapter(
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Characteristic(
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GATT_HEART_RATE_MEASUREMENT_CHARACTERISTIC,
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Characteristic.NOTIFY,
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0,
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CharacteristicValue(read=read_heart_rate_measurement)
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CharacteristicValue(read=read_heart_rate_measurement),
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),
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encode=lambda value: bytes(value)
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encode=lambda value: bytes(value),
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)
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characteristics = [self.heart_rate_measurement_characteristic]
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@@ -159,11 +165,12 @@ class HeartRateService(TemplateService):
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GATT_BODY_SENSOR_LOCATION_CHARACTERISTIC,
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Characteristic.READ,
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Characteristic.READABLE,
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bytes([int(body_sensor_location)])
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bytes([int(body_sensor_location)]),
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)
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characteristics.append(self.body_sensor_location_characteristic)
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if reset_energy_expended:
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def write_heart_rate_control_point_value(connection, value):
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if value == self.RESET_ENERGY_EXPENDED:
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if reset_energy_expended is not None:
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@@ -176,9 +183,9 @@ class HeartRateService(TemplateService):
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GATT_HEART_RATE_CONTROL_POINT_CHARACTERISTIC,
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Characteristic.WRITE,
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Characteristic.WRITEABLE,
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CharacteristicValue(write=write_heart_rate_control_point_value)
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CharacteristicValue(write=write_heart_rate_control_point_value),
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),
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format=HeartRateService.HEART_RATE_CONTROL_POINT_FORMAT
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format=HeartRateService.HEART_RATE_CONTROL_POINT_FORMAT,
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)
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characteristics.append(self.heart_rate_control_point_characteristic)
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@@ -192,30 +199,38 @@ class HeartRateServiceProxy(ProfileServiceProxy):
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def __init__(self, service_proxy):
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self.service_proxy = service_proxy
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if characteristics := service_proxy.get_characteristics_by_uuid(GATT_HEART_RATE_MEASUREMENT_CHARACTERISTIC):
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if characteristics := service_proxy.get_characteristics_by_uuid(
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GATT_HEART_RATE_MEASUREMENT_CHARACTERISTIC
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):
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self.heart_rate_measurement = DelegatedCharacteristicAdapter(
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characteristics[0],
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decode=HeartRateService.HeartRateMeasurement.from_bytes
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decode=HeartRateService.HeartRateMeasurement.from_bytes,
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)
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else:
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self.heart_rate_measurement = None
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if characteristics := service_proxy.get_characteristics_by_uuid(GATT_BODY_SENSOR_LOCATION_CHARACTERISTIC):
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if characteristics := service_proxy.get_characteristics_by_uuid(
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GATT_BODY_SENSOR_LOCATION_CHARACTERISTIC
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):
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self.body_sensor_location = DelegatedCharacteristicAdapter(
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characteristics[0],
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decode=lambda value: HeartRateService.BodySensorLocation(value[0])
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decode=lambda value: HeartRateService.BodySensorLocation(value[0]),
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)
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else:
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self.body_sensor_location = None
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if characteristics := service_proxy.get_characteristics_by_uuid(GATT_HEART_RATE_CONTROL_POINT_CHARACTERISTIC):
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if characteristics := service_proxy.get_characteristics_by_uuid(
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GATT_HEART_RATE_CONTROL_POINT_CHARACTERISTIC
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):
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self.heart_rate_control_point = PackedCharacteristicAdapter(
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characteristics[0],
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format=HeartRateService.HEART_RATE_CONTROL_POINT_FORMAT
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format=HeartRateService.HEART_RATE_CONTROL_POINT_FORMAT,
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)
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else:
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self.heart_rate_control_point = None
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async def reset_energy_expended(self):
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if self.heart_rate_control_point is not None:
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return await self.heart_rate_control_point.write_value(HeartRateService.RESET_ENERGY_EXPENDED)
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return await self.heart_rate_control_point.write_value(
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HeartRateService.RESET_ENERGY_EXPENDED
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)
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