Migrated dht integration.

Removed `backend.sensor.dht` and `gpio.sensor.dht`. They have been
merged into the new `sensor.dht` integration, which supports the new
`SensorPlugin` API.
This commit is contained in:
Fabio Manganiello 2023-04-02 13:38:53 +02:00
parent 8f604445a2
commit beff88986a
Signed by: blacklight
GPG key ID: D90FBA7F76362774
6 changed files with 150 additions and 149 deletions

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from platypush.backend.sensor import SensorBackend
class SensorDhtBackend(SensorBackend):
"""
Backend to poll a DHT11/DHT22/AM2302 temperature/humidity sensor.
Requires:
* ``Adafruit_Python_DHT`` (``pip install git+https://github.com/adafruit/Adafruit_Python_DHT.git``)
* The ``gpio.sensor.dht`` plugin configured and enabled.
Triggers:
* :class:`platypush.message.event.sensor.SensorDataChangeEvent` if the measurements of a sensor have changed
* :class:`platypush.message.event.sensor.SensorDataAboveThresholdEvent` if the measurements of a sensor have
gone above a configured threshold
* :class:`platypush.message.event.sensor.SensorDataBelowThresholdEvent` if the measurements of a sensor have
gone below a configured threshold
"""
def __init__(self, temperature: bool = True, humidity: bool = True, **kwargs):
"""
:param temperature: Enable temperature sensor poll.
:param humidity: Enable humidity sensor poll.
"""
enabled_sensors = {
'humidity': humidity,
'temperature': temperature,
}
super().__init__(plugin='gpio.sensor.dht', enabled_sensors=enabled_sensors, **kwargs)
# vim:sw=4:ts=4:et:

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manifest:
events:
platypush.message.event.sensor.SensorDataAboveThresholdEvent: if the measurements
of a sensor havegone above a configured threshold
platypush.message.event.sensor.SensorDataBelowThresholdEvent: if the measurements
of a sensor havegone below a configured threshold
platypush.message.event.sensor.SensorDataChangeEvent: if the measurements of a
sensor have changed
install:
pip:
- Adafruit_Python_DHT
package: platypush.backend.sensor.dht
type: backend

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from typing import Optional, Dict
from platypush.plugins import action
from platypush.plugins.gpio.sensor import GpioSensorPlugin
class GpioSensorDhtPlugin(GpioSensorPlugin):
"""
Plugin to interact with a DHT11/DHT22/AM2302 temperature/humidity sensor through GPIO.
Requires:
* ``Adafruit_Python_DHT`` (``pip install git+https://github.com/adafruit/Adafruit_Python_DHT.git``)
"""
def __init__(self, sensor_type: str, pin: int, retries: int = 5,
retry_seconds: int = 2, **kwargs):
"""
:param sensor_type: Type of sensor to be used (supported types: DHT11, DHT22, AM2302).
:param pin: GPIO PIN where the sensor is connected.
:param retries: Number of retries in case of failed read (default: 5).
:param retry_seconds: Number of seconds to wait between retries (default: 2).
"""
super().__init__(**kwargs)
self.sensor_type = self._get_sensor_type(sensor_type)
self.pin = pin
self.retries = retries
self.retry_seconds = retry_seconds
@staticmethod
def _get_sensor_type(sensor_type: str) -> int:
import Adafruit_DHT
sensor_type = sensor_type.upper()
assert hasattr(Adafruit_DHT, sensor_type), \
'Unknown sensor type: {}. Supported types: DHT11, DHT22, AM2302'.format(sensor_type)
return getattr(Adafruit_DHT, sensor_type)
@action
def read(self, sensor_type: Optional[str] = None, pin: Optional[int] = None,
retries: Optional[int] = None, retry_seconds: Optional[int] = None, **__) -> Dict[str, float]:
"""
Read data from the sensor.
:param sensor_type: Default ``sensor_type`` override.
:param pin: Default ``pin`` override.
:param retries: Default ``retries`` override.
:param retry_seconds: Default ``retry_seconds`` override.
:return: A mapping with the measured temperature and humidity. Example:
.. code-block:: json
{
"humidity": 30.0,
"temperature": 25.5
}
"""
import Adafruit_DHT
sensor_type = self._get_sensor_type(sensor_type) if sensor_type else self.sensor_type
pin = pin or self.pin
retries = retries or self.retries
retry_seconds = retry_seconds or self.retry_seconds
humidity, temperature = Adafruit_DHT.read_retry(sensor=sensor_type,
pin=pin, retries=retries, delay_seconds=retry_seconds)
return {
'humidity': humidity,
'temperature': temperature,
}
@action
def get_measurement(self) -> Dict[str, float]:
"""
Get data from the sensor.
:return: A mapping with the measured temperature and humidity. Example:
.. code-block:: json
{
"humidity": 30.0,
"temperature": 25.5
}
"""
return self.read()
# vim:sw=4:ts=4:et:

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manifest:
events: {}
install:
pip:
- Adafruit_Python_DHT
package: platypush.plugins.gpio.sensor.dht
type: plugin

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from typing import List, Optional, Dict
from typing_extensions import override
from platypush.common.sensors import Numeric
from platypush.entities.devices import Device
from platypush.entities.humidity import HumiditySensor
from platypush.entities.temperature import TemperatureSensor
from platypush.plugins import action
from platypush.plugins.sensor import SensorPlugin
# pylint: disable=too-many-ancestors
class SensorDhtPlugin(SensorPlugin):
"""
Plugin to interact with a DHT11/DHT22/AM2302 temperature/humidity sensor through GPIO.
Requires:
* ``Adafruit_Python_DHT`` (``pip install git+https://github.com/adafruit/Adafruit_Python_DHT.git``)
"""
def __init__(
self,
sensor_type: str,
pin: int,
retries: int = 5,
retry_seconds: int = 2,
poll_interval: float = 5.0,
**kwargs,
):
"""
:param sensor_type: Type of sensor to be used (supported types: DHT11, DHT22, AM2302).
:param pin: GPIO PIN where the sensor is connected.
:param retries: Number of retries in case of failed read (default: 5).
:param retry_seconds: Number of seconds to wait between retries (default: 2).
"""
super().__init__(poll_interval=poll_interval, **kwargs)
self.sensor_type = self._get_sensor_type(sensor_type)
self.pin = pin
self.retries = retries
self.retry_seconds = retry_seconds
@staticmethod
def _get_sensor_type(sensor_type: str) -> int:
import Adafruit_DHT
sensor_type = sensor_type.upper()
assert hasattr(
Adafruit_DHT, sensor_type
), f'Unknown sensor type: {sensor_type}. Supported types: DHT11, DHT22, AM2302'
return getattr(Adafruit_DHT, sensor_type)
@action
def read(
self,
sensor_type: Optional[str] = None,
pin: Optional[int] = None,
retries: Optional[int] = None,
retry_seconds: Optional[int] = None,
**__,
) -> Dict[str, float]:
"""
Read data from the sensor.
:param sensor_type: Default ``sensor_type`` override.
:param pin: Default ``pin`` override.
:param retries: Default ``retries`` override.
:param retry_seconds: Default ``retry_seconds`` override.
:return: A mapping with the measured temperature and humidity. Example:
.. code-block:: json
{
"humidity": 30.0,
"temperature": 25.5
}
"""
import Adafruit_DHT
sensor_type = ( # type: ignore
self._get_sensor_type(sensor_type) if sensor_type else self.sensor_type
)
pin = pin or self.pin
retries = retries or self.retries
retry_seconds = retry_seconds or self.retry_seconds
humidity, temperature = Adafruit_DHT.read_retry(
sensor=sensor_type, pin=pin, retries=retries, delay_seconds=retry_seconds
)
return {
'humidity': humidity,
'temperature': temperature,
}
@override
@action
def get_measurement(self, *_, **__) -> Dict[str, float]:
"""
Get data from the sensor.
:return: A mapping with the measured temperature and humidity. Example:
.. code-block:: json
{
"humidity": 30.0,
"temperature": 25.5
}
"""
return self.read() # type: ignore
@override
def transform_entities(self, entities: Dict[str, Numeric]) -> List[Device]:
return [
Device(
id='dht',
name='DHT Sensor',
children=[
TemperatureSensor(
id='dht:temperature',
name='temperature',
value=entities['temperature'],
unit='°C',
),
HumiditySensor(
id='dht:humidity',
name='humidity',
value=entities['humidity'],
unit='%',
),
],
)
]
# vim:sw=4:ts=4:et:

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manifest:
events:
platypush.message.event.sensor.SensorDataAboveThresholdEvent:
platypush.message.event.sensor.SensorDataBelowThresholdEvent:
platypush.message.event.sensor.SensorDataChangeEvent:
install:
pip:
- Adafruit_Python_DHT
package: platypush.plugins.sensor.dht
type: plugin