Added LTR559 sensor plugin and backend

platypush/backend/sensor/ltr559.py

@@ -0,0 +1,28 @@
+from platypush.backend.sensor import SensorBackend
+
+
+class SensorLtr559Backend(SensorBackend):
+    """
+    Backend to poll an `LTR559 <https://shop.pimoroni.com/products/ltr-559-light-proximity-sensor-breakout>`_
+    light/proximity sensor
+
+    Requires:
+
+        * ``ltr559`` (``pip install ltr559``)
+    """
+
+    def __init__(self, light=True, proximity=True, **kwargs):
+        """
+        :param light: Enable light sensor
+        :param proximity: Enable proximity sensor
+        """
+
+        enabled_sensors = {
+            'light': light,
+            'proximity': proximity,
+        }
+
+        super().__init__(plugin='gpio.sensor.bme280', enabled_sensors=enabled_sensors, **kwargs)
+
+
+# vim:sw=4:ts=4:et:

platypush/plugins/gpio/sensor/ltr559.py

@@ -0,0 +1,40 @@
+from platypush.plugins import action
+from platypush.plugins.gpio.sensor import GpioSensorPlugin
+
+
+class GpioSensorLtr559Plugin(GpioSensorPlugin):
+    """
+    Plugin to interact with an `LTR559 <https://shop.pimoroni.com/products/ltr-559-light-proximity-sensor-breakout>`_
+    light and proximity sensor
+
+    Requires:
+
+        * ``ltr559`` (``pip install ltr559``)
+    """
+
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+
+    # noinspection PyUnresolvedReferences
+    @action
+    def get_measurement(self):
+        """
+        :returns: dict. Example::
+
+            output = {
+                "light": 109.3543,     # Lux
+                "proximity": 103       # The higher the value, the nearest the object, within a ~5cm range
+            }
+
+        """
+
+        import ltr559
+        ltr559.set_proximity_active()
+
+        return {
+            'light': ltr559.get_lux(),
+            'proximity': ltr559.get_proximity(),
+        }
+
+
+# vim:sw=4:ts=4:et:

requirements.txt

@@ -152,3 +152,10 @@ pyScss
 
 # Support for GPS integration
 # gps
+
+# Support for BME280 environment sensor
+# pimoroni-bme280
+
+# Support for LTR559 light/proximity sensor
+# ltr559
+

setup.py

@@ -173,6 +173,8 @@ setup(
         'Support for NFC tags': ['nfcpy>=1.0', 'ndef'],
         'Support for enviropHAT': ['envirophat'],
         'Support for GPS': ['gps'],
+        'Support for BME280 environment sensor': ['pimoroni-bme280'],
+        'Support for LTR559 light/proximity sensor': ['ltr559'],
         # 'Support for Leap Motion backend': ['git+ssh://git@github.com:BlackLight/leap-sdk-python3.git'],
         # 'Support for Flic buttons': ['git+https://@github.com/50ButtonsEach/fliclib-linux-hci.git']
         # 'Support for media subtitles': ['git+https://github.com/agonzalezro/python-opensubtitles#egg=python-opensubtitles']