Adding more plugins documentation

docs/source/platypush/plugins/gpio.sensor.distance.rst

@@ -0,0 +1,6 @@
+``platypush.plugins.gpio.sensor.distance``
+==========================================
+
+.. automodule:: platypush.plugins.gpio.sensor.distance
+    :members:
+

docs/source/platypush/plugins/gpio.sensor.mcp3008.rst

@@ -0,0 +1,7 @@
+``platypush.plugins.gpio.sensor.mcp3008``
+=========================================
+
+.. automodule:: platypush.plugins.gpio.sensor.mcp3008
+    :members:
+
+

docs/source/platypush/plugins/gpio.sensor.rst

@@ -0,0 +1,6 @@
+``platypush.plugins.gpio.sensor``
+=================================
+
+.. automodule:: platypush.plugins.gpio.sensor
+    :members:
+

docs/source/platypush/plugins/gpio.zeroborg.rst

@@ -0,0 +1,6 @@
+``platypush.plugins.gpio.zeroborg``
+===================================
+
+.. automodule:: platypush.plugins.gpio.zeroborg
+    :members:
+

docs/source/platypush/plugins/http.request.rst

@@ -0,0 +1,7 @@
+``platypush.plugins.http.request``
+==================================
+
+.. automodule:: platypush.plugins.http.request
+    :members:
+
+

docs/source/platypush/plugins/light.hue.rst

@@ -0,0 +1,6 @@
+``platypush.plugins.light.hue``
+===============================
+
+.. automodule:: platypush.plugins.light.hue
+    :members:
+

docs/source/platypush/plugins/light.rst

@@ -0,0 +1,6 @@
+``platypush.plugins.light``
+===========================
+
+.. automodule:: platypush.plugins.light
+    :members:
+

docs/source/platypush/plugins/midi.rst

@@ -0,0 +1,6 @@
+``platypush.plugins.midi``
+==========================
+
+.. automodule:: platypush.plugins.midi
+    :members:
+

docs/source/platypush/plugins/mqtt.rst

@@ -0,0 +1,7 @@
+``platypush.plugins.mqtt``
+==========================
+
+.. automodule:: platypush.plugins.mqtt
+    :members:
+
+

docs/source/platypush/plugins/music.mpd.rst

@@ -0,0 +1,6 @@
+``platypush.plugins.music.mpd``
+===============================
+
+.. automodule:: platypush.plugins.music.mpd
+    :members:
+

docs/source/plugins.rst

@@ -16,4 +16,14 @@ Plugins
     platypush/plugins/google.mail.rst
     platypush/plugins/google.maps.rst
     platypush/plugins/gpio.rst
+    platypush/plugins/gpio.sensor.rst
+    platypush/plugins/gpio.sensor.distance.rst
+    platypush/plugins/gpio.sensor.mcp3008.rst
+    platypush/plugins/gpio.zeroborg.rst
+    platypush/plugins/http.request.rst
+    platypush/plugins/light.rst
+    platypush/plugins/light.hue.rst
+    platypush/plugins/midi.rst
+    platypush/plugins/mqtt.rst
+    platypush/plugins/music.mpd.rst
 

platypush/plugins/gpio/sensor/__init__.py

@@ -2,13 +2,36 @@ from platypush.plugins import Plugin
 
 
 class GpioSensorPlugin(Plugin):
+    """
+    GPIO sensor abstract plugin. Any plugin that interacts with sensor via GPIO
+    should implement this class (and the get_measurement() method)
+    """
+
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
     def get_measurement(self, *args, **kwargs):
+        """
+        Implemented by the subclasses.
+
+        :returns: Either a raw scalar:
+
+            ``output = 273.16``
+
+        or a name-value dictionary with the values that have been read::
+
+            output = {
+                "temperature": 21.5,
+                "humidity": 41.0
+            }
+        """
         raise NotImplementedError('get_measurement should be implemented in a derived class')
 
     def get_data(self, *args, **kwargs):
+        """
+        Alias for ``get_measurement``
+        """
+
         return self.get_measurement(*args, **kwargs)
 
 # vim:sw=4:ts=4:et:

platypush/plugins/gpio/sensor/distance/__init__.py

@@ -1,14 +1,30 @@
 import threading
 import time
 
-import RPi.GPIO as gpio
-
 from platypush.message.response import Response
 from platypush.plugins.gpio.sensor import GpioSensorPlugin
 
 
 class GpioSensorDistancePlugin(GpioSensorPlugin):
+    """
+    You can use this plugin to interact with a distance sensor on your Raspberry
+    Pi (tested with a HC-SR04 ultrasound sensor).
+
+    Requires:
+
+        * ``RPi.GPIO`` (``pip install RPi.GPIO``)
+    """
+
     def __init__(self, trigger_pin, echo_pin, *args, **kwargs):
+        """
+        :param trigger_pin: GPIO PIN where you connected your sensor trigger PIN (the one that triggers the sensor to perform a measurement).
+        :type trigger_pin: int
+
+        :param echo_pin: GPIO PIN where you connected your sensor echo PIN (the one that will listen for the signal to bounce back and therefore trigger the distance calculation).
+        :type echo_pin: int
+        """
+
+        import RPi.GPIO as gpio
         super().__init__(*args, **kwargs)
 
         self.trigger_pin = trigger_pin
@@ -24,6 +40,13 @@ class GpioSensorDistancePlugin(GpioSensorPlugin):
 
 
     def get_measurement(self):
+        """
+        Extends :func:`.GpioSensorPlugin.get_measurement`
+
+        :returns: Distance measurement as a scalar (in mm):
+        """
+
+        import RPi.GPIO as gpio
         gpio.setmode(gpio.BCM)
         gpio.setup(self.trigger_pin, gpio.OUT)
         gpio.setup(self.echo_pin, gpio.IN)

platypush/plugins/gpio/sensor/mcp3008/__init__.py

@@ -1,9 +1,6 @@
 import enum
 import time
 
-import Adafruit_GPIO.SPI as SPI
-import Adafruit_MCP3008
-
 from platypush.plugins.gpio.sensor import GpioSensorPlugin
 from platypush.message.response import Response
 
@@ -15,15 +12,78 @@ class MCP3008Mode(enum.Enum):
 
 class GpioSensorMcp3008Plugin(GpioSensorPlugin):
     """
-    Plugin to read analog sensor values from an MCP3008 chipset,
+    Plugin to read analog sensor values from an MCP3008 chipset.  The MCP3008
-    see https://learn.adafruit.com/raspberry-pi-analog-to-digital-converters/mcp3008
+    chipset is a circuit that allows you to read measuremnts from multiple
-    Requires adafruit-mcp3008 Python package
+    analog sources (e.g. sensors) and multiplex them to a digital device like a
+    Raspberry Pi or a regular laptop.  See
+    https://learn.adafruit.com/raspberry-pi-analog-to-digital-converters/mcp3008
+    for more info.
+
+    Requires:
+
+        * ``adafruit-mcp3008`` (``pip install adafruit-mcp3008``)
     """
 
     N_CHANNELS = 8
 
     def __init__(self, CLK=None, MISO=None, MOSI=None, CS=None, spi_port=None,
                  spi_device=None, channels=None, Vdd=3.3, *args, **kwargs):
+        """
+        The MCP3008 can be connected in two modes:
+
+            * Hardware SPI mode: advised if you have enough GPIO pins available
+                (and slightly faster)
+            * Software SPI mode: useful if you don't have all the required GPIO
+                PINs for hardware SPI available. Slightly slower, as the conversion
+                is done via software, but still relatively performant.
+
+            See
+            https://learn.adafruit.com/raspberry-pi-analog-to-digital-converters/mcp3008#wiring
+            for info
+
+        :param CLK: (software SPI mode) CLK GPIO PIN
+        :type CLK: int
+        :param MISO: (software SPI mode) MISO GPIO PIN
+        :type MISO: int
+        :param MOSI: (software SPI mode) MOSI GPIO PIN
+        :type MOSI: int
+        :param CS: (software SPI mode) CS GPIO PIN
+        :type CS: int
+
+        :param spi_port: (hardware SPI mode) SPI port
+        :type spi_port: int
+        :param spi_device: (hardware SPI mode) SPI device name
+        :type spi_device: str
+
+        :param channels: name-value mapping between MCP3008 output PINs and sensor names. This mapping will be used when you get values through :func:`.get_measurement()`.
+            Example::
+
+                channels = {
+                    "0": {
+                        "name": "temperature",
+                        "conv_function": 'round(x*100.0, 2)'  # T = Vout / (10 [mV/C])
+                    },
+                    "1": {
+                        "name": "light",  # ALS-PT9
+                        "conv_function": 'round(x*1000.0, 6)'  # ALS-PT9 has a 10 kOhm resistor
+                    }
+                }
+
+            Note that you can also pass a conversion function as
+            ``conv_function`` that will convert the output voltage to whichever
+            human-readable value you wish.  In the case above I connected a
+            simple temperature sensor to the channel 0 and a simple ALS-PT9
+            light sensor to the channel 1, and passed the appropriate conversion
+            functions to convert from voltage to, respectively, temperature in
+            Celsius degrees and light intensity in lumen. Note that we reference
+            the current voltage as ``x`` in ``conv_function``.
+
+        :type channels: dict
+
+        :param Vdd: Input voltage provided to the circuit (default: 3.3V, Raspberry Pi default power source)
+        :type Vdd: float
+        """
+
         super().__init__(*args, **kwargs)
 
         if CLK and MISO and MOSI and CS:
@@ -47,6 +107,9 @@ class GpioSensorMcp3008Plugin(GpioSensorPlugin):
 
 
     def _get_mcp(self):
+        import Adafruit_GPIO.SPI as SPI
+        import Adafruit_MCP3008
+
         if self.mode == MCP3008Mode.SOFTWARE:
             self.mcp = Adafruit_MCP3008.MCP3008(clk=self.CLK, cs=self.CS,
                                            miso=self.MISO, mosi=self.MOSI)
@@ -63,6 +126,27 @@ class GpioSensorMcp3008Plugin(GpioSensorPlugin):
 
 
     def get_measurement(self):
+        """
+        Returns a measurement from the sensors connected to the MCP3008 device.
+        If channels were passed to the configuration, the appropriate sensor names
+        will be used and the voltage will be converted through the appropriate
+        conversion function. Example::
+
+            output = {
+                "temperature": 21.0,  # Celsius
+                "humidity": 45.1    # %
+            }
+
+        Otherwise, the output dictionary will contain the channel numbers as key
+        and the row voltage (between 0 and 255) will be returned. Example::
+
+            output = {
+                "0": 145,
+                "1": 130
+            }
+
+        """
+
         mcp = self._get_mcp()
         values = {}
 

platypush/plugins/gpio/zeroborg/__init__.py

@@ -18,12 +18,65 @@ class Direction(enum.Enum):
 
 
 class GpioZeroborgPlugin(Plugin):
+    """
+    ZeroBorg plugin. It allows you to control a ZeroBorg
+    (https://www.piborg.org/motor-control-1135/zeroborg) motor controller and
+    infrared sensor circuitry for Raspberry Pi
+    """
+
     _drive_thread = None
     _can_run = False
     _direction = None
 
 
     def __init__(self, directions = {}, *args, **kwargs):
+        """
+        :param directions: Configuration for the motor directions. A direction is basically a configuration of the power delivered to each motor to allow whichever object you're controlling (wheels, robotic arms etc.) to move in a certain direction. In my experience the ZeroBorg always needs a bit of calibration, depending on factory defaults and the mechanical properties of the load it controls.
+        Example configuration that I use to control a simple 4WD robot::
+
+            directions = {
+                "up": {
+                    "motor_1_power": 0.4821428571428572,
+                    "motor_2_power": 0.4821428571428572,
+                    "motor_3_power": -0.6707142857142858,
+                    "motor_4_power": -0.6707142857142858
+                },
+                "down": {
+                    "motor_1_power": -0.4821428571428572,
+                    "motor_2_power": -0.4821428571428572,
+                    "motor_3_power": 0.825,
+                    "motor_4_power": 0.825
+                },
+                "left": {
+                    "motor_1_power": -0.1392857142857143,
+                    "motor_2_power": -0.1392857142857143,
+                    "motor_3_power": -1.0553571428571429,
+                    "motor_4_power": -1.0553571428571429
+                },
+                "right": {
+                    "motor_1_power": 1.0017857142857143,
+                    "motor_2_power": 1.0017857142857143,
+                    "motor_3_power": 0.6214285714285713,
+                    "motor_4_power": 0.6214285714285713
+                },
+                "auto": {
+                    "sensors": [
+                        {
+                            "plugin": "gpio.sensor.distance",
+                            "threshold": 400.0,
+                            "timeout": 2.0,
+                            "above_threshold_direction": "up",
+                            "below_threshold_direction": "left"
+                        }
+                    ]
+                }
+            }
+
+        Note that the special direction "auto" can contain a configuration that allows your device to move autonomously based on the inputs it gets from some sensors.  In this case, I set the sensors configuration (a list) to periodically poll a GPIO-based ultrasound distance sensor plugin. ``timeout`` says after how long a poll attempt should fail. The plugin package is specified through ``plugin`` (``gpio.sensor.distance``) in this case, note that the plugin must be configured as well in order to work). The ``threshold`` value says around which value your logic should trigger. In this case, threshold=400 (40 cm). When the distance value is above that threshold (``above_threshold_direction``), then go "up" (no obstacles ahead). Otherwise (``below_threshold_direction``), turn "left" (avoid the obstacle).
+
+        :type directions: dict
+        """
+
         import platypush.plugins.gpio.zeroborg.lib as ZeroBorg
         super().__init__(*args, **kwargs)
 
@@ -75,6 +128,16 @@ class GpioZeroborgPlugin(Plugin):
 
 
     def drive(self, direction):
+        """
+        Drive the motors in a certain direction.
+
+        :param direction: Direction name (note: it must be a configured direction). Special directions:
+            * ``auto`` - Enter automatic drive mode
+            * ``auto_toggle`` - Toggle automatic drive mode (on or off)
+            * ``stop`` - Turn off the motors
+
+        """
+
         prev_direction = self._direction
 
         self._can_run = True
@@ -125,6 +188,10 @@ class GpioZeroborgPlugin(Plugin):
 
 
     def stop(self):
+        """
+        Turns off the motors
+        """
+
         self._can_run = False
         if self._drive_thread and threading.get_ident() != self._drive_thread.ident:
             self._drive_thread.join()

platypush/plugins/http/request/__init__.py

@@ -5,7 +5,41 @@ from platypush.message.response import Response
 from platypush.plugins import Plugin
 
 class HttpRequestPlugin(Plugin):
-    """ Plugin for executing custom HTTP requests """
+    """
+    Plugin for executing custom HTTP requests.
+
+    Requires:
+
+        * **requests** (``pip install requests``)
+
+    Some example usages::
+
+        # Execute a GET request on a JSON endpoint
+        {
+            "type": "request",
+            "action": "http.request.get",
+            "args": {
+                "url": "http://remote-host/api/v1/entity",
+                "params": {
+                    "start": "2000-01-01"
+                }
+            }
+        }
+
+        # Execute an action on another Platypush host through HTTP interface
+        {
+            "type": "request",
+            "action": "http.request.post",
+            "args": {
+                "url": "http://remote-host:8008/execute",
+                "json": {
+                    "type": "request",
+                    "target": "remote-host",
+                    "action": "music.mpd.play"
+                }
+            }
+        }
+    """
 
     def _exec(self, method, url, output='text', **kwargs):
         """ Available output types: text (default), json, binary """
@@ -21,26 +55,86 @@ class HttpRequestPlugin(Plugin):
 
 
     def get(self, url, **kwargs):
+        """
+        Perform a GET request
+
+        :param url: Target URL
+        :type url: str
+
+        :param kwargs: Additional arguments that will be transparently provided to the ``requests`` object, including but not limited to query params, data, JSON, headers etc. (see http://docs.python-requests.org/en/master/user/quickstart/#make-a-request)
+        :type kwargs: dict
+        """
+
         return self._exec(method='get', url=url, **kwargs)
 
 
     def post(self, url, **kwargs):
+        """
+        Perform a POST request
+
+        :param url: Target URL
+        :type url: str
+
+        :param kwargs: Additional arguments that will be transparently provided to the ``requests`` object, including but not limited to query params, data, JSON, headers etc. (see http://docs.python-requests.org/en/master/user/quickstart/#make-a-request)
+        :type kwargs: dict
+        """
+
         return self._exec(method='post', url=url, **kwargs)
 
 
     def head(self, url, **kwargs):
+        """
+        Perform an HTTP HEAD request
+
+        :param url: Target URL
+        :type url: str
+
+        :param kwargs: Additional arguments that will be transparently provided to the ``requests`` object, including but not limited to query params, data, JSON, headers etc. (see http://docs.python-requests.org/en/master/user/quickstart/#make-a-request)
+        :type kwargs: dict
+        """
+
         return self._exec(method='head', url=url, **kwargs)
 
 
     def put(self, url, **kwargs):
+        """
+        Perform a PUT request
+
+        :param url: Target URL
+        :type url: str
+
+        :param kwargs: Additional arguments that will be transparently provided to the ``requests`` object, including but not limited to query params, data, JSON, headers etc. (see http://docs.python-requests.org/en/master/user/quickstart/#make-a-request)
+        :type kwargs: dict
+        """
+
         return self._exec(method='put', url=url, **kwargs)
 
 
     def delete(self, url, **kwargs):
+        """
+        Perform a DELETE request
+
+        :param url: Target URL
+        :type url: str
+
+        :param kwargs: Additional arguments that will be transparently provided to the ``requests`` object, including but not limited to query params, data, JSON, headers etc. (see http://docs.python-requests.org/en/master/user/quickstart/#make-a-request)
+        :type kwargs: dict
+        """
+
         return self._exec(method='delete', url=url, **kwargs)
 
 
     def options(self, url, **kwargs):
+        """
+        Perform an HTTP OPTIONS request
+
+        :param url: Target URL
+        :type url: str
+
+        :param kwargs: Additional arguments that will be transparently provided to the ``requests`` object, including but not limited to query params, data, JSON, headers etc. (see http://docs.python-requests.org/en/master/user/quickstart/#make-a-request)
+        :type kwargs: dict
+        """
+
         return self._exec(method='options', url=url, **kwargs)
 
 

platypush/plugins/lastfm/__init__.py

@@ -6,7 +6,30 @@ from platypush.message.response import Response
 from .. import Plugin
 
 class LastfmPlugin(Plugin):
+    """
+    Plugin to interact with your Last.FM (https://last.fm) account, update your
+    current track and your scrobbles.
+
+    Requires:
+
+        * **pylast** (``pip install pylast``)
+    """
+
     def __init__(self, api_key, api_secret, username, password):
+        """
+        :param api_key: Last.FM API key, see https://www.last.fm/api
+        :type api_key: str
+
+        :param api_secret: Last.FM API secret, see https://www.last.fm/api
+        :type api_key: str
+
+        :param username: Last.FM username
+        :type api_key: str
+
+        :param password: Last.FM password, used to sign the requests
+        :type api_key: str
+        """
+
         self.api_key = api_key
         self.api_secret = api_secret
         self.username = username
@@ -20,6 +43,17 @@ class LastfmPlugin(Plugin):
 
 
     def scrobble(self, artist, title, album=None, **kwargs):
+        """
+        Scrobble a track to Last.FM
+
+        :param artist: Artist
+        :type artist: str
+        :param title: Title
+        :type title: str
+        :param album: Album (optional)
+        :type album: str
+        """
+
         self.lastfm.scrobble(
             artist = artist,
             title = title,
@@ -31,6 +65,17 @@ class LastfmPlugin(Plugin):
 
 
     def update_now_playing(self, artist, title, album=None, **kwargs):
+        """
+        Update the currently playing track
+
+        :param artist: Artist
+        :type artist: str
+        :param title: Title
+        :type title: str
+        :param album: Album (optional)
+        :type album: str
+        """
+
         self.lastfm.update_now_playing(
             artist = artist,
             title = title,

platypush/plugins/light/__init__.py

@@ -1,16 +1,24 @@
 from .. import Plugin
 
 class LightPlugin(Plugin):
+    """
+    Abstract plugin to interface your logic with lights/bulbs.
+    """
+
     def on(self):
+        """ Turn the light on """
         raise NotImplementedError()
 
     def off(self):
+        """ Turn the light off """
         raise NotImplementedError()
 
     def toggle(self):
+        """ Toggle the light status (on/off) """
         raise NotImplementedError()
 
     def status(self):
+        """ Get the light status """
         raise NotImplementedError()
 
 

platypush/plugins/light/hue/__init__.py

@@ -12,7 +12,13 @@ from platypush.message.response import Response
 from .. import LightPlugin
 
 class LightHuePlugin(LightPlugin):
-    """ Philips Hue lights plugin """
+    """
+    Philips Hue lights plugin.
+
+    Requires:
+
+        * **phue** (``pip install phue``)
+    """
 
     MAX_BRI = 255
     MAX_SAT = 255
@@ -31,11 +37,14 @@ class LightHuePlugin(LightPlugin):
 
     def __init__(self, bridge, lights=None, groups=None):
         """
-        Constructor
+        :param bridge: Bridge address or hostname
-        Params:
+        :type bridge: str
-            bridge -- Bridge address or hostname
+
-            lights -- Lights to be controlled (default: all)
+        :param lights: Default lights to be controlled (default: all)
-            groups -- Groups to be controlled (default: all)
+        :type lights: list[str]
+
+        :param groups Default groups to be controlled (default: all)
+        :type groups: list[str]
         """
 
         super().__init__()
@@ -66,6 +75,14 @@ class LightHuePlugin(LightPlugin):
             self.lights.extend([l.name for l in g.lights])
 
     def connect(self):
+        """
+        Connect to the configured Hue bridge. If the device hasn't been paired
+        yet, uncomment the ``.connect()`` and ``.get_api()`` lines and retry
+        after clicking the pairing button on your bridge.
+
+        :todo: Support for dynamic retry and better user interaction in case of bridge pairing neeeded.
+        """
+
         # Lazy init
         if not self.bridge:
             self.bridge = Bridge(self.bridge_address)
@@ -83,14 +100,127 @@ class LightHuePlugin(LightPlugin):
 
 
     def get_scenes(self):
+        """
+        Get the available scenes on the devices.
+
+        :returns: The scenes configured on the bridge.
+
+        Example output::
+
+            output = {
+                "scene-id-1": {
+                    "name": "Scene 1",
+                    "lights": [
+                        "1",
+                        "3"
+                    ],
+                    "owner": "owner-id",
+                    "recycle": true,
+                    "locked": false,
+                    "appdata": {},
+                    "picture": "",
+                    "lastupdated": "2018-06-01T00:00:00",
+                    "version": 1
+                },
+                "scene-id-2": {
+                    # ...
+                }
+            }
+        """
+
         return Response(output=self.bridge.get_scene())
 
 
     def get_lights(self):
+        """
+        Get the configured lights.
+
+        :returns: List of available lights as id->dict.
+
+        Example::
+
+            output = {
+                "1": {
+                    "state": {
+                        "on": true,
+                        "bri": 254,
+                        "hue": 1532,
+                        "sat": 215,
+                        "effect": "none",
+                        "xy": [
+                            0.6163,
+                            0.3403
+                        ],
+                        "ct": 153,
+                        "alert": "none",
+                        "colormode": "hs",
+                        "reachable": true
+                    },
+                    "type": "Extended color light",
+                    "name": "Lightbulb 1",
+                    "modelid": "LCT001",
+                    "manufacturername": "Philips",
+                    "uniqueid": "00:11:22:33:44:55:66:77-88",
+                    "swversion": "5.105.0.21169"
+                },
+                "2": {
+                    # ...
+                }
+            }
+        """
+
         return Response(output=self.bridge.get_light())
 
 
     def get_groups(self):
+        """
+        Get the list of configured light groups.
+
+        :returns: List of configured light groups as id->dict.
+
+        Example::
+
+            output = {
+                "1": {
+                    "name": "Living Room",
+                    "lights": [
+                        "16",
+                        "13",
+                        "12",
+                        "11",
+                        "10",
+                        "9",
+                        "1",
+                        "3"
+                    ],
+                    "type": "Room",
+                    "state": {
+                        "all_on": true,
+                        "any_on": true
+                    },
+                    "class": "Living room",
+                    "action": {
+                        "on": true,
+                        "bri": 241,
+                        "hue": 37947,
+                        "sat": 221,
+                        "effect": "none",
+                        "xy": [
+                            0.2844,
+                            0.2609
+                        ],
+                        "ct": 153,
+                        "alert": "none",
+                        "colormode": "hs"
+                    }
+                },
+
+                "2": {
+                    # ...
+                }
+            }
+        """
+
         return Response(output=self.bridge.get_group())
 
 
@@ -129,40 +259,132 @@ class LightHuePlugin(LightPlugin):
         return Response(output='ok')
 
     def set_light(self, light, **kwargs):
+        """
+        Set a light (or lights) property.
+
+        :param light: Light or lights to set. Can be a string representing the light name, a light object, a list of string, or a list of light objects.
+        :param kwargs: key-value list of parameters to set.
+
+        Example call::
+
+            {
+                "type": "request",
+                "target": "hostname",
+                "action": "light.hue.set_light",
+                "args": {
+                    "light": "Bulb 1",
+                    "sat": 255
+                }
+            }
+        """
+
         self.connect()
         self.bridge.set_light(light, **kwargs)
         return Response(output='ok')
 
     def set_group(self, group, **kwargs):
+        """
+        Set a group (or groups) property.
+
+        :param group: Group or groups to set. Can be a string representing the group name, a group object, a list of strings, or a list of group objects.
+        :param kwargs: key-value list of parameters to set.
+
+        Example call::
+
+            {
+                "type": "request",
+                "target": "hostname",
+                "action": "light.hue.set_group",
+                "args": {
+                    "light": "Living Room",
+                    "sat": 255
+                }
+            }
+        """
+
         self.connect()
         self.bridge.set_group(group, **kwargs)
         return Response(output='ok')
 
     def on(self, lights=[], groups=[]):
+        """
+        Turn lights/groups on.
+
+        :param lights: Lights to turn on (names or light objects). Default: plugin default lights
+        :param groups: Groups to turn on (names or group objects). Default: plugin default groups
+        """
+
         return self._exec('on', True, lights=lights, groups=groups)
 
     def off(self, lights=[], groups=[]):
+        """
+        Turn lights/groups off.
+
+        :param lights: Lights to turn off (names or light objects). Default: plugin default lights
+        :param groups: Groups to turn off (names or group objects). Default: plugin default groups
+        """
+
         return self._exec('on', False, lights=lights, groups=groups)
 
     def bri(self, value, lights=[], groups=[]):
+        """
+        Set lights/groups brightness.
+
+        :param lights: Lights to control (names or light objects). Default: plugin default lights
+        :param groups: Groups to control (names or group objects). Default: plugin default groups
+        :param value: Brightness value (range: 0-255)
+        """
+
         return self._exec('bri', int(value) % (self.MAX_BRI+1),
                       lights=lights, groups=groups)
 
     def sat(self, value, lights=[], groups=[]):
+        """
+        Set lights/groups saturation.
+
+        :param lights: Lights to control (names or light objects). Default: plugin default lights
+        :param groups: Groups to control (names or group objects). Default: plugin default groups
+        :param value: Saturation value (range: 0-255)
+        """
+
         return self._exec('sat', int(value) % (self.MAX_SAT+1),
                       lights=lights, groups=groups)
 
     def hue(self, value, lights=[], groups=[]):
+        """
+        Set lights/groups color hue.
+
+        :param lights: Lights to control (names or light objects). Default: plugin default lights
+        :param groups: Groups to control (names or group objects). Default: plugin default groups
+        :param value: Hue value (range: 0-65535)
+        """
+
         return self._exec('hue', int(value) % (self.MAX_HUE+1),
                       lights=lights, groups=groups)
 
     def scene(self, name, lights=[], groups=[]):
+        """
+        Set a scene by name.
+
+        :param lights: Lights to control (names or light objects). Default: plugin default lights
+        :param groups: Groups to control (names or group objects). Default: plugin default groups
+        :param name: Name of the scene
+        """
+
         return self._exec('scene', name=name, lights=lights, groups=groups)
 
     def is_animation_running(self):
+        """
+        :returns: True if there is an animation running, false otherwise.
+        """
+
         return self.animation_thread is not None
 
     def stop_animation(self):
+        """
+        Stop a running animation if any
+        """
+
         if self.animation_thread and self.animation_thread.is_alive():
             self.redis.rpush(self.ANIMATION_CTRL_QUEUE_NAME, 'STOP')
 
@@ -170,6 +392,40 @@ class LightHuePlugin(LightPlugin):
                 hue_range=[0, MAX_HUE], sat_range=[0, MAX_SAT],
                 bri_range=[MAX_BRI-1, MAX_BRI], lights=None, groups=None,
                 hue_step=1000, sat_step=2, bri_step=1, transition_seconds=1.0):
+        """
+        Run a lights animation.
+
+        :param animation: Animation name. Supported types: **color_transition** and **blink**
+        :type animation: str
+
+        :param duration: Animation duration in seconds (default: None, i.e. continue until stop)
+        :type duration: float
+
+        :param hue_range: If you selected a color transition, this will specify the hue range of your color transition. Default: [0, 65535]
+        :type hue_range: list[int]
+
+        :param sat_range: If you selected a color transition, this will specify the saturation range of your color transition. Default: [0, 255]
+        :type sat_range: list[int]
+
+        :param bri_range: If you selected a color transition, this will specify the brightness range of your color transition. Default: [254, 255]
+        :type bri_range: list[int]
+
+        :param lights: Lights to control (names or light objects). Default: plugin default lights
+        :param groups: Groups to control (names or group objects). Default: plugin default groups
+
+        :param hue_step: If you selected a color transition, this will specify by how much the color hue will change between iterations. Default: 1000
+        :type hue_step: int
+
+        :param sat_step: If you selected a color transition, this will specify by how much the saturation will change between iterations. Default: 2
+        :type sat_step: int
+
+        :param bri_step: If you selected a color transition, this will specify by how much the brightness will change between iterations. Default: 1
+        :type bri_step: int
+
+        :param transition_seconds: Time between two transitions or blinks in seconds. Default: 1.0
+        :type treansition_seconds: float
+        """
+
 
         def _initialize_light_attrs(lights):
             if animation == self.Animation.COLOR_TRANSITION:

platypush/plugins/midi.py

@@ -7,14 +7,23 @@ from platypush.plugins import Plugin
 
 class MidiPlugin(Plugin):
     """
-    Virtual MIDI controller plugin.
+    Virtual MIDI controller plugin. It allows you to send custom MIDI messages
-    It requires python-rtmidi - https://pypi.org/project/python-rtmidi/
+    to any connected devices.
+
+    Requires:
+
+        * **python-rtmidi** (``pip install python-rtmidi``)
     """
 
     _played_notes = set()
 
     def __init__(self, device_name='Platypush virtual MIDI output',
                  *args, **kwargs):
+        """
+        :param device_name: MIDI virtual device name (default: *Platypush virtual MIDI output*)
+        :type device_name: str
+        """
+
         super().__init__(*args, **kwargs)
 
         self.device_name = device_name
@@ -32,30 +41,32 @@ class MidiPlugin(Plugin):
 
     def send_message(self, values, *args, **kwargs):
         """
-        Values is expected to be a list containing the MIDI command code and
+        :param values: Values is expected to be a list containing the MIDI command code and the command parameters - see reference at https://ccrma.stanford.edu/~craig/articles/linuxmidi/misc/essenmidi.html
-            the command parameters - see reference at
+        :type values: list[int]
-            https://ccrma.stanford.edu/~craig/articles/linuxmidi/misc/essenmidi.html
 
         Available MIDI commands:
-             0x80    Note Off
+             * ``0x80``    Note Off
-             0x90    Note On
+             * ``0x90``    Note On
-             0xA0    Aftertouch
+             * ``0xA0``    Aftertouch
-             0xB0    Continuous controller
+             * ``0xB0``    Continuous controller
-             0xC0    Patch change
+             * ``0xC0``    Patch change
-             0xD0    Channel Pressure
+             * ``0xD0``    Channel Pressure
-             0xE0    Pitch bend
+             * ``0xE0``    Pitch bend
-             0xF0    Start of system exclusive message
+             * ``0xF0``    Start of system exclusive message
-             0xF1    MIDI Time Code Quarter Frame (Sys Common)
+             * ``0xF1``    MIDI Time Code Quarter Frame (Sys Common)
-             0xF2    Song Position Pointer (Sys Common)
+             * ``0xF2``    Song Position Pointer (Sys Common)
-             0xF3    Song Select
+             * ``0xF3``    Song Select
-             0xF6    Tune Request (Sys Common)
+             * ``0xF6``    Tune Request (Sys Common)
-             0xF7    End of system exclusive message
+             * ``0xF7``    End of system exclusive message
-             0xF8    Timing Clock (Sys Realtime)
+             * ``0xF8``    Timing Clock (Sys Realtime)
-             0xFA    Start (Sys Realtime)
+             * ``0xFA``    Start (Sys Realtime)
-             0xFB    Continue (Sys Realtime)
+             * ``0xFB``    Continue (Sys Realtime)
-             0xFC    Stop (Sys Realtime)
+             * ``0xFC``    Stop (Sys Realtime)
-             0xFE    Active Sensing (Sys Realtime)
+             * ``0xFE``    Active Sensing (Sys Realtime)
-             0xFF    System Reset (Sys Realtime)
+             * ``0xFF``    System Reset (Sys Realtime)
+
+        :param args: Extra args that will be passed to ``rtmidi.send_message``
+        :param kwargs: Extra kwargs that will be passed to ``rtmidi.send_message``
         """
 
         self.midiout.send_message(values, *args, **kwargs)
@@ -64,11 +75,16 @@ class MidiPlugin(Plugin):
 
     def play_note(self, note, velocity, duration=0):
         """
-        Params:
+        Play a note with selected velocity and duration.
-            - note: MIDI note in range 0-127 with #60 = C4
+
-            - velocity: MIDI note velocity in range 0-127
+        :param note: MIDI note in range 0-127 with #60 = C4
-            - duration: Note duration in (float) seconds. Pass 0 if you don't
+        :type note: int
-              want the note to get off
+
+        :param velocity: MIDI note velocity in range 0-127
+        :type velocity: int
+
+        :param duration: Note duration in seconds. Pass 0 if you don't want the note to get off
+        :type duration: float
         """
 
         self.send_message([0x90, note, velocity])  # Note on
@@ -81,14 +97,26 @@ class MidiPlugin(Plugin):
 
 
     def release_note(self, note):
+        """
+        Release a played note.
+
+        :param note: MIDI note in range 0-127 with #60 = C4
+        :type note: int
+        """
+
         self.send_message([0x80, note, 0])  # Note off
         self._played_notes.remove(note)
 
 
     def release_all_notes(self):
+        """
+        Release all the notes being played.
+        """
+
         played_notes = self._played_notes.copy()
         for note in played_notes:
             self.release_note(note)
 
+
 # vim:sw=4:ts=4:et:
 

platypush/plugins/mqtt.py

@@ -7,7 +7,27 @@ from platypush.plugins import Plugin
 
 
 class MqttPlugin(Plugin):
+    """
+    This plugin allows you to send custom message to a message queue compatible
+    with the MQTT protocol, see http://mqtt.org/
+    """
+
     def send_message(self, topic, msg, host, port=1883, *args, **kwargs):
+        """
+        Sends a message to a topic/channel.
+
+        :param topic: Topic/channel where the message will be delivered
+        :type topic: str
+
+        :param msg: Message to be sent. It can be a list, a dict, or a Message object
+
+        :param host: MQTT broker hostname/IP
+        :type host: str
+
+        :param port: MQTT broker port (default: 1883)
+        :type port: int
+        """
+
         try: msg = json.dumps(msg)
         except: pass
 

platypush/plugins/music/mpd/__init__.py

@@ -6,12 +6,27 @@ from platypush.message.response import Response
 from .. import MusicPlugin
 
 class MusicMpdPlugin(MusicPlugin):
-    def __init__(self, host, port):
     """
-        Constructor
+    This plugin allows you to interact with an MPD/Mopidy music server.  MPD
-        Params:
+    (https://www.musicpd.org/) is a flexible server-side protocol/application
-            host -- MPD host
+    for handling music collections and playing music, mostly aimed to manage
-            port -- MPD port
+    local libraries. Mopidy (https://www.mopidy.com/) is an evolution of MPD,
+    compatible with the original protocol and with support for multiple music
+    sources through plugins (e.g. Spotify, TuneIn, Soundcloud, local files
+    etc.).
+
+    Requires:
+
+        * **python-mpd2** (``pip install python-mpd2``)
+    """
+
+    def __init__(self, host, port=6600):
+        """
+        :param host: MPD IP/hostname
+        :type host: str
+
+        :param port: MPD port (default: 6600)
+        :type port: int
         """
 
         self.host = host
@@ -24,50 +39,95 @@ class MusicMpdPlugin(MusicPlugin):
         return self.status()
 
     def play(self, resource=None):
+        """
+        Play a resource by path/URI
+
+        :param resource: Resource path/URI
+        :type resource: str
+        """
+
         if resource:
             self.clear()
             self.add(resource)
         return self._exec('play')
 
     def play_pos(self, pos):
+        """
+        Play a track in the current playlist by position number
+
+        :param pos: Position number
+        :type resource: int
+        """
+
         return self._exec('play', pos)
 
     def pause(self):
+        """ Pause playback """
+
         status = self.status().output['state']
         if status == 'play': return self._exec('pause')
         else: return self._exec('play')
 
     def pause_if_playing(self):
+        """ Pause playback only if it's playing """
+
         status = self.status().output['state']
         if status == 'play': return self._exec('pause')
         else: return Response(output={})
 
     def play_if_paused(self):
+        """ Play only if it's paused (resume) """
+
         status = self.status().output['state']
         if status == 'pause': return self._exec('play')
         else: return Response(output={})
 
     def stop(self):
+        """ Stop playback """
+
         return self._exec('stop')
 
     def play_or_stop(self):
+        """ Play or stop (play state toggle) """
         status = self.status().output['state']
         if status == 'play': return self._exec('stop')
         else: return self._exec('play')
 
     def playid(self, track_id):
+        """
+        Play a track by ID
+
+        :param track_id: Track ID
+        :type track_id: str
+        """
+
         return self._exec('playid', track_id)
 
     def next(self):
+        """ Play the next track """
         return self._exec('next')
 
     def previous(self):
+        """ Play the previous track """
         return self._exec('previous')
 
     def setvol(self, vol):
+        """
+        Set the volume
+
+        :param vol: Volume value (range: 0-100)
+        :type vol: int
+        """
         return self._exec('setvol', vol)
 
     def volup(self, delta=10):
+        """
+        Turn up the volume
+
+        :param delta: Volume up delta (default: +10%)
+        :type delta: int
+        """
+
         volume = int(self.status().output['volume'])
         new_volume = volume+delta
         if new_volume <= 100:
@@ -75,6 +135,13 @@ class MusicMpdPlugin(MusicPlugin):
         return self.status()
 
     def voldown(self, delta=10):
+        """
+        Turn down the volume
+
+        :param delta: Volume down delta (default: -10%)
+        :type delta: int
+        """
+
         volume = int(self.status().output['volume'])
         new_volume = volume-delta
         if new_volume >= 0:
@@ -82,40 +149,125 @@ class MusicMpdPlugin(MusicPlugin):
         return self.status()
 
     def random(self, value=None):
+        """
+        Set shuffle mode
+
+        :param value: If set, set the random/shuffle state this value (true/false). Default: None (toggle current state)
+        :type value: bool
+        """
+
         if value is None:
             value = int(self.status().output['random'])
             value = 1 if value == 0 else 0
         return self._exec('random', value)
 
     def repeat(self, value=None):
+        """
+        Set repeat mode
+
+        :param value: If set, set the repeat state this value (true/false). Default: None (toggle current state)
+        :type value: bool
+        """
+
         if value is None:
             value = int(self.status().output['repeat'])
             value = 1 if value == 0 else 0
         return self._exec('repeat', value)
 
     def add(self, resource):
+        """
+        Add a resource (track, album, artist, folder etc.) to the current playlist
+
+        :param resource: Resource path or URI
+        :type resource: str
+        """
+
         return self._exec('add', resource)
 
     def load(self, playlist):
+        """
+        Load and play a playlist by name
+
+        :param playlist: Playlist name
+        :type playlist: str
+        """
+
         self._exec('load', playlist)
         return self.play()
 
     def clear(self):
+        """ Clear the current playlist """
         return self._exec('clear')
 
     def seekcur(self, value):
+        """
+        Seek to the specified position
+
+        :param value: Seek position in seconds, or delta string (e.g. '+15' or '-15') to indicate a seek relative to the current position
+        :type value: int
+        """
+
         return self._exec('seekcur', value)
 
     def forward(self):
+        """ Go forward by 15 seconds """
+
         return self._exec('seekcur', '+15')
 
     def back(self):
+        """ Go backward by 15 seconds """
+
         return self._exec('seekcur', '-15')
 
     def status(self):
+        """
+        :returns: The current state.
+
+        Example response::
+
+            output = {
+                "volume": "9",
+                "repeat": "0",
+                "random": "0",
+                "single": "0",
+                "consume": "0",
+                "playlist": "52",
+                "playlistlength": "14",
+                "xfade": "0",
+                "state": "play",
+                "song": "9",
+                "songid": "3061",
+                "nextsong": "10",
+                "nextsongid": "3062",
+                "time": "161:255",
+                "elapsed": "161.967",
+                "bitrate": "320"
+            }
+        """
+
         return Response(output=self.client.status())
 
     def currentsong(self):
+        """
+        :returns: The currently played track.
+
+        Example response::
+
+            output = {
+                "file": "spotify:track:7CO5ADlDN3DcR2pwlnB14P",
+                "time": "255",
+                "artist": "Elbow",
+                "album": "Little Fictions",
+                "title": "Kindling",
+                "date": "2017",
+                "track": "10",
+                "pos": "9",
+                "id": "3061",
+                "albumartist": "Elbow",
+                "x-albumuri": "spotify:album:6q5KhDhf9BZkoob7uAnq19"
+            }
+        """
+
         track = self.client.currentsong()
         if 'title' in track and ('artist' not in track
                                  or not track['artist']
@@ -128,20 +280,96 @@ class MusicMpdPlugin(MusicPlugin):
         return Response(output=track)
 
     def playlistinfo(self):
+        """
+        :returns: The tracks in the current playlist as a list of dicts.
+
+        Example output::
+
+            output = [
+                {
+                    "file": "spotify:track:79VtgIoznishPUDWO7Kafu",
+                    "time": "355",
+                    "artist": "Elbow",
+                    "album": "Little Fictions",
+                    "title": "Trust the Sun",
+                    "date": "2017",
+                    "track": "3",
+                    "pos": "10",
+                    "id": "3062",
+                    "albumartist": "Elbow",
+                    "x-albumuri": "spotify:album:6q5KhDhf9BZkoob7uAnq19"
+                },
+                {
+                    "file": "spotify:track:3EzTre0pxmoMYRuhJKMHj6",
+                    "time": "219",
+                    "artist": "Elbow",
+                    "album": "Little Fictions",
+                    "title": "Gentle Storm",
+                    "date": "2017",
+                    "track": "2",
+                    "pos": "11",
+                    "id": "3063",
+                    "albumartist": "Elbow",
+                    "x-albumuri": "spotify:album:6q5KhDhf9BZkoob7uAnq19"
+                },
+            ]
+        """
+
         return Response(output=self.client.playlistinfo())
 
     def listplaylists(self):
+        """
+        :returns: The playlists available on the server as a list of dicts.
+
+        Example response::
+
+            output = [
+                {
+                    "playlist": "Rock",
+                    "last-modified": "2018-06-25T21:28:19Z"
+                },
+                {
+                    "playlist": "Jazz",
+                    "last-modified": "2018-06-24T22:28:29Z"
+                },
+                {
+                    # ...
+                }
+            ]
+        """
+
         return Response(output=sorted(self.client.listplaylists(),
                                       key=lambda p: p['playlist']))
 
     def lsinfo(self, uri=None):
+        """
+        Returns the list of playlists and directories on the server
+        """
+
         output = self.client.lsinfo(uri) if uri else self.client.lsinfo()
         return Response(output=output)
 
     def plchanges(self, version):
+        """
+        Show what has changed on the current playlist since a specified playlist
+        version number.
+
+        :param version: Version number
+        :type version: int
+
+        :returns: A list of dicts representing the songs being added since the specified version
+        """
+
         return Response(output=self.client.plchanges(version))
 
     def searchaddplaylist(self, name):
+        """
+        Search and add a playlist by (partial or full) name
+
+        :param name: Playlist name, can be partial
+        :type name: str
+        """
+
         playlists = list(map(lambda _: _['playlist'],
                         filter(lambda playlist:
                                name.lower() in playlist['playlist'].lower(),
@@ -156,14 +384,38 @@ class MusicMpdPlugin(MusicPlugin):
         return Response(output={})
 
     def find(self, filter, *args, **kwargs):
+        """
+        Find in the database/library by filter.
+
+        :param filter: Search filter. MPD treats it as a key-valued list (e.g. ``["artist", "Led Zeppelin", "album", "IV"]``)
+        :type filter: list[str]
+        :returns: list[dict]
+        """
+
         return Response(
             output=self.client.find(*filter, *args, **kwargs))
 
     def findadd(self, filter, *args, **kwargs):
+        """
+        Find in the database/library by filter and add to the current playlist.
+
+        :param filter: Search filter. MPD treats it as a key-valued list (e.g. ``["artist", "Led Zeppelin", "album", "IV"]``)
+        :type filter: list[str]
+        :returns: list[dict]
+        """
+
         return Response(
             output=self.client.findadd(*filter, *args, **kwargs))
 
     def search(self, filter, *args, **kwargs):
+        """
+        Free search by filter.
+
+        :param filter: Search filter. MPD treats it as a key-valued list (e.g. ``["artist", "Led Zeppelin", "album", "IV"]``)
+        :type filter: list[str]
+        :returns: list[dict]
+        """
+
         items = self.client.search(*filter, *args, **kwargs)
 
         # Spotify results first
@@ -173,6 +425,14 @@ class MusicMpdPlugin(MusicPlugin):
         return Response(output=items)
 
     def searchadd(self, filter, *args, **kwargs):
+        """
+        Free search by filter and add the results to the current playlist.
+
+        :param filter: Search filter. MPD treats it as a key-valued list (e.g. ``["artist", "Led Zeppelin", "album", "IV"]``)
+        :type filter: list[str]
+        :returns: list[dict]
+        """
+
         return Response(
             output=self.client.searchadd(*filter, *args, **kwargs))