Removed `backend.sensor.ir.zeroborg`.

That code is very old and broken, and it covers a very marginal feature
(events from the IR sensor of a Zeroborg board) that can be easily
covered by any general-purpose IR sensors.

docs/source/backends.rst

@@ -15,7 +15,6 @@ Backends
     platypush/backend/music.spotify.rst
     platypush/backend/nodered.rst
     platypush/backend/redis.rst
-    platypush/backend/sensor.ir.zeroborg.rst
     platypush/backend/stt.deepspeech.rst
     platypush/backend/stt.picovoice.hotword.rst
     platypush/backend/stt.picovoice.speech.rst

docs/source/platypush/backend/sensor.ir.zeroborg.rst

@@ -1,6 +0,0 @@
-``sensor.ir.zeroborg``
-========================================
-
-.. automodule:: platypush.backend.sensor.ir.zeroborg
-    :members:
-

platypush/backend/sensor/ir/zeroborg/__init__.py

@@ -1,61 +0,0 @@
-import time
-
-from platypush.backend import Backend
-from platypush.message.event.sensor.ir import IrKeyUpEvent, IrKeyDownEvent
-
-
-class SensorIrZeroborgBackend(Backend):
-    """
-    This backend will read for events on the infrared sensor of a ZeroBorg
-    (https://www.piborg.org/motor-control-1135/zeroborg) circuitry for
-    Raspberry Pi. You can see the codes associated to an IR event from any
-    remote by running the scan utility::
-
-        python -m platypush.backend.sensor.ir.zeroborg.scan
-    """
-
-    last_message = None
-    last_message_timestamp = None
-
-    def __init__(self, no_message_timeout=0.37, **kwargs):
-        import platypush.plugins.gpio.zeroborg.lib as ZeroBorg
-
-        super().__init__(**kwargs)
-        self.no_message_timeout = no_message_timeout
-        self.zb = ZeroBorg.ZeroBorg()
-        self.zb.Init()
-        self.logger.info('Initialized Zeroborg infrared sensor backend')
-
-    def run(self):
-        super().run()
-
-        while not self.should_stop():
-            try:
-                self.zb.GetIrMessage()
-                if self.zb.HasNewIrMessage():
-                    message = self.zb.GetIrMessage()
-                    if message != self.last_message:
-                        self.logger.info(
-                            'Received key down event on the IR sensor: %s', message
-                        )
-                        self.bus.post(IrKeyDownEvent(message=message))
-
-                    self.last_message = message
-                    self.last_message_timestamp = time.time()
-            except OSError as e:
-                self.logger.warning(
-                    'Failed reading IR sensor status: %s: %s', type(e), e
-                )
-
-            if (
-                self.last_message_timestamp
-                and time.time() - self.last_message_timestamp > self.no_message_timeout
-            ):
-                self.logger.info('Received key up event on the IR sensor')
-                self.bus.post(IrKeyUpEvent(message=self.last_message))
-
-                self.last_message = None
-                self.last_message_timestamp = None
-
-
-# vim:sw=4:ts=4:et:

platypush/backend/sensor/ir/zeroborg/manifest.yaml

@@ -1,8 +0,0 @@
-manifest:
-  events:
-    platypush.message.event.sensor.ir.IrKeyDownEvent: when a key is pressed
-    platypush.message.event.sensor.ir.IrKeyUpEvent: when a key is released
-  install:
-    pip: []
-  package: platypush.backend.sensor.ir.zeroborg
-  type: backend

platypush/backend/sensor/ir/zeroborg/scan.py

@@ -1,23 +0,0 @@
-import time
-
-import platypush.plugins.gpio.zeroborg.lib as ZeroBorg
-
-no_msg_timeout = 0.37
-last_msg = None
-last_msg_timestamp = None
-auto_mode = False
-
-ZB = ZeroBorg.ZeroBorg()
-ZB.Init()
-
-while True:
-    ZB.GetIrMessage()
-    if ZB.HasNewIrMessage():
-        message = ZB.GetIrMessage()
-        print('Received message: {}'.format(message))
-
-        last_msg = message
-        last_msg_timestamp = time.time()
-
-# vim:sw=4:ts=4:et:
-