65 lines
1.9 KiB
Python
65 lines
1.9 KiB
Python
#!/usr/bin/env python3
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import logging
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import requests
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from sensor import SoundSensor
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from sender import SoundSender
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from preprocessor import SoundPreProcessor
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from .abcsignalprocessor import AbcSignalProcessor
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import os
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from birbnetes_iot_platform_raspberry import BirbnetesIoTPlatformStatusDriver
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"""
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Abstract base class for signalprocessor
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"""
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__author__ = "@tormakris"
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__copyright__ = "Copyright 2020, Birbnetes Team"
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__module_name__ = "soundsignalprocessor"
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__version__text__ = "1"
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class SoundSignalProcessor(AbcSignalProcessor):
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"""
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SoundSignalProcessor class, responsible for handling the sound signal processor pipeline.
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"""
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def __init__(self):
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"""
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Create dependency objects.
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"""
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self.soundsensor = SoundSensor()
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self.soundpreprocessor = SoundPreProcessor()
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self.soundsender = SoundSender()
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def processcurrentsignal(self):
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"""
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Process a sound sample.
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:return:
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"""
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soundsample_name = self.soundsensor.getvalue()
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if not soundsample_name: # No new sample... nothing to do
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return
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try:
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sample_decision = self.soundpreprocessor.preprocesssignal(soundsample_name)
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except Exception as e:
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logging.exception(e)
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BirbnetesIoTPlatformStatusDriver.enqueue_pattern('red', [1, 1, 1])
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os.unlink(soundsample_name)
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return
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if sample_decision:
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BirbnetesIoTPlatformStatusDriver.enqueue_pattern('green', [1, 0, 1])
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try:
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self.soundsender.sendvalue(soundsample_name, sample_decision)
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except (ConnectionError, requests.HTTPError) as e:
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logging.exception(e)
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BirbnetesIoTPlatformStatusDriver.enqueue_pattern('red', [1, 0, 1, 0, 1])
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os.unlink(soundsample_name)
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return
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os.unlink(soundsample_name)
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