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README.rst

Python samples for the Google Assistant library

This repository contains a reference sample for the google-assistant-library Python package.

It demonstrates: - Initialization of the Assistant - Basic event handling including hotword detection.

Prerequisites

Setup

  • Install Python 3

    • Ubuntu/Debian GNU/Linux:

      sudo apt-get update
      sudo apt-get install python3 python3-venv
      
  • Create a new virtual environment (recommended):

    python3 -m venv env
    env/bin/python -m pip install --upgrade pip setuptools wheel
    source env/bin/activate
    

Authorization

Run the sample

  • Install the sample dependencies using pip:

    pip install --upgrade -r requirements.txt
    
  • Run the hotword sample. The sample waits for the "Ok Google" hotword, then records a voice query and plays back the Google Assistant's answer:

    python -m hotword --device_model_id 'my-model-identifier'
    

Troubleshooting

  • If audio is not working, verify the ALSA setup:

    # Play a test sound
    speaker-test -t wav
    
    # Record and play back some audio using ALSA command-line tools
    arecord --format=S16_LE --duration=5 --rate=16000 --file-type=raw out.raw
    aplay --format=S16_LE --rate=16000 --file-type=raw out.raw
    

See also the troubleshooting section of the official documentation.

License

Copyright (C) 2017 Google Inc.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.