python test m1 (#627)

.github/workflows/python.yml

@@ -50,7 +50,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: ['3.5', '3.6', '3.7', '3.8', '3.9', '3.10']
 
     steps:
     - uses: actions/checkout@v2
@@ -60,16 +60,6 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    - name: Pre-build dependencies specific to Ubuntu
-      if: runner.os == 'Linux'
-      run: sudo apt install libsndfile1-dev
-
-    - name: Pre-build dependencies
-      run: python -m pip install --upgrade pip
-
-    - name: Install dependencies
-      run: pip install -r requirements.txt
-
     - name: Test
       run: python test_porcupine.py ${{secrets.PV_VALID_ACCESS_KEY}}
 
@@ -84,11 +74,5 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Pre-build dependencies
-      run: python3 -m pip install --upgrade pip
-
-    - name: Install dependencies
-      run: pip3 install -r requirements.txt
-
     - name: Test
       run: python3 test_porcupine.py ${{secrets.PV_VALID_ACCESS_KEY}}

binding/python/README.md

@@ -18,7 +18,7 @@ applications. It is
 
 ## Compatibility
 
-- Python 3
+- Python 3.5+
 - Runs on Linux (x86_64), macOS (x86_64 and arm64), Windows (x86_64), Raspberry Pi, NVIDIA Jetson (Nano), and BeagleBone.
 
 ## Installation

binding/python/__init__.py

@@ -1,5 +1,5 @@
 #
-# Copyright 2020-2021 Picovoice Inc.
+# Copyright 2020-2022 Picovoice Inc.
 #
 # You may not use this file except in compliance with the license. A copy of the license is located in the "LICENSE"
 # file accompanying this source.

binding/python/porcupine.py

@@ -1,5 +1,5 @@
 #
-# Copyright 2018-2021 Picovoice Inc.
+# Copyright 2018-2022 Picovoice Inc.
 #
 # You may not use this file except in compliance with the license. A copy of the license is located in the "LICENSE"
 # file accompanying this source.

binding/python/requirements.txt

@@ -1,2 +0,0 @@
-numpy
-soundfile

binding/python/setup.py

@@ -1,5 +1,5 @@
 #
-# Copyright 2019-2021 Picovoice Inc.
+# Copyright 2019-2022 Picovoice Inc.
 #
 # You may not use this file except in compliance with the license. A copy of the license is located in the "LICENSE"
 # file accompanying this source.
@@ -75,7 +75,6 @@ setuptools.setup(
     long_description_content_type="text/markdown",
     url="https://github.com/Picovoice/porcupine",
     packages=["pvporcupine"],
-    install_requires=["enum34", "numpy"],
     include_package_data=True,
     classifiers=[
         "Development Status :: 5 - Production/Stable",
@@ -85,6 +84,6 @@ setuptools.setup(
         "Programming Language :: Python :: 3",
         "Topic :: Multimedia :: Sound/Audio :: Speech"
     ],
-    python_requires='>=3',
+    python_requires='>=3.5',
     keywords="wake word engine, hotword detection, keyword spotting, wake word detection, voice commands",
 )

binding/python/test_porcupine.py

@@ -1,5 +1,5 @@
 #
-# Copyright 2018-2021 Picovoice Inc.
+# Copyright 2018-2022 Picovoice Inc.
 #
 # You may not use this file except in compliance with the license. A copy of the license is located in the "LICENSE"
 # file accompanying this source.
@@ -9,10 +9,10 @@
 # specific language governing permissions and limitations under the License.
 #
 
+import struct
 import sys
 import unittest
-
-import soundfile
+import wave
 
 from porcupine import Porcupine
 from util import *
@@ -23,12 +23,32 @@ class PorcupineTestCase(unittest.TestCase):
     def __append_language(s, language):
         if language == 'en':
             return s
-        return f'{s}_{language}'
+        return "%s_%s" % (s, language)
+
+    @staticmethod
+    def __read_file(file_name, sample_rate):
+        wav_file = wave.open(file_name, mode="rb")
+        channels = wav_file.getnchannels()
+        num_frames = wav_file.getnframes()
+
+        if wav_file.getframerate() != sample_rate:
+            raise ValueError(
+                "Audio file should have a sample rate of %d, got %d" % (sample_rate, wav_file.getframerate()))
+
+        samples = wav_file.readframes(num_frames)
+        wav_file.close()
+
+        frames = struct.unpack('h' * num_frames * channels, samples)
+
+        if channels == 2:
+            print("Picovoice processes single-channel audio but stereo file is provided. Processing left channel only.")
+
+        return frames[::channels]
 
     @classmethod
     def __pv_model_path_by_language(cls, relative, language):
         model_path_subdir = cls.__append_language('lib/common/porcupine_params', language)
-        return os.path.join(os.path.dirname(__file__), relative, f'{model_path_subdir}.pv')
+        return os.path.join(os.path.dirname(__file__), relative, '%s.pv' % model_path_subdir)
 
     @classmethod
     def __pv_keyword_paths_by_language(cls, relative, language):
@@ -45,7 +65,7 @@ class PorcupineTestCase(unittest.TestCase):
     def run_porcupine(self, language, keywords, ground_truth, audio_file_name=None):
         if audio_file_name is None:
             _audio_file_name_prefix = self.__append_language('multiple_keywords', language)
-            audio_file_name = f'{_audio_file_name_prefix}.wav'
+            audio_file_name = '%s.wav' % _audio_file_name_prefix
         keyword_paths = list()
         for x in keywords:
             keyword_paths.append(self.__pv_keyword_paths_by_language('../..', language)[x])
@@ -57,10 +77,9 @@ class PorcupineTestCase(unittest.TestCase):
             keyword_paths=keyword_paths,
             sensitivities=[0.5] * len(keyword_paths))
 
-        audio, sample_rate = soundfile.read(
+        audio = self.__read_file(
             os.path.join(os.path.dirname(__file__), '../../resources/audio_samples/', audio_file_name),
-            dtype='int16')
-        assert sample_rate == porcupine.sample_rate
+            porcupine.sample_rate)
 
         num_frames = len(audio) // porcupine.frame_length
         results = []

binding/python/util.py

@@ -1,5 +1,5 @@
 #
-# Copyright 2020-2021 Picovoice Inc.
+# Copyright 2020-2022 Picovoice Inc.
 #
 # You may not use this file except in compliance with the license. A copy of the license is located in the "LICENSE"
 # file accompanying this source.