Added ``hash`` property to ``AudioFile``.

src/apollon/audio.py

@@ -10,6 +10,7 @@ Functions:
     fti16        Cast float to int16.
     load_audio   Load .wav file.
 """
+import hashlib
 import pathlib
 
 import matplotlib.pyplot as plt
@@ -40,6 +41,12 @@ class AudioFile:
         """Return source file name."""
         return self._path.name
 
+    @property
+    def hash(self) -> str:
+        """Compute sha256 hash."""
+        obj = hashlib.sha256(self.data.tobytes())
+        return obj.hexdigest()
+
     @property
     def n_channels(self) -> int:
         """Return number of channels."""

tests/test_audio.py

@@ -10,6 +10,11 @@ class TestAudioFile(unittest.TestCase):
     def test_path_is_sting(self):
         self.assertIsInstance(self.snd.file_name, str)
 
+    def test_hash(self):
+        snd2 = AudioFile('audio/beat.wav')
+        self.assertEqual(self.snd.hash, snd2.hash)
+
+
 class TestAudioFileReadMono(unittest.TestCase):
     def setUp(self):
         self.snd = AudioFile('audio/beat.wav')