python smart audio looper

smartloop.py

#!/usr/bin/env python
import os
import librosa
import random
import pyaudio
import numpy as np
import time
p = pyaudio.PyAudio()

# Open stream with correct settings
stream = p.open(format=pyaudio.paFloat32,
                channels=1,
                rate=44100,
                output=True
                )

# open and list directory
path = 'corpus/'
files = os.listdir(path)
for name in files:
    # load the file, take a 1s snip of it
    y, sr = librosa.core.load(
        path+name, offset=random.random()*150, duration=3, sr=44100)

    # use BPM to isolate a single segment of it
    tempo, beats = librosa.beat.beat_track(y, sr, units='samples')
    print("bpm:{0}".format(tempo))
    print(beats)
    # try:
    y2 = y[beats[1]:beats[2]]
    y3 = np.tile(y2, 10)
    # play it
    # Assuming you have a numpy array called samples
    data = y3.astype(np.float32).tostring()
    stream.write(data)
    # close the file
    # free the audio
    print("playyy")
    # except