<commit_before>#!/usr/bin/env python
# -*- encoding: utf-8 -*-

# Disable cache
import os
try:
    os.environ.pop('LIBROSA_CACHE_DIR')
except:
    pass

import librosa
import numpy as np


def test_time_stretch():

    def __test(infile, rate):
        y, sr = librosa.load('data/test1_22050.wav', duration=4.0)
        ys = librosa.effects.time_stretch(y, rate)

        orig_duration = librosa.get_duration(y, sr=sr)
        new_duration = librosa.get_duration(ys, sr=sr)

        # We don't have to be too precise here, since this goes through an STFT
        assert np.allclose(orig_duration, rate * new_duration,
                           rtol=1e-2, atol=1e-3)

    for rate in [0.25, 0.5, 1.0, 2.0, 4.0]:
        yield __test, 'data/test1_22050.wav', rate


def test_hpss():

    y, sr = librosa.load(librosa.util.example_audio_file())

    y_harm, y_perc = librosa.effects.hpss(y)

    Dh = librosa.stft(y_harm)
    Dp = librosa.stft(y_perc)
    D = librosa.stft(y)

    assert np.allclose(D, Dh + Dp, rtol=1e-3, atol=1e-4)


def test_percussive():

    y, sr = librosa.load('data/test1_22050.wav')

    yh1, yp1 = librosa.effects.hpss(y)

    yp2 = librosa.effects.percussive(y)

    assert np.allclose(yp1, yp2)


def test_harmonic():

    y, sr = librosa.load('data/test1_22050.wav')

    yh1, yp1 = librosa.effects.hpss(y)

    yh2 = librosa.effects.harmonic(y)

    assert np.allclose(yh1, yh2)
<commit_msg>relaxed hpss test accuracy requirement in effects<commit_after>#!/usr/bin/env python
# -*- encoding: utf-8 -*-

# Disable cache
import os
try:
    os.environ.pop('LIBROSA_CACHE_DIR')
except:
    pass

import librosa
import numpy as np


def test_time_stretch():

    def __test(infile, rate):
        y, sr = librosa.load('data/test1_22050.wav', duration=4.0)
        ys = librosa.effects.time_stretch(y, rate)

        orig_duration = librosa.get_duration(y, sr=sr)
        new_duration = librosa.get_duration(ys, sr=sr)

        # We don't have to be too precise here, since this goes through an STFT
        assert np.allclose(orig_duration, rate * new_duration,
                           rtol=1e-2, atol=1e-3)

    for rate in [0.25, 0.5, 1.0, 2.0, 4.0]:
        yield __test, 'data/test1_22050.wav', rate


def test_hpss():

    y, sr = librosa.load(librosa.util.example_audio_file())

    y_harm, y_perc = librosa.effects.hpss(y)

    Dh = librosa.stft(y_harm)
    Dp = librosa.stft(y_perc)
    D = librosa.stft(y)

    assert np.allclose(D, Dh + Dp, rtol=1e-3, atol=1e-3)


def test_percussive():

    y, sr = librosa.load('data/test1_22050.wav')

    yh1, yp1 = librosa.effects.hpss(y)

    yp2 = librosa.effects.percussive(y)

    assert np.allclose(yp1, yp2)


def test_harmonic():

    y, sr = librosa.load('data/test1_22050.wav')

    yh1, yp1 = librosa.effects.hpss(y)

    yh2 = librosa.effects.harmonic(y)

    assert np.allclose(yh1, yh2)

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{'dir': 'git-commits-cleaned', 'id': '3910835', 'n_tokens_mistral': 1293, 'n_tokens_neox': 1185, 'n_words': 234}