#! /usr/bin/env python def array_from_text_file(filename, dtype = 'float'):    import os.path    from numpy import array    filename = os.path.join(os.path.dirname(__file__), filename)    return array([line.split() for line in open(filename).readlines()],        dtype = dtype) def list_all_sounds(rel_dir):    import os.path, glob    datadir = os.path.join(os.path.dirname(__file__), rel_dir)    return glob.glob(os.path.join(datadir,'*.*')) def get_default_test_sound(TestCase, rel_dir = 'sounds'):    all_sounds = list_all_sounds(rel_dir)    if len(all_sounds) == 0:        TestCase.skipTest("please add some sounds in \'python/tests/sounds\'")    else:        return all_sounds[0] def get_tmp_sink_path():    from tempfile import mkstemp    import os    fd, path = mkstemp()    os.close(fd)    return path def del_tmp_sink_path(path):    import os    os.unlink(path) def array_from_yaml_file(filename):    import yaml    f = open(filename)    yaml_data = yaml.safe_load(f)    f.close()    return yaml_data def count_samples_in_file(file_path):    from aubio import source    hopsize = 256    s = source(file_path, 0, hopsize)    total_frames = 0    while True:        samples, read = s()        total_frames += read        if read < hopsize: break    return total_frames def count_samples_in_directory(samples_dir):    import os    total_frames = 0    for f in os.walk(samples_dir):        if len(f[2]):            for each in f[2]:                file_path = os.path.join(f[0], each)                if file_path:                    total_frames += count_samples_in_file(file_path)    return total_frames def count_files_in_directory(samples_dir):    import os    total_files = 0    for f in os.walk(samples_dir):        if len(f[2]):            for each in f[2]:                file_path = os.path.join(f[0], each)                if file_path:                    total_files += 1    return total_files