def test_read_existing_single_mp3():
'''
reading an existing MP3 through the read_single_wav
should raise ValueError
'''
with pytest.raises(ValueError):
wbr.read_single_wav(EXISTING_SINGLE_MP3)
def test_read_nonexisting_single_wav():
'''
reading a non-existing wav file through the read_single_wav
should raise IOError
'''
with pytest.raises(FileNotFoundError):
wbr.read_single_wav(NON_EXISTING_SINGLE_WAV)
def iter_list_mp3(file_paths, save_to_dir=None):
'''
if save_to_dir is None, the intermediates will be deleted,
after the list has been iterated over
'''
delete_intermediates = False
if save_to_dir is None:
delete_intermediates = True
save_to_dir = os.path.dirname(file_paths[0]) + os.sep + "wav_temp"
# FIXME: @motjuste: if the first file in the list does not exist
paths_to_wavs = []
for fp in file_paths:
paths_to_wavs.append(convert_single_mp3ToWav(fp, save_to_dir))
yield wbr.read_single_wav(paths_to_wavs[-1], orig_file_path=fp)
if delete_intermediates:
for w in paths_to_wavs:
os.remove(w)
try:
os.rmdir(save_to_dir)
except OSError:
print(save_to_dir, " was not deleted")
print("Probably existing from previous run")
print("Delete Manually")
def test_read_single_wav_samplingFreq():
'''
result of reading an existing WAV has sampling frequency
EXISTING_SINGLE_WAV above has known sampling freq of 44100
'''
result = wbr.read_single_wav(EXISTING_SINGLE_WAV)
assert result["sampling_frequency"] == 44100
def read_single_mp3(file_path, save_to_dir=None):
'''
Reads single mp3, converts to wav, then reads it using wavBasicRead
if save_to_dir is None, the intermediate wav file is deleted
'''
delete_intermediate = False
if save_to_dir is None:
delete_intermediate = True
save_to_dir = os.path.dirname(file_path) + os.sep + "wav_temp"
path_to_wav = convert_single_mp3ToWav(file_path, save_to_dir)
read_wav = wbr.read_single_wav(path_to_wav, orig_file_path=file_path)
if delete_intermediate:
os.remove(path_to_wav)
try:
os.rmdir(save_to_dir)
except OSError:
print(save_to_dir, " was not deleted")
print("Probably existing from previous run")
print("Delete Manually")
return read_wav
def test_read_existing_single_wav():
'''
reading an existing wav file through the read_single_wav
should not raise exception
'''
wbr.read_single_wav(EXISTING_SINGLE_WAV)
