def __remove_commercials(self, output_path):
with utils.temp_file(suffix='.jpg') as temp_picture:
# check whether or not to save picture cover
# function will throw exception if cant identify cover picture properly
save_cover_picture = True
try:
metadata.picture_extract(output_path, temp_picture)
self.logger.debug("Cover picture for file %s being saved to file %s", output_path, temp_picture)
except AudioFileException:
save_cover_picture = False
self.logger.warn("No cover picture found for file %s", output_path)
with utils.temp_file(suffix='.mp3', delete=False) as temp_audio:
self.logger.debug("Generating audio volume list for commercial identify")
volume_list = editor.generate_audio_volume_array(output_path)
self.logger.debug("Gathering commercial data for file %s", output_path)
commercial_intervals, non_commercial_intervals = \
editor.commercial_identify(output_path, volume_list=volume_list)
self.logger.debug("Found commercial intervals %s in file %s, removing commercials",
commercial_intervals, output_path)
self.logger.debug("Writing new audio file %s with non commercial intervals %s",
temp_audio, non_commercial_intervals)
editor.commercial_remove(output_path, temp_audio, non_commercial_intervals, verbose=False)
self.logger.debug("Moving commercial free file %s back to original path %s", temp_audio, output_path)
if save_cover_picture:
self.logger.debug("Reset cover picture on file %s from file %s", temp_audio, temp_picture)
metadata.picture_update(temp_audio, temp_picture)
self.logger.debug("Moving contents of file %s back to correct path %s", temp_audio, output_path)
os.rename(temp_audio, output_path)
# make sure you get the right file size
return os.path.getsize(output_path)
def test_generate_volume_data(self):
length = 12
with test_utils.temp_audio_file(open_data=False, duration=length) as temp_audio:
volume_data = editor.generate_audio_volume_array(temp_audio)
self.assert_length(volume_data, length - 1)
