Best way to verify an mp3 file with python

Question

I have to detect whether a file is a valid mp3 file. So far, I have found two solutions, including:

1. this solution from Peter Carroll

2. using try-catch expression:

try:
    _ = librosa.get_duration(filename=mp3_file_path)
    return True
except:
    return False

Both solutions above work, but may have some drawbacks, the 1st solution seems too complicated while the 2nd solution is too slow(in seconds depending on the length of the audio). So I wonder whether there is a better way to verify an mp3 file with python?

Thanks.

Answer 1

Try eyed3.

In [8]: %timeit eyed3.load("some.mp3").info.time_secs                                                    
1.94 ms ± 43.8 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)

In [10]: %timeit eyed3.load("120mb_video.mp4")                                                        
4.43 ms ± 26.6 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)

Basically, if eyed3.load returns None, the file is not a valid mp3 file. And it runs in 4.5 ms at average for even a 120mb file.