Easily create a musical fingerprint from an MP3 and submit it to AcoustId with musicbrainz recording id (must be embedded in MP3).

submit_acoustid_fingerprint.py

import acoustid # the library for creating the fingerprints
import urllib.request # for sending the request to AcoustId's server
from mutagen.id3 import ID3 # for extracting the musicbrainz recording id

def main():
    api_key = YOUR_API_KEY # find it at https://acoustid.org/api-key
    path = '/path/to/directory/of/music'
    songs = ['song1.mp3', 'anothersong.mp3'] # an array of the songs in that path
    paths = [path + song for song in songs]
    for i,song in enumerate(paths):
        print('Submitting song) %i'%i)
        submit_fingerprint(api_key, song)

def submit_fingerprint(api_key, path):
    duration, fprint = acoustid.fingerprint_file(path)
    mbid = get_musicbrainz_recording_id(ID3(path))
    # build the request for acoustid's web service API. for more info, check out https://acoustid.org/webservice
    url = 'http://api.acoustid.org/v2/submit?client=Cem7sCuJSAI' # this is the web API key listed in the docs. you should probably register your own app
    url += '&user=' + api_key
    url += '&duration.0='+str(int(duration))
    url += '&fingerprint.0=' + fprint.decode('utf-8')
    url += '&mbid.0=' + mbid
    # send the request
    r = urllib.request.urlopen(url)
    print('Submitted.')

def get_musicbrainz_recording_id(id3):
    # the mp3's are assumed to have the recording id embedded in them.
    # this can easily be done by importing your music to beets (https://github.com/beetbox/beets)
    return id3.getall('UFID')[0].data.decode('utf-8')

if __name__ == '__main__':
    main()