Tool to generate music automatically using Markov Chains. Simply pass a Melopy mp file to the script and it will generate a song. Requires Nonsense and Melopy.

composer.py

import sys
from itertools import izip

from melopy import Melopy
from nonsense import StationarySource

if __name__ == "__main__":
    try:
        sample = sys.argv[1] # must not have comments
    except IndexError:
        sample = sys.stdin.read()
        degree = 2
        output = "mysong"
    else:
        try:
            degree = sys.argv[2]
        except IndexError:
            degree = 2
        try:
            output = sys.argv[3]
        except IndexError:
            output = "mysong"
    ss = StationarySource(["".join(sample.split())], int(degree))
    m = Melopy(output)
    print "Generating song..."
    song = "".join([c for c, _ in izip(ss.generate_sequence(), xrange(500))])
    print "Parsng song..."
    m.parse(song)
    m.render()