midi player in python using pygame

https://www.daniweb.com/programming/software-development/code/216979/embed-and-play-midi-music-in-your-code-python

#Note: The script below creates a midi file per data included as string and plays it
==== File in memory based
#!/usr/bin/env python

""" PG_MidiBase64_py23.py
experiments with module pygame from: http://www.pygame.org/
play an embedded midi music file (base64 encoded)
use this short program to create the base64 encoded midi music string
(base64 encoding simply produces a readable string from binary data)
then copy and paste the result into your pygame program
Python2 code ...
import base64
mid_file = "FishPolka.mid"
b64_str = base64.encodestring(open(mid_file, 'rb').read())
print("mid64='''\\\n" + b64_str + "'''")
Python3 code ...
import base64
mid_file = "FishPolka.mid"
b64_str = base64.encodestring(open(mid_file, 'rb').read()).decode("utf8")
print("mid64='''\\\n" + b64_str + "'''")
updated to work with Python2 and Python3 by  vegaseat  16may2013
"""
import pygame
import base64
import io
def play_music(music_file):
    """
    stream music with mixer.music module in blocking manner
    this will stream the sound from disk while playing
    """
    pygame.mixer.music.load(music_file)
    clock = pygame.time.Clock()
    pygame.mixer.music.play()
    # check if playback has finished
    while pygame.mixer.music.get_busy():
        clock.tick(30)
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'''
# create a memory file object
try:
    # Python27
    midi_str = base64.b64decode(mid64)
    music_file = io.BytesIO(midi_str)
except TypeError:
    # Python3
    midi_bytes = base64.b64decode(mid64.encode())
    music_file = io.BytesIO(midi_bytes)
freq = 44100    # audio CD quality
bitsize = -16   # unsigned 16 bit
channels = 2    # 1 is mono, 2 is stereo
buffer = 1024   # number of samples
pygame.mixer.init(freq, bitsize, channels, buffer)
# optional volume 0 to 1.0
pygame.mixer.music.set_volume(0.8)
try:
    # use the midi file object from memory
    play_music(music_file)
except KeyboardInterrupt:
    # if user hits Ctrl/C then exit
    # (works only in console mode)
    pygame.mixer.music.fadeout(1000)
    pygame.mixer.music.stop()
    raise SystemExit

===== File based
#!/usr/bin/env python

# play an embedded midi music file on your computer's sound card
# experiments with module pygame from: http://www.pygame.org/
# tested with Python25 and PyGame171      vegaseat      04sep2007
"""
# use this short program to create the base64 encoded midi music string
# (base64 encoding simply produces a readable string from binary data)
# then copy and paste the result into your pygame program ...
import base64
mid_file = "FishPolka.mid"
print "mid64='''\\\n" + base64.encodestring(open(mid_file, 'rb').read()) + "'''"
"""
import pygame
import base64
def play_music(music_file):
    """
    stream music with mixer.music module in blocking manner
    this will stream the sound from disk while playing
    """
    clock = pygame.time.Clock()
    try:
        pygame.mixer.music.load(music_file)
        print "Music file %s loaded!" % music_file
    except pygame.error:
        print "File %s not found! (%s)" % (music_file, pygame.get_error())
        return
    pygame.mixer.music.play()
    while pygame.mixer.music.get_busy():
        # check if playback has finished
        clock.tick(30)
mid64='''\
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'''
music_file = "FishPolka.mid"
# convert back to a binary midi and save to a file in the working directory
fish = base64.b64decode(mid64)
fout = open(music_file,"wb")
fout.write(fish)
fout.close()
freq = 44100    # audio CD quality
bitsize = -16   # unsigned 16 bit
channels = 2    # 1 is mono, 2 is stereo
buffer = 1024    # number of samples
pygame.mixer.init(freq, bitsize, channels, buffer)
# optional volume 0 to 1.0
pygame.mixer.music.set_volume(0.8)
try:
    # use the midi file you just saved
    play_music(music_file)
except KeyboardInterrupt:
    # if user hits Ctrl/C then exit
    # (works only in console mode)
    pygame.mixer.music.fadeout(1000)
    pygame.mixer.music.stop()
    raise SystemExit