PyMus/pymus.py at master · oolivero45/PyMus · GitHub

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import winsound
import time
import json

NOTES = {'B6': 1975.53, 'Ab6': 1661.22, 'B1': 61.74, 'D#0': 19.45, 'D1': 36.71, 'C#5': 554.37, 'A#0': 29.14, 'C3': 130.81, 'C#6': 1108.73, 'F#6': 1479.98, 'E1': 41.2, 'G6': 1567.98, 'G3': 196.0, 'Ab3': 207.65, 'Eb6': 1244.51, 'Db1': 34.65, 'D#2': 77.78, 'F#5': 739.99, 'Db2': 69.3, 'G#3': 207.65, 'B4': 493.88, 'Ab0': 25.96, 'C4': 261.63, 'Gb5': 739.99, 'Gb3': 185.0, 'D#8': 4978.03, 'A2': 110.0, 'F#2': 92.5, 'B7': 3951.07, 'G2': 98.0, 'C#0': 17.32, 'G0': 24.5, 'C1': 32.7, 'F7': 2793.83, 'C2': 65.41, 'A0': 27.5, 'F#1': 46.25, 'E0': 20.6, 'B5': 987.77, 'F1': 43.65, 'A5': 880.0, 'Bb1': 58.27, 'F#7': 2959.96, 'A#3': 233.08, 'G7': 3135.96, 'D7': 2349.32, 'A6': 1760.0, 'Bb2': 116.54, 'B0': 30.87, 'Gb4': 369.99, 'Eb4': 311.13, 'C6': 1046.5, 'F2': 87.31, 'G#6': 1661.22, 'Db6': 1108.73, 'Gb0': 23.12, 'Bb6': 1864.66, 'Gb7': 2959.96, 'G#1': 51.91, 'A1': 55.0, 'E6': 1318.51, 'Bb5': 932.33, 'Bb7': 3729.31, 'F#0': 23.12, 'C#2': 69.3, 'F3': 174.61, 'Eb3': 155.56, 'B3': 246.94, 'Bb0': 29.14, 'A3': 220.0, 'Db8': 4434.92, 'G#7': 3322.44, 'E5': 659.26, 'Ab5': 830.61, 'A#1': 58.27, 'C0': 16.35, 'C8': 4186.01, 'E7': 2637.02, 'C#8': 4434.92, 'Gb2': 92.5, 'C7': 2093.0, 'D#5': 622.25, 'Db5': 554.37, 'Eb7': 2489.02, 'F#4': 369.99, 'C#7': 2217.46, 'D6': 1174.66, 'Db4': 277.18, 'D3': 146.83, 'F#3': 185.0, 'D4': 293.66, 'Db7': 2217.46, 'E2': 82.41, 'G4': 392.0, 'D0': 18.35, 'D#1': 38.89, 'Eb0': 19.45, 'F6': 1396.91, 'C#3': 138.59, 'F5': 698.46, 'D#4': 311.13, 'C#4': 277.18, 'D2': 73.42, 'Db0': 17.32, 'Gb6': 1479.98, 'Db3': 138.59, 'D#6': 1244.51, 'A#5': 932.33, 'Ab1': 51.91, 'Eb8': 4978.03, 'Eb1': 38.89, 'Eb5': 622.25, 'C5': 523.25, 'E3': 164.81, 'A#7': 3729.31, 'G1': 49.0, 'Eb2': 77.78, 'A#6': 1864.66, 'A4': 440.0, 'Ab4': 415.3, 'C#1': 34.65, 'Ab2': 103.83, 'G#0': 25.96, 'Gb1': 46.25, 'E4': 329.63, 'D#7': 2489.02, 'A#4': 466.16, 'D5': 587.33, 'D#3': 155.56, 'Bb3': 233.08, 'B2': 123.47, 'A7': 3520.0, 'G5': 783.99, 'F4': 349.23, 'Ab7': 3322.44, 'A#2': 116.54, 'Bb4': 466.16, 'G#5': 830.61, 'G#2': 103.83, 'D8': 4698.64, 'F0': 21.83, 'G#4': 415.3}

def getNote(note):
    """Convert a note into a frequency."""
    found = NOTES.get(note, False)
    if found == False:
        return False
    else:
        return int(found)

def playNote(note, length=250):
    """Convert a note into a frequency, then play it."""
    found = getNote(note.upper())
    if found == False:
        return False
    else:
        winsound.Beep(found, length)

def readPyMus(file):
    """Read data out of a PyMus file."""
    f = open(file, "r")
    name = f.readline().replace("NAME=","").replace("\n","")
    beatlength = int(f.readline().replace("BEATLENGTH=","").replace("\n",""))
    f.readline()
    readlines = f.readlines()
    lines = []
    for i in range(0, len(readlines)):
        lines.append(readlines[i].replace("\n","").split(" "))
    return [name, beatlength, lines]

def parsePyMus(text):
    """Read data from a PyMus string."""
    textlines = text.split("\n")
    name = textlines[0].replace("NAME=","").replace("\n","")
    beatlength = int(textlines[1].replace("BEATLENGTH=","").replace("\n",""))
    lines = []
    readlines = textlines[2:]
    for i in range(0, len(readlines)):
        lines.append(readlines[i].replace("\n","").split(" "))
    return [name, beatlength, lines]

def parseJSON(name, JSON):
    """Convert JSON representation of a MIDI file to PyMus."""
    string = json.loads(JSON)
    noteTrack = 0
    previousTime = 0
    trackTime = 0
    for i in range(0, len(string.get("tracks"))):
        if len(string.get("tracks")[i].get("notes")) > 0:
            noteTrack = i
            break
    notes = string.get("tracks")[noteTrack].get("notes")
    pyMus = "NAME=" + name + "\nBEATLENGTH=1" + "\nSTART\n"
    for i in range(0, len(notes)):
        notename = notes[i].get("name")
        duration = int(round(notes[i].get("duration") * 1000))
        timediff = (notes[i].get("time") * 1000) - (previousTime + (notes[i].get("duration") * 1000))
        if timediff >= 100:
            pyMus += "- " + str(round(timediff)) + "\n"
        pyMus += notename + " " + str(duration) + "\n"
        previousTime = int(round(notes[i].get("time") * 1000))
    return pyMus


def play(pyMus):
    """Take the data from a PyMus file, and play it."""
    name = pyMus[0]
    beatlength = pyMus[1]
    song = pyMus[2]
    length = beatlength * len(song)
    print("Playing '" + name + "'\n\n")
    print("NOTE       DURATION")
    for i in range(0, len(song)):
        if song[i][0] == "":
            time.sleep(beatlength/1000)
            print("--         " + str(beatlength/1000).zfill(5))
        elif song[i][0] == "-":
            duration = int(round(float(song[i][1]) * beatlength))
            print("--         " + str(duration).zfill(5))
            time.sleep(duration/1000)
        else:
            note = song[i][0]
            duration = beatlength
            if len(song[i]) > 1:
                duration = int(round(float(song[i][1]) * beatlength))
            extrapadding = ""
            if len(note) < 10:
                extrapadding = (10 - len(note)) * " "
            fast_warn = ""
            if duration <= 120 and duration > 5:
                fast_warn = " [TOO FAST - MAY PLAY INCORRECTLY]"
            print(song[i][0] + " " + extrapadding + str(duration).zfill(5) + fast_warn)
            playNote(song[i][0], duration)