Fbrowser/test.py

169 lines
5.7 KiB
Python
Executable File

import mido as pretty_midi
import random
import tkinter as tk
from tkinter import ttk, filedialog
import pygame
import pypianoroll # type: ignore
from icecream import ic # type: ignore
class midgen:
def __init__(self, status_label: ttk.Label):
self.status_label = status_label
self.scales = self.scales()
def scales(self):
scales = {
"Major": [0, 2, 4, 5, 7, 9, 11],
"Minor": [0, 2, 3, 5, 7, 8, 10],
"Pentatonic": [0, 2, 4, 7, 9],
"Blues": [0, 3, 5, 6, 7, 10],
"Whole Tone": [0, 2, 4, 6, 8, 10],
"Chromatic": [i for i in range(12)],
"Octatonic": [0, 1, 3, 4, 6, 7, 9, 10],
"Harmonic Minor": [0, 2, 3, 5, 7, 8, 11],
"Melodic Minor": [0, 2, 3, 5, 7, 9, 11],
"Dorian": [0, 2, 3, 5, 7, 9, 10],
"Phrygian": [0, 1, 3, 5, 7, 8, 10],
"Lydian": [0, 2, 4, 6, 7, 9, 11],
"Mixolydian": [0, 2, 4, 5, 7, 9, 10],
"Locrian": [0, 1, 3, 5, 6, 8, 10],
"Diminished": [0, 2, 3, 5, 6, 8, 9, 11],
"Whole Half Diminished": [0, 2, 3, 5, 6, 8, 9, 11],
"Arabian": [0, 2, 4, 5, 6, 8, 10],
"Hungarian Minor": [0, 2, 3, 6, 7, 8, 11],
"Enigmatic": [0, 1, 4, 6, 8, 10, 11],
"Neapolitan Major": [0, 1, 3, 5, 7, 9, 11],
"Neapolitan Minor": [0, 1, 3, 5, 7, 8, 11],
"Bluesy": [0, 3, 5, 6, 7, 10],
"Hawaiian": [0, 2, 3, 7, 9],
"Japanese": [0, 1, 5, 7, 8],
"Chinese": [0, 4, 6, 7, 11],
"Gypsy": [0, 2, 3, 6, 7, 8, 10],
"Hirojoshi": [0, 2, 3, 7, 8],
"In Sen": [0, 1, 5, 7, 10],
"Iwato": [0, 1, 5, 6, 10],
"Kumoi": [0, 2, 3, 7, 9],
"Pelog": [0, 1, 3, 7, 8],
"Ryukyu": [0, 4, 5, 7, 11],
"Spanish": [0, 1, 3, 4, 5, 6, 8, 10],
"Todi": [0, 1, 3, 6, 7, 8, 11],
"Yo": [0, 2, 5, 7, 9]
}
return scales
def generate_midi(self):
self.status_label.config(text='Generating MIDI...')
try:
midi = pretty_midi.PrettyMIDI()
instrument = pretty_midi.Instrument(0)
scale = random.choice(list(self.scales.keys()))
scale_notes = self.scales[scale]
ic(f"Using scale: {scale}")
ic(f"Using notes: {scale_notes}")
for start, end in zip(range(0, 100, 10), range(10, 110, 10)):
note = pretty_midi.Note(
velocity=100, pitch=random.choice(scale_notes),
start=start, end=end
)
instrument.notes.append(note)
midi.instruments.append(instrument)
filepath = filedialog.asksaveasfilename(defaultextension='.mid')
if filepath:
midi.write(filepath)
track = pypianoroll.Multitrack(filepath)
track.plot()
self.status_label.config(text='MIDI generated successfully!')
except Exception as e:
self.status_label.config(text=f"Error generating MIDI: {e}")
class MidPlay:
"""A class to handle MIDI file playback."""
def __init__(self):
self.playlist = []
self.current_midi = None
self.playing = False
pygame.mixer.init()
def load_midi(self, filepath: str) -> None:
try:
self.current_midi = pretty_midi.PrettyMIDI(filepath)
pygame.mixer.music.load(filepath)
except Exception as e:
print(f"Error loading MIDI: {e}")
def add_to_playlist(self, filepath: str) -> None:
"""Adds a MIDI file to the playlist.
Args:
filepath: The path to the MIDI file.
"""
self.playlist.append(filepath)
def clear_playlist(self) -> None:
"""Clears the playlist."""
self.playlist = []
def play_midi(self) -> None:
"""Starts or resumes playback of the current MIDI file."""
if self.current_midi:
self.current_midi.instruments[0].synthesize()
pygame.mixer.music.play()
self.playing = True
else:
print("No MIDI file loaded")
def pause(self) -> None:
"""Pauses playback."""
pygame.mixer.music.pause()
self.playing = False
def stop(self) -> None:
"""Stops playback."""
pygame.mixer.music.stop()
self.playing = False
class UserInterface:
def __init__(self):
self.root = tk.Tk()
self.root.title("MIDI Generator")
self.root.geometry("400x200")
self.root.resizable(True, True)
self.status_label = ttk.Label(self.root, text="")
self.status_label.pack()
self.midi_generator = midgen(self.status_label)
self.midi_player = MidPlay()
self.filepath = None
self.midi = None
self.generate_button = ttk.Button(self.root, text="Generate MIDI", command=self.midi_generator.generate_midi)
self.generate_button.pack()
self.load_button = ttk.Button(self.root, text="Load MIDI", command=lambda: self.midi_player.load_midi(self.filepath))
self.load_button.pack()
self.play_button = ttk.Button(self.root, text="Play MIDI", command=lambda: self.midi_player.play_midi())
self.play_button.pack()
self.exit_button = ttk.Button(self.root, text="Exit", command=self.root.quit)
self.exit_button.pack()
window = tk.Tk()
window.title("MIDI Generator")
self.root.mainloop()
if __name__ == "__main__":
ui = UserInterface()