app.py

# imports from gradio_demo.py
import gradio as gr 
import numpy as np
from PIL import Image
import torch 
from torchvision.transforms import ToTensor, ToPILImage
import sys
import os
from midi_player import MIDIPlayer
from midi_player.stylers import basic, cifka_advanced, dark
import numpy as np 
from time import sleep
from subprocess import call
import pandas as pd

# imports from sample.py
import argparse
from pathlib import Path
import accelerate
import safetensors.torch as safetorch
#import torch
from tqdm import trange, tqdm
#from PIL import Image
from torchvision import transforms
import k_diffusion as K


from .pianoroll import regroup_lines, img_file_2_midi_file, square_to_rect, rect_to_square
from .square_to_rect import square_to_rect



def infer_mask_from_init_img(img, mask_with='grey'):
    "note, this works whether image is normalized on 0..1 or -1..1, but not 0..255"
    assert mask_with in ['blue','white','grey']
    "given an image with mask areas marked, extract the mask itself"
    if not torch.is_tensor(img):
        img = ToTensor()(img)
    print("img.shape: ", img.shape)
    # shape of mask should be img shape without the channel dimension
    if len(img.shape) == 3:
        mask = torch.zeros(img.shape[-2:])
    elif len(img.shape) == 2:
        mask = torch.zeros(img.shape)
    print("mask.shape: ", mask.shape)
    if mask_with == 'white':
        mask[ (img[0,:,:]==1) & (img[1,:,:]==1) & (img[2,:,:]==1)] = 1
    elif mask_with == 'blue':
        mask[img[2,:,:]==1] = 1  # blue
    if mask_with == 'grey':
        mask[ (img[0,:,:] != 0) & (img[0,:,:]==img[1,:,:])  & (img[2,:,:]==img[1,:,:])] = 1
    return mask*1.0


def count_notes_in_mask(img, mask):
    "counts the number of new notes in the mask"
    img_t = ToTensor()(img)
    new_notes = (mask * (img_t[1,:,:] > 0)).sum() # green channel
    return new_notes.item()



def greet(name):
    return "Hello " + name + "!!"

demo = gr.Interface(fn=greet, inputs="text", outputs="text")
demo.launch()