Delete app.py
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app.py
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import torch
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import torch.nn as nn
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import torch.nn.functional as F
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from tinydit import TinyDit
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from vae import Vae
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from sampler import ddim_sample, num_timesteps
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import gradio as gr
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import numpy as np
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from PIL import Image
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import os
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import subprocess
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device = 'cuda' if torch.cuda.is_available() else 'cpu'
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vae = Vae(latent_channels=16).to(device)
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tiny_dit = TinyDit(latent_channels=16, patch_size=2, dim=768, depth=12, num_classes=1).to(device)
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ckpt_url = "https://huggingface.co/nitesh501/tinydit/resolve/main/tinydit_.pth"
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if not os.path.exists("tinydit_.pth"):
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subprocess.run(["wget", ckpt_url])
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ckpt = torch.load("tinydit_.pth", map_location=torch.device(device))
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tiny_dit.load_state_dict(ckpt['model'])
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vae.load_state_dict(ckpt['vae'])
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@torch.inference_mode()
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def generate_image(steps=50, seed=-1):
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if seed == -1:
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seed = torch.randint(0, 2**32, (1,)).item()
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torch.manual_seed(int(seed))
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x = torch.randn(1, 16, 8, 8).to(device)
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x = x.clamp(-1, 1)
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timesteps = torch.linspace(
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num_timesteps - 1,
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0,
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steps,
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device=device
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).long()
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for i in range(len(timesteps) - 1):
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t = timesteps[i]
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t_prev = timesteps[i + 1]
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t_tensor = torch.full(
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(1,),
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t,
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device=device,
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dtype=torch.long
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)
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t_prev_tensor = torch.full(
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(1,),
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t_prev,
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device=device,
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dtype=torch.long
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)
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label = torch.tensor([0], device=device)
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x = ddim_sample(
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tiny_dit,
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x,
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t_tensor,
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t_prev_tensor,
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label
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)
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img = vae.decoder(x / 0.18215)
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img = (
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img.squeeze(0)
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.detach()
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.cpu()
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.numpy()
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.transpose(1, 2, 0)
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)
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img = (img / 2 + 0.5).clip(0, 1)
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img = (img * 255).astype(np.uint8)
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pil_img = Image.fromarray(img)
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return pil_img
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with gr.Blocks(theme=gr.themes.Soft()) as demo:
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gr.Markdown(
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"""
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# 🎨 TinyDiT AI Anime Face Generator
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Generate AI anime faces using TinyDiT model
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"""
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)
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with gr.Row():
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with gr.Column(scale=1):
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steps = gr.Slider(
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minimum=0,
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maximum=100,
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value=50,
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step=1,
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label="Sampling Steps"
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)
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seed = gr.Number(
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value=-1,
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label="Seed",
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precision=0
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)
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generate_btn = gr.Button(
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"🚀 Generate Image",
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variant="primary",
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size="lg"
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)
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with gr.Column(scale=2):
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output_image = gr.Image(
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label="",
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type="pil",
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height=256,
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width=256,
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interactive=False
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)
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generate_btn.click(
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fn=generate_image,
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inputs=[steps, seed],
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outputs=output_image
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)
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demo.launch()
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