566 lines
20 KiB
Python
566 lines
20 KiB
Python
#!/usr/bin/env python
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# Copyright 2024 NVIDIA CORPORATION & AFFILIATES
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# SPDX-License-Identifier: Apache-2.0
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from __future__ import annotations
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import argparse
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import os
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import random
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import uuid
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from datetime import datetime
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import gradio as gr
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import numpy as np
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import spaces
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import torch
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from diffusers import FluxPipeline
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from PIL import Image
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from torchvision.utils import make_grid, save_image
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from transformers import AutoModelForCausalLM, AutoTokenizer
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from app import safety_check
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from app.sana_pipeline import SanaPipeline
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MAX_SEED = np.iinfo(np.int32).max
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CACHE_EXAMPLES = torch.cuda.is_available() and os.getenv("CACHE_EXAMPLES", "1") == "1"
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MAX_IMAGE_SIZE = int(os.getenv("MAX_IMAGE_SIZE", "4096"))
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USE_TORCH_COMPILE = os.getenv("USE_TORCH_COMPILE", "0") == "1"
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ENABLE_CPU_OFFLOAD = os.getenv("ENABLE_CPU_OFFLOAD", "0") == "1"
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DEMO_PORT = int(os.getenv("DEMO_PORT", "15432"))
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os.environ["GRADIO_EXAMPLES_CACHE"] = "./.gradio/cache"
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device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
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style_list = [
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{
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"name": "(No style)",
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"prompt": "{prompt}",
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"negative_prompt": "",
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},
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{
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"name": "Cinematic",
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"prompt": "cinematic still {prompt} . emotional, harmonious, vignette, highly detailed, high budget, bokeh, "
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"cinemascope, moody, epic, gorgeous, film grain, grainy",
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"negative_prompt": "anime, cartoon, graphic, text, painting, crayon, graphite, abstract, glitch, deformed, mutated, ugly, disfigured",
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},
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{
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"name": "Photographic",
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"prompt": "cinematic photo {prompt} . 35mm photograph, film, bokeh, professional, 4k, highly detailed",
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"negative_prompt": "drawing, painting, crayon, sketch, graphite, impressionist, noisy, blurry, soft, deformed, ugly",
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},
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{
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"name": "Anime",
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"prompt": "anime artwork {prompt} . anime style, key visual, vibrant, studio anime, highly detailed",
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"negative_prompt": "photo, deformed, black and white, realism, disfigured, low contrast",
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},
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{
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"name": "Manga",
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"prompt": "manga style {prompt} . vibrant, high-energy, detailed, iconic, Japanese comic style",
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"negative_prompt": "ugly, deformed, noisy, blurry, low contrast, realism, photorealistic, Western comic style",
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},
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{
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"name": "Digital Art",
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"prompt": "concept art {prompt} . digital artwork, illustrative, painterly, matte painting, highly detailed",
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"negative_prompt": "photo, photorealistic, realism, ugly",
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},
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{
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"name": "Pixel art",
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"prompt": "pixel-art {prompt} . low-res, blocky, pixel art style, 8-bit graphics",
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"negative_prompt": "sloppy, messy, blurry, noisy, highly detailed, ultra textured, photo, realistic",
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},
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{
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"name": "Fantasy art",
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"prompt": "ethereal fantasy concept art of {prompt} . magnificent, celestial, ethereal, painterly, epic, "
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"majestic, magical, fantasy art, cover art, dreamy",
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"negative_prompt": "photographic, realistic, realism, 35mm film, dslr, cropped, frame, text, deformed, "
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"glitch, noise, noisy, off-center, deformed, cross-eyed, closed eyes, bad anatomy, ugly, "
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"disfigured, sloppy, duplicate, mutated, black and white",
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},
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{
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"name": "Neonpunk",
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"prompt": "neonpunk style {prompt} . cyberpunk, vaporwave, neon, vibes, vibrant, stunningly beautiful, crisp, "
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"detailed, sleek, ultramodern, magenta highlights, dark purple shadows, high contrast, cinematic, "
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"ultra detailed, intricate, professional",
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"negative_prompt": "painting, drawing, illustration, glitch, deformed, mutated, cross-eyed, ugly, disfigured",
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},
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{
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"name": "3D Model",
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"prompt": "professional 3d model {prompt} . octane render, highly detailed, volumetric, dramatic lighting",
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"negative_prompt": "ugly, deformed, noisy, low poly, blurry, painting",
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},
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]
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styles = {k["name"]: (k["prompt"], k["negative_prompt"]) for k in style_list}
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STYLE_NAMES = list(styles.keys())
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DEFAULT_STYLE_NAME = "(No style)"
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SCHEDULE_NAME = ["Flow_DPM_Solver"]
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DEFAULT_SCHEDULE_NAME = "Flow_DPM_Solver"
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NUM_IMAGES_PER_PROMPT = 1
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TEST_TIMES = 0
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FILENAME = f"output/port{DEMO_PORT}_inference_count.txt"
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def set_env(seed=0):
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torch.manual_seed(seed)
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torch.set_grad_enabled(False)
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def read_inference_count():
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global TEST_TIMES
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try:
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with open(FILENAME) as f:
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count = int(f.read().strip())
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except FileNotFoundError:
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count = 0
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TEST_TIMES = count
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return count
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def write_inference_count(count):
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with open(FILENAME, "w") as f:
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f.write(str(count))
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def run_inference(num_imgs=1):
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TEST_TIMES = read_inference_count()
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TEST_TIMES += int(num_imgs)
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write_inference_count(TEST_TIMES)
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return (
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f"<span style='font-size: 16px; font-weight: bold;'>Total inference runs: </span><span style='font-size: "
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f"16px; color:red; font-weight: bold;'>{TEST_TIMES}</span>"
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)
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def update_inference_count():
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count = read_inference_count()
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return (
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f"<span style='font-size: 16px; font-weight: bold;'>Total inference runs: </span><span style='font-size: "
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f"16px; color:red; font-weight: bold;'>{count}</span>"
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)
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def apply_style(style_name: str, positive: str, negative: str = "") -> tuple[str, str]:
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p, n = styles.get(style_name, styles[DEFAULT_STYLE_NAME])
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if not negative:
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negative = ""
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return p.replace("{prompt}", positive), n + negative
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def get_args():
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parser = argparse.ArgumentParser()
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parser.add_argument("--config", type=str, help="config")
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parser.add_argument(
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"--model_path",
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nargs="?",
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default="output/Sana_D20/SANA.pth",
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type=str,
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help="Path to the model file (positional)",
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)
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parser.add_argument("--output", default="./", type=str)
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parser.add_argument("--bs", default=1, type=int)
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parser.add_argument("--image_size", default=1024, type=int)
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parser.add_argument("--cfg_scale", default=5.0, type=float)
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parser.add_argument("--pag_scale", default=2.0, type=float)
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parser.add_argument("--seed", default=42, type=int)
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parser.add_argument("--step", default=-1, type=int)
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parser.add_argument("--custom_image_size", default=None, type=int)
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parser.add_argument(
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"--shield_model_path",
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type=str,
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help="The path to shield model, we employ ShieldGemma-2B by default.",
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default="google/shieldgemma-2b",
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)
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return parser.parse_args()
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args = get_args()
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if torch.cuda.is_available():
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weight_dtype = torch.float16
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model_path = args.model_path
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pipe = SanaPipeline(args.config)
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pipe.from_pretrained(model_path)
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pipe.register_progress_bar(gr.Progress())
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repo_name = "black-forest-labs/FLUX.1-dev"
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pipe2 = FluxPipeline.from_pretrained(repo_name, torch_dtype=torch.float16).to("cuda")
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# safety checker
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safety_checker_tokenizer = AutoTokenizer.from_pretrained(args.shield_model_path)
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safety_checker_model = AutoModelForCausalLM.from_pretrained(
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args.shield_model_path,
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device_map="auto",
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torch_dtype=torch.bfloat16,
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).to(device)
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set_env(42)
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def save_image_sana(img, seed="", save_img=False):
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unique_name = f"{str(uuid.uuid4())}_{seed}.png"
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save_path = os.path.join(f"output/online_demo_img/{datetime.now().date()}")
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os.umask(0o000) # file permission: 666; dir permission: 777
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os.makedirs(save_path, exist_ok=True)
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unique_name = os.path.join(save_path, unique_name)
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if save_img:
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save_image(img, unique_name, nrow=1, normalize=True, value_range=(-1, 1))
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return unique_name
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def randomize_seed_fn(seed: int, randomize_seed: bool) -> int:
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if randomize_seed:
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seed = random.randint(0, MAX_SEED)
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return seed
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@spaces.GPU(enable_queue=True)
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async def generate_2(
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prompt: str = None,
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negative_prompt: str = "",
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style: str = DEFAULT_STYLE_NAME,
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use_negative_prompt: bool = False,
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num_imgs: int = 1,
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seed: int = 0,
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height: int = 1024,
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width: int = 1024,
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flow_dpms_guidance_scale: float = 5.0,
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flow_dpms_pag_guidance_scale: float = 2.0,
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flow_dpms_inference_steps: int = 20,
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randomize_seed: bool = False,
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):
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seed = int(randomize_seed_fn(seed, randomize_seed))
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generator = torch.Generator(device=device).manual_seed(seed)
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print(f"PORT: {DEMO_PORT}, model_path: {model_path}")
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if safety_check.is_dangerous(safety_checker_tokenizer, safety_checker_model, prompt):
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prompt = "A red heart."
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print(prompt)
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if not use_negative_prompt:
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negative_prompt = None # type: ignore
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prompt, negative_prompt = apply_style(style, prompt, negative_prompt)
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with torch.no_grad():
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images = pipe2(
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prompt=prompt,
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height=height,
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width=width,
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guidance_scale=3.5,
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num_inference_steps=50,
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num_images_per_prompt=num_imgs,
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max_sequence_length=256,
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generator=generator,
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).images
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save_img = False
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img = images
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if save_img:
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img = [save_image_sana(img, seed, save_img=save_image) for img in images]
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print(img)
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torch.cuda.empty_cache()
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return img
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@spaces.GPU(enable_queue=True)
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async def generate(
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prompt: str = None,
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negative_prompt: str = "",
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style: str = DEFAULT_STYLE_NAME,
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use_negative_prompt: bool = False,
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num_imgs: int = 1,
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seed: int = 0,
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height: int = 1024,
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width: int = 1024,
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flow_dpms_guidance_scale: float = 5.0,
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flow_dpms_pag_guidance_scale: float = 2.0,
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flow_dpms_inference_steps: int = 20,
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randomize_seed: bool = False,
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):
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global TEST_TIMES
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# seed = 823753551
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seed = int(randomize_seed_fn(seed, randomize_seed))
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generator = torch.Generator(device=device).manual_seed(seed)
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print(f"PORT: {DEMO_PORT}, model_path: {model_path}, time_times: {TEST_TIMES}")
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if safety_check.is_dangerous(safety_checker_tokenizer, safety_checker_model, prompt):
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prompt = "A red heart."
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print(prompt)
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num_inference_steps = flow_dpms_inference_steps
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guidance_scale = flow_dpms_guidance_scale
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pag_guidance_scale = flow_dpms_pag_guidance_scale
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if not use_negative_prompt:
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negative_prompt = None # type: ignore
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prompt, negative_prompt = apply_style(style, prompt, negative_prompt)
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pipe.progress_fn(0, desc="Sana Start")
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with torch.no_grad():
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images = pipe(
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prompt=prompt,
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height=height,
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width=width,
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negative_prompt=negative_prompt,
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guidance_scale=guidance_scale,
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pag_guidance_scale=pag_guidance_scale,
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num_inference_steps=num_inference_steps,
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num_images_per_prompt=num_imgs,
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generator=generator,
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)
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pipe.progress_fn(1.0, desc="Sana End")
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save_img = False
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if save_img:
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img = [save_image_sana(img, seed, save_img=save_image) for img in images]
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print(img)
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else:
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if num_imgs > 1:
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nrow = 2
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else:
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nrow = 1
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img = make_grid(images, nrow=nrow, normalize=True, value_range=(-1, 1))
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img = img.mul(255).add_(0.5).clamp_(0, 255).permute(1, 2, 0).to("cpu", torch.uint8).numpy()
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img = [Image.fromarray(img.astype(np.uint8))]
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torch.cuda.empty_cache()
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return img
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TEST_TIMES = read_inference_count()
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model_size = "1.6" if "D20" in args.model_path else "0.6"
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title = f"""
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<div style='display: flex; align-items: center; justify-content: center; text-align: center;'>
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<img src="https://raw.githubusercontent.com/NVlabs/Sana/refs/heads/main/asset/logo.png" width="50%" alt="logo"/>
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</div>
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"""
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DESCRIPTION = f"""
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<p><span style="font-size: 36px; font-weight: bold;">Sana-{model_size}B</span><span style="font-size: 20px; font-weight: bold;">{args.image_size}px</span></p>
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<p style="font-size: 16px; font-weight: bold;">Sana: Efficient High-Resolution Image Synthesis with Linear Diffusion Transformer</p>
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<p><span style="font-size: 16px;"><a href="https://arxiv.org/abs/2410.10629">[Paper]</a></span> <span style="font-size: 16px;"><a href="https://github.com/NVlabs/Sana">[Github]</a></span> <span style="font-size: 16px;"><a href="https://nvlabs.github.io/Sana">[Project]</a></span</p>
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<p style="font-size: 16px; font-weight: bold;">Powered by <a href="https://hanlab.mit.edu/projects/dc-ae">DC-AE</a> with 32x latent space</p>
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<p style="font-size: 16px; font-weight: bold;">Unsafe word will give you a 'Red Heart' in the image instead.</p>
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"""
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if model_size == "0.6":
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DESCRIPTION += "\n<p>0.6B model's text rendering ability is limited.</p>"
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if not torch.cuda.is_available():
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DESCRIPTION += "\n<p>Running on CPU 🥶 This demo does not work on CPU.</p>"
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examples = [
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'a cyberpunk cat with a neon sign that says "Sana"',
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"A very detailed and realistic full body photo set of a tall, slim, and athletic Shiba Inu in a white oversized straight t-shirt, white shorts, and short white shoes.",
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"Pirate ship trapped in a cosmic maelstrom nebula, rendered in cosmic beach whirlpool engine, volumetric lighting, spectacular, ambient lights, light pollution, cinematic atmosphere, art nouveau style, illustration art artwork by SenseiJaye, intricate detail.",
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"portrait photo of a girl, photograph, highly detailed face, depth of field",
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'make me a logo that says "So Fast" with a really cool flying dragon shape with lightning sparks all over the sides and all of it contains Indonesian language',
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"🐶 Wearing 🕶 flying on the 🌈",
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# "👧 with 🌹 in the ❄️",
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# "an old rusted robot wearing pants and a jacket riding skis in a supermarket.",
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# "professional portrait photo of an anthropomorphic cat wearing fancy gentleman hat and jacket walking in autumn forest.",
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# "Astronaut in a jungle, cold color palette, muted colors, detailed",
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# "a stunning and luxurious bedroom carved into a rocky mountainside seamlessly blending nature with modern design with a plush earth-toned bed textured stone walls circular fireplace massive uniquely shaped window framing snow-capped mountains dense forests",
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]
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css = """
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.gradio-container{max-width: 1024px !important}
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h1{text-align:center}
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"""
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with gr.Blocks(css=css) as demo:
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gr.Markdown(title)
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gr.Markdown(DESCRIPTION)
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gr.DuplicateButton(
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value="Duplicate Space for private use",
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elem_id="duplicate-button",
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visible=os.getenv("SHOW_DUPLICATE_BUTTON") == "1",
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)
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info_box = gr.Markdown(
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value=f"<span style='font-size: 16px; font-weight: bold;'>Total inference runs: </span><span style='font-size: 16px; color:red; font-weight: bold;'>{read_inference_count()}</span>"
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)
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demo.load(fn=update_inference_count, outputs=info_box) # update the value when re-loading the page
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# with gr.Row(equal_height=False):
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with gr.Group():
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with gr.Row():
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prompt = gr.Text(
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label="Prompt",
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show_label=False,
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max_lines=1,
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placeholder="Enter your prompt",
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container=False,
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)
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run_button = gr.Button("Run-sana", scale=0)
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run_button2 = gr.Button("Run-flux", scale=0)
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with gr.Row():
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result = gr.Gallery(label="Result from Sana", show_label=True, columns=NUM_IMAGES_PER_PROMPT, format="webp")
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result_2 = gr.Gallery(
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label="Result from FLUX", show_label=True, columns=NUM_IMAGES_PER_PROMPT, format="webp"
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)
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with gr.Accordion("Advanced options", open=False):
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with gr.Group():
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with gr.Row(visible=True):
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height = gr.Slider(
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label="Height",
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minimum=256,
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maximum=MAX_IMAGE_SIZE,
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step=32,
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value=1024,
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)
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width = gr.Slider(
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label="Width",
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minimum=256,
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maximum=MAX_IMAGE_SIZE,
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step=32,
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value=1024,
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)
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with gr.Row():
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flow_dpms_inference_steps = gr.Slider(
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label="Sampling steps",
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minimum=5,
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maximum=40,
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step=1,
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value=18,
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)
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flow_dpms_guidance_scale = gr.Slider(
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label="CFG Guidance scale",
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minimum=1,
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maximum=10,
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step=0.1,
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value=5.0,
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)
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|
flow_dpms_pag_guidance_scale = gr.Slider(
|
|
label="PAG Guidance scale",
|
|
minimum=1,
|
|
maximum=4,
|
|
step=0.5,
|
|
value=2.0,
|
|
)
|
|
with gr.Row():
|
|
use_negative_prompt = gr.Checkbox(label="Use negative prompt", value=False, visible=True)
|
|
negative_prompt = gr.Text(
|
|
label="Negative prompt",
|
|
max_lines=1,
|
|
placeholder="Enter a negative prompt",
|
|
visible=True,
|
|
)
|
|
style_selection = gr.Radio(
|
|
show_label=True,
|
|
container=True,
|
|
interactive=True,
|
|
choices=STYLE_NAMES,
|
|
value=DEFAULT_STYLE_NAME,
|
|
label="Image Style",
|
|
)
|
|
seed = gr.Slider(
|
|
label="Seed",
|
|
minimum=0,
|
|
maximum=MAX_SEED,
|
|
step=1,
|
|
value=0,
|
|
)
|
|
randomize_seed = gr.Checkbox(label="Randomize seed", value=True)
|
|
with gr.Row(visible=True):
|
|
schedule = gr.Radio(
|
|
show_label=True,
|
|
container=True,
|
|
interactive=True,
|
|
choices=SCHEDULE_NAME,
|
|
value=DEFAULT_SCHEDULE_NAME,
|
|
label="Sampler Schedule",
|
|
visible=True,
|
|
)
|
|
num_imgs = gr.Slider(
|
|
label="Num Images",
|
|
minimum=1,
|
|
maximum=6,
|
|
step=1,
|
|
value=1,
|
|
)
|
|
|
|
run_button.click(fn=run_inference, inputs=num_imgs, outputs=info_box)
|
|
|
|
gr.Examples(
|
|
examples=examples,
|
|
inputs=prompt,
|
|
outputs=[result],
|
|
fn=generate,
|
|
cache_examples=CACHE_EXAMPLES,
|
|
)
|
|
gr.Examples(
|
|
examples=examples,
|
|
inputs=prompt,
|
|
outputs=[result_2],
|
|
fn=generate_2,
|
|
cache_examples=CACHE_EXAMPLES,
|
|
)
|
|
|
|
use_negative_prompt.change(
|
|
fn=lambda x: gr.update(visible=x),
|
|
inputs=use_negative_prompt,
|
|
outputs=negative_prompt,
|
|
api_name=False,
|
|
)
|
|
|
|
run_button.click(
|
|
fn=generate,
|
|
inputs=[
|
|
prompt,
|
|
negative_prompt,
|
|
style_selection,
|
|
use_negative_prompt,
|
|
num_imgs,
|
|
seed,
|
|
height,
|
|
width,
|
|
flow_dpms_guidance_scale,
|
|
flow_dpms_pag_guidance_scale,
|
|
flow_dpms_inference_steps,
|
|
randomize_seed,
|
|
],
|
|
outputs=[result],
|
|
queue=True,
|
|
)
|
|
|
|
run_button2.click(
|
|
fn=generate_2,
|
|
inputs=[
|
|
prompt,
|
|
negative_prompt,
|
|
style_selection,
|
|
use_negative_prompt,
|
|
num_imgs,
|
|
seed,
|
|
height,
|
|
width,
|
|
flow_dpms_guidance_scale,
|
|
flow_dpms_pag_guidance_scale,
|
|
flow_dpms_inference_steps,
|
|
randomize_seed,
|
|
],
|
|
outputs=[result_2],
|
|
queue=True,
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
demo.queue(max_size=20).launch(server_name="0.0.0.0", server_port=DEMO_PORT, debug=True, share=True)
|