qr-code/app.py

282 lines
9.0 KiB
Python

import torch
import gradio as gr
from PIL import Image
import qrcode
from pathlib import Path
from multiprocessing import cpu_count
import requests
import io
import os
from PIL import Image
from gradio.themes.utils import sizes
theme = gr.themes.Default(radius_size=sizes.radius_none).set(
block_label_text_color = '#4D63FF',
block_title_text_color = '#4D63FF',
button_primary_text_color = '#4D63FF',
button_primary_background_fill='#FFFFFF',
button_primary_border_color='#4D63FF',
button_primary_background_fill_hover='#EDEFFF',
)
css = "footer {visibility: hidden}"
from diffusers import (
StableDiffusionPipeline,
StableDiffusionControlNetImg2ImgPipeline,
ControlNetModel,
DDIMScheduler,
DPMSolverMultistepScheduler,
DEISMultistepScheduler,
HeunDiscreteScheduler,
EulerDiscreteScheduler,
)
qrcode_generator = qrcode.QRCode(
version=1,
error_correction=qrcode.ERROR_CORRECT_H,
box_size=10,
border=4,
)
controlnet = ControlNetModel.from_pretrained(
"DionTimmer/controlnet_qrcode-control_v1p_sd15", torch_dtype=torch.float16
)
pipe = StableDiffusionControlNetImg2ImgPipeline.from_pretrained(
"runwayml/stable-diffusion-v1-5",
controlnet=controlnet,
safety_checker=None,
torch_dtype=torch.float16,
).to("cuda")
pipe.enable_xformers_memory_efficient_attention()
def resize_for_condition_image(input_image: Image.Image, resolution: int):
input_image = input_image.convert("RGB")
W, H = input_image.size
k = float(resolution) / min(H, W)
H *= k
W *= k
H = int(round(H / 64.0)) * 64
W = int(round(W / 64.0)) * 64
img = input_image.resize((W, H), resample=Image.LANCZOS)
return img
SAMPLER_MAP = {
"DPM++ Karras SDE": lambda config: DPMSolverMultistepScheduler.from_config(config, use_karras=True, algorithm_type="sde-dpmsolver++"),
"DPM++ Karras": lambda config: DPMSolverMultistepScheduler.from_config(config, use_karras=True),
"Heun": lambda config: HeunDiscreteScheduler.from_config(config),
"Euler": lambda config: EulerDiscreteScheduler.from_config(config),
"DDIM": lambda config: DDIMScheduler.from_config(config),
"DEIS": lambda config: DEISMultistepScheduler.from_config(config),
}
def inference(
qr_code_content: str,
prompt: str,
negative_prompt: str,
guidance_scale: float = 10.0,
controlnet_conditioning_scale: float = 2.0,
strength: float = 0.8,
seed: int = -1,
init_image: Image.Image | None = None,
qrcode_image: Image.Image | None = None,
use_qr_code_as_init_image = True,
sampler = "DPM++ Karras SDE",
):
if prompt is None or prompt == "":
raise gr.Error("Prompt is required")
if qrcode_image is None and qr_code_content == "":
raise gr.Error("QR Code Image or QR Code Content is required")
pipe.scheduler = SAMPLER_MAP[sampler](pipe.scheduler.config)
generator = torch.manual_seed(seed) if seed != -1 else torch.Generator()
if qr_code_content != "" or qrcode_image.size == (1, 1):
print("Generating QR Code from content")
qr = qrcode.QRCode(
version=1,
error_correction=qrcode.constants.ERROR_CORRECT_H,
box_size=10,
border=4,
)
qr.add_data(qr_code_content)
qr.make(fit=True)
qrcode_image = qr.make_image(fill_color="black", back_color="white")
qrcode_image = resize_for_condition_image(qrcode_image, 768)
else:
print("Using QR Code Image")
qrcode_image = resize_for_condition_image(qrcode_image, 768)
# hack due to gradio examples
init_image = qrcode_image
out = pipe(
prompt=prompt,
negative_prompt=negative_prompt,
image=qrcode_image,
control_image=qrcode_image, # type: ignore
width=768, # type: ignore
height=768, # type: ignore
guidance_scale=float(guidance_scale),
controlnet_conditioning_scale=float(controlnet_conditioning_scale), # type: ignore
generator=generator,
strength=float(strength),
num_inference_steps=40,
)
return out.images[0] # type: ignore
with gr.Blocks(theme=theme, css=css) as blocks:
gr.Markdown("""
<div align='center' ><font size='60'>艺术二维码生成</font></div>
""")
with gr.Row():
with gr.Column():
qr_code_content = gr.Textbox(
label="QR Code Content",
info="QR Code Content or URL",
value="",
)
with gr.Accordion(label="QR Code Image (Optional)", open=False):
qr_code_image = gr.Image(
label="QR Code Image (Optional). Leave blank to automatically generate QR code",
type="pil",
)
prompt = gr.Textbox(
label="Prompt",
info="Prompt that guides the generation towards",
)
negative_prompt = gr.Textbox(
label="Negative Prompt",
value="ugly, disfigured, low quality, blurry, nsfw",
)
use_qr_code_as_init_image = gr.Checkbox(label="Use QR code as init image", value=True, interactive=False, info="Whether init image should be QR code. Unclick to pass init image or generate init image with Stable Diffusion 2.1")
with gr.Accordion(label="Init Images (Optional)", open=False, visible=False) as init_image_acc:
init_image = gr.Image(label="Init Image (Optional). Leave blank to generate image with SD 2.1", type="pil")
with gr.Accordion(
label="Params: The generated QR Code functionality is largely influenced by the parameters detailed below",
open=True,
):
controlnet_conditioning_scale = gr.Slider(
minimum=0.0,
maximum=5.0,
step=0.01,
value=1.1,
label="Controlnet Conditioning Scale",
)
strength = gr.Slider(
minimum=0.0, maximum=1.0, step=0.01, value=0.9, label="Strength"
)
guidance_scale = gr.Slider(
minimum=0.0,
maximum=50.0,
step=0.25,
value=7.5,
label="Guidance Scale",
)
sampler = gr.Dropdown(choices=list(SAMPLER_MAP.keys()), value="DPM++ Karras SDE", label="Sampler")
seed = gr.Slider(
minimum=-1,
maximum=9999999999,
step=1,
value=2313123,
label="Seed",
randomize=True,
)
with gr.Row():
run_btn = gr.Button("Run")
with gr.Column():
result_image = gr.Image(label="Result Image")
run_btn.click(
inference,
inputs=[
qr_code_content,
prompt,
negative_prompt,
guidance_scale,
controlnet_conditioning_scale,
strength,
seed,
init_image,
qr_code_image,
use_qr_code_as_init_image,
sampler,
],
outputs=[result_image],
)
gr.Examples(
examples=[
[
"https://huggingface.co/",
"A sky view of a colorful lakes and rivers flowing through the desert",
"ugly, disfigured, low quality, blurry, nsfw",
7.5,
1.3,
0.9,
5392011833,
None,
None,
True,
"DPM++ Karras SDE",
],
[
"https://huggingface.co/",
"Bright sunshine coming through the cracks of a wet, cave wall of big rocks",
"ugly, disfigured, low quality, blurry, nsfw",
7.5,
1.11,
0.9,
2523992465,
None,
None,
True,
"DPM++ Karras SDE",
],
[
"https://huggingface.co/",
"Sky view of highly aesthetic, ancient greek thermal baths in beautiful nature",
"ugly, disfigured, low quality, blurry, nsfw",
7.5,
1.5,
0.9,
2523992465,
None,
None,
True,
"DPM++ Karras SDE",
],
],
fn=inference,
inputs=[
qr_code_content,
prompt,
negative_prompt,
guidance_scale,
controlnet_conditioning_scale,
strength,
seed,
init_image,
qr_code_image,
use_qr_code_as_init_image,
sampler,
],
outputs=[result_image],
cache_examples=True,
)
blocks.queue(concurrency_count=1, max_size=20)
blocks.launch(share=bool(os.environ.get("SHARE", False)), server_name="0.0.0.0")