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import json
import random
from typing import List
import spaces
import gradio as gr
from huggingface_hub import ModelCard
from src.tasks.images.sd import gen_img, ControlNetReq, SDReq, SDImg2ImgReq, SDInpaintReq
models = ["black-forest-labs/FLUX.1-dev"]
with open("data/images/loras/flux.json", "r") as f:
loras = json.load(f)
def flux_tab():
"""
Create the image tab for Generative Image Generation Models
Args:
models: list
A list containing the models repository paths
gap_iol, gap_la, gap_le, gap_eio, gap_io: Optional[List[dict]]
A list of dictionaries containing the title and component for the custom gradio component
Example:
def gr_comp():
gr.Label("Hello World")
[
{
'title': "Title",
'component': gr_comp()
}
]
loras: list
A list of dictionaries containing the image and title for the Loras Gallery
Generally a loaded json file from the data folder
"""
def process_gaps(gaps: List[dict]):
for gap in gaps:
with gr.Accordion(gap['title']):
gap['component']
with gr.Row():
with gr.Column():
with gr.Group() as image_options:
model = gr.Dropdown(label="Models", choices=models, value=models[0], interactive=True)
prompt = gr.Textbox(lines=5, label="Prompt")
negative_prompt = gr.Textbox(label="Negative Prompt")
fast_generation = gr.Checkbox(label="Fast Generation (Hyper-SD) 🧪")
with gr.Accordion("Loras", open=True): # Lora Gallery
lora_gallery = gr.Gallery(
label="Gallery",
value=[(lora['image'], lora['title']) for lora in loras],
allow_preview=False,
columns=[3],
type="pil"
)
with gr.Group():
with gr.Column():
with gr.Row():
custom_lora = gr.Textbox(label="Custom Lora", info="Enter a Huggingface repo path")
selected_lora = gr.Textbox(label="Selected Lora", info="Choose from the gallery or enter a custom LoRA")
custom_lora_info = gr.HTML(visible=False)
add_lora = gr.Button(value="Add LoRA")
enabled_loras = gr.State(value=[])
with gr.Group():
with gr.Row():
for i in range(6): # only support max 6 loras due to inference time
with gr.Column():
with gr.Column(scale=2):
globals()[f"lora_slider_{i}"] = gr.Slider(label=f"LoRA {i+1}", minimum=0, maximum=1, step=0.01, value=0.8, visible=False, interactive=True)
with gr.Column():
globals()[f"lora_remove_{i}"] = gr.Button(value="Remove LoRA", visible=False)
with gr.Accordion("Embeddings", open=False): # Embeddings
gr.Label("To be implemented")
with gr.Accordion("Image Options"): # Image Options
with gr.Tabs():
image_options = {
"img2img": "Upload Image",
"inpaint": "Upload Image",
"canny": "Upload Image",
"pose": "Upload Image",
"depth": "Upload Image",
}
for image_option, label in image_options.items():
with gr.Tab(image_option):
if not image_option in ['inpaint', 'scribble']:
globals()[f"{image_option}_image"] = gr.Image(label=label, type="pil")
elif image_option in ['inpaint', 'scribble']:
globals()[f"{image_option}_image"] = gr.ImageEditor(
label=label,
image_mode='RGB',
layers=False,
brush=gr.Brush(colors=["#FFFFFF"], color_mode="fixed") if image_option == 'inpaint' else gr.Brush(),
interactive=True,
type="pil",
)
# Image Strength (Co-relates to controlnet strength, strength for img2img n inpaint)
globals()[f"{image_option}_strength"] = gr.Slider(label="Strength", minimum=0, maximum=1, step=0.01, value=1.0, interactive=True)
resize_mode = gr.Radio(
label="Resize Mode",
choices=["crop and resize", "resize only", "resize and fill"],
value="resize and fill",
interactive=True
)
with gr.Column():
with gr.Group():
output_images = gr.Gallery(
label="Output Images",
value=[],
allow_preview=True,
type="pil",
interactive=False,
)
generate_images = gr.Button(value="Generate Images", variant="primary")
with gr.Accordion("Advance Settings", open=True):
with gr.Row():
scheduler = gr.Dropdown(
label="Scheduler",
choices = [
"fm_euler"
],
value="fm_euler",
interactive=True
)
with gr.Row():
for column in range(2):
with gr.Column():
options = [
("Height", "image_height", 64, 1024, 64, 1024, True),
("Width", "image_width", 64, 1024, 64, 1024, True),
("Num Images Per Prompt", "image_num_images_per_prompt", 1, 4, 1, 1, True),
("Num Inference Steps", "image_num_inference_steps", 1, 100, 1, 20, True),
("Clip Skip", "image_clip_skip", 0, 2, 1, 2, False),
("Guidance Scale", "image_guidance_scale", 0, 20, 0.5, 3.5, True),
("Seed", "image_seed", 0, 100000, 1, random.randint(0, 100000), True),
]
for label, var_name, min_val, max_val, step, value, visible in options[column::2]:
globals()[var_name] = gr.Slider(label=label, minimum=min_val, maximum=max_val, step=step, value=value, visible=visible, interactive=True)
with gr.Row():
refiner = gr.Checkbox(
label="Refiner 🧪",
value=False,
)
vae = gr.Checkbox(
label="VAE",
value=True,
)
# Events
# Base Options
fast_generation.change(update_fast_generation, [model, fast_generation], [image_guidance_scale, image_num_inference_steps]) # Fast Generation # type: ignore
# Lora Gallery
lora_gallery.select(selected_lora_from_gallery, None, selected_lora)
custom_lora.change(update_selected_lora, custom_lora, [custom_lora, selected_lora])
add_lora.click(add_to_enabled_loras, [model, selected_lora, enabled_loras], [selected_lora, custom_lora_info, enabled_loras])
enabled_loras.change(update_lora_sliders, enabled_loras, [lora_slider_0, lora_slider_1, lora_slider_2, lora_slider_3, lora_slider_4, lora_slider_5, lora_remove_0, lora_remove_1, lora_remove_2, lora_remove_3, lora_remove_4, lora_remove_5]) # type: ignore
for i in range(6):
globals()[f"lora_remove_{i}"].click(
lambda enabled_loras, index=i: remove_from_enabled_loras(enabled_loras, index),
[enabled_loras],
[enabled_loras]
)
# Generate Image
generate_images.click(
generate_image, # type: ignore
[
model, prompt, negative_prompt, fast_generation, enabled_loras,
lora_slider_0, lora_slider_1, lora_slider_2, lora_slider_3, lora_slider_4, lora_slider_5, # type: ignore
img2img_image, inpaint_image, canny_image, pose_image, depth_image, # type: ignore
img2img_strength, inpaint_strength, canny_strength, pose_strength, depth_strength, # type: ignore
resize_mode,
scheduler, image_height, image_width, image_num_images_per_prompt, # type: ignore
image_num_inference_steps, image_guidance_scale, image_seed, # type: ignore
refiner, vae
],
[output_images]
)
# Functions
def update_fast_generation(model, fast_generation):
if fast_generation:
return (
gr.update(
value=3.5
),
gr.update(
value=8
)
)
def selected_lora_from_gallery(evt: gr.SelectData):
return (
gr.update(
value=evt.index
)
)
def update_selected_lora(custom_lora):
link = custom_lora.split("/")
if len(link) == 2:
model_card = ModelCard.load(custom_lora)
trigger_word = model_card.data.get("instance_prompt", "")
image_url = f"""https://huggingface.co/{custom_lora}/resolve/main/{model_card.data.get("widget", [{}])[0].get("output", {}).get("url", None)}"""
custom_lora_info_css = """
<style>
.custom-lora-info {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
background: linear-gradient(135deg, #4a90e2, #7b61ff);
color: white;
padding: 16px;
border-radius: 8px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
margin: 16px 0;
}
.custom-lora-header {
font-size: 18px;
font-weight: 600;
margin-bottom: 12px;
}
.custom-lora-content {
display: flex;
align-items: center;
background-color: rgba(255, 255, 255, 0.1);
border-radius: 6px;
padding: 12px;
}
.custom-lora-image {
width: 80px;
height: 80px;
object-fit: cover;
border-radius: 6px;
margin-right: 16px;
}
.custom-lora-text h3 {
margin: 0 0 8px 0;
font-size: 16px;
font-weight: 600;
}
.custom-lora-text small {
font-size: 14px;
opacity: 0.9;
}
.custom-trigger-word {
background-color: rgba(255, 255, 255, 0.2);
padding: 2px 6px;
border-radius: 4px;
font-weight: 600;
}
</style>
"""
custom_lora_info_html = f"""
<div class="custom-lora-info">
<div class="custom-lora-header">Custom LoRA: {custom_lora}</div>
<div class="custom-lora-content">
<img class="custom-lora-image" src="{image_url}" alt="LoRA preview">
<div class="custom-lora-text">
<h3>{link[1].replace("-", " ").replace("_", " ")}</h3>
<small>{"Using: <span class='custom-trigger-word'>"+trigger_word+"</span> as the trigger word" if trigger_word else "No trigger word found. If there's a trigger word, include it in your prompt"}</small>
</div>
</div>
</div>
"""
custom_lora_info_html = f"{custom_lora_info_css}{custom_lora_info_html}"
return (
gr.update( # selected_lora
value=custom_lora,
),
gr.update( # custom_lora_info
value=custom_lora_info_html,
visible=True
)
)
else:
return (
gr.update( # selected_lora
value=custom_lora,
),
gr.update( # custom_lora_info
value=custom_lora_info_html if len(link) == 0 else "",
visible=False
)
)
def add_to_enabled_loras(model, selected_lora, enabled_loras):
lora_data = loras
try:
selected_lora = int(selected_lora)
if 0 <= selected_lora: # is the index of the lora in the gallery
lora_info = lora_data[selected_lora]
enabled_loras.append({
"repo_id": lora_info["repo"],
"trigger_word": lora_info["trigger_word"]
})
except ValueError:
link = selected_lora.split("/")
if len(link) == 2:
model_card = ModelCard.load(selected_lora)
trigger_word = model_card.data.get("instance_prompt", "")
enabled_loras.append({
"repo_id": selected_lora,
"trigger_word": trigger_word
})
return (
gr.update( # selected_lora
value=""
),
gr.update( # custom_lora_info
value="",
visible=False
),
gr.update( # enabled_loras
value=enabled_loras
)
)
def update_lora_sliders(enabled_loras):
sliders = []
remove_buttons = []
for lora in enabled_loras:
sliders.append(
gr.update(
label=lora.get("repo_id", ""),
info=f"Trigger Word: {lora.get('trigger_word', '')}",
visible=True,
interactive=True
)
)
remove_buttons.append(
gr.update(
visible=True,
interactive=True
)
)
if len(sliders) < 6:
for i in range(len(sliders), 6):
sliders.append(
gr.update(
visible=False
)
)
remove_buttons.append(
gr.update(
visible=False
)
)
return *sliders, *remove_buttons
def remove_from_enabled_loras(enabled_loras, index):
enabled_loras.pop(index)
return (
gr.update(
value=enabled_loras
)
)
@spaces.GPU
def generate_image(
model, prompt, negative_prompt, fast_generation, enabled_loras,
lora_slider_0, lora_slider_1, lora_slider_2, lora_slider_3, lora_slider_4, lora_slider_5,
img2img_image, inpaint_image, canny_image, pose_image, depth_image,
img2img_strength, inpaint_strength, canny_strength, pose_strength, depth_strength,
resize_mode,
scheduler, image_height, image_width, image_num_images_per_prompt,
image_num_inference_steps, image_guidance_scale, image_seed,
refiner, vae
):
base_args = {
"model": model,
"prompt": prompt,
"negative_prompt": negative_prompt,
"fast_generation": fast_generation,
"loras": None,
"resize_mode": resize_mode,
"scheduler": scheduler,
"height": int(image_height),
"width": int(image_width),
"num_images_per_prompt": float(image_num_images_per_prompt),
"num_inference_steps": float(image_num_inference_steps),
"guidance_scale": float(image_guidance_scale),
"seed": int(image_seed),
"refiner": refiner,
"vae": vae,
"controlnet_config": None,
}
base_args = SDReq(**base_args)
if len(enabled_loras) > 0:
base_args.loras = []
for enabled_lora, lora_slider in zip(enabled_loras, [lora_slider_0, lora_slider_1, lora_slider_2, lora_slider_3, lora_slider_4, lora_slider_5]):
if enabled_lora.get("repo_id", None):
base_args.loras.append(
{
"repo_id": enabled_lora["repo_id"],
"weight": lora_slider
}
)
image = None
mask_image = None
strength = None
if img2img_image:
image = img2img_image
strength = float(img2img_strength)
base_args = SDImg2ImgReq(
**base_args.__dict__,
image=image,
strength=strength
)
elif inpaint_image:
image = inpaint_image['background'] if not all(pixel == (0, 0, 0) for pixel in list(inpaint_image['background'].getdata())) else None
mask_image = inpaint_image['layers'][0] if image else None
strength = float(inpaint_strength)
base_args = SDInpaintReq(
**base_args.__dict__,
image=image,
mask_image=mask_image,
strength=strength
)
elif any([canny_image, pose_image, depth_image]):
base_args.controlnet_config = ControlNetReq(
controlnets=[],
control_images=[],
controlnet_conditioning_scale=[]
)
if canny_image:
base_args.controlnet_config.controlnets.append("canny_fl")
base_args.controlnet_config.control_images.append(canny_image)
base_args.controlnet_config.controlnet_conditioning_scale.append(float(canny_strength))
if pose_image:
base_args.controlnet_config.controlnets.append("pose_fl")
base_args.controlnet_config.control_images.append(pose_image)
base_args.controlnet_config.controlnet_conditioning_scale.append(float(pose_strength))
if depth_image:
base_args.controlnet_config.controlnets.append("depth_fl")
base_args.controlnet_config.control_images.append(depth_image)
base_args.controlnet_config.controlnet_conditioning_scale.append(float(depth_strength))
else:
base_args = SDReq(**base_args.__dict__)
images = gen_img(base_args)
return (
gr.update(
value=images,
interactive=True
)
)