app.py

import os
import gc
import gradio as gr
import numpy as np
import spaces
import torch
import random
import uuid
import tempfile
from PIL import Image
from typing import Iterable
from gradio.themes import Soft
from gradio.themes.utils import colors, fonts, sizes

import rerun as rr
from gradio_rerun import Rerun

colors.orange_red = colors.Color(
    name="orange_red",
    c50="#FFF0E5",
    c100="#FFE0CC",
    c200="#FFC299",
    c300="#FFA366",
    c400="#FF8533",
    c500="#FF4500",
    c600="#E63E00",
    c700="#CC3700",
    c800="#B33000",
    c900="#992900",
    c950="#802200",
)

class OrangeRedTheme(Soft):
    def __init__(
        self,
        *,
        primary_hue: colors.Color | str = colors.gray,
        secondary_hue: colors.Color | str = colors.orange_red,
        neutral_hue: colors.Color | str = colors.slate,
        text_size: sizes.Size | str = sizes.text_lg,
        font: fonts.Font | str | Iterable[fonts.Font | str] = (
            fonts.GoogleFont("Outfit"), "Arial", "sans-serif",
        ),
        font_mono: fonts.Font | str | Iterable[fonts.Font | str] = (
            fonts.GoogleFont("IBM Plex Mono"), "ui-monospace", "monospace",
        ),
    ):
        super().__init__(
            primary_hue=primary_hue,
            secondary_hue=secondary_hue,
            neutral_hue=neutral_hue,
            text_size=text_size,
            font=font,
            font_mono=font_mono,
        )
        super().set(
            background_fill_primary="*primary_50",
            background_fill_primary_dark="*primary_900",
            body_background_fill="linear-gradient(135deg, *primary_200, *primary_100)",
            body_background_fill_dark="linear-gradient(135deg, *primary_900, *primary_800)",
            button_primary_text_color="white",
            button_primary_text_color_hover="white",
            button_primary_background_fill="linear-gradient(90deg, *secondary_500, *secondary_600)",
            button_primary_background_fill_hover="linear-gradient(90deg, *secondary_600, *secondary_700)",
            button_primary_background_fill_dark="linear-gradient(90deg, *secondary_600, *secondary_700)",
            button_primary_background_fill_hover_dark="linear-gradient(90deg, *secondary_500, *secondary_600)",
            button_secondary_text_color="black",
            button_secondary_text_color_hover="white",
            button_secondary_background_fill="linear-gradient(90deg, *primary_300, *primary_300)",
            button_secondary_background_fill_hover="linear-gradient(90deg, *primary_400, *primary_400)",
            button_secondary_background_fill_dark="linear-gradient(90deg, *primary_500, *primary_600)",
            button_secondary_background_fill_hover_dark="linear-gradient(90deg, *primary_500, *primary_500)",
            slider_color="*secondary_500",
            slider_color_dark="*secondary_600",
            block_title_text_weight="600",
            block_border_width="3px",
            block_shadow="*shadow_drop_lg",
            button_primary_shadow="*shadow_drop_lg",
            button_large_padding="11px",
            color_accent_soft="*primary_100",
            block_label_background_fill="*primary_200",
        )

orange_red_theme = OrangeRedTheme()

device = torch.device("cuda" if torch.cuda.is_available() else "cpu")

print("CUDA_VISIBLE_DEVICES=", os.environ.get("CUDA_VISIBLE_DEVICES"))
print("torch.__version__ =", torch.__version__)
print("torch.version.cuda =", torch.version.cuda)
print("Using device:", device)

from diffusers import FlowMatchEulerDiscreteScheduler
from qwenimage.pipeline_qwenimage_edit_plus import QwenImageEditPlusPipeline
from qwenimage.transformer_qwenimage import QwenImageTransformer2DModel
from qwenimage.qwen_fa3_processor import QwenDoubleStreamAttnProcessorFA3

dtype = torch.bfloat16

pipe = QwenImageEditPlusPipeline.from_pretrained(
    "Qwen/Qwen-Image-Edit-2511",
    transformer=QwenImageTransformer2DModel.from_pretrained(
        "linoyts/Qwen-Image-Edit-Rapid-AIO",
        subfolder='transformer',
        torch_dtype=dtype,
        device_map='cuda'
    ),
    torch_dtype=dtype
).to(device)

try:
    pipe.transformer.set_attn_processor(QwenDoubleStreamAttnProcessorFA3())
    print("Flash Attention 3 Processor set successfully.")
except Exception as e:
    print(f"Warning: Could not set FA3 processor: {e}")

MAX_SEED = np.iinfo(np.int32).max
TMP_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'tmp_rerun')
os.makedirs(TMP_DIR, exist_ok=True)

ADAPTER_SPECS = {
    "Multiple-Angles": {
        "repo": "dx8152/Qwen-Edit-2509-Multiple-angles",
        "weights": "镜头转换.safetensors",
        "adapter_name": "multiple-angles"
    },
    "Photo-to-Anime": {
        "repo": "autoweeb/Qwen-Image-Edit-2509-Photo-to-Anime",
        "weights": "Qwen-Image-Edit-2509-Photo-to-Anime_000001000.safetensors",
        "adapter_name": "photo-to-anime"
    },
}

LOADED_ADAPTERS = set()

def update_dimensions_on_upload(image):
    if image is None:
        return 1024, 1024
    
    original_width, original_height = image.size
    
    if original_width > original_height:
        new_width = 1024
        aspect_ratio = original_height / original_width
        new_height = int(new_width * aspect_ratio)
    else:
        new_height = 1024
        aspect_ratio = original_width / original_height
        new_width = int(new_height * aspect_ratio)
        
    new_width = (new_width // 8) * 8
    new_height = (new_height // 8) * 8
    
    return new_width, new_height

@spaces.GPU
def infer(
    input_image,
    prompt,
    lora_adapter,
    seed,
    randomize_seed,
    guidance_scale,
    steps,
    progress=gr.Progress(track_tqdm=True)
):
    gc.collect()
    torch.cuda.empty_cache()

    if input_image is None:
        raise gr.Error("Please upload an image to edit.")

    spec = ADAPTER_SPECS.get(lora_adapter)
    if not spec:
        raise gr.Error(f"Configuration not found for: {lora_adapter}")

    adapter_name = spec["adapter_name"]

    if adapter_name not in LOADED_ADAPTERS:
        print(f"--- Downloading and Loading Adapter: {lora_adapter} ---")
        try:
            pipe.load_lora_weights(
                spec["repo"], 
                weight_name=spec["weights"], 
                adapter_name=adapter_name
            )
            LOADED_ADAPTERS.add(adapter_name)
        except Exception as e:
            raise gr.Error(f"Failed to load adapter {lora_adapter}: {e}")
    else:
        print(f"--- Adapter {lora_adapter} is already loaded. ---")

    pipe.set_adapters([adapter_name], adapter_weights=[1.0])

    if randomize_seed:
        seed = random.randint(0, MAX_SEED)

    generator = torch.Generator(device=device).manual_seed(seed)
    negative_prompt = "worst quality, low quality, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, jpeg artifacts, signature, watermark, username, blurry"

    original_image = input_image.convert("RGB")
    width, height = update_dimensions_on_upload(original_image)

    try:
        progress(0.4, desc="Generating Image...")
        result_image = pipe(
            image=original_image,
            prompt=prompt,
            negative_prompt=negative_prompt,
            height=height,
            width=width,
            num_inference_steps=steps,
            generator=generator,
            true_cfg_scale=guidance_scale,
        ).images[0]
        
        # --- Rerun Visualization Logic ---
        progress(0.9, desc="Preparing Rerun Visualization...")
        
        run_id = str(uuid.uuid4())
        
        # Handle different Rerun SDK versions robustly
        rec = None
        if hasattr(rr, "new_recording"):
            # Newer Rerun versions
            rec = rr.new_recording(application_id="Qwen-Image-Edit", recording_id=run_id)
        elif hasattr(rr, "RecordingStream"):
             # Alternative direct class instantiation
            rec = rr.RecordingStream(application_id="Qwen-Image-Edit", recording_id=run_id)
        else:
            # Fallback for older versions or simple scripts (Global State)
            rr.init("Qwen-Image-Edit", recording_id=run_id, spawn=False)
            rec = rr
            
        # Log images to Rerun
        # rec.log handles logging for both RecordingStream objects and the global rr module
        rec.log("images/original", rr.Image(np.array(original_image)))
        rec.log("images/edited", rr.Image(np.array(result_image)))
        
        # Save RRD
        rrd_path = os.path.join(TMP_DIR, f"{run_id}.rrd")
        rec.save(rrd_path)

        # Save Image for Download
        image_path = os.path.join(TMP_DIR, f"{run_id}.png")
        result_image.save(image_path)
        
        # Create HTML download bar
        download_html = f'''
        <a href="/file={image_path}" download="edited_image_{run_id}.png" target="_blank" style="
            display: block;
            width: 100%;
            background-color: #FF4500;
            color: white;
            text-align: center;
            padding: 10px 0;
            margin-top: 10px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-family: 'Outfit', sans-serif;
            transition: background-color 0.2s;
        " onmouseover="this.style.backgroundColor='#E63E00'" onmouseout="this.style.backgroundColor='#FF4500'">
            Download Generated Image
        </a>
        '''
        
        return rrd_path, download_html, seed

    except Exception as e:
        raise e
    finally:
        gc.collect()
        torch.cuda.empty_cache()

@spaces.GPU
def infer_example(input_image, prompt, lora_adapter):
    if input_image is None:
        return None, None, 0
    
    input_pil = input_image.convert("RGB")
    guidance_scale = 1.0
    steps = 4
    # Call main infer but ignore progress for examples if needed
    result_rrd, download_html, seed = infer(input_pil, prompt, lora_adapter, 0, True, guidance_scale, steps)
    return result_rrd, download_html, seed

css="""
#col-container {
    margin: 0 auto;
    max-width: 1000px;
}
#main-title h1 {font-size: 2.2em !important;}
"""

with gr.Blocks() as demo:
    with gr.Column(elem_id="col-container"):
        gr.Markdown("# **Qwen-Image-Edit-2511-LoRAs-Fast**", elem_id="main-title")
        gr.Markdown("Perform diverse image edits using specialized [LoRA](https://huggingface.co/models?other=base_model:adapter:Qwen/Qwen-Image-Edit-2511) adapters for the [Qwen-Image-Edit](https://huggingface.co/Qwen/Qwen-Image-Edit-2511) model.")

        with gr.Row(equal_height=True):
            with gr.Column():
                input_image = gr.Image(label="Upload Image", type="pil", height=290)
                
                prompt = gr.Text(
                    label="Edit Prompt",
                    show_label=True,
                    placeholder="e.g., transform into anime..",
                )

                run_button = gr.Button("Edit Image", variant="primary")

            with gr.Column():
                # Replaced standard Image with Rerun Viewer
                rerun_output = Rerun(
                    label="Rerun Visualization", 
                    height=353
                )
                # HTML Download Bar
                download_html = gr.HTML()
                
                with gr.Row():
                    lora_adapter = gr.Dropdown(
                        label="Choose Editing Style",
                        choices=list(ADAPTER_SPECS.keys()),
                        value="Photo-to-Anime"
                    )
                


                with gr.Accordion("Advanced Settings", open=False, visible=False):
                    seed = gr.Slider(label="Seed", minimum=0, maximum=MAX_SEED, step=1, value=0)
                    randomize_seed = gr.Checkbox(label="Randomize Seed", value=True)
                    guidance_scale = gr.Slider(label="Guidance Scale", minimum=1.0, maximum=10.0, step=0.1, value=1.0)
                    steps = gr.Slider(label="Inference Steps", minimum=1, maximum=50, step=1, value=4)
        
        gr.Examples(
            examples=[
                ["examples/B.jpg", "Transform into anime.", "Photo-to-Anime"],
                ["examples/A.jpeg", "Rotate the camera 45 degrees to the right.", "Multiple-Angles"],
            ],
            inputs=[input_image, prompt, lora_adapter],
            outputs=[rerun_output, download_html, seed],
            fn=infer_example,
            cache_examples=False,
            label="Examples"
        )
        
        gr.Markdown("[*](https://huggingface.co/spaces/prithivMLmods/Qwen-Image-Edit-2511-LoRAs-Fast)This is still an experimental Space for Qwen-Image-Edit-2511; you can use [Qwen-Image-Edit-2509-LoRAs-Fast](https://huggingface.co/spaces/prithivMLmods/Qwen-Image-Edit-2509-LoRAs-Fast) instead. This Space will be updated soon.")

    run_button.click(
        fn=infer,
        inputs=[input_image, prompt, lora_adapter, seed, randomize_seed, guidance_scale, steps],
        outputs=[rerun_output, download_html, seed]
    )

if __name__ == "__main__":
    demo.queue(max_size=30).launch(css=css, theme=orange_red_theme, mcp_server=True, ssr_mode=False, show_error=True)