mirror of
https://github.com/oobabooga/text-generation-webui.git
synced 2025-12-06 07:12:10 +01:00
848 lines
32 KiB
Python
848 lines
32 KiB
Python
import json
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import os
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import time
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import traceback
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from datetime import datetime
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from pathlib import Path
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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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from PIL.PngImagePlugin import PngInfo
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from modules import shared, ui, utils
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from modules.image_models import (
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get_pipeline_type,
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load_image_model,
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unload_image_model
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)
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from modules.logging_colors import logger
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from modules.text_generation import stop_everything_event
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from modules.utils import gradio
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ASPECT_RATIOS = {
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"1:1 Square": (1, 1),
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"16:9 Cinema": (16, 9),
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"9:16 Mobile": (9, 16),
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"4:3 Photo": (4, 3),
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"Custom": None,
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}
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STEP = 16
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IMAGES_PER_PAGE = 64
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# Settings keys to save in PNG metadata (Generate tab only)
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METADATA_SETTINGS_KEYS = [
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'image_prompt',
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'image_neg_prompt',
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'image_width',
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'image_height',
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'image_aspect_ratio',
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'image_steps',
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'image_seed',
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'image_batch_size',
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'image_batch_count',
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'image_cfg_scale',
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]
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# Cache for all image paths
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_image_cache = []
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_cache_timestamp = 0
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def round_to_step(value, step=STEP):
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return round(value / step) * step
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def clamp(value, min_val, max_val):
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return max(min_val, min(max_val, value))
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def apply_aspect_ratio(aspect_ratio, current_width, current_height):
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if aspect_ratio == "Custom" or aspect_ratio not in ASPECT_RATIOS:
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return current_width, current_height
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w_ratio, h_ratio = ASPECT_RATIOS[aspect_ratio]
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if w_ratio == h_ratio:
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base = min(current_width, current_height)
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new_width = base
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new_height = base
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elif w_ratio < h_ratio:
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new_width = current_width
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new_height = round_to_step(current_width * h_ratio / w_ratio)
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else:
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new_height = current_height
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new_width = round_to_step(current_height * w_ratio / h_ratio)
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new_width = clamp(new_width, 256, 2048)
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new_height = clamp(new_height, 256, 2048)
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return int(new_width), int(new_height)
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def update_height_from_width(width, aspect_ratio):
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if aspect_ratio == "Custom" or aspect_ratio not in ASPECT_RATIOS:
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return gr.update()
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w_ratio, h_ratio = ASPECT_RATIOS[aspect_ratio]
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new_height = round_to_step(width * h_ratio / w_ratio)
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new_height = clamp(new_height, 256, 2048)
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return int(new_height)
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def update_width_from_height(height, aspect_ratio):
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if aspect_ratio == "Custom" or aspect_ratio not in ASPECT_RATIOS:
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return gr.update()
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w_ratio, h_ratio = ASPECT_RATIOS[aspect_ratio]
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new_width = round_to_step(height * w_ratio / h_ratio)
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new_width = clamp(new_width, 256, 2048)
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return int(new_width)
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def swap_dimensions_and_update_ratio(width, height, aspect_ratio):
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new_width, new_height = height, width
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new_ratio = "Custom"
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for name, ratios in ASPECT_RATIOS.items():
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if ratios is None:
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continue
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w_r, h_r = ratios
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expected_height = new_width * h_r / w_r
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if abs(expected_height - new_height) < STEP:
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new_ratio = name
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break
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return new_width, new_height, new_ratio
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def build_generation_metadata(state, actual_seed):
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"""Build metadata dict from generation settings."""
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metadata = {}
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for key in METADATA_SETTINGS_KEYS:
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if key in state:
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metadata[key] = state[key]
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# Store the actual seed used (not -1)
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metadata['image_seed'] = actual_seed
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metadata['generated_at'] = datetime.now().isoformat()
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metadata['model'] = shared.image_model_name
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return metadata
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def save_generated_images(images, state, actual_seed):
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"""Save images with generation metadata embedded in PNG."""
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date_str = datetime.now().strftime("%Y-%m-%d")
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folder_path = os.path.join("user_data", "image_outputs", date_str)
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os.makedirs(folder_path, exist_ok=True)
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metadata = build_generation_metadata(state, actual_seed)
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metadata_json = json.dumps(metadata, ensure_ascii=False)
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for idx, img in enumerate(images):
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timestamp = datetime.now().strftime("%H-%M-%S")
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filename = f"{timestamp}_{actual_seed:010d}_{idx:03d}.png"
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filepath = os.path.join(folder_path, filename)
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# Create PNG metadata
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png_info = PngInfo()
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png_info.add_text("image_gen_settings", metadata_json)
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# Save with metadata
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img.save(filepath, pnginfo=png_info)
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def read_image_metadata(image_path):
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"""Read generation metadata from PNG file."""
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try:
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with Image.open(image_path) as img:
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if hasattr(img, 'text') and 'image_gen_settings' in img.text:
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return json.loads(img.text['image_gen_settings'])
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except Exception as e:
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logger.debug(f"Could not read metadata from {image_path}: {e}")
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return None
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def format_metadata_for_display(metadata):
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"""Format metadata as readable text."""
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if not metadata:
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return "No generation settings found in this image."
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lines = ["**Generation Settings**", ""]
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# Display in a nice order
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display_order = [
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('image_prompt', 'Prompt'),
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('image_neg_prompt', 'Negative Prompt'),
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('image_width', 'Width'),
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('image_height', 'Height'),
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('image_aspect_ratio', 'Aspect Ratio'),
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('image_steps', 'Steps'),
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('image_cfg_scale', 'CFG Scale'),
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('image_seed', 'Seed'),
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('image_batch_size', 'Batch Size'),
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('image_batch_count', 'Batch Count'),
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('model', 'Model'),
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('generated_at', 'Generated At'),
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]
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for key, label in display_order:
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if key in metadata:
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value = metadata[key]
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if key in ['image_prompt', 'image_neg_prompt'] and value:
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# Truncate long prompts for display
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if len(str(value)) > 200:
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value = str(value)[:200] + "..."
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lines.append(f"**{label}:** {value}")
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return "\n\n".join(lines)
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def get_all_history_images(force_refresh=False):
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"""Get all history images sorted by modification time (newest first). Uses caching."""
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global _image_cache, _cache_timestamp
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output_dir = os.path.join("user_data", "image_outputs")
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if not os.path.exists(output_dir):
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return []
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# Check if we need to refresh cache
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current_time = time.time()
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if not force_refresh and _image_cache and (current_time - _cache_timestamp) < 2:
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return _image_cache
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image_files = []
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for root, _, files in os.walk(output_dir):
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for file in files:
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if file.endswith((".png", ".jpg", ".jpeg")):
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full_path = os.path.join(root, file)
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image_files.append((full_path, os.path.getmtime(full_path)))
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image_files.sort(key=lambda x: x[1], reverse=True)
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_image_cache = [x[0] for x in image_files]
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_cache_timestamp = current_time
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return _image_cache
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def get_paginated_images(page=0, force_refresh=False):
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"""Get images for a specific page."""
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all_images = get_all_history_images(force_refresh)
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total_images = len(all_images)
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total_pages = max(1, (total_images + IMAGES_PER_PAGE - 1) // IMAGES_PER_PAGE)
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# Clamp page to valid range
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page = max(0, min(page, total_pages - 1))
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start_idx = page * IMAGES_PER_PAGE
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end_idx = min(start_idx + IMAGES_PER_PAGE, total_images)
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page_images = all_images[start_idx:end_idx]
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return page_images, page, total_pages, total_images
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def get_initial_page_info():
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"""Get page info string for initial load."""
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_, page, total_pages, total_images = get_paginated_images(0)
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return f"Page {page + 1} of {total_pages} ({total_images} total images)"
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def refresh_gallery(current_page=0):
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"""Refresh gallery with current page."""
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images, page, total_pages, total_images = get_paginated_images(current_page, force_refresh=True)
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page_info = f"Page {page + 1} of {total_pages} ({total_images} total images)"
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return images, page, page_info
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def go_to_page(page_num, current_page):
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"""Go to a specific page (1-indexed input)."""
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try:
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page = int(page_num) - 1 # Convert to 0-indexed
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except (ValueError, TypeError):
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page = current_page
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images, page, total_pages, total_images = get_paginated_images(page)
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page_info = f"Page {page + 1} of {total_pages} ({total_images} total images)"
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return images, page, page_info
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def next_page(current_page):
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"""Go to next page."""
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images, page, total_pages, total_images = get_paginated_images(current_page + 1)
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page_info = f"Page {page + 1} of {total_pages} ({total_images} total images)"
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return images, page, page_info
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def prev_page(current_page):
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"""Go to previous page."""
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images, page, total_pages, total_images = get_paginated_images(current_page - 1)
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page_info = f"Page {page + 1} of {total_pages} ({total_images} total images)"
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return images, page, page_info
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def on_gallery_select(evt: gr.SelectData, current_page):
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"""Handle image selection from gallery."""
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if evt.index is None:
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return "", "Select an image to view its settings"
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if not _image_cache:
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get_all_history_images()
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# Get the current page's images to find the actual file path
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all_images = _image_cache
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total_images = len(all_images)
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# Calculate the actual index in the full list
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start_idx = current_page * IMAGES_PER_PAGE
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actual_idx = start_idx + evt.index
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if actual_idx >= total_images:
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return "", "Image not found"
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image_path = all_images[actual_idx]
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metadata = read_image_metadata(image_path)
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metadata_display = format_metadata_for_display(metadata)
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return image_path, metadata_display
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def send_to_generate(selected_image_path):
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"""Load settings from selected image and return updates for all Generate tab inputs."""
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if not selected_image_path or not os.path.exists(selected_image_path):
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return [gr.update()] * 10 + ["No image selected"]
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metadata = read_image_metadata(selected_image_path)
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if not metadata:
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return [gr.update()] * 10 + ["No settings found in this image"]
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# Return updates for each input element in order
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updates = [
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gr.update(value=metadata.get('image_prompt', '')),
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gr.update(value=metadata.get('image_neg_prompt', '')),
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gr.update(value=metadata.get('image_width', 1024)),
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gr.update(value=metadata.get('image_height', 1024)),
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gr.update(value=metadata.get('image_aspect_ratio', '1:1 Square')),
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gr.update(value=metadata.get('image_steps', 9)),
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gr.update(value=metadata.get('image_seed', -1)),
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gr.update(value=metadata.get('image_batch_size', 1)),
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gr.update(value=metadata.get('image_batch_count', 1)),
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gr.update(value=metadata.get('image_cfg_scale', 0.0)),
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]
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status = f"✓ Settings loaded from image (seed: {metadata.get('image_seed', 'unknown')})"
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return updates + [status]
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def read_dropped_image_metadata(image_path):
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"""Read metadata from a dropped/uploaded image."""
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if not image_path:
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return "Drop an image to view its generation settings."
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metadata = read_image_metadata(image_path)
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return format_metadata_for_display(metadata)
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def create_ui():
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if shared.settings['image_model_menu'] != 'None':
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shared.image_model_name = shared.settings['image_model_menu']
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with gr.Tab("Image AI", elem_id="image-ai-tab"):
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with gr.Tabs():
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# TAB 1: GENERATE
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with gr.TabItem("Generate"):
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with gr.Row():
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with gr.Column(scale=4, min_width=350):
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shared.gradio['image_prompt'] = gr.Textbox(
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label="Prompt",
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placeholder="Describe your imagination...",
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lines=3,
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autofocus=True,
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value=shared.settings['image_prompt']
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)
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shared.gradio['image_neg_prompt'] = gr.Textbox(
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label="Negative Prompt",
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placeholder="Low quality...",
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lines=3,
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value=shared.settings['image_neg_prompt']
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)
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shared.gradio['image_generate_btn'] = gr.Button("Generate", variant="primary", size="lg")
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shared.gradio['image_stop_btn'] = gr.Button("Stop", size="lg", visible=False)
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gr.HTML("<hr style='border-top: 1px solid #444; margin: 20px 0;'>")
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gr.Markdown("### Dimensions")
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with gr.Row():
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with gr.Column():
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shared.gradio['image_width'] = gr.Slider(256, 2048, value=shared.settings['image_width'], step=STEP, label="Width")
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with gr.Column():
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shared.gradio['image_height'] = gr.Slider(256, 2048, value=shared.settings['image_height'], step=STEP, label="Height")
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shared.gradio['image_swap_btn'] = gr.Button("⇄ Swap", elem_classes='refresh-button', scale=0, min_width=80, elem_id="swap-height-width")
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with gr.Row():
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shared.gradio['image_aspect_ratio'] = gr.Radio(
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choices=["1:1 Square", "16:9 Cinema", "9:16 Mobile", "4:3 Photo", "Custom"],
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value=shared.settings['image_aspect_ratio'],
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label="Aspect Ratio",
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interactive=True
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)
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gr.Markdown("### Config")
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with gr.Row():
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with gr.Column():
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shared.gradio['image_steps'] = gr.Slider(1, 100, value=shared.settings['image_steps'], step=1, label="Steps")
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shared.gradio['image_cfg_scale'] = gr.Slider(
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0.0, 10.0,
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value=shared.settings['image_cfg_scale'],
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step=0.1,
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label="CFG Scale",
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info="Z-Image Turbo: 0.0 | Qwen: 4.0"
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)
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shared.gradio['image_seed'] = gr.Number(label="Seed", value=shared.settings['image_seed'], precision=0, info="-1 = Random")
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with gr.Column():
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shared.gradio['image_batch_size'] = gr.Slider(1, 32, value=shared.settings['image_batch_size'], step=1, label="Batch Size (VRAM Heavy)", info="Generates N images at once.")
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shared.gradio['image_batch_count'] = gr.Slider(1, 128, value=shared.settings['image_batch_count'], step=1, label="Sequential Count (Loop)", info="Repeats the generation N times.")
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with gr.Column(scale=6, min_width=500):
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with gr.Column(elem_classes=["viewport-container"]):
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shared.gradio['image_output_gallery'] = gr.Gallery(label="Output", show_label=False, columns=2, rows=2, height="80vh", object_fit="contain", preview=True, elem_id="image-output-gallery")
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# TAB 2: GALLERY (with pagination)
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with gr.TabItem("Gallery"):
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with gr.Row():
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with gr.Column(scale=3):
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# Pagination controls
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with gr.Row():
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shared.gradio['image_refresh_history'] = gr.Button("🔄 Refresh", elem_classes="refresh-button")
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shared.gradio['image_prev_page'] = gr.Button("◀ Prev", elem_classes="refresh-button")
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shared.gradio['image_page_info'] = gr.Markdown(value=get_initial_page_info, elem_id="image-page-info")
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shared.gradio['image_next_page'] = gr.Button("Next ▶", elem_classes="refresh-button")
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shared.gradio['image_page_input'] = gr.Number(value=1, label="Page", precision=0, minimum=1, scale=0, min_width=80)
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shared.gradio['image_go_to_page'] = gr.Button("Go", elem_classes="refresh-button", scale=0, min_width=50)
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# State for current page and selected image path
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shared.gradio['image_current_page'] = gr.State(value=0)
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shared.gradio['image_selected_path'] = gr.State(value="")
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# Paginated gallery using gr.Gallery
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shared.gradio['image_history_gallery'] = gr.Gallery(
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value=lambda: get_paginated_images(0)[0],
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label="Image History",
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show_label=False,
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columns=6,
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object_fit="cover",
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height="auto",
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allow_preview=True,
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elem_id="image-history-gallery"
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)
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with gr.Column(scale=1):
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gr.Markdown("### Selected Image")
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shared.gradio['image_settings_display'] = gr.Markdown("Select an image to view its settings")
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shared.gradio['image_send_to_generate'] = gr.Button("Send to Generate", variant="primary")
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shared.gradio['image_gallery_status'] = gr.Markdown("")
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gr.Markdown("### Import Image")
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shared.gradio['image_drop_upload'] = gr.Image(
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label="Drop image here to view settings",
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type="filepath",
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height=150
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)
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# TAB 3: MODEL
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with gr.TabItem("Model"):
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with gr.Row():
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with gr.Column():
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with gr.Row():
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shared.gradio['image_model_menu'] = gr.Dropdown(
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choices=utils.get_available_image_models(),
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value=shared.settings['image_model_menu'],
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label='Model',
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elem_classes='slim-dropdown'
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)
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shared.gradio['image_refresh_models'] = gr.Button("🔄", elem_classes='refresh-button', scale=0, min_width=40)
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shared.gradio['image_load_model'] = gr.Button("Load", variant='primary', elem_classes='refresh-button')
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shared.gradio['image_unload_model'] = gr.Button("Unload", elem_classes='refresh-button')
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gr.Markdown("## Settings")
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with gr.Row():
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with gr.Column():
|
|
shared.gradio['image_quant'] = gr.Dropdown(
|
|
label='Quantization',
|
|
choices=['none', 'bnb-8bit', 'bnb-4bit', 'torchao-int8wo', 'torchao-fp4', 'torchao-float8wo'],
|
|
value=shared.settings['image_quant'],
|
|
info='BnB: bitsandbytes quantization. torchao: int8wo, fp4, float8wo.'
|
|
)
|
|
|
|
shared.gradio['image_dtype'] = gr.Dropdown(
|
|
choices=['bfloat16', 'float16'],
|
|
value=shared.settings['image_dtype'],
|
|
label='Data Type',
|
|
info='bfloat16 recommended for modern GPUs'
|
|
)
|
|
shared.gradio['image_attn_backend'] = gr.Dropdown(
|
|
choices=['sdpa', 'flash_attention_2', 'flash_attention_3'],
|
|
value=shared.settings['image_attn_backend'],
|
|
label='Attention Backend',
|
|
info='SDPA is default. Flash Attention requires compatible GPU.'
|
|
)
|
|
with gr.Column():
|
|
shared.gradio['image_compile'] = gr.Checkbox(
|
|
value=shared.settings['image_compile'],
|
|
label='Compile Model',
|
|
info='Faster inference after first run. First run will be slow.'
|
|
)
|
|
shared.gradio['image_cpu_offload'] = gr.Checkbox(
|
|
value=shared.settings['image_cpu_offload'],
|
|
label='CPU Offload',
|
|
info='Enable for low VRAM GPUs. Slower but uses less memory.'
|
|
)
|
|
|
|
with gr.Column():
|
|
shared.gradio['image_download_path'] = gr.Textbox(
|
|
label="Download model",
|
|
placeholder="Tongyi-MAI/Z-Image-Turbo",
|
|
info="Enter HuggingFace path. Use : for branch, e.g. user/model:main"
|
|
)
|
|
shared.gradio['image_download_btn'] = gr.Button("Download", variant='primary')
|
|
shared.gradio['image_model_status'] = gr.Markdown(value="")
|
|
|
|
|
|
def create_event_handlers():
|
|
# Dimension controls
|
|
shared.gradio['image_aspect_ratio'].change(
|
|
apply_aspect_ratio,
|
|
gradio('image_aspect_ratio', 'image_width', 'image_height'),
|
|
gradio('image_width', 'image_height'),
|
|
show_progress=False
|
|
)
|
|
|
|
shared.gradio['image_width'].release(
|
|
update_height_from_width,
|
|
gradio('image_width', 'image_aspect_ratio'),
|
|
gradio('image_height'),
|
|
show_progress=False
|
|
)
|
|
|
|
shared.gradio['image_height'].release(
|
|
update_width_from_height,
|
|
gradio('image_height', 'image_aspect_ratio'),
|
|
gradio('image_width'),
|
|
show_progress=False
|
|
)
|
|
|
|
shared.gradio['image_swap_btn'].click(
|
|
swap_dimensions_and_update_ratio,
|
|
gradio('image_width', 'image_height', 'image_aspect_ratio'),
|
|
gradio('image_width', 'image_height', 'image_aspect_ratio'),
|
|
show_progress=False
|
|
)
|
|
|
|
# Generation
|
|
shared.gradio['image_generate_btn'].click(
|
|
ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
|
|
lambda: [gr.update(visible=True), gr.update(visible=False)], None, gradio('image_stop_btn', 'image_generate_btn')).then(
|
|
generate, gradio('interface_state'), gradio('image_output_gallery'), show_progress=False).then(
|
|
lambda: [gr.update(visible=False), gr.update(visible=True)], None, gradio('image_stop_btn', 'image_generate_btn'))
|
|
|
|
shared.gradio['image_prompt'].submit(
|
|
ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
|
|
lambda: [gr.update(visible=True), gr.update(visible=False)], None, gradio('image_stop_btn', 'image_generate_btn')).then(
|
|
generate, gradio('interface_state'), gradio('image_output_gallery'), show_progress=False).then(
|
|
lambda: [gr.update(visible=False), gr.update(visible=True)], None, gradio('image_stop_btn', 'image_generate_btn'))
|
|
|
|
shared.gradio['image_neg_prompt'].submit(
|
|
ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
|
|
lambda: [gr.update(visible=True), gr.update(visible=False)], None, gradio('image_stop_btn', 'image_generate_btn')).then(
|
|
generate, gradio('interface_state'), gradio('image_output_gallery'), show_progress=False).then(
|
|
lambda: [gr.update(visible=False), gr.update(visible=True)], None, gradio('image_stop_btn', 'image_generate_btn'))
|
|
|
|
# Stop button
|
|
shared.gradio['image_stop_btn'].click(
|
|
stop_everything_event, None, None, show_progress=False
|
|
)
|
|
|
|
# Model management
|
|
shared.gradio['image_refresh_models'].click(
|
|
lambda: gr.update(choices=utils.get_available_image_models()),
|
|
None,
|
|
gradio('image_model_menu'),
|
|
show_progress=False
|
|
)
|
|
|
|
shared.gradio['image_load_model'].click(
|
|
load_image_model_wrapper,
|
|
gradio('image_model_menu', 'image_dtype', 'image_attn_backend', 'image_cpu_offload', 'image_compile', 'image_quant'),
|
|
gradio('image_model_status'),
|
|
show_progress=True
|
|
)
|
|
|
|
shared.gradio['image_unload_model'].click(
|
|
unload_image_model_wrapper,
|
|
None,
|
|
gradio('image_model_status'),
|
|
show_progress=False
|
|
)
|
|
|
|
shared.gradio['image_download_btn'].click(
|
|
download_image_model_wrapper,
|
|
gradio('image_download_path'),
|
|
gradio('image_model_status', 'image_model_menu'),
|
|
show_progress=True
|
|
)
|
|
|
|
# Gallery pagination handlers
|
|
shared.gradio['image_refresh_history'].click(
|
|
refresh_gallery,
|
|
gradio('image_current_page'),
|
|
gradio('image_history_gallery', 'image_current_page', 'image_page_info'),
|
|
show_progress=False
|
|
)
|
|
|
|
shared.gradio['image_next_page'].click(
|
|
next_page,
|
|
gradio('image_current_page'),
|
|
gradio('image_history_gallery', 'image_current_page', 'image_page_info'),
|
|
show_progress=False
|
|
)
|
|
|
|
shared.gradio['image_prev_page'].click(
|
|
prev_page,
|
|
gradio('image_current_page'),
|
|
gradio('image_history_gallery', 'image_current_page', 'image_page_info'),
|
|
show_progress=False
|
|
)
|
|
|
|
shared.gradio['image_go_to_page'].click(
|
|
go_to_page,
|
|
gradio('image_page_input', 'image_current_page'),
|
|
gradio('image_history_gallery', 'image_current_page', 'image_page_info'),
|
|
show_progress=False
|
|
)
|
|
|
|
# Image selection from gallery
|
|
shared.gradio['image_history_gallery'].select(
|
|
on_gallery_select,
|
|
gradio('image_current_page'),
|
|
gradio('image_selected_path', 'image_settings_display'),
|
|
show_progress=False
|
|
)
|
|
|
|
# Send to Generate
|
|
shared.gradio['image_send_to_generate'].click(
|
|
send_to_generate,
|
|
gradio('image_selected_path'),
|
|
gradio(
|
|
'image_prompt',
|
|
'image_neg_prompt',
|
|
'image_width',
|
|
'image_height',
|
|
'image_aspect_ratio',
|
|
'image_steps',
|
|
'image_seed',
|
|
'image_batch_size',
|
|
'image_batch_count',
|
|
'image_cfg_scale',
|
|
'image_gallery_status'
|
|
),
|
|
show_progress=False
|
|
)
|
|
|
|
shared.gradio['image_drop_upload'].change(
|
|
read_dropped_image_metadata,
|
|
gradio('image_drop_upload'),
|
|
gradio('image_settings_display'),
|
|
show_progress=False
|
|
)
|
|
|
|
|
|
def generate(state):
|
|
"""
|
|
Generate images using the loaded model.
|
|
Automatically adjusts parameters based on pipeline type.
|
|
"""
|
|
import torch
|
|
|
|
from modules.torch_utils import clear_torch_cache, get_device
|
|
|
|
clear_torch_cache()
|
|
|
|
try:
|
|
model_name = state['image_model_menu']
|
|
|
|
if not model_name or model_name == 'None':
|
|
logger.error("No image model selected. Go to the Model tab and select a model.")
|
|
return []
|
|
|
|
if shared.image_model is None:
|
|
result = load_image_model(
|
|
model_name,
|
|
dtype=state['image_dtype'],
|
|
attn_backend=state['image_attn_backend'],
|
|
cpu_offload=state['image_cpu_offload'],
|
|
compile_model=state['image_compile'],
|
|
quant_method=state['image_quant']
|
|
)
|
|
if result is None:
|
|
logger.error(f"Failed to load model `{model_name}`.")
|
|
return []
|
|
|
|
shared.image_model_name = model_name
|
|
|
|
seed = state['image_seed']
|
|
if seed == -1:
|
|
seed = np.random.randint(0, 2**32 - 1)
|
|
|
|
device = get_device()
|
|
if device is None:
|
|
device = "cpu"
|
|
generator = torch.Generator(device).manual_seed(int(seed))
|
|
|
|
all_images = []
|
|
|
|
# Get pipeline type for parameter adjustment
|
|
pipeline_type = getattr(shared, 'image_pipeline_type', None)
|
|
if pipeline_type is None:
|
|
pipeline_type = get_pipeline_type(shared.image_model)
|
|
|
|
# Process Prompt
|
|
prompt = state['image_prompt']
|
|
|
|
# Apply "Positive Magic" for Qwen models only
|
|
if pipeline_type == 'qwenimage':
|
|
magic_suffix = ", Ultra HD, 4K, cinematic composition"
|
|
# Avoid duplication if user already added it
|
|
if magic_suffix.strip(", ") not in prompt:
|
|
prompt += magic_suffix
|
|
|
|
# Reset stop flag at start
|
|
shared.stop_everything = False
|
|
|
|
# Callback to check for interruption during diffusion steps
|
|
def interrupt_callback(pipe, step_index, timestep, callback_kwargs):
|
|
if shared.stop_everything:
|
|
pipe._interrupt = True
|
|
|
|
return callback_kwargs
|
|
|
|
# Build generation kwargs
|
|
gen_kwargs = {
|
|
"prompt": prompt,
|
|
"negative_prompt": state['image_neg_prompt'],
|
|
"height": int(state['image_height']),
|
|
"width": int(state['image_width']),
|
|
"num_inference_steps": int(state['image_steps']),
|
|
"num_images_per_prompt": int(state['image_batch_size']),
|
|
"generator": generator,
|
|
"callback_on_step_end": interrupt_callback,
|
|
}
|
|
|
|
# Add pipeline-specific parameters for CFG
|
|
cfg_val = state.get('image_cfg_scale', 0.0)
|
|
|
|
if pipeline_type == 'qwenimage':
|
|
# Qwen-Image uses true_cfg_scale (typically 4.0)
|
|
gen_kwargs["true_cfg_scale"] = cfg_val
|
|
else:
|
|
# Z-Image and others use guidance_scale (typically 0.0 for Turbo)
|
|
gen_kwargs["guidance_scale"] = cfg_val
|
|
|
|
t0 = time.time()
|
|
for i in range(int(state['image_batch_count'])):
|
|
if shared.stop_everything:
|
|
break
|
|
|
|
generator.manual_seed(int(seed + i))
|
|
batch_results = shared.image_model(**gen_kwargs).images
|
|
all_images.extend(batch_results)
|
|
|
|
t1 = time.time()
|
|
save_generated_images(all_images, state, seed)
|
|
|
|
total_images = int(state['image_batch_count']) * int(state['image_batch_size'])
|
|
total_steps = state["image_steps"] * int(state['image_batch_count'])
|
|
logger.info(f'Generated {total_images} {"image" if total_images == 1 else "images"} in {(t1 - t0):.2f} seconds ({total_steps / (t1 - t0):.2f} steps/s, seed {seed})')
|
|
|
|
return all_images
|
|
|
|
except Exception as e:
|
|
logger.error(f"Image generation failed: {e}")
|
|
traceback.print_exc()
|
|
return []
|
|
|
|
|
|
def load_image_model_wrapper(model_name, dtype, attn_backend, cpu_offload, compile_model, quant_method):
|
|
if not model_name or model_name == 'None':
|
|
yield "No model selected"
|
|
return
|
|
|
|
try:
|
|
yield f"Loading `{model_name}`..."
|
|
unload_image_model()
|
|
|
|
result = load_image_model(
|
|
model_name,
|
|
dtype=dtype,
|
|
attn_backend=attn_backend,
|
|
cpu_offload=cpu_offload,
|
|
compile_model=compile_model,
|
|
quant_method=quant_method
|
|
)
|
|
|
|
if result is not None:
|
|
shared.image_model_name = model_name
|
|
yield f"✓ Loaded **{model_name}** (quantization: {quant_method})"
|
|
else:
|
|
yield f"✗ Failed to load `{model_name}`"
|
|
except Exception:
|
|
yield f"Error:\n```\n{traceback.format_exc()}\n```"
|
|
|
|
|
|
def unload_image_model_wrapper():
|
|
previous_name = shared.image_model_name
|
|
unload_image_model()
|
|
if previous_name != 'None':
|
|
return f"Model: **{previous_name}** (unloaded)"
|
|
return "No model loaded"
|
|
|
|
|
|
def download_image_model_wrapper(model_path):
|
|
from huggingface_hub import snapshot_download
|
|
|
|
if not model_path:
|
|
yield "No model specified", gr.update()
|
|
return
|
|
|
|
try:
|
|
model_path = model_path.strip()
|
|
if model_path.startswith('https://huggingface.co/'):
|
|
model_path = model_path[len('https://huggingface.co/'):]
|
|
elif model_path.startswith('huggingface.co/'):
|
|
model_path = model_path[len('huggingface.co/'):]
|
|
|
|
if ':' in model_path:
|
|
model_id, branch = model_path.rsplit(':', 1)
|
|
else:
|
|
model_id, branch = model_path, 'main'
|
|
|
|
folder_name = model_id.replace('/', '_')
|
|
output_folder = Path(shared.args.image_model_dir) / folder_name
|
|
|
|
yield f"Downloading `{model_id}` (branch: {branch})...", gr.update()
|
|
|
|
snapshot_download(
|
|
repo_id=model_id,
|
|
revision=branch,
|
|
local_dir=output_folder,
|
|
local_dir_use_symlinks=False,
|
|
)
|
|
|
|
new_choices = utils.get_available_image_models()
|
|
yield f"✓ Downloaded to `{output_folder}`", gr.update(choices=new_choices, value=folder_name)
|
|
except Exception:
|
|
yield f"Error:\n```\n{traceback.format_exc()}\n```", gr.update()
|