| import os | |
| def inject(assembler, chain_definition, chain_items): | |
| if not chain_items: | |
| return | |
| valid_images = [] | |
| for item in chain_items: | |
| if not item: | |
| continue | |
| img_path = item | |
| if isinstance(item, dict): | |
| img_path = item.get('image') or item.get('filename') or item.get('path') | |
| if img_path: | |
| valid_images.append(img_path) | |
| if not valid_images: | |
| return | |
| text_encode_name = chain_definition.get('text_encode_node') | |
| text_encode_id = None | |
| if text_encode_name and text_encode_name in assembler.node_map: | |
| text_encode_id = assembler.node_map[text_encode_name] | |
| else: | |
| for node_id, node in assembler.workflow.items(): | |
| if isinstance(node, dict) and node.get('class_type') == 'TextEncodeMageFlowEdit': | |
| text_encode_id = node_id | |
| break | |
| if not text_encode_id or text_encode_id not in assembler.workflow: | |
| print("Warning: TextEncodeMageFlowEdit node not found for Reference Image chain. Skipping.") | |
| return | |
| vae_node_name = chain_definition.get('vae_node', 'vae_loader') | |
| vae_node_id = assembler.node_map.get(vae_node_name) | |
| if not vae_node_id: | |
| for node_id, node in assembler.workflow.items(): | |
| if isinstance(node, dict) and node.get('class_type') == 'VAELoader': | |
| vae_node_id = node_id | |
| break | |
| if vae_node_id: | |
| assembler.workflow[text_encode_id]['inputs']['vae'] = [vae_node_id, 0] | |
| for i, img_filename in enumerate(valid_images): | |
| load_id = assembler._get_unique_id() | |
| load_node = assembler._get_node_template("LoadImage") | |
| load_node['inputs']['image'] = img_filename | |
| load_node['_meta']['title'] = f"Load Reference Image {i+1}" | |
| assembler.workflow[load_id] = load_node | |
| scale_id = assembler._get_unique_id() | |
| scale_node = assembler._get_node_template("ImageScaleToTotalPixels") | |
| scale_node['inputs']['megapixels'] = 1.0 | |
| scale_node['inputs']['upscale_method'] = "nearest-exact" | |
| scale_node['inputs']['resolution_steps'] = 1 | |
| scale_node['inputs']['image'] = [load_id, 0] | |
| scale_node['_meta']['title'] = f"Scale Reference {i+1}" | |
| assembler.workflow[scale_id] = scale_node | |
| input_key = f"images.image_{i+1}" | |
| assembler.workflow[text_encode_id]['inputs'][input_key] = [scale_id, 0] | |
| print(f"Reference Image injector applied. Injected {len(valid_images)} reference images to TextEncodeMageFlowEdit node '{text_encode_id}'.") | |