checkpoint

__init__.py

@@ -1,10 +1,12 @@
 from .py.lora_manager import LoraManager
 from .py.nodes.lora_loader import LoraManagerLoader
 from .py.nodes.trigger_word_toggle import TriggerWordToggle
+from .py.nodes.lora_stacker import LoraStacker
 
 NODE_CLASS_MAPPINGS = {
     LoraManagerLoader.NAME: LoraManagerLoader,
     TriggerWordToggle.NAME: TriggerWordToggle
+    # LoraStacker.NAME: LoraStacker
 }
 
 WEB_DIRECTORY = "./web/comfyui"

py/nodes/lora_loader.py

@@ -8,7 +8,7 @@ from .utils import FlexibleOptionalInputType, any_type
 
 class LoraManagerLoader:
     NAME = "Lora Loader (LoraManager)"
-    CATEGORY = "loaders"
+    CATEGORY = "Lora Manager/loaders"
 
     @classmethod
     def INPUT_TYPES(cls):
@@ -23,7 +23,10 @@ class LoraManagerLoader:
                     "placeholder": "LoRA syntax input: <lora:name:strength>"
                 }),
             },
-            "optional": FlexibleOptionalInputType(any_type),
+            "optional": {
+                **FlexibleOptionalInputType(any_type),
+                "lora_stack": ("LORA_STACK", {"default": None}),
+            }
         }
 
     RETURN_TYPES = ("MODEL", "CLIP", IO.STRING)
@@ -49,11 +52,32 @@ class LoraManagerLoader:
                             return relative_path, trigger_words
         return lora_name, []  # Fallback if not found
 
-    def load_loras(self, model, clip, text, **kwargs):
-        """Loads multiple LoRAs based on the kwargs input."""
+    def extract_lora_name(self, lora_path):
+        """Extract the lora name from a lora path (e.g., 'IL\\aorunIllstrious.safetensors' -> 'aorunIllstrious')"""
+        # Get the basename without extension
+        basename = os.path.basename(lora_path)
+        return os.path.splitext(basename)[0]
+    
+    def load_loras(self, model, clip, text, lora_stack=None, **kwargs):
+        print("load_loras kwargs: ", kwargs)
+        """Loads multiple LoRAs based on the kwargs input and lora_stack."""
         loaded_loras = []
         all_trigger_words = []
         
+        # First process lora_stack if available
+        if lora_stack:
+            for lora_path, model_strength, clip_strength in lora_stack:
+                # Apply the LoRA using the provided path and strengths
+                model, clip = LoraLoader().load_lora(model, clip, lora_path, model_strength, clip_strength)
+                
+                # Extract lora name for trigger words lookup
+                lora_name = self.extract_lora_name(lora_path)
+                _, trigger_words = asyncio.run(self.get_lora_info(lora_name))
+                
+                all_trigger_words.extend(trigger_words)
+                loaded_loras.append(f"{lora_name}: {model_strength}")
+        
+        # Then process loras from kwargs
         if 'loras' in kwargs:
             for lora in kwargs['loras']:
                 if not lora.get('active', False):

py/nodes/lora_stacker.py

@@ -0,0 +1,94 @@
+from comfy.comfy_types import IO # type: ignore
+from ..services.lora_scanner import LoraScanner
+from ..config import config
+import asyncio
+import os
+from .utils import FlexibleOptionalInputType, any_type
+
+class LoraStacker:
+    NAME = "Lora Stacker (LoraManager)"
+    CATEGORY = "Lora Manager/stackers"
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "text": (IO.STRING, {
+                    "multiline": True, 
+                    "dynamicPrompts": True, 
+                    "tooltip": "Format: <lora:lora_name:strength> separated by spaces or punctuation",
+                    "placeholder": "LoRA syntax input: <lora:name:strength>"
+                }),
+            },
+            "optional": {
+                **FlexibleOptionalInputType(any_type),
+                "lora_stack": ("LORA_STACK", {"default": None}),
+            }
+        }
+
+    RETURN_TYPES = ("LORA_STACK", IO.STRING)
+    RETURN_NAMES = ("LORA_STACK", "trigger_words")
+    FUNCTION = "stack_loras"
+
+    async def get_lora_info(self, lora_name):
+        """Get the lora path and trigger words from cache"""
+        scanner = await LoraScanner.get_instance()
+        cache = await scanner.get_cached_data()
+        
+        for item in cache.raw_data:
+            if item.get('file_name') == lora_name:
+                file_path = item.get('file_path')
+                if file_path:
+                    for root in config.loras_roots:
+                        root = root.replace(os.sep, '/')
+                        if file_path.startswith(root):
+                            relative_path = os.path.relpath(file_path, root).replace(os.sep, '/')
+                            # Get trigger words from civitai metadata
+                            civitai = item.get('civitai', {})
+                            trigger_words = civitai.get('trainedWords', []) if civitai else []
+                            return relative_path, trigger_words
+        return lora_name, []  # Fallback if not found
+
+    def extract_lora_name(self, lora_path):
+        """Extract the lora name from a lora path (e.g., 'IL\\aorunIllstrious.safetensors' -> 'aorunIllstrious')"""
+        # Get the basename without extension
+        basename = os.path.basename(lora_path)
+        return os.path.splitext(basename)[0]
+    
+    def stack_loras(self, text, lora_stack=None, **kwargs):
+        print("stack_loras kwargs: ", kwargs)
+        """Stacks multiple LoRAs based on the kwargs input without loading them."""
+        stack = []
+        all_trigger_words = []
+        
+        # Process existing lora_stack if available
+        if lora_stack:
+            stack.extend(lora_stack)
+            # Get trigger words from existing stack entries
+            for lora_path, _, _ in lora_stack:
+                lora_name = self.extract_lora_name(lora_path)
+                _, trigger_words = asyncio.run(self.get_lora_info(lora_name))
+                all_trigger_words.extend(trigger_words)
+        
+        if 'loras' in kwargs:
+            for lora in kwargs['loras']:
+                if not lora.get('active', False):
+                    continue
+                    
+                lora_name = lora['name']
+                model_strength = float(lora['strength'])
+                clip_strength = model_strength  # Using same strength for both as in the original loader
+                
+                # Get lora path and trigger words
+                lora_path, trigger_words = asyncio.run(self.get_lora_info(lora_name))
+                
+                # Add to stack without loading
+                stack.append((lora_path, model_strength, clip_strength))
+                
+                # Add trigger words to collection
+                all_trigger_words.extend(trigger_words)
+        
+        # use ',, ' to separate trigger words for group mode
+        trigger_words_text = ",, ".join(all_trigger_words) if all_trigger_words else ""
+
+        return (stack, trigger_words_text)

py/nodes/trigger_word_toggle.py

@@ -4,7 +4,7 @@ from .utils import FlexibleOptionalInputType, any_type
 
 class TriggerWordToggle:
     NAME = "TriggerWord Toggle (LoraManager)"
-    CATEGORY = "lora manager"
+    CATEGORY = "Lora Manager/utils"
     DESCRIPTION = "Toggle trigger words on/off"
     
     @classmethod
@@ -13,10 +13,7 @@ class TriggerWordToggle:
             "required": {
                 "group_mode": ("BOOLEAN", {"default": True}),
             },
-            "optional": {
-                **FlexibleOptionalInputType(any_type),
-                "trigger_words": ("STRING", {"default": "", "defaultInput": True}),
-            },
+            "optional": FlexibleOptionalInputType(any_type),
             "hidden": {
                 "id": "UNIQUE_ID",  # 会被 ComfyUI 自动替换为唯一ID
             },
@@ -26,7 +23,9 @@ class TriggerWordToggle:
     RETURN_NAMES = ("filtered_trigger_words",)
     FUNCTION = "process_trigger_words"
 
-    def process_trigger_words(self, id, trigger_words="", **kwargs):
+    def process_trigger_words(self, id, **kwargs):
+        print("trigger_words ", kwargs)
+        trigger_words = kwargs.get("trigger_words", "")
         # Send trigger words to frontend
         PromptServer.instance.send_sync("trigger_word_update", {
             "id": id,

web/comfyui/lora_stacker.js

@@ -0,0 +1,112 @@
+import { app } from "../../scripts/app.js";
+import { addLorasWidget } from "./loras_widget.js";
+
+// Extract pattern into a constant for consistent use
+const LORA_PATTERN = /<lora:([^:]+):([-\d\.]+)>/g;
+
+function mergeLoras(lorasText, lorasArr) {
+    const result = [];
+    let match;
+
+    // Parse text input and create initial entries
+    while ((match = LORA_PATTERN.exec(lorasText)) !== null) {
+        const name = match[1];
+        const inputStrength = Number(match[2]);
+        
+        // Find if this lora exists in the array data
+        const existingLora = lorasArr.find(l => l.name === name);
+        
+        result.push({
+            name: name,
+            // Use existing strength if available, otherwise use input strength
+            strength: existingLora ? existingLora.strength : inputStrength,
+            active: existingLora ? existingLora.active : true
+        });
+    }
+
+    return result;
+}
+
+app.registerExtension({
+    name: "LoraManager.LoraStacker",
+    
+    async nodeCreated(node) {
+        if (node.comfyClass === "Lora Stacker (LoraManager)") {
+            // Enable widget serialization
+            node.serialize_widgets = true;
+
+            // Wait for node to be properly initialized
+            requestAnimationFrame(() => {               
+                // Restore saved value if exists
+                let existingLoras = [];
+                if (node.widgets_values && node.widgets_values.length > 0) {
+                    const savedValue = node.widgets_values[1];
+                    // TODO: clean up this code
+                    try {
+                        // Check if the value is already an array/object
+                        if (typeof savedValue === 'object' && savedValue !== null) {
+                            existingLoras = savedValue;
+                        } else if (typeof savedValue === 'string') {
+                            existingLoras = JSON.parse(savedValue);
+                        }
+                    } catch (e) {
+                        console.warn("Failed to parse loras data:", e);
+                        existingLoras = [];
+                    }
+                }
+                // Merge the loras data
+                const mergedLoras = mergeLoras(node.widgets[0].value, existingLoras);
+                
+                // Add flag to prevent callback loops
+                let isUpdating = false;
+                 
+                // Get the widget object directly from the returned object
+                const result = addLorasWidget(node, "loras", {
+                    defaultVal: mergedLoras  // Pass object directly
+                }, (value) => {
+                    // Prevent recursive calls
+                    if (isUpdating) return;
+                    isUpdating = true;
+                    
+                    try {
+                        // Remove loras that are not in the value array
+                        const inputWidget = node.widgets[0];
+                        const currentLoras = value.map(l => l.name);
+                        
+                        // Use the constant pattern here as well
+                        let newText = inputWidget.value.replace(LORA_PATTERN, (match, name, strength) => {
+                            return currentLoras.includes(name) ? match : '';
+                        });
+                        
+                        // Clean up multiple spaces and trim
+                        newText = newText.replace(/\s+/g, ' ').trim();
+                        
+                        inputWidget.value = newText;
+                    } finally {
+                        isUpdating = false;
+                    }
+                });
+                
+                node.lorasWidget = result.widget;
+
+                // Update input widget callback
+                const inputWidget = node.widgets[0];
+                inputWidget.callback = (value) => {
+                    if (isUpdating) return;
+                    isUpdating = true;
+                    
+                    try {
+                        const currentLoras = node.lorasWidget.value || [];
+                        const mergedLoras = mergeLoras(value, currentLoras);
+                        
+                        node.lorasWidget.value = mergedLoras;
+                    } finally {
+                        isUpdating = false;
+                    }
+                };
+            });
+
+            console.log("Lora Stacker node created:", node);
+        }
+    },
+});

web/comfyui/loras_widget.js

@@ -750,6 +750,7 @@ export function addLorasWidget(node, name, opts, callback) {
   widget.callback = callback;
 
   widget.serializeValue = () => {
+    console.log("Serializing loras data: ", widgetValue);
     // Add dummy items to avoid the 2-element serialization issue, a bug in comfyui
     return [...widgetValue, 
         { name: "__dummy_item1__", strength: 0, active: false, _isDummy: true },

web/comfyui/trigger_word_toggle.js

@@ -22,7 +22,12 @@ app.registerExtension({
             node.serialize_widgets = true;
 
             // Wait for node to be properly initialized
-            requestAnimationFrame(() => {                 
+            requestAnimationFrame(() => {        
+                node.addInput("trigger_words", 'string', {
+                    "default": "",
+                    "defaultInput": false, // Changed to make it optional
+                    "optional": true // Marking the input as optional
+                });
                 // Get the widget object directly from the returned object
                 const result = addTagsWidget(node, "toggle_trigger_words", {
                     defaultVal: []
@@ -39,11 +44,11 @@ app.registerExtension({
                 // Restore saved value if exists
                 if (node.widgets_values && node.widgets_values.length > 0) {
                     // 0 is group mode, 1 is input, 2 is tag widget, 3 is original message
-                    const savedValue = node.widgets_values[2];
+                    const savedValue = node.widgets_values[1];
                     if (savedValue) {
                         result.widget.value = savedValue;
                     }
-                    const originalMessage = node.widgets_values[3];
+                    const originalMessage = node.widgets_values[2];
                     if (originalMessage) {
                         hiddenWidget.value = originalMessage;
                     }
@@ -51,10 +56,12 @@ app.registerExtension({
 
                 const groupModeWidget = node.widgets[0];
                 groupModeWidget.callback = (value) => {
-                    if (node.widgets[3].value) {
-                        this.updateTagsBasedOnMode(node, node.widgets[3].value, value);
+                    if (node.widgets[2].value) {
+                        this.updateTagsBasedOnMode(node, node.widgets[2].value, value);
                     }
                 }
+
+                console.log("node ", node);
             });
         }
     },
@@ -68,7 +75,7 @@ app.registerExtension({
         }
         
         // Store the original message for mode switching
-        node.widgets[3].value = message;
+        node.widgets[2].value = message;
 
         if (node.tagWidget) {
             // Parse tags based on current group mode