Files
ComfyUI-Lora-Manager/py/nodes/lora_stacker.py

93 lines
3.9 KiB
Python

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),
}
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, **kwargs):
"""Stacks multiple LoRAs based on the kwargs input without loading them."""
stack = []
all_trigger_words = []
# Process existing lora_stack if available
lora_stack = kwargs.get('lora_stack', None)
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
# replace '/' with os.sep to avoid different OS path format
stack.append((lora_path.replace('/', os.sep), 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)