Files
if-ai-ComfyUI-IF_LLM/IFLLMNode.py
T
2025-03-07 22:31:57 +00:00

1484 lines
66 KiB
Python

# IFLLMNode.py
import os
import sys
import json
import torch
import asyncio
import requests
from PIL import Image
from io import BytesIO
from typing import List, Dict, Any, Optional, Union, Tuple
from pathlib import Path
from .send_request import send_request
from .utils import (
get_api_key,
get_models,
process_images_for_comfy,
clean_text,
load_placeholder_image,
validate_models,
save_combo_settings,
load_combo_settings,
create_settings_from_ui,
prepare_batch_images,
process_auto_mode_images
)
import base64
import numpy as np
import codecs
import random
import math
# Add ComfyUI directory to path
comfy_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..'))
if comfy_path not in sys.path:
sys.path.insert(0, comfy_path)
try:
import folder_paths
except ImportError:
print("Error: Could not import folder_paths. Make sure ComfyUI core is in your Python path.")
folder_paths = None
# Set up logging
import logging
logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger(__name__)
try:
from server import PromptServer
from aiohttp import web
@PromptServer.instance.routes.post("/IF_LLM/get_llm_models")
async def get_llm_models_endpoint(request):
try:
data = await request.json()
llm_provider = data.get("llm_provider")
engine = llm_provider
base_ip = data.get("base_ip")
port = data.get("port")
external_api_key = data.get("external_api_key")
if external_api_key:
api_key = external_api_key
else:
api_key_name = f"{llm_provider.upper()}_API_KEY"
try:
api_key = get_api_key(api_key_name, engine)
except ValueError:
api_key = None
node = IFLLM()
models = node.get_models(engine, base_ip, port, api_key)
return web.json_response(models)
except Exception as e:
print(f"Error in get_llm_models_endpoint: {str(e)}")
return web.json_response([], status=500)
@PromptServer.instance.routes.post("/IF_LLM/add_routes")
async def add_routes_endpoint(request):
return web.json_response({"status": "success"})
@PromptServer.instance.routes.post("/IF_LLM/save_combo_settings")
async def save_combo_settings_endpoint(request):
try:
data = await request.json()
# Convert UI settings to proper format
settings = create_settings_from_ui(data)
# Get node instance
node = IFLLM()
# Save settings
saved_settings = save_combo_settings(settings, node.combo_presets_dir)
return web.json_response({
"status": "success",
"message": "Combo settings saved successfully",
"settings": saved_settings
})
except Exception as e:
logger.error(f"Error saving combo settings: {str(e)}")
return web.json_response({
"status": "error",
"message": str(e)
}, status=500)
except AttributeError:
print("PromptServer.instance not available. Skipping route decoration for IF_LLM.")
class IFLLM:
def __init__(self):
self.strategies = "normal"
# Initialize paths and load presets
# Get the directory where the current script is located
current_dir = os.path.dirname(os.path.abspath(__file__))
# Build paths relative to the script location
self.presets_dir = os.path.join(current_dir, "IF_AI", "presets")
self.combo_presets_dir = os.path.join(self.presets_dir, "AutoCombo")
# Load preset configurations
self.profiles = self.load_presets(os.path.join(self.presets_dir, "profiles.json"))
self.neg_prompts = self.load_presets(os.path.join(self.presets_dir, "neg_prompts.json"))
self.embellish_prompts = self.load_presets(os.path.join(self.presets_dir, "embellishments.json"))
self.style_prompts = self.load_presets(os.path.join(self.presets_dir, "style_prompts.json"))
self.stop_strings = self.load_presets(os.path.join(self.presets_dir, "stop_strings.json"))
# Initialize placeholder image path
self.placeholder_image_path = os.path.join(self.presets_dir, "placeholder.png")
# Default values
self.base_ip = "localhost"
self.port = "11434"
self.engine = "transformers"
self.selected_model = "Qwen2.5-VL-3B-Instruct-AWQ"
self.profile = "IF_PromptMKR_IMG"
self.messages = []
self.keep_alive = False
self.seed = 94687328150
self.history_steps = 10
self.external_api_key = ""
self.preset = "Default"
self.precision = "fp16"
self.attention = "sdpa"
self.Omni = None
self.mask = None
self.aspect_ratio = "1:1"
self.keep_alive = False
self.clear_history = False
self.random = False
self.max_tokens = 2048
self.temperature = 0.8
self.top_k = 40
self.top_p = 0.9
self.repeat_penalty = 1.1
self.batch_count = 4
@classmethod
def INPUT_TYPES(cls):
node = cls()
return {
"required": {
"llm_provider": (["transformers","llamacpp", "ollama", "kobold", "lmstudio", "textgen", "groq", "gemini", "openai", "anthropic", "mistral","deepseek","xai"], {"default": "transformers"}),
"llm_model": ((), {}),
"base_ip": ("STRING", {"default": "localhost"}),
"port": ("STRING", {"default": "11434"}),
"user_prompt": ("STRING", {"multiline": True}),
},
"optional": {
"images": ("IMAGE", {"list": True}),
"strategy": (["normal", "omost", "create", "edit", "variations"], {"default": "normal"}),
"mask": ("MASK", {}),
"prime_directives": ("STRING", {"forceInput": True, "tooltip": "The system prompt for the LLM."}),
"profiles": (["None"] + list(cls().profiles.keys()), {"default": "None", "tooltip": "The pre-defined system_prompt from the json profile file on the presets folder you can edit or make your own will be listed here."}),
"embellish_prompt": (list(cls().embellish_prompts.keys()), {"tooltip": "The pre-defined embellishment from the json embellishments file on the presets folder you can edit or make your own will be listed here."}),
"style_prompt": (list(cls().style_prompts.keys()), {"tooltip": "The pre-defined style from the json style_prompts file on the presets folder you can edit or make your own will be listed here."}),
"neg_prompt": (list(cls().neg_prompts.keys()), {"tooltip": "The pre-defined negative prompt from the json neg_prompts file on the presets folder you can edit or make your own will be listed here."}),
"stop_string": (list(cls().stop_strings.keys()), {"tooltip": "Specifies a string at which text generation should stop."}),
"max_tokens": ("INT", {"default": 2048, "min": 1, "max": 8192, "tooltip": "Maximum number of tokens to generate in the response."}),
"random": ("BOOLEAN", {"default": False, "label_on": "Seed", "label_off": "Temperature", "tooltip": "Toggles between using a fixed seed or temperature-based randomness."}),
"seed": ("INT", {"default": 0, "tooltip": "Random seed for reproducible outputs."}),
"keep_alive": ("BOOLEAN", {"default": True, "label_on": "Keeps Model on Memory", "label_off": "Unloads Model from Memory", "tooltip": "Determines whether to keep the model loaded in memory between calls."}),
"clear_history": ("BOOLEAN", {"default": True, "label_on": "Clear History", "label_off": "Keep History", "tooltip": "Determines whether to clear the history between calls."}),
"history_steps": ("INT", {"default": 10, "tooltip": "Number of steps to keep in history."}),
"aspect_ratio": (["1:1", "16:9", "4:5", "3:4", "5:4", "9:16"], {"default": "1:1", "tooltip": "Aspect ratio for the generated images."}),
"auto": ("BOOLEAN", {"default": False, "label_on": "Auto Is Enabled", "label_off": "Auto is Disabled", "tooltip": "If true, it generates auto promts based on the listed images click the save Auto settings to set the auto prompt generation file"}),
"batch_count": ("INT", {"default": 1, "tooltip": "Number of images to generate. only for create, edit and variations strategies."}),
"external_api_key": ("STRING", {"default": "", "tooltip": "If this is not empty, it will be used instead of the API key from the .env file. Make sure it is empty to use the .env file."}),
"Omni": ("OMNI", {"default": None, "tooltip": "Additional input for the selected tool."}),
"attention": (["sdpa", "flash_attention_2", "xformers"], {"default": "sdpa", "tooltip": "Select attention mechanism on Transformer models."}),
},
"hidden": {
"temperature": ("FLOAT", {"default": 0.8, "min": 0.0, "max": 1.0, "tooltip": "Controls randomness in output generation. Higher values increase creativity but may reduce coherence."}),
"top_k": ("INT", {"default": 40, "tooltip": "Limits the next token selection to the K most likely tokens."}),
"top_p": ("FLOAT", {"default": 0.9, "tooltip": "Cumulative probability cutoff for token selection."}),
"repeat_penalty": ("FLOAT", {"default": 1.1, "tooltip": "Penalizes repetition in generated text."}),
"precision": (["fp16", "fp32", "bf16"], {"tooltip": "Select preccision on Transformer models."}),
},
}
RETURN_TYPES = ("STRING", "STRING", "STRING", "OMNI", "IMAGE", "MASK")
RETURN_NAMES = ("question", "response", "negative", "omni", "generated_images", "mask")
FUNCTION = "process_image_wrapper"
OUTPUT_NODE = True
CATEGORY = "ImpactFrames💥🎞️/IF_LLM"
@classmethod
def IS_CHANGED(cls, llm_provider, llm_model, **kwargs):
# Only report a change when the model or provider has actually changed
# This prevents ComfyUI from resetting the model selection
# Using a unique identifier instead of random to maintain consistency
import hashlib
# Create a unique hash based on the provider and model
unique_id = f"{llm_provider}:{llm_model}"
hash_obj = hashlib.md5(unique_id.encode())
# Return a deterministic value based on the hash
# This ensures the same provider/model combo always returns the same value
# but different combos return different values
return int(hash_obj.hexdigest(), 16) / (2**128)
async def process_image(
self,
llm_provider: str,
llm_model: str,
base_ip: str,
port: str,
user_prompt: str,
strategy: str = "normal",
images=None,
messages=None,
prime_directives: Optional[str] = None,
profiles: Optional[str] = None,
embellish_prompt: Optional[str] = None,
style_prompt: Optional[str] = None,
neg_prompt: Optional[str] = None,
stop_string: Optional[str] = None,
max_tokens: int = 2048,
seed: int = 0,
random: bool = False,
temperature: float = 0.8,
top_k: int = 40,
top_p: float = 0.9,
repeat_penalty: float = 1.1,
keep_alive: bool = False,
clear_history: bool = False,
history_steps: int = 10,
external_api_key: str = "",
precision: str = "fp16",
attention: str = "sdpa",
Omni: Optional[str] = None,
aspect_ratio: str = "1:1",
mask: Optional[torch.Tensor] = None,
batch_count: int = 4,
auto: bool = False,
auto_mode: bool = False,
**kwargs
) -> Union[str, Dict[str, Any]]:
try:
# Initialize variables at the start
formatted_response = None
generated_images = None
generated_masks = None
tool_output = None
current_images = None
current_mask = None
if external_api_key != "":
llm_api_key = external_api_key
else:
llm_api_key = get_api_key(f"{llm_provider.upper()}_API_KEY", llm_provider)
print(f"LLM API key: {llm_api_key[:5]}...")
# Validate LLM model
validate_models(llm_model, llm_provider, "LLM", base_ip, port, llm_api_key)
# Handle history
messages = messages or []
if clear_history:
messages = []
elif history_steps > 0:
messages = messages[-history_steps:]
# Handle stop
if stop_string is None or stop_string == "None":
stop_content = None
else:
stop_content = self.stop_strings.get(stop_string, None)
stop = stop_content
if llm_provider not in ["ollama", "llamacpp", "vllm", "lmstudio", "gemeni"]:
if llm_provider == "kobold":
stop = stop_content + \
["\n\n\n\n\n"] if stop_content else ["\n\n\n\n\n"]
elif llm_provider == "mistral":
stop = stop_content + \
["\n\n"] if stop_content else ["\n\n"]
else:
stop = stop_content if stop_content else None
# Prepare embellishments and styles
embellish_content = self.embellish_prompts.get(embellish_prompt, "").strip() if embellish_prompt else ""
style_content = self.style_prompts.get(style_prompt, "").strip() if style_prompt else ""
neg_content = self.neg_prompts.get(neg_prompt, "").strip() if neg_prompt else ""
profile_content = self.profiles.get(profiles, "")
# Prepare system prompt
if prime_directives is not None:
system_message = prime_directives
else:
system_message= json.dumps(profile_content)
tool_type = Omni
strategy_name = strategy
kwargs = {
'batch_count': batch_count,
'llm_provider': llm_provider,
'base_ip': base_ip,
'port': port,
'llm_model': llm_model,
'system_message': system_message,
'seed': seed,
'temperature': temperature,
'max_tokens': max_tokens,
'random': random,
'top_k': top_k,
'top_p': top_p,
'repeat_penalty': repeat_penalty,
'stop': stop,
'keep_alive': keep_alive,
'llm_api_key': llm_api_key,
'precision': precision,
'attention': attention,
'aspect_ratio': aspect_ratio,
'neg_prompt': neg_prompt,
'neg_content': neg_content,
'formatted_response': formatted_response,
'generated_images': generated_images,
'generated_masks': generated_masks,
'tool_output': tool_output,
'omni': tool_type,
}
# If images is None or empty, skip "image-based" logic but still allow LLM tasks to proceed
if images is not None and len(images) > 0:
current_images = images
else:
print("No images connected; continuing with text-based tasks only.")
# If no mask is connected, load a placeholder or just skip
if mask is not None:
current_mask = mask
else:
current_mask = load_placeholder_image(self.placeholder_image_path)[1]
if auto:
try:
# Use the main auto mode processing function
result = await self.process_auto_mode(
images=current_images,
mask=current_mask,
messages=messages,
strategy=strategy,
auto_mode=auto_mode,
**kwargs
)
if result:
return result
else:
#self, images, masks, error_message, prompt=""
return self.create_error_response(
current_images,
current_mask,
"No results generated from auto mode processing.",
user_prompt
)
except Exception as e:
logger.error(f"Error in auto mode processing: {str(e)}")
return self.create_error_response(
current_images,
current_mask,
"No results generated from auto mode processing.",
user_prompt
)
else:
# Execute strategy-specific logic
if strategy_name == "normal":
return await self.execute_normal_strategy(
user_prompt, current_images, current_mask, messages, embellish_content, style_content, **kwargs)
elif strategy_name == "create":
return await self.execute_create_strategy(
user_prompt, current_mask, **kwargs)
elif strategy_name == "omost":
return await self.execute_omost_strategy(
user_prompt, current_images, current_mask, embellish_content, style_content, **kwargs)
elif strategy_name == "variations":
return await self.execute_variations_strategy(
user_prompt, current_images, **kwargs)
elif strategy_name == "edit":
return await self.execute_edit_strategy(
user_prompt, current_images, current_mask, **kwargs)
else:
raise ValueError(f"Unsupported strategy: {strategy_name}")
except Exception as e:
logger.error(f"Error in process_image: {str(e)}")
return self.create_error_response(
current_images,
current_mask,
"No results generated from auto mode processing.",
user_prompt
)
async def process_auto_mode(self, images, mask, messages, strategy, auto_mode=True, embellish_content="", style_content="", **kwargs):
"""
Main auto mode processing function that preserves batch handling.
"""
try:
# Determine batch size based on mode
batch_size = 4 if auto_mode else 1
# Process images into appropriate batches
image_batches, mask_batches = process_auto_mode_images(
images=images,
mask=mask,
batch_size=batch_size
)
all_results = []
user_prompt = kwargs.get('user_prompt', '')
batch_count = kwargs.get('batch_count', 1)
# Process each image/mask batch
for img_batch, mask_batch in zip(image_batches, mask_batches):
for i in range(img_batch.size(0)):
single_img = img_batch[i:i+1]
single_mask = mask_batch[i:i+1]
# Generate combo prompt once for this image
combo_prompt = await self.generate_combo_prompts(
images=single_img,
settings_dict=None
)
# Process batch_count iterations for this image
for iteration in range(batch_count):
batch_results = await self.process_auto_batch(
batch_images=single_img,
batch_mask=single_mask,
strategy=strategy,
prompt=combo_prompt,
messages=messages,
embellish_content=embellish_content,
style_content=style_content,
**{**kwargs,
'batch_count': 1, # Process single iteration here
'seed': kwargs.get('seed', 0) + iteration if kwargs.get('seed') is not None else None
}
)
if batch_results:
if isinstance(batch_results, list):
all_results.extend(batch_results)
else:
all_results.append(batch_results)
if not all_results:
return [{
"Question": user_prompt,
"Response": "No results generated",
"Negative": "",
"Tool_Output": None,
"Retrieved_Image": images,
"Mask": mask
}]
return all_results
except Exception as e:
logger.error(f"Error in process_auto_mode: {str(e)}")
return [{
"Question": kwargs.get('user_prompt', ''),
"Response": f"Error: {str(e)}",
"Negative": "",
"Tool_Output": None,
"Retrieved_Image": images,
"Mask": mask
}]
async def process_auto_batch(self, batch_images, batch_mask, strategy, prompt, messages,
embellish_content="", style_content="", **kwargs):
"""
Process single iteration of auto mode batch.
Batch count iterations are handled by process_auto_mode.
"""
try:
# Create clean kwargs without user_prompt
batch_kwargs = {
k: v for k, v in kwargs.items()
if k not in ['user_prompt']
}
# Execute strategy (should process just one iteration)
if strategy == "normal":
results = await self.execute_normal_strategy(
user_prompt=prompt,
current_images=batch_images,
current_mask=batch_mask,
messages=messages,
embellish_content=embellish_content,
style_content=style_content,
**batch_kwargs
)
elif strategy == "omost":
results = await self.execute_omost_strategy(
user_prompt=prompt,
current_images=batch_images,
current_mask=batch_mask,
embellish_content=embellish_content,
style_content=style_content,
**batch_kwargs
)
else:
raise ValueError(f"Unsupported strategy for auto mode: {strategy}")
return results
except Exception as e:
logger.error(f"Error processing auto batch: {str(e)}")
return None
async def execute_normal_strategy(self, user_prompt, current_images, current_mask, messages, embellish_content, style_content, **kwargs):
"""
Execute normal strategy with robust error handling and response validation.
"""
try:
results = []
batch_count = kwargs.get('batch_count', 1)
# Process and validate images
images_to_send = current_images if (current_images is not None and current_images.nelement() > 0) else None
# Process batch_count times
for i in range(batch_count):
try:
# Update seed for each iteration if using random seeding
current_seed = kwargs['seed'] + i if kwargs.get('random', False) and kwargs.get('seed') is not None else kwargs.get('seed')
# Make the API request
response = await send_request(
llm_provider=kwargs.get('llm_provider'),
base_ip=kwargs.get('base_ip'),
port=kwargs.get('port'),
images=images_to_send,
llm_model=kwargs.get('llm_model'),
system_message=kwargs.get('system_message'),
user_message=user_prompt,
messages=messages or [], # Ensure messages is never None
seed=current_seed,
temperature=kwargs.get('temperature', 0.7),
max_tokens=kwargs.get('max_tokens', 2048),
random=kwargs.get('random', False),
top_k=kwargs.get('top_k', 40),
top_p=kwargs.get('top_p', 0.9),
repeat_penalty=kwargs.get('repeat_penalty', 1.1),
stop=kwargs.get('stop'),
keep_alive=kwargs.get('keep_alive', False),
llm_api_key=kwargs.get('llm_api_key'),
precision=kwargs.get('precision', 'fp16'),
attention=kwargs.get('attention', 'sdpa'),
aspect_ratio=kwargs.get('aspect_ratio', '1:1'),
strategy="normal",
mask=current_mask
)
# Validate and extract response content
response_content = ""
if response is None:
logger.error("Received a None response from the LLM API.")
continue # Skip to the next iteration
elif isinstance(response, dict):
if "choices" in response and response["choices"]:
message = response["choices"][0].get("message", {})
response_content = message.get("content", "")
# Additional validation for empty content
if not response_content:
logger.warning("Empty response content in choices")
continue
elif "response" in response:
response_content = response["response"]
else:
logger.warning(f"Unexpected response format: {response}")
continue
elif isinstance(response, str):
response_content = response
if not response_content:
logger.warning("Empty response content received")
continue
# Proceed with cleaning and formatting the response
cleaned_response = clean_text(response_content)
final_prompt = "\n".join(filter(None, [
embellish_content.strip() if embellish_content else "",
cleaned_response.strip(),
style_content.strip() if style_content else ""
]))
# Generate negative prompt if needed
if kwargs.get('neg_prompt') == "AI_Fill":
neg_prompt = await self.generate_negative_prompt(
cleaned_response,
images=current_images,
**kwargs
)
else:
neg_prompt = kwargs.get('neg_content', '')
# Add result to results list
results.append({
"Question": user_prompt,
"Response": final_prompt,
"Negative": neg_prompt,
"Tool_Output": None,
"Retrieved_Image": current_images,
"Mask": current_mask
})
except Exception as batch_error:
logger.error(f"Error in batch {i}: {str(batch_error)}")
continue
# Keep message history if enabled
if kwargs.get('keep_alive') and results:
messages.extend([
{"role": "user", "content": user_prompt},
{"role": "assistant", "content": results[-1]["Response"]}
])
# Return results or error response
if not results:
return [self.create_error_response(
current_images,
current_mask,
"No valid results generated from normal strategy.",
user_prompt
)]
return results
except Exception as e:
logger.error(f"Error in normal strategy: {str(e)}")
return [self.create_error_response(
current_images,
current_mask,
f"Error in normal strategy: {str(e)}",
user_prompt
)]
async def execute_omost_strategy(
self, user_prompt, current_images, current_mask,
embellish_content="", style_content="", **kwargs
):
"""Execute OMOST strategy with batch processing and proper negative prompt generation"""
omni = kwargs.get("omni", None)
# Make sure user_prompt is a string, in case it's a list
if isinstance(user_prompt, list):
user_prompt = " ".join(user_prompt)
try:
batch_count = kwargs.get('batch_count', 1)
messages = []
system_prompt = self.profiles.get("IF_Omost")
results = []
logger.debug(f"Processing {batch_count} batches in OMOST strategy")
# Process batch_count times
for batch_idx in range(batch_count):
try:
# Get LLM response (dict or str).
llm_response = await send_request(
llm_provider=kwargs.get('llm_provider'),
base_ip=kwargs.get('base_ip'),
port=kwargs.get('port'),
images=current_images,
llm_model=kwargs.get('llm_model'),
system_message=system_prompt,
user_message=user_prompt,
messages=messages,
seed=kwargs.get('seed', 0) + batch_idx if kwargs.get('seed', 0) != 0 else kwargs.get('seed', 0),
temperature=kwargs.get('temperature', 0.7),
max_tokens=kwargs.get('max_tokens', 2048),
random=kwargs.get('random', False),
top_k=kwargs.get('top_k', 40),
top_p=kwargs.get('top_p', 0.9),
repeat_penalty=kwargs.get('repeat_penalty', 1.1),
stop=kwargs.get('stop', None),
keep_alive=kwargs.get('keep_alive', False),
llm_api_key=kwargs.get('llm_api_key'),
precision=kwargs.get('precision', 'fp16'),
attention=kwargs.get('attention', 'sdpa'),
aspect_ratio=kwargs.get('aspect_ratio', '1:1'),
strategy="omost",
mask=current_mask
)
if not llm_response:
logger.warning(f"No response from LLM in batch {batch_idx}")
continue
# If llm_response is dict, extract text from "choices"
# or fallback to stringifying.
if isinstance(llm_response, dict):
if "choices" in llm_response and llm_response["choices"]:
choice = llm_response["choices"][0]
if "message" in choice and "content" in choice["message"]:
llm_response = choice["message"]["content"]
else:
llm_response = json.dumps(llm_response)
elif "response" in llm_response:
llm_response = llm_response["response"]
else:
llm_response = json.dumps(llm_response)
elif not isinstance(llm_response, str):
llm_response = str(llm_response)
# IMPORTANT: Avoid calling clean_text() so Canvas code remains intact.
final_prompt = "\n".join(
filter(None,
[
embellish_content.strip(),
llm_response.strip(),
style_content.strip()
]
)
)
# Lazy load omost_function
omost_function = get_omost_function()
tool_result = await omost_function({
"name": "omost_tool",
"description": "Analyzes images composition and generates a Canvas representation.",
"system_prompt": system_prompt,
"input": user_prompt,
"llm_response": llm_response,
"function_call": None,
"omni_input": omni
})
# Handle negative prompt if requested
if kwargs.get('neg_prompt') == "AI_Fill":
neg_prompt = await self.generate_negative_prompt(
llm_response, # pass raw text if you want the LLM to see code
images=current_images,
**kwargs
)
else:
neg_prompt = kwargs.get('neg_content', '')
if isinstance(tool_result, dict):
if "error" in tool_result:
logger.warning(
f"OMOST tool warning in batch {batch_idx}: {tool_result['error']}"
)
continue
canvas_cond = tool_result.get("canvas_conditioning")
if canvas_cond is not None:
# Ensure canvas_conditioning is a flat list of dicts
if (
isinstance(canvas_cond, list)
and len(canvas_cond) == 1
and isinstance(canvas_cond[0], list)
):
# Flatten once
canvas_cond = canvas_cond[0]
tool_result["canvas_conditioning"] = canvas_cond
results.append({
"Question": user_prompt,
"Response": final_prompt,
"Negative": neg_prompt,
"Tool_Output": canvas_cond,
"Retrieved_Image": current_images,
"Mask": current_mask
})
except Exception as batch_error:
logger.error(f"Error in OMOST batch {batch_idx}: {str(batch_error)}")
continue
# Keep message history if enabled
if kwargs.get('keep_alive') and results:
messages.append({"role": "user", "content": user_prompt})
messages.append({"role": "assistant", "content": results[-1]["Response"]})
logger.debug(f"Generated {len(results)} results in OMOST strategy")
if not results:
return [self.create_error_response(
current_images,
current_mask,
"No valid results generated",
user_prompt
)]
return results
except Exception as e:
logger.error(f"Error in OMOST strategy: {str(e)}")
return [self.create_error_response(
current_images,
current_mask,
"No valid results generated",
user_prompt
)]
async def execute_create_strategy(self, user_prompt, current_mask, **kwargs):
try:
# Create strategy - no input images needed
messages = []
api_response = await send_request(
llm_provider=kwargs.get('llm_provider'),
base_ip=kwargs.get('base_ip'),
port=kwargs.get('port'),
images=None, # No input images needed for create
llm_model=kwargs.get('llm_model'),
system_message=kwargs.get('system_message'),
user_message=user_prompt,
messages=messages,
seed=kwargs.get('seed', 0),
temperature=kwargs.get('temperature'),
max_tokens=kwargs.get('max_tokens'),
random=kwargs.get('random'),
top_k=kwargs.get('top_k'),
top_p=kwargs.get('top_p'),
repeat_penalty=kwargs.get('repeat_penalty'),
stop=kwargs.get('stop'),
keep_alive=kwargs.get('keep_alive'),
llm_api_key=kwargs.get('llm_api_key'),
precision=kwargs.get('precision'),
attention=kwargs.get('attention'),
aspect_ratio=kwargs.get('aspect_ratio'),
strategy="create",
batch_count= 1,
mask=current_mask
)
# Extract base64 images from response
all_base64_images = []
if isinstance(api_response, dict) and "images" in api_response:
base64_images = api_response.get("images", [])
all_base64_images.extend(base64_images if isinstance(base64_images, list) else [base64_images])
# Process the images if we have any
if all_base64_images:
# Prepare data for processing
image_data = {
"data": [{"b64_json": img} for img in all_base64_images]
}
# Process images
images_tensor, mask_tensor = process_images_for_comfy(
image_data,
placeholder_image_path=self.placeholder_image_path,
response_key="data",
field_name="b64_json"
)
logger.debug(f"Retrieved_Image tensor shape: {images_tensor.shape}")
return {
"Question": user_prompt,
"Response": f"Create image{'s' if len(all_base64_images) > 1 else ''} successfully generated.",
"Negative": kwargs.get('neg_content', ''),
"Tool_Output": all_base64_images,
"Retrieved_Image": images_tensor,
"Mask": mask_tensor
}
else:
# No images were generated
image_tensor, mask_tensor = load_placeholder_image(self.placeholder_image_path)
return self.create_error_response(
image_tensor,
mask_tensor,
"No images were generated in create strategy",
user_prompt
)
except Exception as e:
logger.error(f"Error in create strategy: {str(e)}")
image_tensor, mask_tensor = load_placeholder_image(self.placeholder_image_path)
return self.create_error_response(
image_tensor,
mask_tensor,
f"Error in create strategy: {str(e)}",
user_prompt
)
async def execute_variations_strategy(self, user_prompt, images, **kwargs):
"""Core implementation of variations strategy"""
try:
batch_count = kwargs.get('batch_count', 1)
messages = []
api_responses = []
# Prepare input images
input_images = prepare_batch_images(images)
# Process each input image
for img in input_images:
try:
# Send request for variations
api_response = await send_request(
images=img,
user_message=user_prompt,
messages=messages,
strategy="variations",
batch_count=batch_count,
mask=None, # Variations don't use masks
**kwargs
)
if api_response:
api_responses.append(api_response)
except Exception as e:
logger.error(f"Error processing image variation: {str(e)}")
continue
# Extract and process base64 images from responses
all_base64_images = []
for response in api_responses:
if isinstance(response, dict) and "images" in response:
base64_images = response.get("images", [])
if isinstance(base64_images, list):
all_base64_images.extend(base64_images)
else:
all_base64_images.append(base64_images)
# Process the generated images
if all_base64_images:
# Prepare data for processing
image_data = {
"data": [{"b64_json": img} for img in all_base64_images]
}
# Convert to tensors
images_tensor, mask_tensor = process_images_for_comfy(
image_data,
placeholder_image_path=self.placeholder_image_path,
response_key="data",
field_name="b64_json"
)
logger.debug(f"Variations image tensor shape: {images_tensor.shape}")
return {
"Question": user_prompt,
"Response": f"Generated {len(all_base64_images)} variations successfully.",
"Negative": kwargs.get('neg_content', ''),
"Tool_Output": all_base64_images,
"Retrieved_Image": images_tensor,
"Mask": mask_tensor
}
else:
# No variations were generated
image_tensor, mask_tensor = load_placeholder_image(self.placeholder_image_path)
return self.create_error_response(
image_tensor,
mask_tensor,
"No variations were generated",
user_prompt
)
except Exception as e:
logger.error(f"Error in variations strategy: {str(e)}")
image_tensor, mask_tensor = load_placeholder_image(self.placeholder_image_path)
return self.create_error_response(
image_tensor,
mask_tensor,
f"Error in variations strategy: {str(e)}",
user_prompt
)
async def execute_edit_strategy(self, user_prompt, images, mask, **kwargs):
"""Core implementation of edit strategy"""
try:
batch_count = kwargs.get('batch_count', 1)
messages = []
api_responses = []
# Prepare input images and masks
input_images = prepare_batch_images(images)
input_masks = prepare_batch_images(mask) if mask is not None else [None] * len(input_images)
# Process each image-mask pair
for img, msk in zip(input_images, input_masks):
try:
# Send request for edit
api_response = await send_request(
images=img,
user_message=user_prompt,
messages=messages,
strategy="edit",
batch_count=batch_count,
mask=msk,
**kwargs
)
if api_response:
api_responses.append(api_response)
except Exception as e:
logger.error(f"Error processing image-mask pair: {str(e)}")
continue
# Extract and process base64 images from responses
all_base64_images = []
for response in api_responses:
if isinstance(response, dict) and "images" in response:
base64_images = response.get("images", [])
if isinstance(base64_images, list):
all_base64_images.extend(base64_images)
else:
all_base64_images.append(base64_images)
# Process the edited images
if all_base64_images:
# Prepare data for processing
image_data = {
"data": [{"b64_json": img} for img in all_base64_images]
}
# Convert to tensors
images_tensor, mask_tensor = process_images_for_comfy(
image_data,
placeholder_image_path=self.placeholder_image_path,
response_key="data",
field_name="b64_json"
)
logger.debug(f"Edited image tensor shape: {images_tensor.shape}")
return {
"Question": user_prompt,
"Response": f"Generated {len(all_base64_images)} variations successfully.",
"Negative": kwargs.get('neg_content', ''),
"Tool_Output": all_base64_images,
"Retrieved_Image": images_tensor,
"Mask": mask_tensor
}
else:
# No edits were generated
image_tensor, mask_tensor = load_placeholder_image(self.placeholder_image_path)
return self.create_error_response(
image_tensor,
mask_tensor,
"No edited images were generated",
user_prompt
)
except Exception as e:
logger.error(f"Error in edit strategy: {str(e)}")
image_tensor, mask_tensor = load_placeholder_image(self.placeholder_image_path)
return self.create_error_response(
image_tensor,
mask_tensor,
f"Error in edit strategy: {str(e)}",
user_prompt
)
def get_models(self, engine, base_ip, port, api_key=None):
return get_models(engine, base_ip, port, api_key)
def load_presets(self, file_path: str) -> Dict[str, Any]:
"""
Load JSON presets with support for multiple encodings and better error handling.
Args:
file_path (str): Path to the JSON preset file
Returns:
Dict[str, Any]: Loaded JSON data or empty dict if loading fails
"""
# List of encodings to try
encodings = ['utf-8', 'utf-8-sig', 'latin1', 'cp1252', 'gbk']
for encoding in encodings:
try:
with codecs.open(file_path, 'r', encoding=encoding) as f:
content = f.read()
# Debug: Print problematic content around error location
try:
data = json.loads(content)
except json.JSONDecodeError as je:
# Get context around the error
start = max(0, je.pos - 50)
end = min(len(content), je.pos + 50)
context = content[start:end]
print(f"\nError details for {file_path}:")
print(f"Error position: Line {je.lineno}, Column {je.colno}")
print(f"Context around error:\n{context}")
print(f"Error message: {str(je)}")
continue
# Only rewrite if encoding was NOT utf-8 or utf-8-sig
if encoding.lower() not in ('utf-8', 'utf-8-sig'):
try:
with codecs.open(file_path, 'w', encoding='utf-8') as out_f:
json.dump(data, out_f, ensure_ascii=False, indent=2)
except Exception as write_err:
print(f"Warning: Could not write back UTF-8 encoded file: {write_err}")
return data
except UnicodeDecodeError:
print(f"Unicode decode error with {encoding} encoding")
continue
except Exception as e:
print(f"Error loading presets from {file_path} with {encoding} encoding: {e}")
continue
# If all attempts fail, try to load a backup or create empty dict
try:
backup_path = file_path + '.backup'
if os.path.exists(backup_path):
print(f"Attempting to load backup file: {backup_path}")
with codecs.open(backup_path, 'r', encoding='utf-8') as f:
return json.load(f)
except Exception as e:
print(f"Error loading backup file: {e}")
print(f"Error: Failed to load {file_path} with any supported encoding")
return {}
def validate_outputs(self, outputs):
"""Helper to validate output types match expectations"""
if len(outputs) != len(self.RETURN_TYPES):
raise ValueError(
f"Expected {len(self.RETURN_TYPES)} outputs, got {len(outputs)}"
)
for i, (output, expected_type) in enumerate(zip(outputs, self.RETURN_TYPES)):
if output is None and expected_type in ["IMAGE", "MASK"]:
raise ValueError(
f"Output {i} ({self.RETURN_NAMES[i]}) cannot be None for type {expected_type}"
)
async def generate_combo_prompts(self, images, settings_dict=None, **kwargs):
try:
if settings_dict is None:
settings_dict = load_combo_settings(self.combo_presets_dir)
if not settings_dict:
raise ValueError("No combo settings available")
# Get the profile content
profile_name = settings_dict.get('profile', 'IF_PromptMKR')
profile_content = self.profiles.get(profile_name, {}).get('instruction', '')
if not settings_dict.get('prime_directives'):
settings_dict['prime_directives'] = profile_content
# Extract API key
llm_provider = settings_dict.get('llm_provider', '')
if settings_dict.get('external_api_key'):
llm_api_key = settings_dict['external_api_key']
else:
llm_api_key = get_api_key(f"{llm_provider.upper()}_API_KEY", llm_provider)
# Create request parameters with correct mappings
request_params = {
'llm_provider': settings_dict.get('llm_provider', ''),
'base_ip': settings_dict.get('base_ip', 'localhost'),
'port': settings_dict.get('port', '11434'),
'images': images,
'llm_model': settings_dict.get('llm_model', ''),
'system_message': settings_dict.get('prime_directives', ''), # Map prime_directives to system_message
'user_message': settings_dict.get('user_prompt', ''), # Map user_prompt to user_message
'messages': [],
'seed': settings_dict.get('seed', None),
'temperature': settings_dict.get('temperature', 0.7),
'max_tokens': settings_dict.get('max_tokens', 2048),
'random': settings_dict.get('random', False),
'top_k': settings_dict.get('top_k', 40),
'top_p': settings_dict.get('top_p', 0.9),
'repeat_penalty': settings_dict.get('repeat_penalty', 1.1),
'stop': settings_dict.get('stop_string', None), # Map stop_string to stop
'keep_alive': settings_dict.get('keep_alive', False),
'llm_api_key': llm_api_key,
'precision': settings_dict.get('precision', 'fp16'),
'attention': settings_dict.get('attention', 'sdpa'),
'aspect_ratio': settings_dict.get('aspect_ratio', '1:1'),
'strategy': 'normal',
'mask': None,
'batch_count': settings_dict.get('batch_count', 1)
}
response = await send_request(**request_params)
if isinstance(response, dict):
return response.get('response', '')
return response
except Exception as e:
logger.error(f"Error generating combo prompts: {str(e)}")
return ""
def process_image_wrapper(self, **kwargs):
"""Wrapper to handle async execution of process_image"""
try:
# Attempt to get the current event loop
try:
loop = asyncio.get_event_loop()
except RuntimeError:
# Create a new event loop if one doesn't exist
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
# Validate required inputs
required_params = ['llm_provider', 'llm_model', 'base_ip', 'port', 'user_prompt']
missing_params = [p for p in required_params if p not in kwargs]
if missing_params:
raise ValueError(f"Missing required parameters: {', '.join(missing_params)}")
# Execute the asynchronous process_image method
result = loop.run_until_complete(self.process_image(**kwargs))
# Initialize aggregation lists
responses = []
prompts = []
negatives = []
omnis = []
retrieved_images = []
masks = []
# Aggregate results based on their type
if isinstance(result, list):
if not result:
raise ValueError("No results generated")
for result_item in result:
if isinstance(result_item, dict):
prompts.append(result_item.get("Response", ""))
responses.append(result_item.get("Question", ""))
negatives.append(result_item.get("Negative", ""))
omnis.append(result_item.get("Tool_Output"))
# Safely handle None for images/masks
img = result_item.get("Retrieved_Image")
msk = result_item.get("Mask")
if not isinstance(img, torch.Tensor):
# Replace None with a placeholder image
placeholder_img, placeholder_mask = load_placeholder_image(self.placeholder_image_path)
img = placeholder_img
# If we have a real mask, use it, else the same placeholder
if not isinstance(msk, torch.Tensor):
msk = placeholder_mask
elif not isinstance(msk, torch.Tensor):
# If the image is valid but mask isn't, load just the placeholder mask
_, msk = load_placeholder_image(self.placeholder_image_path)
# Convert 4-channel images to 3-channel if needed
if isinstance(img, torch.Tensor):
if img.dim() == 4: # Batch of images [B, C, H, W]
if img.shape[1] == 4: # Check if channels = 4
# Convert RGBA to RGB by removing alpha channel
img = img[:, :3, :, :]
logger.debug(f"Converted batch of 4-channel images to 3-channel, new shape: {img.shape}")
elif img.dim() == 3: # Single image [C, H, W]
if img.shape[0] == 4: # Check if channels = 4
# Convert RGBA to RGB by removing alpha channel
img = img[:3, :, :]
logger.debug(f"Converted single 4-channel image to 3-channel, new shape: {img.shape}")
retrieved_images.append(img)
masks.append(msk)
else:
raise ValueError(f"Unexpected result format: {type(result_item)}")
elif isinstance(result, dict):
prompts.append(result.get("Response", ""))
responses.append(result.get("Question", ""))
negatives.append(result.get("Negative", ""))
omnis.append(result.get("Tool_Output"))
# Same handling for the single dictionary return
img = result.get("Retrieved_Image")
msk = result.get("Mask")
if not isinstance(img, torch.Tensor):
placeholder_img, placeholder_mask = load_placeholder_image(self.placeholder_image_path)
img = placeholder_img
if not isinstance(msk, torch.Tensor):
msk = placeholder_mask
elif not isinstance(msk, torch.Tensor):
_, msk = load_placeholder_image(self.placeholder_image_path)
retrieved_images.append(img)
masks.append(msk)
else:
raise ValueError(f"Unexpected result type: {type(result)}")
# Concatenate image tensors
retrieved_images_tensor = torch.cat(retrieved_images, dim=0) if retrieved_images else load_placeholder_image(self.placeholder_image_path)[0]
# Concatenate mask tensors
masks_tensor = torch.cat(masks, dim=0) if masks else load_placeholder_image(self.placeholder_image_path)[1]
# Debug logging for verification
for idx in range(len(retrieved_images)):
logger.debug(f"Result {idx + 1}: Retrieved image type: {type(retrieved_images[idx])}")
if isinstance(retrieved_images[idx], torch.Tensor):
logger.debug(f"Result {idx + 1}: Retrieved image shape: {retrieved_images[idx].shape}")
logger.debug(f"Result {idx + 1}: Mask type: {type(masks[idx])}")
if isinstance(masks[idx], torch.Tensor):
logger.debug(f"Result {idx + 1}: Mask shape: {masks[idx].shape}")
# Ensure masks_tensor has the expected shape
# Expected: [batch_size, 1, H, W]
# If masks_tensor is not in the correct shape, adjust accordingly
if masks_tensor.dim() == 3:
masks_tensor = masks_tensor.unsqueeze(1) # Add channel dimension if missing
# Return the aggregated results
return (
responses, # List of STRING (questions/prompts)
prompts, # List of STRING (generated responses)
negatives, # List of STRING (negative prompts)
omnis, # List of OMNI
retrieved_images_tensor, # Concatenated IMAGE tensors [batch, 3, H, W]
masks_tensor # Concatenated MASK tensors [batch, 1, H, W]
)
except Exception as e:
logger.error(f"Error in process_image_wrapper: {str(e)}")
# Create fallback values as lists to match RETURN_TYPES
image_tensor, mask_tensor = load_placeholder_image(self.placeholder_image_path)
return (
[kwargs.get("user_prompt", "")], # List containing original prompt
[f"Error: {str(e)}"], # List containing error message as response
[""], # List containing empty negative prompt
[None], # List containing no OMNI data
image_tensor, # Single tensor
mask_tensor # Single tensor
)
def create_error_response(self, images, masks, error_message, prompt=""):
"""Create standardized error response"""
try:
if images is None:
image_tensor = load_placeholder_image(self.placeholder_image_path)[0]
else:
image_tensor = images
if masks is None:
mask_tensor = load_placeholder_image(self.placeholder_image_path)[1]
else:
mask_tensor = masks
return {
"Question": prompt,
"Response": f"Error: {error_message}",
"Negative": f"Error: {error_message}",
"Tool_Output": None,
"Retrieved_Image": image_tensor,
"Mask": mask_tensor
}
except Exception as e:
logger.error(f"Error creating error response: {str(e)}")
# Fallback error response without images
return {
"Question": prompt,
"Response": f"Critical Error: {error_message}",
"Negative": f"Error: {error_message}",
"Tool_Output": None,
"Retrieved_Image": None,
"Mask": None
}
async def generate_negative_prompt(
self,
prompt: str,
images: List[Image.Image],
**kwargs
) -> List[str]:
"""
Generate negative prompts for the given input prompt.
Args:
prompt: Input prompt text
**kwargs: Generation parameters like seed, temperature etc
Returns:
List of generated negative prompts
"""
try:
if not prompt:
return []
# Get system message for negative prompts and ensure it's a string
neg_system_message = self.profiles.get("IF_NegativePromptEngineer_V2", "")
if isinstance(neg_system_message, dict):
neg_system_message = json.dumps(neg_system_message)
# Generate negative prompt using cleaned response
neg_prompt = await send_request(
llm_provider=kwargs.get('llm_provider'),
base_ip=kwargs.get('base_ip'),
port=kwargs.get('port'),
images=images,
llm_model=kwargs.get('llm_model'),
system_message=neg_system_message,
user_message=f"Generate negative prompts for:\n{prompt}",
messages=[], # Fresh context for negative generation
seed=kwargs.get('seed', 0),
temperature=kwargs.get('temperature'),
max_tokens=kwargs.get('max_tokens'),
random=kwargs.get('random'),
top_k=kwargs.get('top_k'),
top_p=kwargs.get('top_p'),
repeat_penalty=kwargs.get('repeat_penalty'),
stop=kwargs.get('stop'),
keep_alive=kwargs.get('keep_alive'),
llm_api_key=kwargs.get('llm_api_key'),
)
# If the response is a dict, extract the actual text before calling clean_text
if isinstance(neg_prompt, dict):
extracted = ""
if "choices" in neg_prompt and neg_prompt["choices"]:
extracted = neg_prompt["choices"][0].get("message", {}).get("content", "")
elif "response" in neg_prompt:
extracted = neg_prompt["response"]
else:
# Fallback: just serialize the dict
extracted = json.dumps(neg_prompt)
neg_prompt = extracted
if neg_prompt:
return clean_text(neg_prompt)
else:
return kwargs.get('neg_content', '')
except Exception as e:
logger.error(f"Error generating negative prompts: {str(e)}")
return ["Error generating negative prompt"]
NODE_CLASS_MAPPINGS = {
"IF_LLM": IFLLM
}
NODE_DISPLAY_NAME_MAPPINGS = {
"IF_LLM": "IF LLM🎨"
}
def get_omost_function():
"""Lazily import omost_function only when needed"""
try:
if "omost" not in sys.modules:
from .omost import omost_function
else:
omost_function = sys.modules["omost"].omost_function
return omost_function
except ImportError as e:
print(f"Error importing omost_function: {e}")
raise