import os
from typing import Sequence, Mapping, Any, Union
import sys
sys.path.append('../')
args = None
def import_custom_nodes() -> None:
"""Find all custom nodes in the custom_nodes folder and add those node objects to NODE_CLASS_MAPPINGS
This function sets up a new asyncio event loop, initializes the PromptServer,
creates a PromptQueue, and initializes the custom nodes.
"""
import asyncio
import execution
from nodes import init_extra_nodes
import server
# Creating a new event loop and setting it as the default loop
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
# Creating an instance of PromptServer with the loop
server_instance = server.PromptServer(loop)
execution.PromptQueue(server_instance)
# Initializing custom nodes
init_extra_nodes(init_custom_nodes=True)
def find_path(name: str, path: str = None) -> str:
"""
Recursively looks at parent folders starting from the given path until it finds the given name.
Returns the path as a Path object if found, or None otherwise.
"""
# If no path is given, use the current working directory
if path is None:
if args is None or args.comfyui_directory is None:
path = os.getcwd()
else:
path = args.comfyui_directory
# Check if the current directory contains the name
if name in os.listdir(path):
path_name = os.path.join(path, name)
print(f"{name} found: {path_name}")
return path_name
# Get the parent directory
parent_directory = os.path.dirname(path)
# If the parent directory is the same as the current directory, we've reached the root and stop the search
if parent_directory == path:
return None
# Recursively call the function with the parent directory
return find_path(name, parent_directory)
def add_comfyui_directory_to_sys_path() -> None:
"""
Add 'ComfyUI' to the sys.path
"""
comfyui_path = find_path('ComfyUI')
if comfyui_path is not None and os.path.isdir(comfyui_path):
sys.path.append(comfyui_path)
import __main__
if getattr(__main__, "__file__", None) is None:
__main__.__file__ = os.path.join(comfyui_path, "main.py")
print(f"'{comfyui_path}' added to sys.path")
def add_extra_model_paths() -> None:
"""
Parse the optional extra_model_paths.yaml file and add the parsed paths to the sys.path.
"""
from utils.extra_config import load_extra_path_config
extra_model_paths = find_path("extra_model_paths.yaml")
if extra_model_paths is not None:
load_extra_path_config(extra_model_paths)
else:
print("Could not find the extra_model_paths config file.")
def get_value_at_index(obj: Union[Sequence, Mapping], index: int) -> Any:
"""Returns the value at the given index of a sequence or mapping.
If the object is a sequence (like list or string), returns the value at the given index.
If the object is a mapping (like a dictionary), returns the value at the index-th key.
Some return a dictionary, in these cases, we look for the "results" key
Args:
obj (Union[Sequence, Mapping]): The object to retrieve the value from.
index (int): The index of the value to retrieve.
Returns:
Any: The value at the given index.
Raises:
IndexError: If the index is out of bounds for the object and the object is not a mapping.
"""
try:
return obj[index]
except KeyError:
return obj['result'][index]
def parse_arg(s: Any):
""" Parses a JSON string, returning it unchanged if the parsing fails. """
if __name__ == "__main__" or not isinstance(s, str):
return s
try:
return json.loads(s)
except json.JSONDecodeError:
return s
def save_image_wrapper(context, cls):
if args.output is None: return cls
from PIL import Image, ImageOps, ImageSequence
from PIL.PngImagePlugin import PngInfo
import numpy as np
class WrappedSaveImage(cls):
counter = 0
def save_images(self, images, filename_prefix="ComfyUI", prompt=None, extra_pnginfo=None):
if args.output is None:
return super().save_images(images, filename_prefix, prompt, extra_pnginfo)
else:
if len(images) > 1 and args.output == "-":
raise ValueError("Cannot save multiple images to stdout")
filename_prefix += self.prefix_append
results = list()
for (batch_number, image) in enumerate(images):
i = 255. * image.cpu().numpy()
img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
metadata = None
if not args.disable_metadata:
metadata = PngInfo()
if prompt is not None:
metadata.add_text("prompt", json.dumps(prompt))
if extra_pnginfo is not None:
for x in extra_pnginfo:
metadata.add_text(x, json.dumps(extra_pnginfo[x]))
if args.output == "-":
# Hack to briefly restore stdout
if context is not None:
context.__exit__(None, None, None)
try:
img.save(sys.stdout.buffer, format="png", pnginfo=metadata, compress_level=self.compress_level)
finally:
if context is not None:
context.__enter__()
else:
subfolder = ""
if len(images) == 1:
if os.path.isdir(args.output):
subfolder = args.output
file = "output.png"
else:
subfolder, file = os.path.split(args.output)
if subfolder == "":
subfolder = os.getcwd()
else:
if os.path.isdir(args.output):
subfolder = args.output
file = filename_prefix
else:
subfolder, file = os.path.split(args.output)
if subfolder == "":
subfolder = os.getcwd()
files = os.listdir(subfolder)
file_pattern = file
while True:
filename_with_batch_num = file_pattern.replace("%batch_num%", str(batch_number))
file = f"{filename_with_batch_num}_{self.counter:05}.png"
self.counter += 1
if file not in files:
break
img.save(os.path.join(subfolder, file), pnginfo=metadata, compress_level=self.compress_level)
print("Saved image to", os.path.join(subfolder, file))
results.append({
"filename": file,
"subfolder": subfolder,
"type": self.type
})
return {"ui": {"images": results}}
return WrappedSaveImage