First commit with core code
Core developed code and functionality of LevelPixel nodes
This commit is contained in:
Level Pixel Dev
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import os
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import json
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import shutil
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import platform
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import subprocess
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import sys
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import importlib.util
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import re
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import torch
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import inspect
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import packaging.tags
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from requests import get
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from server import PromptServer
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def get_python_version():
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version_match = re.match(r"3\.(\d+)", platform.python_version())
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if version_match:
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return "3" + version_match.group(1)
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else:
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return None
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def get_system_info():
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system_info = {
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'gpu': False,
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'cuda_version': None,
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'python_version': get_python_version(),
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'os': platform.system(),
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'os_bit': platform.architecture()[0].replace("bit", ""),
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'platform_tag': None,
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}
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# Check for NVIDIA GPU and CUDA version
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if importlib.util.find_spec('torch'):
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system_info['gpu'] = torch.cuda.is_available()
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if system_info['gpu']:
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system_info['cuda_version'] = "cu" + torch.version.cuda.replace(".", "").strip()
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# Determine the platform tag
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if importlib.util.find_spec('packaging.tags'):
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system_info['platform_tag'] = next(packaging.tags.sys_tags()).platform
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return system_info
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def latest_lamacpp():
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try:
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response = get("https://api.github.com/repos/abetlen/llama-cpp-python/releases/latest")
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return response.json()["tag_name"].replace("v", "")
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except Exception:
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return "0.2.20"
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def install_package(package_name, custom_command=None):
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if not package_is_installed(package_name):
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print(f"Installing {package_name}...")
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command = [sys.executable, "-m", "pip", "install", package_name, "--no-cache-dir"]
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if custom_command:
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command += custom_command.split()
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subprocess.check_call(command)
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else:
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print(f"{package_name} is already installed.")
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def package_is_installed(package_name):
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return importlib.util.find_spec(package_name) is not None
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def install_llama(system_info):
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imported = package_is_installed("llama-cpp-python") or package_is_installed("llama_cpp")
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if not imported:
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lcpp_version = latest_lamacpp()
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base_url = "https://github.com/abetlen/llama-cpp-python/releases/download/v"
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if system_info['gpu']:
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cuda_version = system_info['cuda_version']
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custom_command = f"--force-reinstall --no-deps --index-url=https://abetlen.github.io/llama-cpp-python/whl/{cuda_version}"
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else:
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custom_command = f"{base_url}{lcpp_version}/llama_cpp_python-{lcpp_version}-{system_info['platform_tag']}.whl"
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install_package("llama-cpp-python", custom_command=custom_command)
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config = None
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def is_logging_enabled():
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config = get_extension_config()
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if "logging" not in config:
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return False
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return config["logging"]
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def log(message, type=None, always=False, name=None):
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if not always and not is_logging_enabled():
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return
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if type is not None:
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message = f"[{type}] {message}"
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if name is None:
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name = get_extension_config()["name"]
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print(f"(levelpixel-nodes:{name}) {message}")
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def get_ext_dir(subpath=None, mkdir=False):
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dir = os.path.dirname(__file__)
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if subpath is not None:
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dir = os.path.join(dir, subpath)
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dir = os.path.abspath(dir)
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if mkdir and not os.path.exists(dir):
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os.makedirs(dir)
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return dir
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def get_extension_config(reload=False):
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global config
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if reload == False and config is not None:
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return config
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config_path = get_ext_dir("levelpixel.json")
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default_config_path = get_ext_dir("levelpixel.default.json")
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if not os.path.exists(config_path):
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if os.path.exists(default_config_path):
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shutil.copy(default_config_path, config_path)
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if not os.path.exists(config_path):
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log(f"Failed to create config at {config_path}", type="ERROR", always=True, name="???")
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print(f"Extension path: {get_ext_dir()}")
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return {"name": "Unknown", "version": -1}
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else:
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log("Missing levelpixel.default.json, this extension may not work correctly. Please reinstall the extension.",
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type="ERROR", always=True, name="???")
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print(f"Extension path: {get_ext_dir()}")
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return {"name": "Unknown", "version": -1}
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with open(config_path, "r") as f:
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config = json.loads(f.read())
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return config
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def link_js(src, dst):
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src = os.path.abspath(src)
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dst = os.path.abspath(dst)
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if os.name == "nt":
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try:
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import _winapi
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_winapi.CreateJunction(src, dst)
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return True
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except:
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pass
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try:
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os.symlink(src, dst)
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return True
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except:
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import logging
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logging.exception('')
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return False
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def is_junction(path):
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if os.name != "nt":
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return False
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try:
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return bool(os.readlink(path))
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except OSError:
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return False
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def install_js():
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src_dir = get_ext_dir("web/js")
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if not os.path.exists(src_dir):
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log("No JS")
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return
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should_install = should_install_js()
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if should_install:
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log("it looks like you're running an old version of ComfyUI that requires manual setup of web files, it is recommended you update your installation.", "warning", True)
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dst_dir = get_web_ext_dir()
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linked = os.path.islink(dst_dir) or is_junction(dst_dir)
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if linked or os.path.exists(dst_dir):
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if linked:
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if should_install:
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log("JS already linked")
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else:
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os.unlink(dst_dir)
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log("JS unlinked, PromptServer will serve extension")
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elif not should_install:
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shutil.rmtree(dst_dir)
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log("JS deleted, PromptServer will serve extension")
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return
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if not should_install:
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log("JS skipped, PromptServer will serve extension")
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return
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if link_js(src_dir, dst_dir):
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log("JS linked")
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return
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log("Copying JS files")
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shutil.copytree(src_dir, dst_dir, dirs_exist_ok=True)
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def get_web_ext_dir():
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config = get_extension_config()
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name = config["name"]
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dir = get_comfy_dir("web/extensions/levelpixel")
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if not os.path.exists(dir):
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os.makedirs(dir)
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dir = os.path.join(dir, name)
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return dir
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def get_comfy_dir(subpath=None, mkdir=False):
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dir = os.path.dirname(inspect.getfile(PromptServer))
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if subpath is not None:
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dir = os.path.join(dir, subpath)
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dir = os.path.abspath(dir)
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if mkdir and not os.path.exists(dir):
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os.makedirs(dir)
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return dir
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def should_install_js():
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return not hasattr(PromptServer.instance, "supports") or "custom_nodes_from_web" not in PromptServer.instance.supports
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def init(check_imports=None):
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log("Init")
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if check_imports is not None:
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import importlib.util
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for imp in check_imports:
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spec = importlib.util.find_spec(imp)
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if spec is None:
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log(f"{imp} is required, please check requirements are installed.",
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type="ERROR", always=True)
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return False
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install_js()
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return True
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