mirror of
https://github.com/AUTOMATIC1111/stable-diffusion-webui.git
synced 2025-10-31 10:03:40 +00:00
416 lines
16 KiB
Python
416 lines
16 KiB
Python
# this scripts installs necessary requirements and launches main program in webui.py
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import re
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import subprocess
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import os
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import sys
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import importlib.util
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import platform
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import json
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from functools import lru_cache
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from modules import cmd_args, errors
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from modules.paths_internal import script_path, extensions_dir
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from modules.timer import startup_timer
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args, _ = cmd_args.parser.parse_known_args()
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python = sys.executable
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git = os.environ.get('GIT', "git")
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index_url = os.environ.get('INDEX_URL', "")
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dir_repos = "repositories"
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# Whether to default to printing command output
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default_command_live = (os.environ.get('WEBUI_LAUNCH_LIVE_OUTPUT') == "1")
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if 'GRADIO_ANALYTICS_ENABLED' not in os.environ:
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os.environ['GRADIO_ANALYTICS_ENABLED'] = 'False'
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def check_python_version():
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is_windows = platform.system() == "Windows"
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major = sys.version_info.major
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minor = sys.version_info.minor
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micro = sys.version_info.micro
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if is_windows:
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supported_minors = [10]
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else:
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supported_minors = [7, 8, 9, 10, 11]
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if not (major == 3 and minor in supported_minors):
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import modules.errors
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modules.errors.print_error_explanation(f"""
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INCOMPATIBLE PYTHON VERSION
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This program is tested with 3.10.6 Python, but you have {major}.{minor}.{micro}.
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If you encounter an error with "RuntimeError: Couldn't install torch." message,
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or any other error regarding unsuccessful package (library) installation,
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please downgrade (or upgrade) to the latest version of 3.10 Python
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and delete current Python and "venv" folder in WebUI's directory.
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You can download 3.10 Python from here: https://www.python.org/downloads/release/python-3106/
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{"Alternatively, use a binary release of WebUI: https://github.com/AUTOMATIC1111/stable-diffusion-webui/releases" if is_windows else ""}
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Use --skip-python-version-check to suppress this warning.
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""")
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@lru_cache()
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def commit_hash():
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try:
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return subprocess.check_output([git, "rev-parse", "HEAD"], shell=False, encoding='utf8').strip()
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except Exception:
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return "<none>"
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@lru_cache()
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def git_tag():
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try:
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return subprocess.check_output([git, "describe", "--tags"], shell=False, encoding='utf8').strip()
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except Exception:
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try:
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changelog_md = os.path.join(os.path.dirname(os.path.dirname(__file__)), "CHANGELOG.md")
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with open(changelog_md, "r", encoding="utf-8") as file:
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line = next((line.strip() for line in file if line.strip()), "<none>")
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line = line.replace("## ", "")
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return line
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except Exception:
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return "<none>"
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def run(command, desc=None, errdesc=None, custom_env=None, live: bool = default_command_live) -> str:
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if desc is not None:
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print(desc)
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run_kwargs = {
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"args": command,
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"shell": True,
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"env": os.environ if custom_env is None else custom_env,
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"encoding": 'utf8',
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"errors": 'ignore',
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}
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if not live:
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run_kwargs["stdout"] = run_kwargs["stderr"] = subprocess.PIPE
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result = subprocess.run(**run_kwargs)
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if result.returncode != 0:
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error_bits = [
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f"{errdesc or 'Error running command'}.",
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f"Command: {command}",
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f"Error code: {result.returncode}",
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]
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if result.stdout:
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error_bits.append(f"stdout: {result.stdout}")
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if result.stderr:
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error_bits.append(f"stderr: {result.stderr}")
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raise RuntimeError("\n".join(error_bits))
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return (result.stdout or "")
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def is_installed(package):
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try:
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spec = importlib.util.find_spec(package)
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except ModuleNotFoundError:
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return False
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return spec is not None
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def repo_dir(name):
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return os.path.join(script_path, dir_repos, name)
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def run_pip(command, desc=None, live=default_command_live):
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if args.skip_install:
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return
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index_url_line = f' --index-url {index_url}' if index_url != '' else ''
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return run(f'"{python}" -m pip {command} --prefer-binary{index_url_line}', desc=f"Installing {desc}", errdesc=f"Couldn't install {desc}", live=live)
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def check_run_python(code: str) -> bool:
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result = subprocess.run([python, "-c", code], capture_output=True, shell=False)
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return result.returncode == 0
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def git_clone(url, dir, name, commithash=None):
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# TODO clone into temporary dir and move if successful
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if os.path.exists(dir):
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if commithash is None:
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return
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current_hash = run(f'"{git}" -C "{dir}" rev-parse HEAD', None, f"Couldn't determine {name}'s hash: {commithash}", live=False).strip()
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if current_hash == commithash:
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return
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run(f'"{git}" -C "{dir}" fetch', f"Fetching updates for {name}...", f"Couldn't fetch {name}")
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run(f'"{git}" -C "{dir}" checkout {commithash}', f"Checking out commit for {name} with hash: {commithash}...", f"Couldn't checkout commit {commithash} for {name}", live=True)
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return
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run(f'"{git}" clone "{url}" "{dir}"', f"Cloning {name} into {dir}...", f"Couldn't clone {name}", live=True)
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if commithash is not None:
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run(f'"{git}" -C "{dir}" checkout {commithash}', None, "Couldn't checkout {name}'s hash: {commithash}")
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def git_pull_recursive(dir):
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for subdir, _, _ in os.walk(dir):
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if os.path.exists(os.path.join(subdir, '.git')):
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try:
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output = subprocess.check_output([git, '-C', subdir, 'pull', '--autostash'])
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print(f"Pulled changes for repository in '{subdir}':\n{output.decode('utf-8').strip()}\n")
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except subprocess.CalledProcessError as e:
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print(f"Couldn't perform 'git pull' on repository in '{subdir}':\n{e.output.decode('utf-8').strip()}\n")
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def version_check(commit):
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try:
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import requests
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commits = requests.get('https://api.github.com/repos/AUTOMATIC1111/stable-diffusion-webui/branches/master').json()
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if commit != "<none>" and commits['commit']['sha'] != commit:
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print("--------------------------------------------------------")
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print("| You are not up to date with the most recent release. |")
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print("| Consider running `git pull` to update. |")
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print("--------------------------------------------------------")
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elif commits['commit']['sha'] == commit:
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print("You are up to date with the most recent release.")
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else:
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print("Not a git clone, can't perform version check.")
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except Exception as e:
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print("version check failed", e)
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def run_extension_installer(extension_dir):
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path_installer = os.path.join(extension_dir, "install.py")
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if not os.path.isfile(path_installer):
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return
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try:
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env = os.environ.copy()
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env['PYTHONPATH'] = f"{os.path.abspath('.')}{os.pathsep}{env.get('PYTHONPATH', '')}"
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print(run(f'"{python}" "{path_installer}"', errdesc=f"Error running install.py for extension {extension_dir}", custom_env=env))
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except Exception as e:
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errors.report(str(e))
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def list_extensions(settings_file):
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settings = {}
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try:
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if os.path.isfile(settings_file):
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with open(settings_file, "r", encoding="utf8") as file:
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settings = json.load(file)
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except Exception:
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errors.report("Could not load settings", exc_info=True)
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disabled_extensions = set(settings.get('disabled_extensions', []))
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disable_all_extensions = settings.get('disable_all_extensions', 'none')
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if disable_all_extensions != 'none':
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return []
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return [x for x in os.listdir(extensions_dir) if x not in disabled_extensions]
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def run_extensions_installers(settings_file):
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if not os.path.isdir(extensions_dir):
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return
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with startup_timer.subcategory("run extensions installers"):
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for dirname_extension in list_extensions(settings_file):
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path = os.path.join(extensions_dir, dirname_extension)
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if os.path.isdir(path):
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run_extension_installer(path)
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startup_timer.record(dirname_extension)
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re_requirement = re.compile(r"\s*([-_a-zA-Z0-9]+)\s*(?:==\s*([-+_.a-zA-Z0-9]+))?\s*")
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def requirements_met(requirements_file):
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"""
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Does a simple parse of a requirements.txt file to determine if all rerqirements in it
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are already installed. Returns True if so, False if not installed or parsing fails.
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"""
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import importlib.metadata
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import packaging.version
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with open(requirements_file, "r", encoding="utf8") as file:
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for line in file:
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if line.strip() == "":
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continue
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m = re.match(re_requirement, line)
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if m is None:
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return False
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package = m.group(1).strip()
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version_required = (m.group(2) or "").strip()
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if version_required == "":
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continue
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try:
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version_installed = importlib.metadata.version(package)
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except Exception:
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return False
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if packaging.version.parse(version_required) != packaging.version.parse(version_installed):
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return False
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return True
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def prepare_environment():
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torch_index_url = os.environ.get('TORCH_INDEX_URL', "https://download.pytorch.org/whl/cu118")
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torch_command = os.environ.get('TORCH_COMMAND', f"pip install torch==2.0.1 torchvision==0.15.2 --extra-index-url {torch_index_url}")
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requirements_file = os.environ.get('REQS_FILE', "requirements_versions.txt")
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xformers_package = os.environ.get('XFORMERS_PACKAGE', 'xformers==0.0.20')
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gfpgan_package = os.environ.get('GFPGAN_PACKAGE', "https://github.com/TencentARC/GFPGAN/archive/8d2447a2d918f8eba5a4a01463fd48e45126a379.zip")
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clip_package = os.environ.get('CLIP_PACKAGE', "https://github.com/openai/CLIP/archive/d50d76daa670286dd6cacf3bcd80b5e4823fc8e1.zip")
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openclip_package = os.environ.get('OPENCLIP_PACKAGE', "https://github.com/mlfoundations/open_clip/archive/bb6e834e9c70d9c27d0dc3ecedeebeaeb1ffad6b.zip")
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stable_diffusion_repo = os.environ.get('STABLE_DIFFUSION_REPO', "https://github.com/Stability-AI/stablediffusion.git")
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stable_diffusion_xl_repo = os.environ.get('STABLE_DIFFUSION_XL_REPO', "https://github.com/Stability-AI/generative-models.git")
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k_diffusion_repo = os.environ.get('K_DIFFUSION_REPO', 'https://github.com/crowsonkb/k-diffusion.git')
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codeformer_repo = os.environ.get('CODEFORMER_REPO', 'https://github.com/sczhou/CodeFormer.git')
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blip_repo = os.environ.get('BLIP_REPO', 'https://github.com/salesforce/BLIP.git')
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stable_diffusion_commit_hash = os.environ.get('STABLE_DIFFUSION_COMMIT_HASH', "cf1d67a6fd5ea1aa600c4df58e5b47da45f6bdbf")
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stable_diffusion_xl_commit_hash = os.environ.get('STABLE_DIFFUSION_XL_COMMIT_HASH', "5c10deee76adad0032b412294130090932317a87")
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k_diffusion_commit_hash = os.environ.get('K_DIFFUSION_COMMIT_HASH', "c9fe758757e022f05ca5a53fa8fac28889e4f1cf")
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codeformer_commit_hash = os.environ.get('CODEFORMER_COMMIT_HASH', "c5b4593074ba6214284d6acd5f1719b6c5d739af")
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blip_commit_hash = os.environ.get('BLIP_COMMIT_HASH', "48211a1594f1321b00f14c9f7a5b4813144b2fb9")
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try:
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# the existance of this file is a signal to webui.sh/bat that webui needs to be restarted when it stops execution
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os.remove(os.path.join(script_path, "tmp", "restart"))
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os.environ.setdefault('SD_WEBUI_RESTARTING', '1')
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except OSError:
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pass
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if not args.skip_python_version_check:
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check_python_version()
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startup_timer.record("checks")
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commit = commit_hash()
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tag = git_tag()
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startup_timer.record("git version info")
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print(f"Python {sys.version}")
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print(f"Version: {tag}")
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print(f"Commit hash: {commit}")
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if args.reinstall_torch or not is_installed("torch") or not is_installed("torchvision"):
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run(f'"{python}" -m {torch_command}', "Installing torch and torchvision", "Couldn't install torch", live=True)
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startup_timer.record("install torch")
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if not args.skip_torch_cuda_test and not check_run_python("import torch; assert torch.cuda.is_available()"):
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raise RuntimeError(
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'Torch is not able to use GPU; '
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'add --skip-torch-cuda-test to COMMANDLINE_ARGS variable to disable this check'
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)
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startup_timer.record("torch GPU test")
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if not is_installed("gfpgan"):
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run_pip(f"install {gfpgan_package}", "gfpgan")
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startup_timer.record("install gfpgan")
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if not is_installed("clip"):
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run_pip(f"install {clip_package}", "clip")
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startup_timer.record("install clip")
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if not is_installed("open_clip"):
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run_pip(f"install {openclip_package}", "open_clip")
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startup_timer.record("install open_clip")
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if (not is_installed("xformers") or args.reinstall_xformers) and args.xformers:
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if platform.system() == "Windows":
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if platform.python_version().startswith("3.10"):
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run_pip(f"install -U -I --no-deps {xformers_package}", "xformers", live=True)
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else:
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print("Installation of xformers is not supported in this version of Python.")
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print("You can also check this and build manually: https://github.com/AUTOMATIC1111/stable-diffusion-webui/wiki/Xformers#building-xformers-on-windows-by-duckness")
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if not is_installed("xformers"):
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exit(0)
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elif platform.system() == "Linux":
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run_pip(f"install -U -I --no-deps {xformers_package}", "xformers")
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startup_timer.record("install xformers")
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if not is_installed("ngrok") and args.ngrok:
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run_pip("install ngrok", "ngrok")
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startup_timer.record("install ngrok")
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os.makedirs(os.path.join(script_path, dir_repos), exist_ok=True)
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git_clone(stable_diffusion_repo, repo_dir('stable-diffusion-stability-ai'), "Stable Diffusion", stable_diffusion_commit_hash)
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git_clone(stable_diffusion_xl_repo, repo_dir('generative-models'), "Stable Diffusion XL", stable_diffusion_xl_commit_hash)
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git_clone(k_diffusion_repo, repo_dir('k-diffusion'), "K-diffusion", k_diffusion_commit_hash)
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git_clone(codeformer_repo, repo_dir('CodeFormer'), "CodeFormer", codeformer_commit_hash)
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git_clone(blip_repo, repo_dir('BLIP'), "BLIP", blip_commit_hash)
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startup_timer.record("clone repositores")
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if not is_installed("lpips"):
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run_pip(f"install -r \"{os.path.join(repo_dir('CodeFormer'), 'requirements.txt')}\"", "requirements for CodeFormer")
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startup_timer.record("install CodeFormer requirements")
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if not os.path.isfile(requirements_file):
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requirements_file = os.path.join(script_path, requirements_file)
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if not requirements_met(requirements_file):
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run_pip(f"install -r \"{requirements_file}\"", "requirements")
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startup_timer.record("install requirements")
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run_extensions_installers(settings_file=args.ui_settings_file)
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if args.update_check:
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version_check(commit)
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startup_timer.record("check version")
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if args.update_all_extensions:
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git_pull_recursive(extensions_dir)
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startup_timer.record("update extensions")
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if "--exit" in sys.argv:
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print("Exiting because of --exit argument")
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exit(0)
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def configure_for_tests():
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if "--api" not in sys.argv:
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sys.argv.append("--api")
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if "--ckpt" not in sys.argv:
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sys.argv.append("--ckpt")
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sys.argv.append(os.path.join(script_path, "test/test_files/empty.pt"))
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if "--skip-torch-cuda-test" not in sys.argv:
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sys.argv.append("--skip-torch-cuda-test")
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if "--disable-nan-check" not in sys.argv:
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sys.argv.append("--disable-nan-check")
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os.environ['COMMANDLINE_ARGS'] = ""
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def start():
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print(f"Launching {'API server' if '--nowebui' in sys.argv else 'Web UI'} with arguments: {' '.join(sys.argv[1:])}")
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import webui
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if '--nowebui' in sys.argv:
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webui.api_only()
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else:
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webui.webui()
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