stable-diffusion-webui/modules/extensions.py
d8ahazard cfcadeae9a Add option to preload extensions
By creating a file called "preload.py" in an extension folder and declaring a preload(parser) method, we can add extra command-line args for an extension.
2022-11-08 10:03:56 -06:00

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3.1 KiB
Python

import os
import sys
import traceback
from importlib.machinery import SourceFileLoader
import git
from modules import paths, shared
extensions = []
extensions_dir = os.path.join(paths.script_path, "extensions")
def active():
return [x for x in extensions if x.enabled]
class Extension:
def __init__(self, name, path, enabled=True):
self.name = name
self.path = path
self.enabled = enabled
self.status = ''
self.can_update = False
repo = None
try:
if os.path.exists(os.path.join(path, ".git")):
repo = git.Repo(path)
except Exception:
print(f"Error reading github repository info from {path}:", file=sys.stderr)
print(traceback.format_exc(), file=sys.stderr)
if repo is None or repo.bare:
self.remote = None
else:
try:
self.remote = next(repo.remote().urls, None)
self.status = 'unknown'
except Exception:
self.remote = None
def list_files(self, subdir, extension):
from modules import scripts
dirpath = os.path.join(self.path, subdir)
if not os.path.isdir(dirpath):
return []
res = []
for filename in sorted(os.listdir(dirpath)):
res.append(scripts.ScriptFile(self.path, filename, os.path.join(dirpath, filename)))
res = [x for x in res if os.path.splitext(x.path)[1].lower() == extension and os.path.isfile(x.path)]
return res
def check_updates(self):
repo = git.Repo(self.path)
for fetch in repo.remote().fetch("--dry-run"):
if fetch.flags != fetch.HEAD_UPTODATE:
self.can_update = True
self.status = "behind"
return
self.can_update = False
self.status = "latest"
def pull(self):
repo = git.Repo(self.path)
repo.remotes.origin.pull()
def list_extensions():
extensions.clear()
if not os.path.isdir(extensions_dir):
return
for dirname in sorted(os.listdir(extensions_dir)):
path = os.path.join(extensions_dir, dirname)
if not os.path.isdir(path):
continue
extension = Extension(name=dirname, path=path, enabled=dirname not in shared.opts.disabled_extensions)
extensions.append(extension)
def preload_extensions(parser):
if not os.path.isdir(extensions_dir):
return
for dirname in sorted(os.listdir(extensions_dir)):
path = os.path.join(extensions_dir, dirname)
if not os.path.isdir(path):
continue
for file in os.listdir(path):
if "preload.py" in file:
full_file = os.path.join(path, file)
print(f"Got preload file: {full_file}")
try:
ext = SourceFileLoader("preload", full_file).load_module()
parser = ext.preload(parser)
except Exception as e:
print(f"Exception preloading script: {e}")
return parser