cfcadeae9a
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.
107 lines
No EOL
3.1 KiB
Python
107 lines
No EOL
3.1 KiB
Python
import os
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import sys
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import traceback
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from importlib.machinery import SourceFileLoader
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import git
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from modules import paths, shared
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extensions = []
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extensions_dir = os.path.join(paths.script_path, "extensions")
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def active():
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return [x for x in extensions if x.enabled]
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class Extension:
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def __init__(self, name, path, enabled=True):
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self.name = name
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self.path = path
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self.enabled = enabled
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self.status = ''
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self.can_update = False
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repo = None
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try:
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if os.path.exists(os.path.join(path, ".git")):
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repo = git.Repo(path)
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except Exception:
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print(f"Error reading github repository info from {path}:", file=sys.stderr)
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print(traceback.format_exc(), file=sys.stderr)
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if repo is None or repo.bare:
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self.remote = None
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else:
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try:
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self.remote = next(repo.remote().urls, None)
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self.status = 'unknown'
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except Exception:
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self.remote = None
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def list_files(self, subdir, extension):
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from modules import scripts
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dirpath = os.path.join(self.path, subdir)
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if not os.path.isdir(dirpath):
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return []
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res = []
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for filename in sorted(os.listdir(dirpath)):
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res.append(scripts.ScriptFile(self.path, filename, os.path.join(dirpath, filename)))
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res = [x for x in res if os.path.splitext(x.path)[1].lower() == extension and os.path.isfile(x.path)]
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return res
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def check_updates(self):
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repo = git.Repo(self.path)
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for fetch in repo.remote().fetch("--dry-run"):
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if fetch.flags != fetch.HEAD_UPTODATE:
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self.can_update = True
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self.status = "behind"
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return
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self.can_update = False
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self.status = "latest"
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def pull(self):
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repo = git.Repo(self.path)
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repo.remotes.origin.pull()
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def list_extensions():
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extensions.clear()
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if not os.path.isdir(extensions_dir):
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return
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for dirname in sorted(os.listdir(extensions_dir)):
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path = os.path.join(extensions_dir, dirname)
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if not os.path.isdir(path):
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continue
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extension = Extension(name=dirname, path=path, enabled=dirname not in shared.opts.disabled_extensions)
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extensions.append(extension)
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def preload_extensions(parser):
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if not os.path.isdir(extensions_dir):
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return
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for dirname in sorted(os.listdir(extensions_dir)):
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path = os.path.join(extensions_dir, dirname)
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if not os.path.isdir(path):
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continue
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for file in os.listdir(path):
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if "preload.py" in file:
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full_file = os.path.join(path, file)
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print(f"Got preload file: {full_file}")
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try:
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ext = SourceFileLoader("preload", full_file).load_module()
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parser = ext.preload(parser)
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except Exception as e:
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print(f"Exception preloading script: {e}")
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return parser |