ArchiveBox/archivebox/abx/__init__.py
2024-10-09 00:39:46 -07:00

90 lines
3.1 KiB
Python

__package__ = 'abx'
import importlib
from pathlib import Path
from typing import Dict
from . import hookspec as base_spec
from .hookspec import hookimpl, hookspec # noqa
from .manager import pm, PluginManager # noqa
pm.add_hookspecs(base_spec)
###### PLUGIN DISCOVERY AND LOADING ########################################################
def get_plugin_order(plugin_entrypoint: Path):
order = 999
try:
# if .plugin_order file exists, use it to set the load priority
order = int((plugin_entrypoint.parent / '.plugin_order').read_text())
except FileNotFoundError:
pass
return (order, plugin_entrypoint)
def register_hookspecs(hookspecs):
for hookspec_import_path in hookspecs:
hookspec_module = importlib.import_module(hookspec_import_path)
pm.add_hookspecs(hookspec_module)
def find_plugins_in_dir(plugins_dir: Path, prefix: str) -> Dict[str, Path]:
return {
f"{prefix}.{plugin_entrypoint.parent.name}": plugin_entrypoint.parent
for plugin_entrypoint in sorted(plugins_dir.glob("*/apps.py"), key=get_plugin_order)
} # "plugins_pkg.pip": "/app/archivebox/plugins_pkg/pip"
def get_pip_installed_plugins(group='abx'):
"""replaces pm.load_setuptools_entrypoints("abx")"""
import importlib.metadata
DETECTED_PLUGINS = {} # module_name: module_dir_path
for dist in list(importlib.metadata.distributions()):
for entrypoint in dist.entry_points:
if entrypoint.group != group or pm.is_blocked(entrypoint.name):
continue
DETECTED_PLUGINS[entrypoint.name] = Path(entrypoint.load().__file__).parent
# pm.register(plugin, name=ep.name)
# pm._plugin_distinfo.append((plugin, DistFacade(dist)))
return DETECTED_PLUGINS
def get_plugins_in_dirs(plugin_dirs: Dict[str, Path]):
DETECTED_PLUGINS = {}
for plugin_prefix, plugin_dir in plugin_dirs.items():
DETECTED_PLUGINS.update(find_plugins_in_dir(plugin_dir, prefix=plugin_prefix))
return DETECTED_PLUGINS
# Load all plugins from pip packages, archivebox built-ins, and user plugins
def load_plugins(plugins_dict: Dict[str, Path]):
LOADED_PLUGINS = {}
for plugin_module, plugin_dir in plugins_dict.items():
# print(f'Loading plugin: {plugin_module} from {plugin_dir}')
plugin_module_loaded = importlib.import_module(plugin_module)
pm.register(plugin_module_loaded)
LOADED_PLUGINS[plugin_module] = plugin_module_loaded.PLUGIN
# print(f' √ Loaded plugin: {plugin_module}')
return LOADED_PLUGINS
def get_registered_plugins():
plugins = {}
plugin_to_distinfo = dict(pm.list_plugin_distinfo())
for plugin in pm.get_plugins():
plugin_info = {
"name": plugin.__name__,
"hooks": [h.name for h in pm.get_hookcallers(plugin) or ()],
}
distinfo = plugin_to_distinfo.get(plugin)
if distinfo:
plugin_info["version"] = distinfo.version
plugin_info["name"] = (
getattr(distinfo, "name", None) or distinfo.project_name
)
plugins[plugin_info["name"]] = plugin_info
return plugins