140 lines
4.7 KiB
Python
140 lines
4.7 KiB
Python
# Python imports
|
|
import os
|
|
import sys
|
|
import importlib
|
|
import traceback
|
|
from os.path import join
|
|
from os.path import isdir
|
|
|
|
# Lib imports
|
|
import gi
|
|
from gi.repository import GLib
|
|
|
|
# Application imports
|
|
from libs.controllers.controller_base import ControllerBase
|
|
|
|
from libs.dto.plugins.manifest_meta import ManifestMeta
|
|
|
|
from libs.dto.base_event import BaseEvent
|
|
|
|
from .manifest_manager import ManifestManager
|
|
from .plugins_controller_mixin import PluginsControllerMixin
|
|
from .plugin_reload_mixin import PluginReloadMixin
|
|
from .plugin_context import PluginContext
|
|
|
|
|
|
|
|
class PluginsControllerException(Exception):
|
|
...
|
|
|
|
|
|
|
|
class PluginsController(ControllerBase, PluginsControllerMixin, PluginReloadMixin):
|
|
""" PluginsController controller """
|
|
|
|
def __init__(self):
|
|
super(PluginsController, self).__init__()
|
|
|
|
# path = os.path.dirname(os.path.realpath(__file__))
|
|
# sys.path.insert(0, path) # NOTE: I think I'm not using this correctly...
|
|
|
|
self._plugin_collection: list = []
|
|
|
|
self._plugins_path: str = settings_manager.path_manager.get_plugins_path()
|
|
self._manifest_manager: ManifestManager = ManifestManager()
|
|
|
|
self._set_plugins_watcher()
|
|
|
|
|
|
def _controller_message(self, event: BaseEvent):
|
|
for manifest_meta in self._plugin_collection:
|
|
manifest_meta.instance._controller_message(event)
|
|
|
|
def _collect_search_locations(self, path: str, locations: list):
|
|
locations.append(path)
|
|
for file in os.listdir(path):
|
|
_path = os.path.join(path, file)
|
|
if os.path.isdir(_path):
|
|
self.collect_search_locations(_path, locations)
|
|
|
|
def _load_plugins(
|
|
self,
|
|
manifest_metas: list = [],
|
|
is_pre_launch: bool = False
|
|
):
|
|
parent_path = os.getcwd()
|
|
|
|
for manifest_meta in manifest_metas:
|
|
path, folder, manifest = manifest_meta.path, manifest_meta.folder, manifest_meta.manifest
|
|
|
|
try:
|
|
target = join(path, "plugin.py")
|
|
if not os.path.exists(target):
|
|
raise InvalidPluginException("Invalid Plugin Structure: Plugin doesn't have 'plugin.py'. Aboarting load...")
|
|
|
|
module = self._load_plugin_module(path, folder, target)
|
|
|
|
if is_pre_launch:
|
|
self.execute_plugin(module, manifest_meta)
|
|
else:
|
|
GLib.idle_add(self.execute_plugin, module, manifest_meta)
|
|
except Exception as e:
|
|
logger.info(f"Malformed Plugin: Not loading -->: '{folder}' !")
|
|
logger.debug(f"Trace: {traceback.print_exc()}")
|
|
|
|
os.chdir(parent_path)
|
|
|
|
def _load_plugin_module(self, path, folder, target):
|
|
os.chdir(path)
|
|
|
|
locations = []
|
|
self._collect_search_locations(path, locations)
|
|
|
|
spec = importlib.util.spec_from_file_location(folder, target, submodule_search_locations = locations)
|
|
module = importlib.util.module_from_spec(spec)
|
|
sys.modules[folder] = module
|
|
spec.loader.exec_module(module)
|
|
|
|
return module
|
|
|
|
def create_plugin_context(self):
|
|
plugin_context: PluginContext = PluginContext()
|
|
|
|
plugin_context.requests_ui_element: callable = self.requests_ui_element
|
|
plugin_context.message: callable = self.message
|
|
plugin_context.message_to: callable = self.message_to
|
|
plugin_context.message_to_selected: callable = self.message_to_selected
|
|
plugin_context.emit: callable = event_system.emit
|
|
plugin_context.emit_and_await: callable = event_system.emit_and_await
|
|
|
|
return plugin_context
|
|
|
|
def pre_launch_plugins(self) -> None:
|
|
logger.info(f"Loading pre-launch plugins...")
|
|
manifest_metas: list = self._manifest_manager.get_pre_launch_plugins()
|
|
self._load_plugins(manifest_metas, is_pre_launch = True)
|
|
|
|
def post_launch_plugins(self) -> None:
|
|
logger.info(f"Loading post-launch plugins...")
|
|
manifest_metas: list = self._manifest_manager.get_post_launch_plugins()
|
|
self._load_plugins(manifest_metas)
|
|
|
|
def execute_plugin(self, module: type, manifest_meta: ManifestMeta):
|
|
plugin = module.Plugin()
|
|
plugin.plugin_context: PluginContext = self.create_plugin_context()
|
|
|
|
manifest = manifest_meta.manifest
|
|
manifest_meta.instance = plugin
|
|
|
|
if manifest.requests.bind_keys:
|
|
keybindings.append_bindings( manifest.requests.bind_keys )
|
|
|
|
manifest_meta.instance.load()
|
|
manifest_meta.instance.run()
|
|
|
|
self._plugin_collection.append(manifest_meta)
|
|
|
|
|
|
|
|
plugins_controller = PluginsController()
|