extending plugins to load pre or post app start

src/plugins/plugins_controller.py

@@ -10,6 +10,7 @@ from os.path import isdir
 import gi
 gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
+from gi.repository import GLib
 from gi.repository import Gio
 
 # Application imports
@@ -35,11 +36,23 @@ class PluginsController:
 
         self._plugins_dir_watcher = None
         self._plugin_collection   = []
+        self._plugin_manifests    = {}
+
+        self._load_manifests()
 
 
-    def launch_plugins(self) -> None:
+    def _load_manifests(self):
+        logger.info(f"Loading manifests...")
+
+        for path, folder in [[join(self._plugins_path, item), item] if os.path.isdir(join(self._plugins_path, item)) else None for item in os.listdir(self._plugins_path)]:
+            manifest = ManifestProcessor(path, self._builder)
+            self._plugin_manifests[path] =  {
+                "path": path,
+                "folder": folder,
+                "manifest": manifest
+            }
+
         self._set_plugins_watcher()
-        self.load_plugins()
 
     def _set_plugins_watcher(self) -> None:
         self._plugins_dir_watcher  = Gio.File.new_for_path(self._plugins_path) \
@@ -52,21 +65,47 @@ class PluginsController:
                                                     Gio.FileMonitorEvent.MOVED_OUT]:
             self.reload_plugins(file)
 
-    def load_plugins(self, file: str = None) -> None:
-        logger.info(f"Loading plugins...")
+    def pre_launch_plugins(self) -> None:
+        logger.info(f"Loading pre-launch plugins...")
+        plugin_manifests: {} = {}
+
+        for key in self._plugin_manifests:
+            target_manifest = self._plugin_manifests[key]["manifest"]
+            if target_manifest.is_pre_launch():
+                plugin_manifests[key] = self._plugin_manifests[key]
+
+        self._load_plugins(plugin_manifests, is_pre_launch = True)
+
+    def post_launch_plugins(self) -> None:
+        logger.info(f"Loading post-launch plugins...")
+        plugin_manifests: {} = {}
+
+        for key in self._plugin_manifests:
+            target_manifest = self._plugin_manifests[key]["manifest"]
+            if not target_manifest.is_pre_launch():
+                plugin_manifests[key] = self._plugin_manifests[key]
+
+        self._load_plugins(plugin_manifests)
+
+    def _load_plugins(self, plugin_manifests: {} = {}, is_pre_launch: bool = False) -> None:
         parent_path = os.getcwd()
 
-        for path, folder in [[join(self._plugins_path, item), item] if os.path.isdir(join(self._plugins_path, item)) else None for item in os.listdir(self._plugins_path)]:
-            try:
-                target   = join(path, "plugin.py")
-                manifest = ManifestProcessor(path, self._builder)
+        for key in plugin_manifests:
+            target_manifest = plugin_manifests[key]
+            path, folder, manifest = target_manifest["path"], target_manifest["folder"], target_manifest["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...")
 
                 plugin, loading_data = manifest.get_loading_data()
                 module               = self.load_plugin_module(path, folder, target)
-                self.execute_plugin(module, plugin, loading_data)
+
+                if is_pre_launch:
+                    self.execute_plugin(module, plugin, loading_data)
+                else:
+                    GLib.idle_add(self.execute_plugin, *(module, plugin, loading_data))
             except Exception as e:
                 logger.info(f"Malformed Plugin: Not loading -->: '{folder}' !")
                 logger.debug("Trace: ", traceback.print_exc())