feat: Pass loader to on_package_loaded hooks

src/_griffe/extensions/base.py

@@ -21,6 +21,7 @@
     from _griffe.agents.inspector import Inspector
     from _griffe.agents.nodes.runtime import ObjectNode
     from _griffe.agents.visitor import Visitor
+    from _griffe.loader import GriffeLoader
     from _griffe.models import Attribute, Class, Function, Module, Object
 
 
@@ -234,11 +235,12 @@ def on_attribute_instance(
             **kwargs: For forward-compatibility.
         """
 
-    def on_package_loaded(self, *, pkg: Module, **kwargs: Any) -> None:
+    def on_package_loaded(self, *, pkg: Module, loader: GriffeLoader, **kwargs: Any) -> None:
         """Run when a package has been completely loaded.
 
         Parameters:
             pkg: The package (Module) instance.
+            loader: The loader currently in use.
             **kwargs: For forward-compatibility.
         """
 

src/_griffe/loader.py

@@ -165,7 +165,7 @@ def load(
                 top_module = self._inspect_module(top_module_name)
                 self.modules_collection.set_member(top_module.path, top_module)
                 obj = self.modules_collection.get_member(obj_path)
-                self.extensions.call("on_package_loaded", pkg=obj)
+                self.extensions.call("on_package_loaded", pkg=obj, loader=self)
                 return obj
 
             # We found paths, and use them to build our intermediate Package or NamespacePackage struct.
@@ -186,7 +186,7 @@ def load(
 
         # Package is loaded, we now retrieve the initially requested object and return it.
         obj = self.modules_collection.get_member(obj_path)
-        self.extensions.call("on_package_loaded", pkg=top_module)
+        self.extensions.call("on_package_loaded", pkg=top_module, loader=self)
         return obj
 
     def resolve_aliases(