working on improving component loading

src/myfasthtml/core/utils.py

@@ -1,3 +1,4 @@
+import importlib
 import logging
 import re
 
@@ -317,6 +318,29 @@ def make_safe_id(s: str | None):
   res = re.sub('-', '_', make_html_id(s))  # replace '-' by '_'
   return res.lower()  # no uppercase
 
+
+def get_class(qualified_class_name: str):
+  """
+    Dynamically loads and returns a class type from its fully qualified name.
+    Note that the class is not instantiated.
+
+    :param qualified_class_name: Fully qualified name of the class (e.g., 'some.module.ClassName').
+    :return: The class object.
+    :raises ImportError: If the module cannot be imported.
+    :raises AttributeError: If the class cannot be resolved in the module.
+    """
+  module_name, class_name = qualified_class_name.rsplit(".", 1)
+  
+  try:
+    module = importlib.import_module(module_name)
+  except ModuleNotFoundError as e:
+    raise ImportError(f"Could not import module '{module_name}' for '{qualified_class_name}': {e}")
+  
+  if not hasattr(module, class_name):
+    raise AttributeError(f"Component '{class_name}' not found in '{module.__name__}'.")
+  
+  return getattr(module, class_name)
+
 @utils_rt(Routes.Commands)
 def post(session, c_id: str, client_response: dict = None):
   """