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							- import importlib
 
- import logging
 
- def load_class(name: str):
 
-     """
 
-     load class by name
 
-     """
 
-     name_components = name.split(".")
 
-     if not name_components:
 
-         logging.error("Invalid class name: %s", name)
 
-         return
 
-     module_name = ".".join(name_components[:-1])
 
-     class_name = name_components[-1]
 
-     try:
 
-         module = importlib.import_module(module_name)
 
-         a_class = getattr(module, class_name)
 
-         logging.info("load class: %s", a_class)
 
-         return a_class
 
-     except ImportError:
 
-         logging.error("Module not found: %s", name)
 
-     except AttributeError:
 
-         logging.error("Class not found: %s", name)
 
 
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