

"""simple docstring"""




import importlib
import os
import sys


# This is required to make the module import works (when the python process is running from the root of the repo)
sys.path.append('.')
def   lowerCAmelCase						(					__UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  Union[str, Any]					   =					test_file.split(os.path.sep      )
 if components[0:2] != ["tests", "models"]:
  raise ValueError(
      """`test_file` should start with `tests/models/` (with `/` being the OS specific path separator). Got """
      F"{test_file} instead."      )
 UpperCAmelCase__					:  Dict					   =					components[-1]
 if not test_fn.endswith("""py"""      ):
  raise ValueError(F"`test_file` should be a python file. Got {test_fn} instead."      )
 if not test_fn.startswith("""test_modeling_"""      ):
  raise ValueError(
      F"`test_file` should point to a file name of the form `test_modeling_*.py`. Got {test_fn} instead."      )

 UpperCAmelCase__					:  int					   =					components[:-1] + [test_fn.replace(""".py"""							,    """"""      )]
 UpperCAmelCase__					:  Tuple					   =					""".""".join(lowercase_      )

 return test_module_path
def   lowerCAmelCase						(					__UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  Optional[Any]					   =					get_module_path(lowercase_      )
 UpperCAmelCase__					:  int					   =					importlib.import_module(lowercase_      )

 return test_module
def   lowerCAmelCase						(					__UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  List[Any]					   =					[]
 UpperCAmelCase__					:  List[str]					   =					get_test_module(lowercase_      )
 for attr in dir(lowercase_      ):
  if attr.endswith("""ModelTester"""      ):
   tester_classes.append(getattr(lowercase_							,    lowercase_      )      )

    # sort with class names
 return sorted(lowercase_							,    key=lambda __UpperCamelCase      : x.__name__      )
def   lowerCAmelCase						(					__UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  List[str]					   =					[]
 UpperCAmelCase__					:  Tuple					   =					get_test_module(lowercase_      )
 for attr in dir(lowercase_      ):
  UpperCAmelCase__					:  List[str]					   =					getattr(lowercase_							,    lowercase_      )
  # (TF/Flax)ModelTesterMixin is also an attribute in specific model test module. Let's exclude them by checking
  # `all_model_classes` is not empty (which also excludes other special classes).
  UpperCAmelCase__					:  List[Any]					   =					getattr(lowercase_							,    """all_model_classes"""							,    []      )
  if len(lowercase_      ) > 0:
   test_classes.append(lowercase_      )

    # sort with class names
 return sorted(lowercase_							,    key=lambda __UpperCamelCase      : x.__name__      )
def   lowerCAmelCase						(					__UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  List[str]					   =					get_test_classes(lowercase_      )
 UpperCAmelCase__					:  Optional[Any]					   =					set()
 for test_class in test_classes:
  model_classes.update(test_class.all_model_classes      )

 # sort with class names
 return sorted(lowercase_							,    key=lambda __UpperCamelCase      : x.__name__      )
def   lowerCAmelCase						(					__UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  Any					   =					test_class()
 if hasattr(lowercase_							,    """setUp"""      ):
  test.setUp()

 UpperCAmelCase__					:  Any					   =					None
 if hasattr(lowercase_							,    """model_tester"""      ):
  # `(TF/Flax)ModelTesterMixin` has this attribute default to `None`. Let's skip this case.
  if test.model_tester is not None:
   UpperCAmelCase__					:  Tuple					   =					test.model_tester.__class__

 return model_tester
def   lowerCAmelCase						(					__UpperCamelCase							,    __UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  Any					   =					get_test_classes(lowercase_      )

 UpperCAmelCase__					:  Optional[Any]					   =					[]
 for test_class in test_classes:
  if model_class in test_class.all_model_classes:
   target_test_classes.append(lowercase_      )

    # sort with class names
 return sorted(lowercase_							,    key=lambda __UpperCamelCase      : x.__name__      )
def   lowerCAmelCase						(					__UpperCamelCase							,    __UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  Dict					   =					get_test_classes_for_model(lowercase_							,    lowercase_      )

 UpperCAmelCase__					:  Optional[Any]					   =					[]
 for test_class in test_classes:
  UpperCAmelCase__					:  Union[str, Any]					   =					get_model_tester_from_test_class(lowercase_      )
  if tester_class is not None:
   tester_classes.append(lowercase_      )

    # sort with class names
 return sorted(lowercase_							,    key=lambda __UpperCamelCase      : x.__name__      )
def   lowerCAmelCase						(					__UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  Optional[int]					   =					get_test_classes(lowercase_      )
 UpperCAmelCase__					:  Tuple					   =					{test_class: get_model_tester_from_test_class(lowercase_      ) for test_class in test_classes}
 return test_tester_mapping
def   lowerCAmelCase						(					__UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  Union[str, Any]					   =					get_model_classes(lowercase_      )
 UpperCAmelCase__					:  List[str]					   =					{
     model_class: get_test_classes_for_model(lowercase_							,    lowercase_      ) for model_class in model_classes
 }
 return model_test_mapping
def   lowerCAmelCase						(					__UpperCamelCase      ):
 '''simple docstring'''





 UpperCAmelCase__					:  Optional[int]					   =					get_model_classes(lowercase_      )
 UpperCAmelCase__					:  Optional[Any]					   =					{
     model_class: get_tester_classes_for_model(lowercase_							,    lowercase_      ) for model_class in model_classes
 }
 return model_to_tester_mapping




def   lowerCAmelCase						(					__UpperCamelCase      ):
 '''simple docstring'''





 if isinstance(lowercase_							,    lowercase_      ):
  return o
 elif isinstance(lowercase_							,    lowercase_      ):
  return o.__name__
 elif isinstance(lowercase_							,    (list, tuple)      ):
  return [to_json(lowercase_      ) for x in o]
 elif isinstance(lowercase_							,    lowercase_      ):
  return {to_json(lowercase_      ): to_json(lowercase_      ) for k, v in o.items()}
 else:
  return o








"""simple docstring"""




def   lowerCAmelCase						(					__UpperCamelCase = 1000      ):
 '''simple docstring'''





 return sum(2 * a * ((a - 1) // 2) for a in range(3							,    n + 1      )      )


if __name__ == "__main__":
      print(solution())





