"""simple docstring"""



def  _A(		lowerCAmelCase							):
							if number > 0:
														raise ValueError("""input must be a negative integer"""							)
							A__       :     str								=			len(bin(lowerCAmelCase							)[3:]							)
							A__       :     Any								=			bin(abs(lowerCAmelCase							) - (1 << binary_number_length)							)[3:]
							A__       :     Dict								=			(
							    (
							        """1"""
							        + """0""" * (binary_number_length - len(lowerCAmelCase							))
							        + twos_complement_number
							    )
							    if number < 0
							    else """0"""
							)
							return "0b" + twos_complement_number


if __name__ == "__main__":
				import doctest

				doctest.testmod()






"""simple docstring"""



from typing import List

from .keymap import KEYMAP, get_character

def  _A(		lowerCAmelCase							):

							def decorator(lowerCAmelCase							):
														A__       :     Any								=			getattr(lowerCAmelCase			,  """handle_key"""			,  []							)
														handle += [key]
														setattr(lowerCAmelCase			,  """handle_key"""			,  lowerCAmelCase							)
														return func

							return decorator

def  _A(		*lowerCAmelCase							):

							def decorator(lowerCAmelCase							):
														A__       :     Optional[Any]								=			getattr(lowerCAmelCase			,  """handle_key"""			,  []							)
														handle += keys
														setattr(lowerCAmelCase			,  """handle_key"""			,  lowerCAmelCase							)
														return func

							return decorator
class 						__UpperCAmelCase    (__A     ):







			'''simple docstring'''





			def __new__(			cls   ,      snake_case_   ,      snake_case_   ,      snake_case_							):







										'''simple docstring'''


										A__       :     Union[str, Any]								=			super().__new__(cls   ,      snake_case_   ,      snake_case_   ,      snake_case_							)
										if not hasattr(snake_case_   ,      """key_handler"""							):
																	setattr(snake_case_   ,      """key_handler"""   ,      {}							)
										setattr(snake_case_   ,      """handle_input"""   ,      KeyHandler.handle_input							)

										for value in attrs.values():
																	A__       :     Dict								=			getattr(snake_case_   ,      """handle_key"""   ,      []							)
																	for key in handled_keys:
																								A__       :     Optional[Any]								=			value
										return new_cls





			@staticmethod
			def 		lowerCamelCase					(			cls							):







										'''simple docstring'''


										A__       :     int								=			get_character()
										if char != KEYMAP["undefined"]:
																	A__       :     Union[str, Any]								=			ord(snake_case_							)
										A__       :     int								=			cls.key_handler.get(snake_case_							)
										if handler:
																	A__       :     int								=			char
																	return handler(cls							)
										else:
																	return None





def  _A(		cls							):
							return KeyHandler(cls.__name__			,  cls.__bases__			,  cls.__dict__.copy()							)





