def GetKeyByPath(self, key_path):
key_path_upper = key_path.upper()<EOL>if key_path_upper.startswith(self._key_path_prefix_upper):<EOL><INDENT>relative_key_path = key_path[self._key_path_prefix_length:]<EOL><DEDENT>elif key_path.startswith(definitions.KEY_PATH_SEPARATOR):<EOL><INDENT>relative_key_path = key_path<EOL>key_path = '<STR_LIT>'.join([self._key_path_prefix, key_path])<EOL><DEDENT>else:<EOL><INDENT>return None<EOL><DEDENT>try:<EOL><INDENT>regf_key = self._regf_file.get_key_by_path(relative_key_path)<EOL><DEDENT>except IOError:<EOL><INDENT>regf_key = None<EOL><DEDENT>if not regf_key:<EOL><INDENT>return None<EOL><DEDENT>return REGFWinRegistryKey(regf_key, key_path=key_path)<EOL>
Retrieves the key for a specific path.

        Args:
          key_path (str): Windows Registry key path.

        Returns:
          WinRegistryKey: Registry key or None if not available.