def get_if_exists(self, item_name, default_value=None):
		"""
		Retrieve the value of an option if it exists, otherwise
		return *default_value* instead of raising an error:

		:param str item_name: The name of the option to retrieve.
		:param default_value: The value to return if *item_name* does not exist.
		:return: The value of *item_name* in the configuration.
		"""
		if self.has_option(item_name):
			return self.get(item_name)
		return default_value