def _assert_valid_setting_value(self, name, value):
if name == "max_key_fee":
currency = str(value["currency"]).upper()
if currency not in self._fixed_defaults['CURRENCIES'].keys():
raise InvalidCurrencyError(currency)
elif name == "download_directory":
directory = str(value)
if not os.path.exists(directory):
raise NoSuchDirectoryError(directory)
def _validate_currency(self, currency):
if currency not in self._fixed_defaults['CURRENCIES'].keys():
raise InvalidCurrencyError(currency)