Method safe_string_2

python/ccxt/base/exchange.py:839–852

(dictionary, key1, key2, default_value=None)

    @staticmethod
    def safe_string_2(dictionary, key1, key2, default_value=None):
        try:
            value = dictionary[key1]
            if value is not None and value != '':
                return str(value)
        except Exception:
            pass
        try:
            value = dictionary[key2]
            if value is not None and value != '':
                return str(value)
        except Exception:
            pass
        return default_value

    @staticmethod
    def safe_string_lower_2(dictionary, key1, key2, default_value=None):