def to_binary(value, encoding='utf-8'):
    """将 values 转为 bytes，默认编码 utf-8

    :param value: 待转换的值
    :param encoding: 编码
    """
    if not value:
        return b''
    if isinstance(value, six.binary_type):
        return value
    if isinstance(value, six.text_type):
        return value.encode(encoding)

    if six.PY3:
        return six.binary_type(str(value), encoding)  # For Python 3
    return six.binary_type(value)
def to_binary(value, encoding='utf-8'):
    """将 values 转为 bytes，默认编码 utf-8

    :param value: 待转换的值
    :param encoding: 编码
    """
    if not value:
        return b''
    if isinstance(value, six.binary_type):
        return value
    if isinstance(value, six.text_type):
        return value.encode(encoding)

    if six.PY3:
        return six.binary_type(str(value), encoding)  # For Python 3
    return six.binary_type(value)
def to_binary ( value , encoding = 'utf-8' ) : if not value : return b'' if isinstance ( value , six . binary_type ) : return value if isinstance ( value , six . text_type ) : return value . encode ( encoding ) if six . PY3 : return six . binary_type ( str ( value ) , encoding ) # For Python 3 return six . binary_type ( value )
将 values 转为 bytes，默认编码 utf-8

    :param value: 待转换的值
    :param encoding: 编码
将 values 转为 bytes，默认编码 utf - 8