# The Duration type.
Duration = datetime.timedelta

# There is a loss of precision when converting from Rust durations,
# which are accurate to the nanosecond,
# to Python durations, which are only accurate to the microsecond.
class {{ type_node.ffi_converter_name }}(_UniffiConverterRustBuffer):
    @staticmethod
    def read(buf):
        seconds = buf.read_u64()
        microseconds = buf.read_u32() / 1.0e3
        return datetime.timedelta(seconds=seconds, microseconds=microseconds)

    @staticmethod
    def check_lower(value):
        seconds = value.seconds + value.days * 24 * 3600
        if seconds < 0:
            raise ValueError("Invalid duration, must be non-negative")

    @staticmethod
    def write(value, buf):
        seconds = value.seconds + value.days * 24 * 3600
        nanoseconds = value.microseconds * 1000
        buf.write_i64(seconds)
        buf.write_u32(nanoseconds)