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from datetime import timedelta
from typing import Optional, Union

from .supports_capabilities import SupportsCapabilities

NEW_COMMAND_TIMEOUT = 'newCommandTimeout'


class NewCommandTimeoutOption(SupportsCapabilities):
    @property
    def new_command_timeout(self) -> Optional[timedelta]:
        """
        The allowed time before seeing a new server command.
        """
        value = self.get_capability(NEW_COMMAND_TIMEOUT)
        return None if value is None else timedelta(seconds=value)

    @new_command_timeout.setter
    def new_command_timeout(self, value: Union[timedelta, int]) -> None:
        """
        Set the allowed time before seeing a new server command.
        The value could either be provided as timedelta instance or an integer number of seconds.
        """
        self.set_capability(NEW_COMMAND_TIMEOUT, value.total_seconds() if isinstance(value, timedelta) else value)