from __future__ import annotations
from abc import ABCMeta, abstractmethod
from dataclasses import dataclass, field
from typing import Annotated, Any
from ..utils.enums import Unit
from ..utils.time import Time
from .interface import Interface
[docs]
@dataclass
class ExposureTimeState:
exposure_time: Annotated[float, Unit.SECONDS]
time: Time = field(default_factory=Time.now)
class IExposureTime(Interface, metaclass=ABCMeta):
"""The camera supports exposure times, to be used together with :class:`~pyobs.interfaces.ICamera`."""
__module__ = "pyobs.interfaces"
state = ExposureTimeState
[docs]
@abstractmethod
async def set_exposure_time(self, exposure_time: Annotated[float, Unit.SECONDS], **kwargs: Any) -> None:
"""Set the exposure time in seconds.
Args:
exposure_time: Exposure time in seconds.
Raises:
ValueError: If exposure time could not be set.
NotSupportedError: If this module doesn't support setting exposure time directly (e.g.
it's dictated by something else, like incoming science frames).
"""
...
__all__ = ["IExposureTime", "ExposureTimeState"]