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 RaDecOffsetState:
ra: Annotated[float, Unit.DEGREES]
dec: Annotated[float, Unit.DEGREES]
time: Time = field(default_factory=Time.now)
class IOffsetsRaDec(Interface, metaclass=ABCMeta):
"""The module supports RA/Dec offsets, usually combined with :class:`~pyobs.interfaces.ITelescope` and
:class:`~pyobs.interfaces.IPointingRaDec`."""
__module__ = "pyobs.interfaces"
state = RaDecOffsetState
[docs]
@abstractmethod
async def set_offsets_radec(
self, dra: Annotated[float, Unit.DEGREES], ddec: Annotated[float, Unit.DEGREES], **kwargs: Any
) -> None:
"""Move an RA/Dec offset.
Args:
dra: RA offset in degrees.
ddec: Dec offset in degrees.
Raises:
MoveError: If telescope cannot be moved.
"""
...
__all__ = ["IOffsetsRaDec", "RaDecOffsetState"]