from abc import ABCMeta, abstractmethod
from typing import Any
from .IMotion import IMotion
class IFocuser(IMotion, metaclass=ABCMeta):
"""The module is a focusing device."""
__module__ = "pyobs.interfaces"
[docs] @abstractmethod
async def set_focus(self, focus: float, **kwargs: Any) -> None:
"""Sets new focus.
Args:
focus: New focus value.
Raises:
MoveError: If telescope cannot be moved.
InterruptedError: If movement was aborted.
"""
...
[docs] @abstractmethod
async def set_focus_offset(self, offset: float, **kwargs: Any) -> None:
"""Sets focus offset.
Args:
offset: New focus offset.
Raises:
ValueError: If given value is invalid.
MoveError: If telescope cannot be moved.
"""
...
[docs] @abstractmethod
async def get_focus(self, **kwargs: Any) -> float:
"""Return current focus.
Returns:
Current focus.
"""
...
[docs] @abstractmethod
async def get_focus_offset(self, **kwargs: Any) -> float:
"""Return current focus offset.
Returns:
Current focus offset.
"""
...
__all__ = ["IFocuser"]