Honey
66464291e1
Navidrome now-playing, clock, and weather for a Waveshare epd4in0e panel, with a local web UI and install/uninstall scripts for the Pi.
29 lines
985 B
Python
29 lines
985 B
Python
"""Base interface every screen implements."""
|
|
|
|
from abc import ABC, abstractmethod
|
|
from typing import Any
|
|
|
|
from PIL import Image
|
|
|
|
|
|
class Screen(ABC):
|
|
id: str
|
|
display_name: str
|
|
poll_interval: int = 60 # seconds between check() calls
|
|
|
|
@abstractmethod
|
|
def check(self, settings: dict) -> Any:
|
|
"""Cheap call (ideally a single small request) that returns whatever
|
|
state this screen needs to render. Returning None means "nothing to
|
|
show" (only meaningful for preemptive screens like Navidrome)."""
|
|
|
|
@abstractmethod
|
|
def render(self, state: Any, settings: dict, resolution: tuple[int, int]) -> Image.Image:
|
|
"""Full draw. Only called when this screen is actually about to be
|
|
shown, so it's fine for this to be more expensive than check()."""
|
|
|
|
def default_settings(self) -> dict:
|
|
"""Settings this screen needs, with defaults, merged under config.json's
|
|
settings[self.id] on first run."""
|
|
return {}
|