Spencer
0c2392b2b3
Pygame framebuffer clock for Le Potato (ARM Debian) with aiohttp webhook server. Renders 12-hour clock directly to /dev/fb0 (no X11/Wayland). Supports full-screen message overlays pushed via a browser dashboard or Bearer-token API. Includes first-run setup wizard, session-based dashboard auth, bcrypt password storage, per-IP rate limiting, and systemd service unit. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
import threading
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import time
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from dataclasses import dataclass, field
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@dataclass
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class MessageState:
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_text: str | None = field(default=None)
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_expires_at: float | None = field(default=None) # monotonic timestamp
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_lock: threading.Lock = field(default_factory=threading.Lock)
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def set(self, text: str, duration: float | None) -> None:
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"""Set message. duration=None means persistent (no expiry)."""
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with self._lock:
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self._text = text
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self._expires_at = time.monotonic() + duration if duration else None
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def clear(self) -> None:
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with self._lock:
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self._text = None
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self._expires_at = None
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def get(self) -> tuple[str | None, float | None]:
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"""Return (text, remaining_seconds). Both None if no active message."""
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with self._lock:
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if self._text is None:
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return None, None
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if self._expires_at is not None and time.monotonic() >= self._expires_at:
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self._text = None
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self._expires_at = None
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return None, None
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remaining: float | None = None
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if self._expires_at is not None:
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remaining = max(0.0, self._expires_at - time.monotonic())
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return self._text, remaining
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def to_dict(self) -> dict:
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text, remaining = self.get()
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return {
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"active": text is not None,
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"text": text,
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"remaining_seconds": round(remaining, 1) if remaining is not None else None,
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"persistent": text is not None and remaining is None,
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}
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