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4255656089
- Remove background PyPI polling loop and WebSocket broadcast - Remove UpdateBanner from ThreadHeader (keep main page clean) - Add on-demand version check endpoint (GET /api/settings/version-check) - Add 'About' section in Settings > Overview with check-for-updates button - Design: no auto-fetch, user initiates check explicitly via button click
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
"""On-demand version checker for nanobot-ai releases.
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Checks PyPI for newer versions when explicitly requested (no background polling).
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"""
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from __future__ import annotations
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import logging
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import time
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from typing import Any
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import httpx
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from nanobot import __version__
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logger = logging.getLogger(__name__)
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_PYPI_URL = "https://pypi.org/pypi/nanobot-ai/json"
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_CACHE_TTL_S = 300 # 5 minutes cache to avoid hammering PyPI
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_cache: tuple[float, str | None] = (0.0, None)
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def check_for_update() -> dict[str, Any] | None:
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"""Check PyPI for a newer version. Returns update info dict or None if up-to-date.
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Uses a short cache to avoid repeated requests within the TTL window.
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This is a blocking call — invoke from a thread or background task.
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"""
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global _cache
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now = time.monotonic()
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cached_at, cached_val = _cache
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if now - cached_at < _CACHE_TTL_S and cached_val is not None:
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latest = cached_val
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else:
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try:
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resp = httpx.get(_PYPI_URL, timeout=5.0, follow_redirects=True)
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resp.raise_for_status()
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latest = resp.json().get("info", {}).get("version")
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except Exception:
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logger.debug("PyPI version check failed", exc_info=True)
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return None
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_cache = (now, latest)
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if not latest or latest == __version__:
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return None
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return {
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"currentVersion": __version__,
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"latestVersion": latest,
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"pypiUrl": "https://pypi.org/project/nanobot-ai/",
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}
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