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https://github.com/hansjone/netx.git
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oliver
477ec4b120
Ship installable releases via zip/Inno Setup with optional bundled Postgres, API-hosted SPA, manual update path, and CI workflow for future tag builds. Co-authored-by: Cursor <cursoragent@cursor.com>
84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
"""Optional SPA hosting from a Vite build (web/dist)."""
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from __future__ import annotations
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import logging
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from pathlib import Path
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from fastapi import FastAPI
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from fastapi.responses import FileResponse
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from fastapi.staticfiles import StaticFiles
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from starlette.requests import Request
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from starlette.responses import Response
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from .config import settings
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_log = logging.getLogger("netx.ui")
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# Paths that must never fall through to index.html.
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_API_PREFIXES = (
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"/v1/",
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"/docs",
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"/redoc",
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"/openapi.json",
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"/metrics",
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"/health",
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)
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def resolve_ui_dist() -> Path | None:
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raw = str(getattr(settings, "ui_dist_dir", "") or "").strip()
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if not raw:
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return None
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p = Path(raw)
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if not p.is_absolute():
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p = Path(__file__).resolve().parents[1] / p
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index = p / "index.html"
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if index.is_file():
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return p
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return None
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def _is_api_or_infra(path: str) -> bool:
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p = path or "/"
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if p == "/health" or p.startswith("/health/"):
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return True
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if p in ("/metrics", "/metrics/json", "/openapi.json"):
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return True
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return any(p == pref.rstrip("/") or p.startswith(pref) for pref in _API_PREFIXES)
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def mount_ui_if_present(app: FastAPI) -> bool:
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"""Mount /assets + SPA fallback when ui_dist_dir has index.html. Returns True if mounted."""
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dist = resolve_ui_dist()
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if dist is None:
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return False
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assets = dist / "assets"
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if assets.is_dir():
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app.mount("/assets", StaticFiles(directory=str(assets)), name="ui_assets")
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index_path = dist / "index.html"
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@app.get("/")
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async def spa_root() -> FileResponse:
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return FileResponse(index_path)
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@app.api_route("/{full_path:path}", methods=["GET", "HEAD"], include_in_schema=False)
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async def spa_fallback(full_path: str, request: Request) -> Response:
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# Let API / infra 404s stay as API 404s (this route is last).
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path = "/" + (full_path or "").lstrip("/")
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if _is_api_or_infra(path):
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return Response(status_code=404, content=b'{"detail":"Not Found"}', media_type="application/json")
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# Prefer real files under dist (favicon, robots, etc.)
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candidate = dist / full_path
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try:
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candidate.resolve().relative_to(dist.resolve())
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except ValueError:
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return FileResponse(index_path)
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if candidate.is_file():
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return FileResponse(candidate)
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return FileResponse(index_path)
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_log.info("UI mounted from %s", dist)
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return True
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