104 lines
4.1 KiB
Python
104 lines
4.1 KiB
Python
from fastapi import FastAPI, File, Form, HTTPException, UploadFile
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from fastapi.responses import HTMLResponse, StreamingResponse
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from app.config import settings
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app = FastAPI(title="face-lock", version="0.1.0")
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@app.get("/health")
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def health():
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return {"ok": True, "env": settings.env}
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@app.get("/", response_class=HTMLResponse)
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def index():
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if settings.env != "dev":
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return HTMLResponse("<h1>face-lock</h1><p>Set ENV=dev for the UI.</p>")
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return HTMLResponse(
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"""
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<script src="https://cdn.tailwindcss.com"></script>
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<title>face-lock</title>
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</head>
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<body class="bg-slate-950 text-slate-100 min-h-screen">
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<main class="mx-auto max-w-5xl p-6">
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<div class="mb-6">
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<h1 class="text-3xl font-bold">face-lock</h1>
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<p class="text-slate-400">Drop an image, get the primary subject squared and cropped.</p>
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</div>
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<div class="grid gap-6 md:grid-cols-2">
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<section class="rounded-2xl border border-slate-800 bg-slate-900 p-4">
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<input id="file" type="file" accept="image/*" class="block w-full rounded-lg border border-slate-700 bg-slate-950 p-3" />
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<label class="mt-4 block text-sm text-slate-400">Buffer ratio</label>
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<input id="buffer_ratio" type="number" step="0.05" min="0" max="0.5" value="0.15" class="block w-full rounded-lg border border-slate-700 bg-slate-950 p-3" />
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<button id="go" class="mt-4 rounded-lg bg-cyan-500 px-4 py-2 font-semibold text-slate-950">Process</button>
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<pre id="meta" class="mt-4 whitespace-pre-wrap rounded-lg bg-slate-950 p-3 text-xs text-slate-300"></pre>
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</section>
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<section class="rounded-2xl border border-slate-800 bg-slate-900 p-4">
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<div class="mb-3 text-sm font-semibold text-slate-400">Result</div>
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<div class="grid gap-4">
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<div>
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<div class="mb-2 text-xs uppercase tracking-wide text-slate-500">Crop</div>
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<img id="crop" class="hidden w-full rounded-xl border border-slate-800" />
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</div>
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<div>
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<div class="mb-2 text-xs uppercase tracking-wide text-slate-500">Annotated source</div>
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<img id="annotated" class="hidden w-full rounded-xl border border-slate-800" />
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</div>
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</div>
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</section>
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</div>
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</main>
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<script>
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const file = document.getElementById('file');
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const go = document.getElementById('go');
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const crop = document.getElementById('crop');
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const annotated = document.getElementById('annotated');
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const meta = document.getElementById('meta');
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go.onclick = async () => {
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if (!file.files.length) return;
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const form = new FormData();
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form.append('file', file.files[0]);
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form.append('buffer_ratio', document.getElementById('buffer_ratio').value);
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meta.textContent = 'Working...';
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const resp = await fetch('/api/focus', { method: 'POST', body: form });
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const data = await resp.json();
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meta.textContent = JSON.stringify(data, null, 2);
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crop.src = data.crop_data_url;
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annotated.src = data.annotated_data_url;
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crop.classList.remove('hidden');
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annotated.classList.remove('hidden');
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};
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</script>
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</body>
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</html>
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"""
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)
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@app.post("/api/focus")
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async def focus(file: UploadFile = File(...), buffer_ratio: float = Form(0.15)):
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from app.vision import process_image
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try:
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payload = await file.read()
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return process_image(payload, file.filename or "upload", buffer_ratio=buffer_ratio)
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except ValueError as exc:
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raise HTTPException(status_code=400, detail=str(exc)) from exc
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@app.post("/api/focus/image")
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async def focus_image(file: UploadFile = File(...), buffer_ratio: float = Form(0.15)):
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from app.vision import process_image
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try:
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payload = await file.read()
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result = process_image(payload, file.filename or "upload", buffer_ratio=buffer_ratio)
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return StreamingResponse(result["crop_bytes_io"], media_type=result["mime_type"])
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except ValueError as exc:
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raise HTTPException(status_code=400, detail=str(exc)) from exc
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