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# -*- coding: utf-8 -*-
"""
Gardener Such-GUI -- schlanke Weboberfläche für menschliche Nutzer
===================================================================
Startet einen lokalen, read-only Webserver (reine Standardbibliothek,
keine externen Dependencies) und zeigt eine Suchseite über dem
FTS5-Suchkern von Gardener (find() mit Snippets, get(), status()).
python search_gui.py [--port 8765] [--no-browser]
gardener gui [--port 8765] [--no-browser]
Sicherheit/Privacy (SYSTEM-MANIFEST §3.1): Bind standardmäßig auf
127.0.0.1 (kein LAN-Zugriff), ausschließlich GET-Endpunkte, keinerlei
Schreibzugriffe auf gardener.db/user.db. Die Seite lädt keine externen
Ressourcen (offline-fähig).
Muster: BACH unified_search (Treffer-Snippets mit '>>>'/'<<<'-Markern,
die im Browser als <mark> hervorgehoben werden).
"""
import json
import os
import threading
import webbrowser
from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
from typing import Optional
from urllib.parse import parse_qs, urlparse
from gardener import Gardener
DEFAULT_PORT = int(os.environ.get("GARDENER_GUI_PORT", "8765"))
DEFAULT_HOST = "127.0.0.1"
# Bekannte Typen für den Filter (frei erweiterbar; alles andere bleibt
# über "alle Typen" erreichbar).
KNOWN_TYPES = [
"knowledge", "tool", "task", "memory", "lesson", "session",
"observed", "document", "config", "export",
]
INDEX_HTML = """<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Gardener Suche</title>
<style>
:root { --bg:#f6f7f9; --card:#ffffff; --ink:#1c1e21; --ink-faint:#6a737d;
--accent:#2e7d4f; --border:#d8dce1; }
* { box-sizing: border-box; }
body { margin:0; font-family: "Segoe UI", system-ui, sans-serif;
background:var(--bg); color:var(--ink); }
header { background:var(--card); border-bottom:1px solid var(--border);
padding:12px 20px; display:flex; align-items:baseline; gap:14px; }
header h1 { font-size:18px; margin:0; color:var(--accent); }
header .stats { font-size:12px; color:var(--ink-faint); }
main { max-width:980px; margin:20px auto; padding:0 16px; }
.searchbar { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:16px; }
.searchbar input[type=text] { flex:1 1 320px; padding:10px 12px;
font-size:15px; border:1px solid var(--border); border-radius:8px; }
.searchbar select, .searchbar button { padding:10px 12px; font-size:14px;
border:1px solid var(--border); border-radius:8px; background:var(--card); }
.searchbar button { background:var(--accent); color:#fff; cursor:pointer;
border-color:var(--accent); }
.hit { background:var(--card); border:1px solid var(--border);
border-radius:8px; padding:10px 14px; margin-bottom:8px; cursor:pointer; }
.hit:hover { border-color:var(--accent); }
.hit .title { font-weight:600; }
.badge { display:inline-block; font-size:11px; padding:1px 7px;
border-radius:10px; margin-right:6px; background:#e8eef5;
color:#37475a; }
.badge.src-user { background:#e3f1e7; color:#2e7d4f; }
.badge.src-system { background:#fdeeda; color:#9a6a1a; }
.snippet { font-size:13px; color:var(--ink-faint); margin-top:4px; }
.snippet mark { background:#fff1a8; padding:0 1px; }
.meta-line { font-size:11px; color:var(--ink-faint); margin-top:4px; }
#detail { background:var(--card); border:1px solid var(--border);
border-radius:8px; padding:14px 18px; margin-top:16px; display:none; }
#detail h2 { font-size:16px; margin:0 0 8px; }
#detail pre { white-space:pre-wrap; word-break:break-word; font-size:13px;
background:var(--bg); padding:10px; border-radius:6px; max-height:50vh;
overflow:auto; }
.empty { color:var(--ink-faint); font-size:14px; padding:12px 4px; }
</style>
</head>
<body>
<header>
<h1>Gardener Suche</h1>
<span class="stats" id="stats">lade Status …</span>
</header>
<main>
<div class="searchbar">
<input type="text" id="q" placeholder="Suchbegriff …" autocomplete="off" autofocus>
<select id="type"><option value="">alle Typen</option></select>
<select id="limit">
<option value="10">10</option>
<option value="20" selected>20</option>
<option value="50">50</option>
</select>
<button id="go">Suchen</button>
</div>
<div id="results"></div>
<div id="detail"></div>
</main>
<script>
const TYPES = __TYPES_JSON__;
function esc(s) {
return String(s == null ? "" : s)
.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">")
.replace(/"/g, """);
}
function renderSnippet(s) {
// Erst escapen, dann die FTS-Marker in <mark> umwandeln.
return esc(s)
.replace(/>>>/g, "<mark>")
.replace(/<<</g, "</mark>");
}
const typeSel = document.getElementById("type");
for (const t of TYPES) {
const o = document.createElement("option");
o.value = t; o.textContent = t;
typeSel.appendChild(o);
}
async function loadStatus() {
try {
const r = await fetch("/api/status");
const s = await r.json();
document.getElementById("stats").textContent =
"User-DB: " + s.user_entries + " · System-DB: " + s.system_entries + " Einträge";
} catch (e) {
document.getElementById("stats").textContent = "";
}
}
async function search() {
const q = document.getElementById("q").value.trim();
const params = new URLSearchParams({ q: q,
limit: document.getElementById("limit").value });
const ty = typeSel.value;
if (ty) params.set("type", ty);
const box = document.getElementById("results");
box.innerHTML = '<div class="empty">suche …</div>';
document.getElementById("detail").style.display = "none";
const r = await fetch("/api/search?" + params.toString());
const data = await r.json();
const hits = data.results || [];
if (!hits.length) {
box.innerHTML = '<div class="empty">Keine Ergebnisse.</div>';
return;
}
box.innerHTML = "";
for (const h of hits) {
const div = document.createElement("div");
div.className = "hit";
div.innerHTML =
'<span class="badge">' + esc(h.type) + '</span>' +
'<span class="badge src-' + esc(h.source || "user") + '">' + esc(h.source || "?") + '</span>' +
'<span class="title">' + esc(h.name) + '</span>' +
(h.snippet ? '<div class="snippet">' + renderSnippet(h.snippet) + '</div>' : '') +
'<div class="meta-line">' + esc(h.updated || "") +
(h.tags ? ' · ' + esc(h.tags) : '') + '</div>';
div.onclick = () => showDetail(h.name);
box.appendChild(div);
}
}
async function showDetail(name) {
const r = await fetch("/api/entry?name=" + encodeURIComponent(name));
const e = await r.json();
const d = document.getElementById("detail");
if (e.error) { d.style.display = "none"; return; }
d.innerHTML =
'<h2>' + esc(e.name) + '</h2>' +
'<div><span class="badge">' + esc(e.type) + '</span>' +
'<span class="badge src-' + esc(e.source || "user") + '">' + esc(e.source || "?") + '</span>' +
'<span class="meta-line">Tags: ' + esc(e.tags || "–") +
' · updated: ' + esc(e.updated || "") + '</span></div>' +
'<pre>' + esc(e.content || "") + '</pre>';
d.style.display = "block";
d.scrollIntoView({ behavior: "smooth", block: "nearest" });
}
document.getElementById("go").onclick = search;
document.getElementById("q").addEventListener("keydown", (ev) => {
if (ev.key === "Enter") search();
});
loadStatus();
</script>
</body>
</html>
"""
def _json_bytes(payload) -> bytes:
return json.dumps(payload, ensure_ascii=False).encode("utf-8")
class SearchGuiHandler(BaseHTTPRequestHandler):
"""Read-only HTTP-Handler für die Gardener Such-GUI."""
server_version = "GardenerSearchGUI/1.0"
@property
def gardener(self) -> Gardener:
return self.server.gardener # type: ignore[attr-defined]
# -- Hilfen --------------------------------------------------------
def _send(self, body: bytes, status: int = 200,
content_type: str = "application/json; charset=utf-8") -> None:
self.send_response(status)
self.send_header("Content-Type", content_type)
self.send_header("Content-Length", str(len(body)))
self.end_headers()
self.wfile.write(body)
def _send_json(self, payload, status: int = 200) -> None:
self._send(_json_bytes(payload), status=status)
def log_message(self, format, *args): # noqa: A002 - stdlib-Signatur
pass # still: keine Access-Logs auf stderr
# -- Routing (nur GET, read-only) ----------------------------------
def do_GET(self) -> None:
parsed = urlparse(self.path)
path = parsed.path.rstrip("/") or "/"
params = parse_qs(parsed.query)
if path == "/":
body = INDEX_HTML.replace(
"__TYPES_JSON__", json.dumps(KNOWN_TYPES)
).encode("utf-8")
self._send(body, content_type="text/html; charset=utf-8")
return
if path == "/api/search":
query = (params.get("q", [""])[0] or "").strip()
type_filter = (params.get("type", [""])[0] or "").strip() or None
try:
limit = int(params.get("limit", ["20"])[0])
limit = max(1, min(limit, 100))
except ValueError:
limit = 20
if not query:
self._send_json({"results": [], "query": query})
return
results = self.gardener.find(query, type=type_filter,
limit=limit, with_snippets=True)
self._send_json({"results": results, "query": query})
return
if path == "/api/entry":
name = (params.get("name", [""])[0] or "").strip()
if not name:
self._send_json({"error": "name fehlt"}, status=400)
return
entry = self.gardener.get(name)
if entry is None:
self._send_json({"error": f"nicht gefunden: {name}"}, status=404)
return
self._send_json(entry)
return
if path == "/api/status":
self._send_json(self.gardener.status())
return
self._send_json({"error": f"unbekannter Pfad: {path}"}, status=404)
def create_server(gardener: Optional[Gardener] = None,
host: str = DEFAULT_HOST,
port: int = DEFAULT_PORT) -> ThreadingHTTPServer:
"""Baut den GUI-Server (ohne ihn zu starten).
Args:
gardener: vorhandene Gardener-Instanz (Tests); None = Standard-DBs
host: Bind-Adresse (Default 127.0.0.1 -- kein LAN-Zugriff)
port: Port; 0 = freier Port (für Tests)
"""
server = ThreadingHTTPServer((host, port), SearchGuiHandler)
server.gardener = gardener or Gardener() # type: ignore[attr-defined]
server.daemon_threads = True
return server
def run(host: str = DEFAULT_HOST, port: int = DEFAULT_PORT,
open_browser: bool = True,
gardener: Optional[Gardener] = None) -> None:
"""Startet die Such-GUI (blockierend, Strg+C zum Beenden)."""
server = create_server(gardener=gardener, host=host, port=port)
url = f"http://{host}:{server.server_address[1]}/"
print(f" Gardener Such-GUI läuft: {url}")
print(" Read-only, nur lokal (127.0.0.1). Beenden mit Strg+C.")
if open_browser:
threading.Timer(0.5, lambda: webbrowser.open(url)).start()
try:
server.serve_forever()
except KeyboardInterrupt:
print("\n GUI beendet.")
finally:
server.server_close()
def main(argv=None) -> None:
"""Direkteinstieg: python search_gui.py [--port N] [--no-browser]."""
import sys
args = list(sys.argv[1:] if argv is None else argv)
port = DEFAULT_PORT
open_browser = True
i = 0
while i < len(args):
if args[i] == "--port" and i + 1 < len(args):
port = int(args[i + 1])
i += 2
elif args[i] == "--no-browser":
open_browser = False
i += 1
else:
print(f"Unbekannte Option: {args[i]}")
print("Nutzung: python search_gui.py [--port N] [--no-browser]")
return
run(port=port, open_browser=open_browser)
if __name__ == "__main__":
main()