70 lines
3.1 KiB
Python
70 lines
3.1 KiB
Python
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"""Sample company data API for the day 67 labs (Python standard library only).
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GET /health -> {"status": "ok"}
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GET /faq?q=<question> -> {"query": ..., "results": [FAQ entries]}
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GET /tickets/<id> -> ticket record, or 404 {"error": "ticket not found"}
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GET /tickets/<id>?requester=<name>
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-> same, but 403 {"error": "not your ticket"} when the ticket belongs to someone else
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"""
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import json
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import os
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from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
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from pathlib import Path
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from urllib.parse import parse_qs, unquote, urlparse
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DATA_DIR = Path(os.getenv("DATA_DIR", Path(__file__).resolve().parent / "data"))
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PORT = int(os.getenv("PORT", "8800"))
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def load(name):
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return json.loads((DATA_DIR / name).read_text(encoding="utf-8"))
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def search_faq(query, top_k=2):
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words = {word for word in query.lower().split() if len(word) > 1}
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scored = []
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for item in load("faq.json"):
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keywords = {keyword.lower() for keyword in item["keywords"]}
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score = sum(1 for word in words if any(keyword in word or word in keyword for keyword in keywords))
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if score:
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scored.append({"score": score, **item})
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scored.sort(key=lambda item: item["score"], reverse=True)
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return scored[:top_k]
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class Handler(BaseHTTPRequestHandler):
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def send_json(self, status, body):
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data = json.dumps(body, ensure_ascii=False).encode("utf-8")
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self.send_response(status)
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self.send_header("Content-Type", "application/json; charset=utf-8")
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self.send_header("Content-Length", str(len(data)))
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self.end_headers()
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self.wfile.write(data)
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def do_GET(self):
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# Raw UTF-8 in the request line arrives as latin-1 text; percent-encoded paths are unchanged.
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url = urlparse(self.path.encode("latin-1").decode("utf-8", errors="replace"))
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if url.path == "/health":
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return self.send_json(200, {"status": "ok"})
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if url.path == "/faq":
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query = parse_qs(url.query).get("q", [""])[0]
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return self.send_json(200, {"query": query, "results": search_faq(query)})
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if url.path.startswith("/tickets/"):
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ticket_id = unquote(url.path.removeprefix("/tickets/")).strip().upper()
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ticket = load("tickets.json").get(ticket_id)
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if ticket is None:
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return self.send_json(404, {"error": "ticket not found", "ticket_id": ticket_id})
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requester = parse_qs(url.query).get("requester", [None])[0]
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if requester is not None and requester.strip() != ticket["requester"]:
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return self.send_json(403, {"error": "not your ticket", "ticket_id": ticket_id})
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return self.send_json(200, {"ticket_id": ticket_id, **ticket})
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return self.send_json(404, {"error": "unknown path"})
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def log_message(self, fmt, *args):
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print(f"{self.address_string()} {fmt % args}", flush=True)
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if __name__ == "__main__":
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print(f"data-api listening on :{PORT} (data: {DATA_DIR})", flush=True)
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ThreadingHTTPServer(("0.0.0.0", PORT), Handler).serve_forever()
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