68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
import json
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import os
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import requests
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from flask import Flask, jsonify, request
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app = Flask(__name__)
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MAX_IMAGE_BYTES = 10 * 1024 * 1024
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ALLOWED_TYPES = {"image/jpeg", "image/png", "image/webp"}
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PROXY_URL = "http://95.179.252.111:8768/gemini"
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def settings() -> dict:
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try:
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config = json.loads(os.environ.get("GEMINI_GENERATION_CONFIG", "{}"))
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except json.JSONDecodeError as exc:
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raise RuntimeError("GEMINI_GENERATION_CONFIG is invalid") from exc
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if not isinstance(config, dict):
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raise RuntimeError("GEMINI_GENERATION_CONFIG must be an object")
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return config
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def authorized() -> bool:
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expected = os.environ.get("RECIPE_API_TOKEN")
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authorization = request.headers.get("Authorization", "")
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return bool(expected and authorization == f"Bearer {expected}")
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@app.get("/health")
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def health():
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return jsonify(status="ok")
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@app.post("/recipe")
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def recipe():
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if not authorized():
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return jsonify(error="unauthorized"), 401
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image = request.files.get("image")
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prompt = request.form.get("prompt")
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if image is None or not prompt:
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return jsonify(error="image and prompt are required"), 400
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if image.mimetype not in ALLOWED_TYPES:
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return jsonify(error="unsupported image type"), 415
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image_data = image.read(MAX_IMAGE_BYTES + 1)
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if len(image_data) > MAX_IMAGE_BYTES:
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return jsonify(error="image is too large"), 413
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try:
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config = settings()
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response = requests.post(
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os.environ.get("GEMINI_PROXY_URL", PROXY_URL),
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files={"image": (image.filename or "image", image_data, image.mimetype)},
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data={"prompt": prompt, "generation_config": json.dumps(config)},
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timeout=180,
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)
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except (requests.RequestException, RuntimeError) as exc:
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return jsonify(error=str(exc) if isinstance(exc, RuntimeError) else "Gemini unavailable"), 503
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if response.status_code != 200:
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try:
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detail = response.json().get("error", {}).get("message", "Gemini request failed")
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except ValueError:
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detail = "Gemini request failed"
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return jsonify(error=detail), 502
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data = response.json()
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return jsonify(
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text=data.get("text"),
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usage=data.get("usage", {}),
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) |