53 lines
1.2 KiB
Python
53 lines
1.2 KiB
Python
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import requests as r
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from dataclasses import dataclass
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from logging import getLogger
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logger = getLogger(__name__)
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class NotFound(Exception):
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pass
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class ParseError(Exception):
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pass
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@dataclass
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class Product:
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name: str
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kcal: float
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fat: float
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protein: float
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carb: float
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fiber: float
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def find(bar_code: str) -> Product:
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url = f"https://world.openfoodfacts.org/api/v2/product/{bar_code}.json"
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response = r.get(url)
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if response.status_code == 404:
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raise NotFound()
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try:
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data = response.json()
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name = data["product"]["product_name"]
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if data["product"]["brands"]:
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name = data["product"]["brands"] + " " + name
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return Product(
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name=name,
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kcal=data["product"]["nutriments"]["energy-kcal_100g"],
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fat=data["product"]["nutriments"]["fat_100g"],
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protein=data["product"]["nutriments"]["proteins_100g"],
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carb=data["product"]["nutriments"]["carbohydrates_100g"],
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fiber=data["product"]["nutriments"].get("fiber_100g", 0.0),
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)
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except Exception as e:
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logger.error(e)
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raise ParseError()
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