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recipe.py
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recipe.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Wed Feb 3 21:56:51 2021
@author: giuseppeperonato
"""
import csv
import json
class Recipe():
def __init__(self, name):
self.name = name
self.ingredients = {}
self.content = {}
self.cooking_steps = []
self.db = []
self.energy_ef= []
self.intake= []
self.total_content = {}
with open('data/food/data.csv') as csvfile:
reader = csv.DictReader(csvfile)
for row in reader:
self.db.append(row)
with open('data/energy/data.csv') as csvfile:
reader = csv.DictReader(csvfile)
for row in reader:
self.energy_ef.append(row)
with open('data/food/intake/data.json', "r") as f:
self.intake = json.loads(f.read())
def addIngredient(self,name,quantity):
self.ingredients[name] = {"quantity": quantity}
def removeIngredient(self,name):
del self.ingredients[name]
def addIngredients(self,ingredients):
for ingredient in ingredients:
self.addIngredient(ingredient[0],ingredient[1])
def addCookingStep(self,energy_source,duration,power):
self.cooking_steps.append({"duration": duration,
"energy_source": energy_source,
"power": power})
def cook(self):
for step in self.cooking_steps:
energy = step["duration"]/60. * step["power"]
print(self.find_EF(step["energy_source"]))
step["CO2e"] = energy * self.find_EF(step["energy_source"])
self.total_content["Carbon footprint"]["value"] += step["CO2e"]
self.compare()
def mise_en_place(self):
self.weight = 0
keys_to_skip = []
# Populate content
for name in self.ingredients.keys():
self.content[name] = {}
entries = self.add_values(name)
for key, value in entries.items():
if key == "Carbon footprint (kgCO2e/kg)":
self.content[name]["Carbon footprint (gCO2e/g)"] = value * self.ingredients[name]["quantity"]
else:
if value != None:
self.content[name][key] = value * (self.ingredients[name]["quantity"]/100.)
else:
keys_to_skip.append(key)
self.weight += self.ingredients[name]["quantity"]
# Populate total content
for ingredient in self.content.keys():
for key, value in self.content[ingredient].items():
if key not in keys_to_skip:
key_no_unit = key.split(" (")[0]
if not key_no_unit in self.total_content.keys():
self.total_content[key_no_unit] = {"value": 0,
"unit":key.split(" (")[1].split("/")[0]}
self.total_content[key_no_unit]["value"] += self.content[name][key]
print("Skipping", set(keys_to_skip))
self.compare()
def add_values(self,name):
entries = {}
for entry in self.db:
if entry["LCI Name"] == name:
for key, value in entry.items():
try:
entries[key] = float(value)
except:
entries[key] = None
return entries
def find_EF(self,energy):
for entry in self.energy_ef:
if entry["Name_Location"] == energy:
return float(entry["EF"])
def compare(self,meal="Hamburger, from fast foods restaurant",quantity=220):
reference = self.add_values(meal)
del reference["LCI Name"]
print(self.total_content.keys() )
for key, value in reference.items():
name = key.split(" (")[0]
comparison = ""
recommended = ""
if name in self.total_content.keys() and value > 0:
if key == "Carbon footprint (kgCO2e/kg)":
comparison = round(self.total_content[name]["value"] / (value*(quantity))*100,2)
else:
comparison = round(self.total_content[name]["value"] / (value*(quantity/100.)) * 100,2)
recommended = round(self.total_content[name]["value"]/self.intake[name]["value"] * 100,2)
self.total_content[name]["benchmark"] = {"name":meal,"weight (g)": quantity, "value": comparison}
self.total_content[name]["recommended"] = recommended
my_recipe = Recipe("Pasta broccoli e aggiughe")
my_recipe.addIngredient("Dried pasta, wholemeal, raw", 100)
my_recipe.addIngredient("Olive oil, extra virgin", 2)
my_recipe.addIngredient("Anchovy, in salt (semi-preserved)", 15)
my_recipe.addIngredient("Romanesco cauliflower or romanesco broccoli, raw", 200)
my_recipe.addIngredients([("Dried pasta, wholemeal, raw", 100),
("Olive oil, extra virgin", 2),
("Anchovy, in salt (semi-preserved)", 12),
("Romanesco cauliflower or romanesco broccoli, raw", 250)])
my_recipe.mise_en_place()
print(my_recipe.name)
print(my_recipe.ingredients)
print(my_recipe.content)
print("Weight",my_recipe.weight,"g")
print(my_recipe.total_content)
my_recipe.addCookingStep("Electricity 2021 - use : residential cooking - France continentale", 15, 2500)
print(my_recipe.cooking_steps)
print(my_recipe.total_content)
my_recipe.cook()
my_recipe2 = Recipe("Tagliatelle al ragù")
my_recipe2.addIngredients([("Dried egg pasta, raw", 100),
("Olive oil, extra virgin", 2),
("Beef, minced steak, 20% fat, cooked", 75),
("Carrot, raw", 12),
("Celery stalk, raw", 12),
("Onion, raw", 12),
("Tomato coulis, canned (tomato puree semi-reduced 11%)", 75)])
my_recipe2.mise_en_place()
print(my_recipe2.name)
print(my_recipe2.ingredients)
print("Weight",my_recipe2.weight,"g")
print(my_recipe2.total_content)
print("")