def scaled_dish(dish, factor):
return classes.Dish(
name=dish.name,
variants=dish.variants,
ingredients=[
classes.Ingredient(
name=ingredient.name, quantity=ingredient.quantity *
factor) if ingredient.quantity is not None else ingredient
for ingredient in dish.ingredients
])
def subtract_from_shopping_list(shopping_list, sub, ingredient_types):
subd = classes.NameDict(sub)
for ingredient in shopping_list:
sub_ingredient = subd.get(ingredient.name, None)
if sub_ingredient is None:
yield ingredient
else:
# Copy
ing = classes.Ingredient(ingredient)
pu = to_purchase_unit(sub_ingredient, ingredient_types)
ing.quantity -= pu
if ing.quantity and ing.quantity.magnitude > 0:
yield ing
def loadIngredients(self):
global ingredient
files = os.listdir("ingredients/")
ingredientsList = []
for i in files:
archive = open("ingredients/" + i, "r")
data = archive.readlines()
ingredient = classes.Ingredient(
str(data[0]).strip(),
str(data[1]).strip(),
str(data[2]).strip(),
str(data[3]).strip(), eval(data[4]), eval(data[5]),
eval(data[6]))
ingredientsList.append(ingredient)
return ingredientsList
def saveIngredient(self, widget, data):
filename = string.translate(str(data[0]), None,
'\'"¡!·$%&/()=?¿*^-\áóéúíñÑ´¨çÇ`+"')
filename = string.replace(string.lower(filename), ' ', '_')
newfile = open("ingredients/" + filename + ".ing", 'w')
newfile.write(data[0] + "\n") # Name
newfile.write(str(data[1]) + "\n") # Type
newfile.write(str(data[2]) + "\n") # Group
newfile.write(str(data[3]) + "\n") # Measure
newfile.write(str(data[4]) + "\n") # Equivalents
newfile.write(str(data[5]) + "\n") # Packages
newfile.write(str(data[6]) + "\n") # Prices
newfile.close()
return classes.Ingredient(
str(data[0]).strip(),
str(data[1]).strip(),
str(data[2]).strip(),
str(data[3]).strip(), data[4], data[5], data[6])
def make_shopping_list(menu, ingredient_types):
shopping_list = classes.NameDict()
for menuitem in menu:
ingredients = zip(menuitem.dish.ingredients, itertools.repeat(1))
for variant, count in menuitem.variants.iteritems():
ingredients.extend(
zip(menuitem.dish.variants[variant], itertools.repeat(count)))
for ingredient, count in ingredients:
pu = to_purchase_unit(ingredient, ingredient_types)
if not pu is None:
pu *= count
entry = shopping_list.get(ingredient.name)
if entry:
if not pu is None:
entry.quantity += pu
entry.sources.append(menuitem)
else:
entry = classes.Ingredient(ingredient_types[ingredient.name])
entry.quantity = pu
entry.sources = [menuitem]
shopping_list.append(entry)
return shopping_list.values()