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pizza = baker.make('order.Pizza')
topping1 = baker.make('order.Topping')
topping2 = baker.make('order.Topping')
pizza.toppings.add(topping1)
pizza.toppings.add(topping2)

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pizza = Pizza.objects.create(name='Margarita')
topping1 = Topping.objects.create(description='Pizza sauce', price=1.5)
topping2 = Topping.objects.create(description='Mozzarella', price=1.65)
pizza.toppings.add(topping1)
pizza.toppings.add(topping2)

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[pytest]
DJANGO_SETTINGS_MODULE = pizza_app.test_settings
# -- recommended but optional:
python_files = tests.py test_*.py *_tests.py
addopts = --reuse-db --nomigrations

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import pytest

from order.models import Pizza, Topping


@pytest.mark.django_db
def test_pizza_price_with_toppings():
    # Preparation phase
    pizza = Pizza.objects.create(name='Margarita')
    topping1 = Topping.objects.create(description='Pizza sauce', price=1.5)

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class Pizza(models.Model):
    name = models.CharField(max_length=100)
    description = models.TextField(blank=True)
    toppings = models.ManyToManyField(Topping, related_name='pizzas')

    @property
    def total_price(self) -> Decimal:
        """
        Total price is sum of all topping prices.
        """

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    @property
    def total_price(self) -> Decimal:
        """
        Total price is sum of the following:
            - Pizza total price
            - Size price
            - Sum of toppings 
        """
        price = self.pizza.total_price + self.size.price
        for topping in self.extra_toppings.all():

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    @property
    def total_price(self) -> Decimal:
        """
        Total price is sum of pizza prices in this order.
        """
        price = Decimal(0)
        for pizza in self.pizzas.all():
            price += pizza.total_price

        return price

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    @property
    def total_price(self) -> Decimal:
        """
        Total price is sum of all topping prices.
        """
        price = Decimal(0)
        for topping in self.toppings.all():
            price += topping.price

        return price

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AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
        },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
        },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
        },

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import re

from django.core.exceptions import ValidationError
from django.utils.translation import ugettext as _


class NumberValidator(object):

    @staticmethod
    def validate(password, user=None):