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class Building:
    # do not use magic words
    PLACE_OUT_OF_STOCK = 'Out of Stock'
    PLACE_REMOTE_WAREHOUSE = 'Remove Warehouse'

    # it's just an optimization
    __slots__ = ['_material', '_color', '_number', '_store_place', '_original_place']
    
    # lets make everything private
    def __init__(self, material: str, color: str, store_place: str, number: int=0):

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import sys
import re
from collections import defaultdict

try:
    testing_string = sys.argv[1]
except IndexError:
    exit(1)

print('Initial String: ', testing_string)

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import time
import json
import orjson
import rapidjson

m = {
    "timestamp": 1556283673.1523004,
    "task_uuid": "0ed1a1c3-050c-4fb9-9426-a7e72d0acfc7",
    "task_level": [1, 2, 1],
    "action_status": "started",

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#!/usr/bin/env python3

import asyncio
import ssl


@asyncio.coroutine
async def echo_client(data, loop):
    ssl_ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
    ssl_ctx.options |= ssl.OP_NO_TLSv1

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Customize Save In Django Admin Inline Form

Background

This is a common case in django ORM.

from django.db import models

class Author(models.Model):

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from rest_framework.test import APITestCase
from rest_framework import status
from django.core.urlresolvers import reverse
from core.tests.creator_mixin import TestSuitesCreatorMixin
from ..models import ContractChangesRecord
from profilesmanagement.constants import SUBSCRIPTION_LEVEL_CHOICES
import logging


logger = logging.getLogger(__name__)

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import datetime
from django.conf import settings
from django.apps import apps
from django.test import TestCase, mock
from django.core.urlresolvers import reverse
import random
from rest_framework.test import APIRequestFactory
from ..serializers import AccountStatusesSerializer, CreateAccountSerializer, UpdateAccountSerializer,\
    RetrieveAccountSerializer
from ..constants import STATUS_CHOICES

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from django.test import TestCase, mock
from django.conf import settings
from django.apps import apps
import datetime
from ..constants import STATUS_CHOICES


class AccountModelTestCase(TestCase):
    TEST_USERNAME = 'test_user'
    TEST_EMAIL = 'test_user@itoucan.com'

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class Private:
    __number = 1
    # def __add__(self, other):
        
    def __say(self):
        print('private say')
    def say(self):
        print('public say')
        self.__say()
    def _say(self):

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class Building:

    __matherial = None
    __color = None
    __quantity = 0

    def __init__(self, matherial, color, number = 0):
        self.__matherial = matherial
        self.__color = color
        self.__quantity = number