yield 在爬虫中的应用-简单例子

# -*- encoding: utf-8 -*-

import faker
fake = faker.Faker(locale='zh_CN')


def mian():
    for i in range(50000):
        item = {}
        item['num'] = i
        yield item

def mian2():
    for item in mian():
        item["name"] = fake.name()
        yield item

def mian3():
    for i in mian2():
        print(i)


if __name__ == '__main__':
    mian3()