python自动发送爬虫教程

import scrapyfrom scrapy.mail import MailSender

class MySpider(scrapy.Spider):    def process_item(self, item, spider):        # 处理提取的数据        return item

mailer = MailSender()mailer.smtphost = "smtp.example.com"mailer.smtpport = 25mailer.from_address = "scrapy@example.com"mailer.to_addresses = ["recipient@example.com"]

def send_mail(self, item):    subject = "New data from crawler"    body = str(item)    mailer.send(to_addresses, subject, body)

scrapy crawl my_spider -o items.json

import scrapyfrom scrapy.mail import MailSenderclass MySpider(scrapy.Spider):    name = "my_spider"    start_urls = ["http://example.com"]    def process_item(self, item, spider):        mailer = MailSender()        mailer.smtphost = "smtp.example.com"        mailer.smtpport = 25        mailer.from_address = "scrapy@example.com"        mailer.to_addresses = ["recipient@example.com"]        subject = "New data from crawler"        body = str(item)        mailer.send(to_addresses, subject, body)        return item