email

• 邮件
• 发邮件

from email.mime.text import MIMEText
from smtplib import SMTP
from email.header import Header
from email.utils import formataddr

if __name__ == '__main__':
    # 构建邮件
    msg = MIMEText('就是一个测试', 'plain', 'utf-8')
    # 发件人
    msg['From'] = formataddr((Header('学习','utf-8').encode(), '12345678910@qq.com'))
    # 收件人
    msg['To'] = formataddr((Header('朋友','utf-8').encode(), '12345678@163.com'))
    # 邮件主题
    msg['Subject'] = Header('圣诞快乐', 'utf-8')

    # 发邮件
    smtp = SMTP()
    smtp.connect('smtp.qq.com', 25)
    # 打开调试
    smtp.set_debuglevel(1)
    # 登录邮箱
    smtp.login('12345678910@qq.com', '授权密码')
    # 发送
    smtp.sendmail('12345678910@qq.com', ['123456@163.com'], msg.as_string())
    # 断开
    smtp.quit()

• 发邮件添加附件

from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.utils import formataddr
from email.header import Header
from smtplib import SMTP
from email.mime.base import MIMEBase
from email.encoders import encode_base64

if __name__ == '__main__':
    msg = MIMEMultipart()
    text = MIMEText('你好！\n不好意思有打扰您！涨工资的事您考虑的怎么样了....', 'plain', 'utf-8')
    msg.attach(text)
    msg['From'] = formataddr((Header('某人', 'utf-8').encode(), '12345678910@qq.com'))
    msg['To'] = formataddr((Header('领导', 'utf-8').encode(), '123456@163.com'))
    msg['Subject'] = Header('您在考虑一下', 'utf-8')

    # 添加附件图片
    with open('cool.gif', 'rb') as f:
        mime = MIMEBase('image', 'gif')
        mime.add_header('Content-Disposition', 'attachment', filename='cool.gif')
        # 加载图片
        mime.set_payload(f.read())
        # 指定编码格式
        encode_base64(mime)
        msg.attach(mime)


    # 发邮件
    smtp = SMTP('smtp.qq.com', 25)
    # 打开调试
    smtp.set_debuglevel(1)
    # 登录邮箱
    smtp.login('12345678919@qq.com', '授权密码')
    # 发送
    smtp.sendmail('12345678910@qq.com', ['123456@163.com'], msg.as_string())
    # 断开
    smtp.quit()

• 收邮件

from poplib import POP3

if __name__ == '__main__':
    pop = POP3('pop.163.com', 110)

    pop.set_debuglevel(1)

    # 连接成功欢迎字符串
    print(pop.getwelcome().decode())

    # 登录
    pop.user('123456@163.com')
    pop.pass_('python123456')

    # 邮件状态(总件数,总大小)
    print(pop.stat())

    # 获取每一封邮件索引和大小
    response, res, oct = pop.list()
    print(res)

    # 获取最后一封邮件
    response, context, oct = pop.retr(25)
    print(context)

    res = b'\r\n'.join(context)
    print(res.decode('utf-8'))

• nurl

　　网页读取

import urllib.request
import re


# 打开并读取url
url = urllib.request.urlopen('https://movie.douban.com/')
print(url)

# 读取数据
data = url.read().decode()
# print(data)

res = re.findall(r'<img src="(.*?)" alt="神探狗笨吉"', data)
print(res)

• re

　　正则：筛选出来目标

import re

s = 'a href"=https://Book.douban\.com" booktarget="_blank"\\ \ndata-moreurl-dict=">读书</a>'
# 编译规则
cmp = re.compile(r'.{3,8}?')
# 得到与规则匹配的结果对象
res = cmp.match(s)
print(res.group(), res.start(), res.end(), res.span())

# 从头
res = re.match(r'[a-z]*', s)
print(res)

# 匹配整个字符串 re.S 使得.包括'\n', re.M多行模式
res = re.findall(r'^[a-z](.+)>$', s, re.S)
print(res)

res = re.finditer(r'[a-z]{2}', s)
print(res)

res = re.findall(r'Book|book', s)
print(res)

p = re.compile(r'\W+')
res = p.split('This is a test, short       and    sweet, of split().')
print(res)