python实现扫描论坛回帖,自动发附件(应对求种之类的)
python实现扫描论坛回帖,自动发附件(应对求种之类的)
背景:笔者因为需要在 www.kindle114.com 上分享一些图书,鉴于各种网盘神马的,都会把涉及版权的分享给失效了,总是换分享连接很麻烦,所以不得已只能通过邮件来传播知识,这就需要每天去看回帖的邮箱,一一发送,甚是麻烦。用一个python的脚本去扫描这些页面,把邮箱地址抓出来后自动发送才是懒人应该做的事情。
实现过程:
需要用crontab来实现每天定时执行这个脚本。
脚本一共分三部分:
1. 遍历指定帖子的所有回帖页,抓取Email格式的字符串,遇到某些情况就终止扫描
2. 比对过去发送过的列表,如果是新出现的则加入发送列表中
3. 将发送列表用python的email功能发送出去,并且带上附件
可以改进的地方:
1. 记录下每次扫描的终点,下次从这个位置扫描,避免重复扫描的浪费
2. 将URL和附件做成字典,可以灵活发送
3. 做成一个在线系统来维护这个数据和列表
注意点:
1. python的sendmail,发送列表要用list类型的
2. 如果是QQ邮箱,要把邮箱的独立密码去掉(我也不知道如果不去掉应该怎么去验证),否则会出现验证失败的错误
3. 可能有人会因为隐私原因,把邮箱地址写成怪怪的样子,那我就没辙了...
4 本文只是抛砖引玉,论坛形式千变万化,需要灵活修改脚本来实现网页抓取
5. 鉴于现在出版物粗糙的太多了,所以想先预览一下合情合理。如果觉得电子书或者视频有价值,请去电影院看电影或购买正版书籍,写这个短短文章都需要花费时间和精力,何况是写书和拍片,人家就是靠这个谋生。
复制代码
#!/usr/bin/python
import sys, urllib, re
from email.Header import Header
from email.MIMEText import MIMEText
from email.MIMEMultipart import MIMEMultipart
import smtplib, datetime
def sendMail(toWho,fromWho,bookName,text):
msg = MIMEMultipart()
## fill your BT torrent or eBook ...
att = MIMEText(open(bookName, 'rb').read(), 'base64', 'gb2312')
att["Content-Type"] = 'application/octet-stream'
att["Content-Disposition"] = 'attachment; filename="Redis_shejiyushixian.mobi"'
msg.attach(att)
msg['from'] = fromWho
msg['subject'] = Header(bookName + '(' + str(datetime.date.today()) + ')','gb2312')
msg.attach(MIMEText(text))
server = smtplib.SMTP('smtp.qq.com')
## fill your QQ number and password
server.login('1234567','xxxxxxxxxxxx')
error=server.sendmail(msg['from'],toWho,msg.as_string())
server.close
print error
dicSave = {}
for line in open("log"):
dicSave[line.rstrip()] = 1
dic = {}
preDic = {}
## grep Email format string
pattern = re.compile(r'[_.0-9a-z-]+@(?:[0-9a-z][0-9a-z-]+.)+[a-z]{2,3}\b')
## please enhance this script to mark stop page as next start page
for x in range(1,100):
## fill forum url which need scan
url="http://www.kindle114.com/thread-4567-%d-1.html" % x
print "%s" % url
wp = urllib.urlopen(url)
content = wp.read()
## get mail list
m = pattern.findall(content)
stopFlag = 1
for i in m:
## if page is duplicate means scan is wasting time and need stop
if i not in preDic:
stopFlag = 0
## only new mail address is needed to deliver
if i not in dicSave:
dic[i] = 1
if stopFlag == 1:
print "Scan Page Over %d\n" % x
break
preDic = m
mailList = []
## write deliver mail address to log to avoid duplicate deliver in next run
file_object = open("log", 'a+')
for k,v in dic.items():
print k
mailList.append(k)
file_object.write(k+"\n")
file_object.close()
if mailList:
print "Delivering...\n";
sendMail(mailList,'77167680@qq.com','Redis_shejiyushixian.mobi','What are you interested in ?')
print "Deliver is completed...\n";
else:
print "Mail List is empty\n";
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