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JiSuanKe.py
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JiSuanKe.py
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#!/usr/bin/python
#coding:utf-8
import urllib
import urllib2
import re
import MysqlHelper
class JiSuanKe:
def __init__(self, url):
self.url = url
def removeTab(self, str):
newstr = str.replace('\t','').replace('\n','').replace(' ','')
return newstr
def getCourceUrl(self, url):
try:
user_agent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:39.0) Gecko/20100101 Firefox/39.0"
headers = {'User-Agent':user_agent}
req = urllib2.Request(url,headers = headers)
page = urllib2.urlopen(req).read()
url_chapter = '<a href="(.*)" target="_blank">'
menu_list = re.findall(url_chapter,page)
return menu_list
except urllib2.URLError,e:
if hasattr(e, 'reason'):
print "Fail to connect url.Error:"
return None
def getPageInfo(self, pageurl):
try:
user_agent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:39.0) Gecko/20100101 Firefox/39.0"
headers = {'User-Agent':user_agent}
req = urllib2.Request(pageurl,headers = headers)
page = urllib2.urlopen(req).read()
return page
except urllib2.URLError,e:
if hasattr(e, 'reason'):
print "Fail to connect url.Error:"
return None
def getCourceTime(self, page):
pattern = re.compile(r'<small class="jsk-fr">(.*?)</small>',re.S)
courceTime = re.findall(pattern, page)
if courceTime:
return courceTime
else:
return None
def getCourceName(self, page):
pattern = re.compile(r'<h1>(.*?)</h1>',re.S)
courceName=re.findall(pattern, page)
if courceName:
return courceName
else:
return None
def getPeopleNum(self, page):
pattern = re.compile(r'<small>(.*?)</small>', re.S)
peopleNum = re.findall(pattern, page)
if peopleNum:
return peopleNum
else:
return None
def getInfo(self, page):
pattern = re.compile('<span class="chapter-index">(.*?)</span><span class="chapter-title">(.*?)</span>.*?<ul class="chapter-lessons">(.*?)</ul>',re.S)
courceInfo = re.findall(pattern, page)
if courceInfo:
return courceInfo
else:
return None
def getBrief_1(self, page):
pattern = re.compile(r'<div class="jsk-panel-bd syllabus">.*?>.*?>.*?>.*?>(.*?)</p>.*?>(.*?)</p>',re.S)
groups = re.search(pattern, page)
if groups == None:
return None
value = groups.group(0)
brief = re.findall(pattern, value)
if brief:
return brief
else:
return None
def getBrief(self, page):
pattern = re.compile(r'<div class="jsk-panel-bd syllabus">.*?>.*?>.*?>.*?>(.*?)</p>',re.S)
groups = re.search(pattern, page)
if groups == None:
return None
value = groups.group(0)
brief = re.findall(pattern, value)
#brief = re.findall(pattern, page)
if brief:
return brief
else:
return None
def getBrief_3(self, page):
pattern = re.compile(r'<div class="jsk-panel-bd syllabus">.*?>.*?>.*?>.*?>(.*?)</p>.*?>(.*?)</p>.*?>(.*?)</p>',re.S)
groups = re.search(pattern, page)
if groups == None:
return None
value = groups.group(0)
brief = re.findall(pattern, value)
#brief = re.findall(pattern, page)
if brief:
return brief
else:
return None
def getBrief_4(self, page):
pattern = re.compile(r'<div class="jsk-panel-bd syllabus">.*?>.*?>.*?><p>(.*?)</p>(.*?)</ul>',re.S)
groups = re.search(pattern, page)
if groups == None:
return None
value = groups.group(0)
brief = re.findall(pattern, value)
#brief = re.findall(pattern, page)
if brief:
return brief
else:
return None
def getBrief_5(self, page):
pattern = re.compile(r'<div class="jsk-panel-bd syllabus">.*?>.*?>.*?>(.*?)</p>',re.S)
groups = re.search(pattern, page)
if groups == None:
return None
value = groups.group(0)
brief = re.findall(pattern, value)
if brief:
return brief
else:
return None
def getClassInfo(self, page):
page = page.replace(r'<br>','')
infos = ''
flag = True
brief = self.getBrief_4(page)
if brief:
for info in brief:
infos = infos+info[0]
name = info[1]
pos = name.find('<p>')
pos_1 = name.find('<h3>')
pos_2 = name.find('</ul>')
if pos < 0 and pos_1 < 0:
infos = infos+info[0]
reg = re.compile(r'<li>(.*?)</li>')
li = re.findall(reg, name)
for com in li:
infos = infos + '\n' + com
return infos
infos = ''
brief = self.getBrief_3(page)
if brief:
for info in brief:
for name in info:
infos = infos+ name
pos = infos.find('<h3>')
pos_1 = infos.find('<p>')
pos_2 = infos.find('</ul>')
if pos < 0 and pos_1 < 0:
if pos_2 <0:
return infos
infos = ''
brief = self.getBrief_1(page)
if brief:
for info in brief:
for nn in info:
infos = infos+ nn
pos = infos.find('<h3>')
pos_1 = infos.find('<p>')
pos_2 = infos.find('</ul>')
if pos < 0 and pos_1 < 0:
return infos
infos = ''
brief = self.getBrief(page)
if brief:
value = brief[0]
pos = value.find('<h3>')
pos_1 = value.find('<p>')
pos_2 = value.find('</ul>')
if pos < 0 and pos_1 < 0:
if pos_2 < 0:
return brief[0]
infos = ''
brief = self.getBrief_5(page)
if brief:
value = brief[0]
pos = value.find('<h3>')
pos_1 = value.find('<p>')
pos_2 = value.find('</ul>')
if pos < 0 and pos_1 < 0:
if pos_2 < 0:
return brief[0]
return None
def getCourceInfo(self):
cource_url_list = self.getCourceUrl(self.url)
conn = MysqlHelper.connect()
cur = conn.cursor()
cur.execute('drop table if exists jisuanke')
cur.execute('create table jisuanke(id int(11) primary key auto_increment,title varchar(255),time varchar(255),learn_count varchar(255),short_desc text,outline text)')
sql = 'insert into jisuanke(title,time,learn_count,short_desc,outline) values(%s,%s,%s,%s,%s)'
#file = open("JiSuanke.txt","w+")
for pageurl in cource_url_list:
value = []
cource_url = "http:" + pageurl
page = self.getPageInfo(cource_url)
courceName = self.getCourceName(page)
title = self.removeTab(courceName[0])
value.append(title)
#file.write('\n'+'课程题目：' + title)
#print title
#print courceName[0]
courceTime = self.getCourceTime(page)
times = self.removeTab(courceTime[0])
value.append(times)
#file.write('\n'+'课程时长：' + times)
#print times
peopleNum = self.getPeopleNum(page)
value.append( peopleNum[0])
#file.write('\n'+'学习人数：' + peopleNum[0])
#print peopleNum[0]
#brief = self.getBrief(page)
#file.write('\n'+'课程介绍：'+ brief[0])
brief = self.getClassInfo(page)
value.append(brief)
#print brief
#file.write('\n' + '课程介绍：' + brief)
courseInfo= self.getInfo(page)
#file.write('\n'+'课程目录：')
str = ""
if courseInfo:
for item in courseInfo:
str= str + item[0] + ':' + item[1] + '\n'
#file.write('\n\t' + item[0] + '：' + item[1])
#print item[0]
#print item[1]
pattern = re.compile(r'<li>(.*?)</li>',re.S)
li = re.findall(pattern, item[2])
for info in li:
str = str + info
value.append(str)
MysqlHelper.insert_one(cur,sql,value)
MysqlHelper.finish(conn)
#file.write('\n\t\t' + info)
#print info
#file.write('\n')
#file.close()
if __name__ == "__main__":
baseUrl = "http://www.jisuanke.com/course"
jisuanke = JiSuanKe(baseUrl)
jisuanke.getCourceInfo()