之前打算做个微信小程序的社区，所以写了爬虫去爬取微信小程序，后面发现做微信小程序没有前途，就把原来的项目废弃了做了现在的网站观点,不过代码放着也是放着，还不如公开让大家用，所以我把代码贴出来，有需要的复制了使用就是了。
#coding:utf-8
__author__ = ‘haoning‘
#!/usr/bin/env python
import time
import urllib2
import datetime
import requests
import json
import random
import sys
import platform
import uuid
reload(sys)
sys.setdefaultencoding( "utf-8" )
import re
import os
import MySQLdb as mdb
from bs4 import BeautifulSoup
DB_HOST = ‘127.0.0.1‘
DB_USER = ‘root‘
DB_PASS = ‘root‘
#init database
conn = mdb.connect(DB_HOST, DB_USER, DB_PASS, ‘pybbs-springboot‘, charset=‘utf8‘)
conn.autocommit(False)
curr = conn.cursor()
count=0
how_many=0
base_url=‘http://www.wechat-cloud.com‘
url=base_url+"/index.php?s=/home/article/ajax_get_list.html&category_id={category_id}&page={page}&size={size}"
user_agents = [
‘Mozilla/5.0 (Windows; U; Windows NT 5.1; it; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11‘,
‘Opera/9.25 (Windows NT 5.1; U; en)‘,
‘Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)‘,
‘Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.5 (like Gecko) (Kubuntu)‘,
‘Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.12) Gecko/20070731 Ubuntu/dapper-security Firefox/1.5.0.12‘,
‘Lynx/2.8.5rel.1 libwww-FM/2.14 SSL-MM/1.4.1 GNUTLS/1.2.9‘,
"Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.7 (KHTML, like Gecko) Ubuntu/11.04 Chromium/16.0.912.77 Chrome/16.0.912.77 Safari/535.7",
"Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:10.0) Gecko/20100101 Firefox/10.0 ",
]
def fake_header():
agent=random.choice(user_agents)
cookie=‘PHPSESSID=p5mokvec7ct1gqe9efcnth9d44; Hm_lvt_c364957e96174b029f292041f7d822b7=1487492811,1487556626; Hm_lpvt_c364957e96174b029f292041f7d822b7=1487564069‘
req_header = {
‘Accept‘:‘application/json, text/javascript, */*; q=0.01‘,
#‘Accept-Encoding‘:‘gzip, deflate, sdch‘,
‘Accept-Language‘:‘zh-CN,zh;q=0.8‘,
‘Cache-Control‘:‘max-age=0‘,
‘Connection‘:‘keep-alive‘,
‘Host‘:‘www.wechat-cloud.com‘,
#‘Cookie‘:cookie,
‘Referer‘:‘http://www.wechat-cloud.com/index.php?s=/home/index/index.html‘,
‘Upgrade-Insecure-Requests‘:‘1‘,
‘User-Agent‘:agent,
‘X-Requested-With‘:‘XMLHttpRequest‘,
}
return req_header
def gethtml(url):
try:
header=fake_header()
req = urllib2.Request(url,headers=header)
response = urllib2.urlopen(req, None,15)
html = response.read()
return html
except Exception as e:
print "e",e
return None
def get_img_data(url):
try:
#添加头信息，模仿浏览器抓取网页，对付返回403禁止访问的问题
req = urllib2.Request(url)
response = urllib2.urlopen(req, None,15)
dataimg = response.read()
return dataimg
except Exception as e:
print "image data",e
return None
def makeDateFolder(par,classify):
try:
if os.path.isdir(par):
newFolderName=par + ‘//‘ + str(classify)+ "//" +GetDateString()
if not os.path.isdir( newFolderName ):
os.makedirs( newFolderName )
return newFolderName
else:
return par
except Exception,e:
print "kk",e
return par
def map_folder(what):
return what
def GetDateString():
when=time.strftime(‘%Y-%m-%d‘,time.localtime(time.time()))
foldername = str(when)
return foldername
def get_extension(name):
where=name.rfind(‘.‘)
if where!=-1:
return name[where:len(name)]
return "#"
def download_img(url,what):
try:
#print url
extention=get_extension(url)
dataimg=get_img_data(url)
name=str(uuid.uuid1()).replace(‘-‘,‘‘)+"-www.weixinapphome.com"
#print "name",name
classfiy_folder=map_folder(what)
top="E://wxapp_store"
filename =makeDateFolder(top,classfiy_folder)+"//"+name+extention
try:
if not os.path.exists(filename):
file_object = open(filename,‘w+b‘)
file_object.write(dataimg)
file_object.close()
return classfiy_folder+"/"+GetDateString()+"/"+name+extention
else:
print "file exist"
return None
except IOError,e1:
print "e1=",e1
#pass
return None #如果没有下载下来就利用原来网站的链接
except Exception,e:
print "problem",e
pass
return None
def work():
page=0
global how_many
while 1:
try:
page=page+1
begin_url=url.format(category_id=0, page=page,size=12).encode(‘utf-8‘)
html=gethtml(begin_url)
if html is not None:
#print html
json_results=json.loads(html)
is_end=json_results[‘isEnd‘]
if str(is_end)=="True":
break
results=json_results[‘list‘]
for result in results:
href=result[‘href‘]
detail_url=base_url+href
#print detail_url
detail_html=gethtml(detail_url)
if detail_html is not None:
soup = BeautifulSoup(detail_html)
icon_url=base_url+soup.find(‘div‘,{‘class‘:‘icon fl‘}).find(‘img‘).get(‘src‘)
name=soup.find(‘div‘,{‘class‘:‘cont fl‘}).find(‘h2‘).text
classify=soup.find(‘div‘,{‘class‘:‘tab‘}).find(‘span‘).text
classify=str(classify).replace("分类: ","")
#print classify
barcode_path=base_url+soup.find(‘div‘,{‘id‘:‘install-code‘}).find(‘img‘).get(‘src‘)
view_num=soup.find(‘span‘,{‘class‘:‘views‘}).text
#view_num=filter(str.isalnum,str(view_num))
pic_path=base_url+soup.find(‘div‘,{‘class‘:‘img-box‘}).find(‘img‘).get(‘src‘)
temp = time.time()
x = time.localtime(float(temp))
acq_time = time.strftime("%Y-%m-%d %H:%M:%S",x) # get time now
curr.execute(‘select id from pybbs_wxapp_store where `from`=%s‘,(detail_url))
y= curr.fetchone()
if not y:
y1=download_img(icon_url,"icon")
y2=download_img(barcode_path,"barcode")
y3=download_img(pic_path,"pic")
if (y1 is not None) and (y2 is not None) and (y3 is not None):
name=name
author=None
classify=classify
describe=None
view_num=view_num
#print view_num
logo=y1
_from=detail_url
barcode=y2
acq_time=acq_time
hot_weight=-9999
pic_uuid=str(uuid.uuid1()).replace(‘-‘,‘‘)
pic_path=y3
#print name,author,classify,describe,view_num,logo,_from,barcode,acq_time,hot_weight,pic_uuid
curr.execute(‘INSERT INTO pybbs_wxapp_store(name,author,classify,`describe`,view_num,logo,`from`,barcode,acq_time,hot_weight,pic_path)VALUES(%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)‘,(name,author,classify,describe,view_num,logo,_from,barcode,acq_time,hot_weight,pic_path))
curr.execute(‘select id from pybbs_wxapp_classify where `classify_name`=%s‘,(classify))
yx= curr.fetchone()
if not yx:
describe=None
temp = time.time()
x = time.localtime(float(temp))
record_time = time.strftime("%Y-%m-%d %H:%M:%S",x) # get time now
curr.execute(‘INSERT INTO pybbs_wxapp_classify(classify_name,`describe`,record_time)VALUES(%s,%s,%s)‘,(classify,describe,record_time))
how_many+=1
print "new comer:",pic_uuid,">>",how_many
if how_many % 10==0:
conn.commit()
conn.commit()
except Exception as e:
print "while error",e
if __name__ == ‘__main__‘:
i=3
while i>0:
work()
i=i-1其中有些参数请改成自己的，比如说数据库密码了，图片存储到哪个盘，数据库表格自己建立，因为这些实在太简单了，所以没啥可以唠叨的。
