python闲鱼爬虫_Python 爬虫咸鱼版

#encoding=utf-8

import re

import requests

import urllib2

import datetime

import MySQLdb

from bs4 import BeautifulSoup

import sys

reload(sys)

sys.setdefaultencoding("utf-8")

class Splider(object):

def __init__(self):

print u'开始爬取内容...'

##用来获取网页源代码

def getsource(self,url):

headers = {'User-Agent':'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2652.0 Safari/537.36'}

req = urllib2.Request(url=url,headers=headers)

socket = urllib2.urlopen(req)

content = socket.read()

socket.close()

return content

##changepage用来生产不同页数的链接

def changepage(self,url,total_page):

now_page = int(re.search('page/(\d+)',url,re.S).group(1))

page_group = []

for i in range(now_page,total_page+1):

link = re.sub('page/(\d+)','page/%d' % i,url,re.S)

page_group.append(link)

return page_group

#获取字内容

def getchildrencon(self,child_url):

conobj = {}

content = self.getsource(child_url)

soup = BeautifulSoup(content, 'html.parser', from_encoding='utf-8')

content = soup.find('div',{'class':'c-article_content'})

img = re.findall('src="(.*?)"',str(content),re.S)

conobj['con'] = content.get_text()

conobj['img'] = (';').join(img)

return conobj

##获取内容

def getcontent(self,html_doc):

soup = BeautifulSoup(html_doc, 'html.parser', from_encoding='utf-8')

tag = soup.find_all('div',{'class':'promo-feed-headline'})

info = {}

i = 0

for link in tag:

info[i] = {}

title_desc = link.find('h3')

info[i]['title'] = title_desc.get_text()

post_date = link.find('div',{'class':'post-date'})

pos_d = post_date['data-date'][0:10]

info[i]['content_time'] = pos_d

info[i]['source'] = 'whowhatwear'

source_link = link.find('a',href=re.compile(r"section=fashion-trends"))

source_url = 'http://www.whowhatwear.com'+source_link['href']

info[i]['source_url'] = source_url

in_content = self.getsource(source_url)

in_soup = BeautifulSoup(in_content, 'html.parser', from_encoding='utf-8')

soup_content = in_soup.find('section',{'class':'widgets-list-content'})

info[i]['content'] = soup_content.get_text().strip('\n')

text_con = in_soup.find('section',{'class':'text'})

summary = text_con.get_text().strip('\n') if text_con.text != None else NULL

info[i]['summary'] = summary[0:200]+'...';

img_list = re.findall('src="(.*?)"',str(soup_content),re.S)

info[i]['imgs'] = (';').join(img_list)

info[i]['create_time'] = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")

i+=1

#print info

#exit()

return info

def saveinfo(self,content_info):

conn = MySQLdb.Connect(host='127.0.0.1',user='root',passwd='123456',port=3306,db='test',charset='utf8')

cursor = conn.cursor()

for each in content_info:

for k,v in each.items():

sql = "insert into t_fashion_spider2(`title`,`summary`,`content`,`content_time`,`imgs`,`source`,`source_url`,`create_time`) values ('%s','%s','%s','%s','%s','%s','%s','%s')" % (MySQLdb.escape_string(v['title']),MySQLdb.escape_string(v['summary']),MySQLdb.escape_string(v['content']),v['content_time'],v['imgs'],v['source'],v['source_url'],v['create_time'])

cursor.execute(sql)

conn.commit()

cursor.close()

conn.close()

if __name__ == '__main__':

classinfo = []

p_num = 5

url = 'http://www.whowhatwear.com/section/fashion-trends/page/1'

jikesplider = Splider()

all_links = jikesplider.changepage(url,p_num)

for link in all_links:

print u'正在处理页面：' + link

html = jikesplider.getsource(link)

info = jikesplider.getcontent(html)

classinfo.append(info)

jikesplider.saveinfo(classinfo)