python 网站title

# -*- coding: utf-8 -*-
import sys
reload(sys)
sys.setdefaultencoding('utf-8')

import re
import urllib2
import urllib
import time
from urlparse import *



def get_title_from_uri(uri):
    import mechanize
    import cookielib

    br = mechanize.Browser()
    br.set_cookiejar(cookielib.LWPCookieJar()) # Cookie jar

    br.set_handle_equiv(True) # Browser Option
    br.set_handle_gzip(True)
    br.set_handle_redirect(True)
    br.set_handle_referer(True)
    br.set_handle_refresh(True)
    br.set_handle_robots(False)

    br.set_handle_refresh(mechanize._http.HTTPRefreshProcessor(), max_time=1)

    br.addheaders = [('User-agent', 'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.1) Gecko/2008071615 Fedora/3.0.1-1.fc9 Firefox/3.0.1')]
    print br.open(uri)
    print br.title()
    #return br.title()

#get_title_from_uri('http://www.example.gov.cn')

import urllib2
from BeautifulSoup import BeautifulSoup  
def bs_title(url):
    """"""
    try:
    
        html = urllib2.urlopen(url).read()
        soup = BeautifulSoup(html)  
        #encoding = str(chardet.detect(html)['encoding'])
    
        #if encoding == 'GB2312':
            #soup = BeautifulSoup(html,fromEncoding="GB18030")  
    
        #else:
            #soup = BeautifulSoup(html,fromEncoding=encoding)  
        #print url.strip() +':'+ str(encoding) +':'+ soup.title.string
        
        return str(soup.title.string)
    except Exception,e:
        print str(e)
        pass
print bs_title('http://www.xx.com')

import urllib2
import chardet
import requests
import re  
import chardet  
import urllib  
from lxml import etree  
from selenium import webdriver
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from libs.Conn_scan import Mongo,get_request
from BeautifulSoup import BeautifulSoup  


class title(object):
    """"""
    #----------------------------------------------------------------------
    def __init__(self, url):
        """Constructor"""
        super(title, self).__init__()
        self.url = url


    def utf8_transfer(strs):  
        ''''' 
        utf8编码转换 
        '''  
        try:  
            if isinstance(strs, unicode):  
                strs = strs.encode('utf-8')  
            elif chardet.detect(strs)['encoding'] == 'GB2312':  
                strs = strs.decode("gb2312", 'ignore').encode('utf-8')  
            elif chardet.detect(strs)['encoding'] == 'utf-8':  
                strs = strs.decode('utf-8', 'ignore').encode('utf-8')  
        except Exception, e:  
            print 'utf8_transfer error', strs, e  
        return strs      

    def itle_xpath(Html):  
        ''''' 
        用xpath抽取网页Title 
        '''  
        Html = utf8_transfer(Html)  
        Html_encoding = chardet.detect(Html)['encoding']  
        page = etree.HTML(Html, parser=etree.HTMLParser(encoding=Html_encoding))  
        title = page.xpath('/html/head/title/text()')  
        try:  
            title = title[0].strip()  
        except IndexError:  
            print 'Nothing'  
            pass
        return title  
        
        
    def title_re(Html):  
        ''''' 
        用re抽取网页Title 
        '''  
        Html = utf8_transfer(Html)  
        compile_rule = ur''  
        title_list = re.findall(compile_rule, Html)  
        if title_list == []:  
            title = ''  
        else:  
            title = title_list[0][7:-8]  
        return title  
        
        
    #----------------------------------------------------------------------
    def phJS_title(self):
        """"""
        try: 
            dcap = dict(DesiredCapabilities.PHANTOMJS)
            dcap["phantomjs.page.settings.userAgent"] = (
            "Mozilla/5.0 (Linux; Android 5.1.1; Nexus 6 Build/LYZ28E) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.23 Mobile Safari/537.36"
            )
            driver = webdriver.PhantomJS(desired_capabilities=dcap)
            
            driver.get(self.url)
            title = driver.title
            driver.quit()     
    
            return title
        except Exception,e:
            print str(e)
            Mongo.coll['title'].update({"URL":self.url},
                                               {"$set": {'title' : 'Null'}},
                                                       upsert = True)  
            Mongo.coll['Task'].update({"URL":self.url},
                                              {"$set": {'title':'0'}},
                                                      upsert = True)                
    #----------------------------------------------------------------------
    def run(self):
        """"""

        if self.phJS_title():
            title = self.phJS_title
        elif:
            title = 
        
        print title
        
        Mongo.coll['title'].update({"URL":self.url},
                                           {"$set": {'title' : title}},
                                                   upsert = True)  
        Mongo.coll['Task'].update({"URL":self.url},
                                          {"$set": {'title':'1'}},
                                                  upsert = True)        
        
            
            
        
        
#----------------------------------------------------------------------
def get_title(url):
    """"""
    title_url = title(url)
    title_url.run()
    
#get_title('http://www.baidu.com')