python查询百度seo信息

  • Z时代
  • 2024-01-10
  • 分类：综合

python

一个简单的python查询百度关键词排名的函数，特点：

1、UA随机

2、操作简单方便，直接getRank(关键词，域名)就可以了

3、编码转化。编码方面应该没啥问题了。

4、结果丰富。不仅有排名，还有搜索结果的title，URL，快照时间，符合SEO需求


缺点：

单线程，速度慢

#coding=utf-8
import requests
import BeautifulSoup
import re
import random
def decodeAnyWord(w):
    try:
        w.decode("utf-8")
    except:
        w = w.decode("gb2312")
    else:
        w = w.decode("utf-8")
    return w
def createURL(checkWord):   #create baidu URL with search words
    checkWord = checkWord.strip()
    checkWord = checkWord.replace(" ", "+").replace("
", "")
    baiduURL = "http://www.baidu.com/s?wd=%s&rn=100" % checkWord
    return baiduURL 
def getContent(baiduURL):   #get the content of the serp
    uaList = ["Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.1;+SV1;+.NET+CLR+1.1.4322;+TencentTraveler)",
    "Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.1;+SV1;+.NET+CLR+2.0.50727;+.NET+CLR+3.0.4506.2152;+.NET+CLR+3.5.30729)",
    "Mozilla/5.0+(Windows+NT+5.1)+AppleWebKit/537.1+(KHTML,+like+Gecko)+Chrome/21.0.1180.89+Safari/537.1",
    "Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.1;+SV1)",
    "Mozilla/5.0+(Windows+NT+6.1;+rv:11.0)+Gecko/20100101+Firefox/11.0",
    "Mozilla/4.0+(compatible;+MSIE+8.0;+Windows+NT+5.1;+Trident/4.0;+SV1)",
    "Mozilla/4.0+(compatible;+MSIE+8.0;+Windows+NT+5.1;+Trident/4.0;+GTB7.1;+.NET+CLR+2.0.50727)",
    "Mozilla/4.0+(compatible;+MSIE+8.0;+Windows+NT+5.1;+Trident/4.0;+KB974489)"]
    headers = {"User-Agent": random.choice(uaList)}
    ipList = ["202.43.188.13:8080",
    "80.243.185.168:1177",
    "218.108.85.59:81"]
    proxies = {"http": "http://%s" % random.choice(ipList)}
    r = requests.get(baiduURL, headers = headers, proxies = proxies)
    return r.content
def getLastURL(rawurl): #get final URL while there"re redirects
    r = requests.get(rawurl)
    return r.url
def getAtext(atext):    #get the text with <a> and </a>
    pat = re.compile(r"<a .*?>(.*?)</a>")
    match = pat.findall(atext)
    pureText = match[0].replace("<em>", "").replace("</em>", "")
    return pureText
def getCacheDate(t):    #get the date of cache
    pat = re.compile(r"<span class="g">.*?(d{4}-d{1,2}-d{1,2})  </span>")
    match = pat.findall(t)
    cacheDate = match[0]
    return cacheDate
def getRank(checkWord, domain): #main line
    checkWord = checkWord.replace("
", "")
    checkWord = decodeAnyWord(checkWord)
    baiduURL = createURL(checkWord) 
    cont = getContent(baiduURL)
    soup = BeautifulSoup.BeautifulSoup(cont)
    results = soup.findAll("table", {"class": "result"})    #find all results in this page
    for result in results:
        checkData = unicode(result.find("span", {"class": "g"}))
        if re.compile(r"^[^/]*%s.*?" %domain).match(checkData): #改正则
            nowRank = result["id"]  #get the rank if match the domain info
            resLink = result.find("h3").a
            resURL = resLink["href"]
            domainURL = getLastURL(resURL)  #get the target URL
            resTitle = getAtext(unicode(resLink))   #get the title of the target page
            rescache = result.find("span", {"class": "g"})
            cacheDate = getCacheDate(unicode(rescache)) #get the cache date of the target page
            res = u"%s, 第%s名, %s, %s, %s" % (checkWord, nowRank, resTitle, cacheDate, domainURL)
            return res.encode("gb2312")
            break
    else:
        return ">100"
domain = "www.douban.com" #set the domain which you want to search.
f = open("r.txt")
for w in f.readlines():
    print getRank(w, domain)
f.close()


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