根据搜索引擎下拉框，扩展关键词（单）

import requests
import re
import time
from multiprocessing import Pool
time1 = time.strftime("%H:%M:%S").replace(':','')
def get_baidu_dasou(keyword ='剑圣'):
    final_longtaikeywords=[]
    try:
        url1 = 'http://suggestion.baidu.com/su?json=1&p=3?wd=' + keyword
        url2 = 'http://suggestion.baidu.com/su?sugmode=2&json=1&wd=' + keyword
        reslt_baidu_dasou1 = requests.get(url1).text
        reslt_baidu_dasou2 = requests.get(url2).text
        kws = re.compile(r'"st": \{ "q": "(.*?)", "new":')
        kws_list_dasou1 = kws.findall(reslt_baidu_dasou1)
        kws_list_dasou2 = kws.findall(reslt_baidu_dasou2)
        for kws1 in kws_list_dasou1:
            final_longtaikeywords.append(kws1)
        for kws2 in kws_list_dasou2:
            final_longtaikeywords.append(kws2)
        print(str(keyword)+':'+str(final_longtaikeywords))
        return (final_longtaikeywords) #返回的是数列
    except Exception as e:
        time.sleep(5)
        print(e)
def get_sougou(keyword ='剑圣'):
    final_longtaikeywords=[]
    try:
        urlsougou = 'https://www.sogou.com/suggnew/ajajjson?key='+ keyword+'&type=web&ori=yes&pr=web'
        reslt_sougou_dasou1 = requests.get(urlsougou).text
        reslt_sougou_dasou1=reslt_sougou_dasou1.split('[')[2] #获得中间的长尾词结果
        kws = re.compile(r'"(.*?)",')
        kws_list_dasou1 = kws.findall(reslt_sougou_dasou1)
        for kws1 in kws_list_dasou1:
            final_longtaikeywords.append(kws1)
        print(str(keyword)+':'+str(final_longtaikeywords))
        return (final_longtaikeywords) #返回的是数列
    except Exception as e:
        time.sleep(5)
        print(e)
def get_360(keyword ='剑圣'):
    final_longtaikeywords=[]
    try:
        url360 = 'http://sug.so.360.cn/suggest?encodein=utf-8&encodeout=utf-8&format=json&fields=word,obdata&word='+ keyword
        reslt_360_dasou1 = requests.get(url360).text
        kws = re.compile(r'\{"word":"(.*?)"},')
        kws_list_dasou1 = kws.findall(reslt_360_dasou1)
        for kws1 in kws_list_dasou1:
            kws1 = re.sub('","obdata":"{.*}', '', kws1)
            final_longtaikeywords.append(kws1)
        print(str(keyword)+':'+str(final_longtaikeywords))
        return (final_longtaikeywords) #返回的是数列
    except Exception as e:
        time.sleep(5)
        print(e)

def read(startpath,zm1s,resultpath):
    final_longtais=[]
    last_longtais=[]
    with open(startpath,'r+',encoding='utf-8') as f:
        kwsline = f.readlines()
        for kw in kwsline:
            kw = kw.strip()  # 去除空行
            kw = kw.replace('\n','') #替换最后一行
            for zm1 in zm1s:
                print('百度搜索：'+kw+zm1)#是否还要判断
                final_longtais.append(get_baidu_dasou(kw+zm1))
                print('百度搜索：'  + zm1+ kw)
                final_longtais.append(get_baidu_dasou(zm1+kw))#其他搜索引擎
                print('搜狗搜索：' + kw + zm1)
                final_longtais.append(get_sougou(kw + zm1))#搜狗不做
                print('360搜索：' + kw + zm1)
                final_longtais.append(get_360(kw + zm1))
                print('360搜索：' + zm1+ kw)
                final_longtais.append(get_360(zm1+ kw))
    # 形成新的数列
        if final_longtais!=None:
            for final_longtai in final_longtais: #第一层数列
                if final_longtai != None:
                    for each_word in final_longtai:  #数列中的数列
                        last_longtais.append(each_word)
    # 对新数列去重
        last_longtais2 = list(set(last_longtais))#去重
        last_longtais2.sort(key=last_longtais.index)#按原来的排序
        print(last_longtais2)
        print(len(last_longtais2))
        with open(resultpath,'a+',encoding='utf-8') as text:
            for last_longtai in last_longtais2:
                text.write(last_longtai+'\n')
                #写进数据库

def final(startpath1):
    start = time.clock()
    resultpath= r'C:/Users/Administrator/Desktop/result/xiala/'+time1+'resultkeywords.txt'
    finalpath = r'C:/Users/Administrator/Desktop/result/xiala/'+time1+'finalkeywords.txt'
    lastpath = r'C:/Users/Administrator/Desktop/result/xiala/' + time1 + 'lastpath.txt'
    zm1s=['',' ','a','b','c','d','e','f','g','h','j','k','l','m','n','o','p','q','r','s','t','w','x','y','z','0','1','2','3','4','5','6','7','8','9']
    #zm1s = ['']
    zm2s=['']
    zm2s = ['', ' ']
    lastlist=[]
    read(startpath1,zm1s,resultpath)
    read(resultpath,zm2s,finalpath)
    with open(resultpath, 'r', encoding='utf-8') as text: #第一个结果
        kwsline = text.readlines()
        for kw in kwsline:
            kw = kw.strip()  # 去除空行
            lastlist.append(kw)
    with open(finalpath, 'r', encoding='utf-8') as text:    #第二个结果
        kwsline = text.readlines()
        for kw in kwsline:
            kw = kw.strip()  # 去除空行
            lastlist.append(kw)
    lastlist2 = list(set(lastlist))  # 去重
    lastlist2.sort(key=lastlist.index)  # 按原来的排序
    print(len(lastlist2))
    with open(lastpath, 'a+', encoding='utf-8') as text:  #第三个结果
        for singlelastlist in lastlist2:
            text.write(singlelastlist + '\n')
    end = time.clock()
    print("read: %f s" % (end - start))

final(startpath1=r'C:\Users\Administrator\Desktop/result\xiala\testforkeywords.txt')