MOOC 中国大学 python爬取股票信息

#该程序先从东方财富网爬取股票列表 然后在从百度股票的找出对应股票的信息import requestsfrom bs4 import BeautifulSoupimport tracebackimport re def getHTMLText(url, code="utf-8"):    try:        r = requests.get(url)        r.raise_for_status()        r.encoding = code#直接告诉编码类型 加快程序速度        return r.text    except:        return "" def getStockList(lst, stockURL):    html = getHTMLText(stockURL, "GB2312")#告诉编码类型 加快程序速度    soup = BeautifulSoup(html, 'html.parser')     a = soup.find_all('a')#找出所有a标签    for i in a:        try:            href = i.attrs['href']#把a标签中所有href 存到数组href中             lst.append(re.findall(r"[s][hz]\d{6}", href)[0])#用正则表达式提取href中股票编号 存到lst中        except:            continue def getStockInfo(lst, stockURL, fpath):    count = 0#计数    for stock in lst:        url = stockURL + stock + ".html"#每一只股票的html页面        html = getHTMLText(url)        try:            if html=="":#页面为空 继续爬取其他                continue            infoDict = {}            soup = BeautifulSoup(html, 'html.parser')#解析html            stockInfo = soup.find('div',attrs={'class':'stock-bets'})#找出div 标签中属性为stock-bets的             name = stockInfo.find_all(attrs={'class':'bets-name'})[0]#找出所有属性为 bets-name 并存到name列表中            infoDict.update({'股票名称': name.text.split()[0]})#lst 填入  name中空格前的内容（真正的name）                         keyList = stockInfo.find_all('dt')#找出与股票相关的键值对列表            valueList = stockInfo.find_all('dd')            for i in range(len(keyList)):                key = keyList[i].text#还原成键                val = valueList[i].text#还原值                infoDict[key] = val #向字典中新增内容                         with open(fpath, 'a', encoding='utf-8') as f:#保存到文件中                f.write( str(infoDict) + '\n' )                count = count + 1                print("\r当前进度: {:.2f}%".format(count*100/len(lst)),end="")#进度条        except:            count = count + 1            print("\r当前进度: {:.2f}%".format(count*100/len(lst)),end="")            traceback.print_exc()#获得错误信息            continue def main():    stock_list_url = 'http://quote.eastmoney.com/stocklist.html'    stock_info_url = 'https://gupiao.baidu.com/stock/'    output_file = 'D:/BaiduStockInfo1.txt'    slist=[]    getStockList(slist, stock_list_url)    getStockInfo(slist, stock_info_url, output_file) main()