python爬取股票信息

 import requests
from bs4 import BeautifulSoup
import traceback
import re def getHTMLText(url):
try:
r = requests.get(url)
r.raise_for_status()
r.encoding = r.apparent_encoding
return r.text
except:
return "" def getStockList(lst, stockURL):
html = getHTMLText(stockURL)
soup = BeautifulSoup(html, 'html.parser')
a = soup.find_all('a')
for i in a:
try:
href = i.attrs['href']
lst.append(re.findall(r"[s][hz]\d{6}", href)[0])
except:
continue def getStockInfo(lst, stockURL, fpath):
for stock in lst:
url = stockURL + stock + ".html"
html = getHTMLText(url)
try:
if html == "":
continue
infoDict = {}
soup = BeautifulSoup(html, 'html.parser')
stockInfo = soup.find('div', attrs={'class': 'stock-bets'}) name = stockInfo.find_all(attrs={'class': 'bets-name'})[0]
infoDict.update({'股票名称': name.text.split()[0]}) keyList = stockInfo.find_all('dt')
valueList = stockInfo.find_all('dd')
for i in range(len(keyList)):
key = keyList[i].text
val = valueList[i].text
infoDict[key] = val with open(fpath, 'a', encoding='utf-8') as f:
f.write(str(infoDict) + '\n')
except:
traceback.print_exc()
continue def main():
stock_list_url = 'http://quote.eastmoney.com/stocklist.html'
stock_info_url = 'http://gupiao.baidu.com/stock/'
output_file = 'D:/BaiduStockInfo.txt'
slist = []
getStockList(slist, stock_list_url)
getStockInfo(slist, stock_info_url, output_file) main()

这是慕课上的源代码,直接粘贴的,不知道为什么运行一直报错。以下是错误。如果有人解决了,麻烦说一声,谢谢啦。

python爬取股票信息

下面是慕课中修改的代码,也是源代码,直接粘贴的,但是是可以运行出来的。

 import requests
from bs4 import BeautifulSoup
import traceback
import re def getHTMLText(url, code="utf-8"):
try:
r = requests.get(url)
r.raise_for_status()
r.encoding = code
return r.text
except:
return "" def getStockList(lst, stockURL):
html = getHTMLText(stockURL, "GB2312")
soup = BeautifulSoup(html, 'html.parser')
a = soup.find_all('a')
for i in a:
try:
href = i.attrs['href']
lst.append(re.findall(r"[s][hz]\d{6}", href)[0])
except:
continue def getStockInfo(lst, stockURL, fpath):
count = 0
for stock in lst:
url = stockURL + stock + ".html"
html = getHTMLText(url)
try:
if html=="":
continue
infoDict = {}
soup = BeautifulSoup(html, 'html.parser')
stockInfo = soup.find('div',attrs={'class':'stock-bets'}) name = stockInfo.find_all(attrs={'class':'bets-name'})[0]
infoDict.update({'股票名称': name.text.split()[0]}) keyList = stockInfo.find_all('dt')
valueList = stockInfo.find_all('dd')
for i in range(len(keyList)):
key = keyList[i].text
val = valueList[i].text
infoDict[key] = val with open(fpath, 'a', encoding='utf-8') as f:
f.write( str(infoDict) + '\n' )
count = count + 1
print("\r当前进度: {:.2f}%".format(count*100/len(lst)),end="")
except:
count = count + 1
print("\r当前进度: {:.2f}%".format(count*100/len(lst)),end="")
continue def main():
stock_list_url = 'http://quote.eastmoney.com/stocklist.html'
stock_info_url = 'http://gupiao.baidu.com/stock/'
output_file = 'D:/BaiduStockInfo.txt'
slist=[]
getStockList(slist, stock_list_url)
getStockInfo(slist, stock_info_url, output_file) main()

python爬取股票信息

至于为什么,本人也不是特别清楚,代码主题部分是一样的,具体原因不清楚。我把编码方式删去了,和原先一样。但是程序依然可以运行。我不知道为什么,加了进度条,程序就可以运行了。

这是别人的代码分析 ,个人觉得还是很好的,很仔细:https://segmentfault.com/a/1190000010520835

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