股票代码列表的属性错误

Question

我对为什么会收到属性错误感到有点困惑。仅当我放置等于 stock_list 的列表时才会发生此错误。如果我打印列表然后复制并粘贴我没有得到错误/

我尝试从代码顶部输入技术行情，但尝试时出现属性错误，当我先打印列表然后复制并粘贴时不会发生这种情况，这应该是同一回事？

file = 'techtickerlist.csv'
with open(file) as f:
    reader = csv.reader(f)
    technologyTickers = []
    for row in reader:
        technologyTickers.append(row[0])

def scrape(stock_list, interested, technicals):
    SuggestedStocks = []
    for each_stock in stock_list:
        try:
            technicals = scrape_yahoo(each_stock)
            condition_1 = float(technicals.get('Return on Equity',0).replace('%','').replace('N/A','-100').replace(',','')) > 25
            condition_2 = float(technicals.get('Trailing P/E',0).replace('N/A','0').replace(',','')) < 25
            condition_3 = float(technicals.get('Price/Book',0).replace('N/A','100')) <8
            condition_4 = float(technicals.get('Beta (3Y Monthly)',0).replace('N/A','100')) <1.1
            if condition_1 and condition_2 and condition_3 and condition_4:
                print(each_stock)
                SuggestedStocks.append(each_stock)  
                for ind in interested: 
                    print(ind + ": "+ technicals[ind])         
                print("------")
                time.sleep(1)   
        except ValueError:
                print('Value Error')
                return
                                              # Use delay to avoid getting flagged as bot
    #return technicals
    print(SuggestedStocks)


def main():

    stock_list = technologyTickers
    interested = ['Return on Equity', 'Revenue', 'Quarterly Revenue Growth','Trailing P/E', 'Beta (3Y Monthly)','Price/Book']
    technicals = {}

    tech = scrape(stock_list, interested, technicals)
    print(tech)

AttributeError: 'int' object has no attribute 'replace'

Answer 1

检查您的实施情况

technicals.get('Return on Equity',0)

方法get（对于类型dict）将return默认值0如果键不存在。通过您的实现，所有默认值都有一个类型 int。因为他们被设置为数字，而不是字符串（用引号引起来）。

如果零是正确的默认值，您可以忽略类型更改的错误并保留您的实现。

technicals.get('Return on Equity', '0')

Answer 2

我想这会做你想要的。

import csv
import requests
from bs4 import BeautifulSoup

url_base = "https://finviz.com/quote.ashx?t="
tckr = ['SBUX','MSFT','AAPL']
url_list = [url_base + s for s in tckr]

with open('C:\Users\Excel\Downloads\SO.csv', 'a', newline='') as f:
    writer = csv.writer(f)

    for url in url_list:
        try:
            fpage = requests.get(url)
            fsoup = BeautifulSoup(fpage.content, 'html.parser')

            # write header row
            writer.writerow(map(lambda e : e.text, fsoup.find_all('td', {'class':'snapshot-td2-cp'})))

            # write body row
            writer.writerow(map(lambda e : e.text, fsoup.find_all('td', {'class':'snapshot-td2'})))            
        except HTTPError:
            print("{} - not found".format(url))

股票代码列表的属性错误

Attribute Error with List of Stock Tickers

python

finance

list

python-3.x