【发布时间】:2020-07-28 19:54:40
【问题描述】:
我正在雅虎财经上分析亚马逊的资产负债表。它包含嵌套行,我无法提取所有这些行。工作表如下所示:
我使用 BeautifulSoup4 和 Selenium Web 驱动程序得到以下输出:
以下是代码:
import pandas as pd
from bs4 import BeautifulSoup
import re
from selenium import webdriver
import string
import time
# chart display specifications w/ Panda
pd.options.display.float_format = '{:.0f}'.format
pd.set_option('display.width', None)
is_link = 'https://finance.yahoo.com/quote/AMZN/balance-sheet/'
chrome_path = r"C:\\Users\\hecto\\Documents\\python\\drivers\\chromedriver.exe"
driver = webdriver.Chrome(chrome_path)
driver.get(is_link)
html = driver.execute_script('return document.body.innerHTML;')
soup = BeautifulSoup(html,'lxml')
features = soup.find_all('div', class_='D(tbr)')
headers = []
temp_list = []
label_list = []
final = []
index = 0
#create headers
for item in features[0].find_all('div', class_='D(ib)'):
headers.append(item.text)
#statement contents
while index <= len(features)-1:
#filter for each line of the statement
temp = features[index].find_all('div', class_='D(tbc)')
for line in temp:
#each item adding to a temporary list
temp_list.append(line.text)
#temp_list added to final list
final.append(temp_list)
#clear temp_list
temp_list = []
index+=1
df = pd.DataFrame(final[1:])
df.columns = headers
#function to make all values numerical
def convert_to_numeric(column):
first_col = [i.replace(',','') for i in column]
second_col = [i.replace('-','') for i in first_col]
final_col = pd.to_numeric(second_col)
return final_col
for column in headers[1:]:
df[column] = convert_to_numeric(df[column])
final_df = df.fillna('-')
print(df)
再一次,我似乎无法在我的输出中获得资产负债表的所有行(即现金、总流动资产)。我哪里做错了?我错过了什么吗?
【问题讨论】:
标签: python pandas parsing beautifulsoup