[英]writing and saving CSV file from scraping data using python and Beautifulsoup4
[英]CSV not writing properly after scraping data for a website using Python and BeautifulSoup
從網站抓取數據后,編寫CSV文件時遇到問題。 我的目的是抓取在美國發現的高爾夫球場的名稱和地址列表。 我使用.get_text(separator=' ')
作為地址,以刪除<Br>
以破壞地址的文本,但是當寫入CSV時,我從893的交互中僅獲得三個條目。我該怎么辦因此我獲得了適量的已抓取數據,以及如何修復腳本以使其能夠正確抓取所有內容。
這是我的腳本:
import csv
import requests
from bs4 import BeautifulSoup
courses_list = []
for i in range(893): #893
url="http://sites.garmin.com/clsearch/courses/search?course=&location=&country=US&state=&holes=&radius=&lang=en&search_submitted=1&per_page={}".format(i*20)
r = requests.get(url)
soup = BeautifulSoup(r.text)
g_data2 = soup.find_all("div",{"class":"result"})
#print g_data
for item in g_data2:
try:
name = item.find_all("div",{"class":"name"})[0].text
except:
name=''
print "No Name found!"
try:
address= item.find_all("div",{"class":"location"})[0].get_text(separator=' ')
print address
except:
address=''
print "No Address found!"
course=[name,address]
courses_list.append(course)
with open ('Garmin_GC.csv','a') as file:
writer=csv.writer(file)
for row in courses_list:
writer.writerow([s.encode("utf-8") for s
如果那是您的縮進,那是錯誤的,您需要在循環中添加名稱和地址,這應該添加所有數據:
import csv
import requests
from bs4 import BeautifulSoup
courses_list = []
with open('Garmin_GC.csv', 'w') as file:
for i in range(893): #893
url = "http://sites.garmin.com/clsearch/courses/search?course=&location=&country=US&state=&holes=&radius=&lang=en&search_submitted=1&per_page={}".format(
i * 20)
r = requests.get(url)
soup = BeautifulSoup(r.text)
g_data2 = soup.find_all("div", {"class": "result"})
for item in g_data2:
try:
name = item.find_all("div", {"class": "name"})[0].text
except IndexError::
name = ''
print "No Name found!"
try:
address = item.find_all("div", {"class": "location"})[0].get_text(separator=' ')
print address
except IndexError::
address = ''
print "No Address found!"
course = [name, address]
courses_list.append(course)
writer = csv.writer(file)
for row in courses_list:
writer.writerow([s.encode("utf-8") for s in row])
您可以在循環外打開文件,並在完成后寫入一次,如果您不想將所有數據存儲在列表中,只需編寫每次迭代即可:
with open('Garmin_GC.csv', 'w') as file:
writer = csv.writer(file)
for i in range(3): #893
url = "http://sites.garmin.com/clsearch/courses/search?course=&location=&country=US&state=&holes=&radius=&lang=en&search_submitted=1&per_page={}".format(
i * 20)
r = requests.get(url)
soup = BeautifulSoup(r.text)
g_data2 = soup.find_all("div", {"class": "result"})
for item in g_data2:
try:
name = item.find_all("div", {"class": "name"})[0].text
except IndexError:
name = ''
print "No Name found!"
try:
address = item.find_all("div", {"class": "location"})[0].get_text(separator=' ')
print address
except IndexError:
address = ''
print "No Address found!"
writer.writerow([name.encode("utf-8"), address.encode("utf-8")])
如果您沒有名字或地址,那么您可能想在例外中添加一個continue
,如果您想忽略缺少這兩個或兩者之一的數據。
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