練習---這い出した豆弁TOP 250の書籍をcsvファイルに保存する

import requests
import json
import csv
from bs4 import BeautifulSoup

books=[]

def book_name(url):
	res=requests.get(url)
	html=res.text
	soup=BeautifulSoup(html,'html.parser')
	items=soup.find(class_="grid-16-8 clearfix").find(class_="indent").find_all('table')
	
	for i in items:	
		book=[]   
		title=i.find(class_="pl2").find('a')
		book.append('《'+title.text.replace(' ','').replace('
','')+'》')
		
		star=i.find(class_="star clearfix").find(class_="rating_nums")
		book.append(star.text+' ')
		
		try:
			brief=i.find(class_="quote").find(class_="inq")
		except AttributeError:
			book.append('” “')
		else:
			book.append(brief.text)
			
		link=i.find(class_="pl2").find('a')['href']
		book.append(link)
		
		global books
		books.append(book)   
		
		print(book)


	try:
		next=soup.find(class_="paginator").find(class_="next").find('a')['href']
		# 
	except TypeError:
		return 0
	else:
		return next

next='https://book.douban.com/top250?start=0&filter='
count=0

while next!=0:
	count+=1
	next=book_name(next)
	print('----------- '+str(count)+' -----------')
	
csv_file=open('C:/Users/Xpeng/Desktop/ /top250_books.csv','w',newline='',encoding='utf-8')
w=csv.writer(csv_file)
w.writerow([' ',' ',' ',' '])
for b in books:
	w.writerow(b)
csv_file.close()