[英]Python - How do I format scrapy data in a csv file?
我是 python 和 web 抓取的新手,我尝试将抓取的数据存储到 csv 文件中,但是输出并不令人满意。
当前 csv 输出:
Title Image
Audi,Benz,BMW Image1,Image2,Image3
我想如何在 csv 文件中查看它:
Title Image
Audi Image1
Benz Image2
BMW Image3
这是在终端中键入以运行它的内容:
scrapy crawl testscraper -t csv -o test.csv
这是spider.py:
class TestSpiderSpider(scrapy.Spider):
name = 'testscraper'
page_number = 2
start_urls = ['https://jamaicaclassifiedonline.com/auto/cars/']
def parse(self, response):
items = scrapeItem()
product_title = response.css('.jco-card-title::text').extract()
product_imagelink = response.css('.card-image img::attr(data-src)').getall()
items['product_title'] = product_title
items['product_imagelink'] = product_imagelink
items.append('items')
yield items
他是 items.py 的代码:
class scrapeItem(scrapy.Item):
product_title = scrapy.Field()
product_imagelink = scrapy.Field()
pass
您可以选择包含汽车的每个 div 元素,然后遍历这些元素,一一生成它们。
def parse(self, response):
for car in response.css('.col.l3.s12.m6'):
item = scrapeItem()
product_title = car.css('.jco-card-title::text').get()
product_imagelink = car.css('.card-image img::attr(data-src)').get()
# Some of the elements don't contain a title or a image_link, like ads for example.
if product_title and product_imagelink:
item['product_title'] = product_title.strip().replace('\n', '')
item['product_imagelink'] = product_imagelink
yield item
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