检索特定产品的亚马逊评论

www.Scrapehero.com 有一个关于如何抓取亚马逊产品详细信息的精彩教程： 如何使用 Python 抓取亚马逊产品详细信息和定价

他们使用的完整纯文本代码是...商品由其 ASIN 标识，因此请将数组值更改为您有兴趣关注的商品。

from lxml import html  
import csv,os,json
import requests
from exceptions import ValueError
from time import sleep
def AmzonParser(url):
    headers = {'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64)    AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36'}
page = requests.get(url,headers=headers)
while True:
    sleep(3)
    try:
        doc = html.fromstring(page.content)
        XPATH_NAME = '//h1[@id="title"]//text()'
        XPATH_SALE_PRICE = '//span[contains(@id,"ourprice") or contains(@id,"saleprice")]/text()'
        XPATH_ORIGINAL_PRICE = '//td[contains(text(),"List Price") or contains(text(),"M.R.P") or contains(text(),"Price")]/following-sibling::td/text()'
        XPATH_CATEGORY = '//a[@class="a-link-normal a-color-tertiary"]//text()'
        XPATH_AVAILABILITY = '//div[@id="availability"]//text()'
        RAW_NAME = doc.xpath(XPATH_NAME)
        RAW_SALE_PRICE = doc.xpath(XPATH_SALE_PRICE)
        RAW_CATEGORY = doc.xpath(XPATH_CATEGORY)
        RAW_ORIGINAL_PRICE = doc.xpath(XPATH_ORIGINAL_PRICE)
        RAw_AVAILABILITY = doc.xpath(XPATH_AVAILABILITY)
        NAME = ' '.join(''.join(RAW_NAME).split()) if RAW_NAME else None
        SALE_PRICE = ' '.join(''.join(RAW_SALE_PRICE).split()).strip() if RAW_SALE_PRICE else None
        CATEGORY = ' > '.join([i.strip() for i in RAW_CATEGORY]) if RAW_CATEGORY else None
        ORIGINAL_PRICE = ''.join(RAW_ORIGINAL_PRICE).strip() if RAW_ORIGINAL_PRICE else None
        AVAILABILITY = ''.join(RAw_AVAILABILITY).strip() if RAw_AVAILABILITY else None
        if not ORIGINAL_PRICE:
            ORIGINAL_PRICE = SALE_PRICE
        if page.status_code!=200:
            raise ValueError('captha')
        data = {
                'NAME':NAME,
                'SALE_PRICE':SALE_PRICE,
                'CATEGORY':CATEGORY,
                'ORIGINAL_PRICE':ORIGINAL_PRICE,
                'AVAILABILITY':AVAILABILITY,
                'URL':url,
                }
        return data
    except Exception as e:
        print e
def ReadAsin():
# AsinList = csv.DictReader(open(os.path.join(os.path.dirname(__file__),"Asinfeed.csv")))
AsinList = ['B0046UR4F4',
'B00JGTVU5A',
'B00GJYCIVK',
'B00EPGK7CQ',
'B00EPGKA4G',
'B00YW5DLB4',
'B00KGD0628',
'B00O9A48N2',
'B00O9A4MEW',
'B00UZKG8QU',]
extracted_data = []
for i in AsinList:
    url = "http://www.amazon.com/dp/"+i
    print "Processing: "+url
    extracted_data.append(AmzonParser(url))
    sleep(5)
f=open('data.json','w')
json.dump(extracted_data,f,indent=4)

if __name__ == "__main__":
ReadAsin()

如果您需要定期抓取并浏览多个产品页面，我建议您对 scape hero 脚本进行添加，并对请求中的"标头"使用 https://pypi.org/project/fake-useragent/。

否则，如果您只是偶尔需要下载评论，则可以使用 https://reviewi.me。这是一个免费的网络基础工具，适用于多个亚马逊网站，并允许以CSV，XLSX和JSON<</p>