我要抓取网站www.tony.com.mx，我需要的是从一页抓取所有类别和产品，然后按照这些产品链接来抓取每个产品，
我想做的是我已经从一个页面上抓取了所有产品页面链接，但是我无法按照产品链接进行进一步提取，我是Scrapy的新手，也许它具有简单的解决方案，但是我找不到它，我一直在处理Requests和BS4，
如果有人可以帮助
import scrapy
from urllib.parse import urljoin
from time import sleep
class TonySpider(scrapy.Spider):
name = 'First'
allowed_domains = ['www.tony',]
start_urls = ['http://www.tony.com.mx/mapa-del-sitio',]
def parse(self, response):
#item = Tonyitem()
for element in response.xpath('//*[@id="content"]/div/div[1]/ul/li'):
cat = element.xpath('./a/text()').extract()
for ee in element.xpath('./ul/li'):
cat1 = ee.xpath('./a/text()').extract()
for aa in ee.xpath('./ul/li'):
cat2 = aa.xpath('./a/text()').extract()
for url in aa.xpath('./a/@href').extract():
url = urljoin(response.url, url)
sleep(2)
yield scrapy.Request(url, callback=self.parse_product)
#yield response.follow(url, self.parse_product)
'''yield {
'Url':url,
'category':cat,
'category1':cat1,
'category2':cat2,
}'''
print('--------------scraping product-------------------')
def parse_product(self, response):
for container in response.xpath('//*[@id="mfilter-content-container"]/div[3]/div[1]/div/div'):
image = container.xpath('./div/div/div[1]/a/img/@src').extract()
title = container.xpath('.//h5/text()').extract()
brand = container.xpath('./div/div[2]/p[1]/span/text()').extract()
yield{
'image' : image,
'title' : title,
'brand' : brand,
}
几乎没有什么可以帮助的， 1.如何跟踪每个产品的网址并分别使用不同的代码进行解析，我尝试使用
我得到的答复是
(base) C:\Users\Assad\project\firstscrapy>scrapy crawl First -o assad2.csv
:0: UserWarning: You do not have a working installation of the service_identity
module: 'cannot import name 'verify_ip_address''. Please install it from <https
://pypi.python.org/pypi/service_identity> and make sure all of its dependencies
are satisfied. Without the service_identity module, Twisted can perform only ru
dimentary TLS client hostname verification. Many valid certificate/hostname map
pings may be rejected.
--------------scraping product-------------------
2019-05-26 04:55:46 [scrapy.utils.log] INFO: Scrapy 1.5.2 started (bot: firstscr
apy)
2019-05-26 04:55:46 [scrapy.utils.log] INFO: Versions: lxml 4.1.1.0, libxml2 2.9
.7, cssselect 1.0.3, parsel 1.5.1, w3lib 1.20.0, Twisted 19.2.0, Python 3.6.4 |A
naconda, Inc.| (default, Jan 16 2018, 10:22:32) [MSC v.1900 64 bit (AMD64)], pyO
penSSL 17.5.0 (OpenSSL 1.1.1b 26 Feb 2019), cryptography 2.6.1, Platform Window
s-7-6.1.7601-SP1
2019-05-26 04:55:46 [scrapy.crawler] INFO: Overridden settings: {'BOT_NAME': 'fi
rstscrapy', 'FEED_FORMAT': 'csv', 'FEED_URI': 'assad2.csv', 'NEWSPIDER_MODULE':
'firstscrapy.spiders', 'SPIDER_MODULES': ['firstscrapy.spiders'], 'USER_AGENT':
'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko
) Chrome/61.0.3163.100 Safari/537.36'}
2019-05-26 04:55:46 [scrapy.extensions.telnet] INFO: Telnet Password: f3fd6978e7
ea939c
2019-05-26 04:55:46 [scrapy.middleware] INFO: Enabled extensions:
['scrapy.extensions.corestats.CoreStats',
'scrapy.extensions.telnet.TelnetConsole',
'scrapy.extensions.feedexport.FeedExporter',
'scrapy.extensions.logstats.LogStats']
2019-05-26 04:55:47 [scrapy.middleware] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware',
'scrapy.downloadermiddlewares.useragent.UserAgentMiddleware',
'scrapy.downloadermiddlewares.retry.RetryMiddleware',
'scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware',
'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware',
'scrapy.downloadermiddlewares.redirect.RedirectMiddleware',
'scrapy.downloadermiddlewares.cookies.CookiesMiddleware',
'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware',
'scrapy.downloadermiddlewares.stats.DownloaderStats']
2019-05-26 04:55:47 [scrapy.middleware] INFO: Enabled spider middlewares:
['scrapy.spidermiddlewares.httperror.HttpErrorMiddleware',
'scrapy.spidermiddlewares.offsite.OffsiteMiddleware',
'scrapy.spidermiddlewares.referer.RefererMiddleware',
'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware',
'scrapy.spidermiddlewares.depth.DepthMiddleware']
2019-05-26 04:55:47 [scrapy.middleware] INFO: Enabled item pipelines:
[]
2019-05-26 04:55:47 [scrapy.core.engine] INFO: Spider opened
2019-05-26 04:55:47 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pag
es/min), scraped 0 items (at 0 items/min)
2019-05-26 04:55:47 [scrapy.extensions.telnet] DEBUG: Telnet console listening o
n 127.0.0.1:6024
2019-05-26 04:55:50 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://www.to
ny.com.mx/mapa-del-sitio> (referer: None)
2019-05-26 04:55:50 [scrapy.spidermiddlewares.offsite] DEBUG: Filtered offsite r
equest to 'www.tony.com.mx': <GET http://www.tony.com.mx/arte-y-manualidades/her
ramientas/bastidores>
2019-05-26 04:55:50 [scrapy.core.engine] INFO: Closing spider (finished)
2019-05-26 04:55:50 [scrapy.statscollectors] INFO: Dumping Scrapy stats:
{'downloader/request_bytes': 309,
'downloader/request_count': 1,
'downloader/request_method_count/GET': 1,
'downloader/response_bytes': 23493,
'downloader/response_count': 1,
'downloader/response_status_count/200': 1,
'finish_reason': 'finished',
'finish_time': datetime.datetime(2019, 5, 25, 23, 55, 50, 715442),
'log_count/DEBUG': 3,
'log_count/INFO': 8,
'offsite/domains': 1,
'offsite/filtered': 213,
'request_depth_max': 1,
'response_received_count': 1,
'scheduler/dequeued': 1,
'scheduler/dequeued/memory': 1,
'scheduler/enqueued': 1,
'scheduler/enqueued/memory': 1,
'start_time': datetime.datetime(2019, 5, 25, 23, 55, 47, 494354)}
2019-05-26 04:55:50 [scrapy.core.engine] INFO: Spider closed (finished)
(base) C:\Users\Assad\project\firstscrapy>
答案 0 :(得分：-1)
它有一个简单的解决方案，如果您要寻找答案，只需输入dont_filter = True
yield scrapy.Request(url, callback=self.parse_product, dont_filter=True)