无法利用scrapy 爬取pypi.org项目的Statistics数据
问题遇到的现象和发生背景 :
使用scrapy对 https://pypi.org/project/scrapely/0.12.0/ 进行爬虫抓全，发现无论怎么弄都无法读取到starts的数据
ps.Starts 、Forks和PRs的数据都无法被爬取
运行情况：
程序能正常运行，就是无法爬取到数据
读取Starts数据的代码，直接利用chrome 的copyXpath 获取定位的
item['stars']=response.xpath('//*[@id="content"]/div[4]/div/div/div[1]/div[3]/div/ul/li[1]/a/span/text()').extract()
运行后结果为：
去除text()直接看爬取的内容，显示爬取的信息中并未包括text内容
网页HTML显示为
爬取结果为
爬取内容并未包含text内容
我已经通过fake_useragent库生成了伪装agent，但是结果仍是如此，请教各位，到底是哪里出来问题呢？
PS.对于start数据的定位，我已尝试多种定位方式，仍无法爬取到其内容
代码及运行情况
scrapy 爬取代码：
import scrapy
from Tester2.items import PythonPackageItem
class PypiSpider(scrapy.Spider):
name = 'pypi'
allowed_domains = ['pypi.org']
start_urls = ['https://pypi.org/pypi/scrapely/0.12.0',
'https://pypi.org/project/dc-campaign-finance-scrapers/0.5.1',
]
def parse(self, response):
item=PythonPackageItem()
item['package_page']=response.url
item['package_name']=response.xpath('//*[@id="pip-command"]/text()').extract()
item['package_short_description']=response.xpath('//*[@id="description"]/div/p/text()').extract()
item['home_page']=response.xpath('//*[@id="content"]/div[4]/div/div/div[1]/div[2]/ul/li/a/@href').extract()
item['version_number']=[]
versions=response.xpath('//li/a[contains(text(),"Python ::")]/text()').extract()
for v in versions:
versions_number=v.split("::")[-1]
if versions_number.strip() in item['version_number']:
continue
item['version_number'].append(versions_number.strip())
item['stars']=response.xpath('//*[@id="content"]/div[4]/div/div/div[1]/div[3]/div/ul/li[1]/a/span').extract()
return item
scrapy 的设置：
USER_AGENT='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.1 Safari/537.36'
ROBOTSTXT_OBEY = True
DOWNLOAD_DELAY = 3
RANDOMIZE_DOWNLOAD_DELAY=True
运行结果：
PS E:\python\Data Wrangling with Python> cd Tester2
PS E:\python\Data Wrangling with Python\Tester2> scrapy crawl pypi
2022-07-12 00:37:43 [scrapy.utils.log] INFO: Scrapy 2.6.1 started (bot: Tester2)
2022-07-12 00:37:43 [scrapy.utils.log] INFO: Versions: lxml 4.9.1.0, libxml2 2.9.12, cssselect 1.1.0, parsel 1.6.0, w3lib 1.22.0, Twisted 22.4.0, Python 3.10.2 (tags/v3.10.2:a58ebcc, Jan
17 2022, 14:12:15) [MSC v.1929 64 bit (AMD64)], pyOpenSSL 22.0.0 (OpenSSL 3.0.4 21 Jun 2022), cryptography 37.0.3, Platform Windows-10-10.0.19043-SP0
2022-07-12 00:37:43 [scrapy.crawler] INFO: Overridden settings:
{'BOT_NAME': 'Tester2',
'DOWNLOAD_DELAY': 3,
'NEWSPIDER_MODULE': 'Tester2.spiders',
'ROBOTSTXT_OBEY': True,
'SPIDER_MODULES': ['Tester2.spiders'],
'USER_AGENT': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) '
'AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.1 '
'Safari/537.36'}
2022-07-12 00:37:43 [scrapy.utils.log] DEBUG: Using reactor: twisted.internet.selectreactor.SelectReactor
2022-07-12 00:37:43 [scrapy.extensions.telnet] INFO: Telnet Password: 6141f757eb68c809
2022-07-12 00:37:43 [scrapy.middleware] INFO: Enabled extensions:
['scrapy.extensions.corestats.CoreStats',
'scrapy.extensions.telnet.TelnetConsole',
'scrapy.extensions.logstats.LogStats']
2022-07-12 00:37:43 [scrapy.middleware] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware',
'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']
2022-07-12 00:37:43 [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']
2022-07-12 00:37:43 [scrapy.middleware] INFO: Enabled item pipelines:
[]
2022-07-12 00:37:43 [scrapy.core.engine] INFO: Spider opened
2022-07-12 00:37:44 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2022-07-12 00:37:44 [scrapy.extensions.telnet] INFO: Telnet console listening on 127.0.0.1:6023
2022-07-12 00:37:45 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://pypi.org/robots.txt> (referer: None)
2022-07-12 00:37:48 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (301) to <GET https://pypi.org/pypi/scrapely/0.12.0/> from <GET https://pypi.org/pypi/scrapely/0.12.0>
2022-07-12 00:37:53 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (301) to <GET https://pypi.org/project/dc-campaign-finance-scrapers/0.5.1/> from <GET https://pypi.org/proje
ct/dc-campaign-finance-scrapers/0.5.1>
2022-07-12 00:37:55 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (301) to <GET https://pypi.org/project/scrapely/0.12.0/> from <GET https://pypi.org/pypi/scrapely/0.12.0/>
2022-07-12 00:37:58 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://pypi.org/project/dc-campaign-finance-scrapers/0.5.1/> (referer: None)
2022-07-12 00:37:59 [scrapy.core.scraper] DEBUG: Scraped from <200 https://pypi.org/project/dc-campaign-finance-scrapers/0.5.1/>
{'home_page': ['http://github.com/codefordc/dc-campaign-finance-scraper'],
'package_name': ['pip install dc-campaign-finance-scrapers==0.5.1'],
'package_page': 'https://pypi.org/project/dc-campaign-finance-scrapers/0.5.1/',
'package_short_description': [],
'stars': ['<span class="github-repo-info__item" '
'data-key="stargazers_count"></span>'],
'version_number': []}
2022-07-12 00:38:01 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://pypi.org/project/scrapely/0.12.0/> (referer: None)
2022-07-12 00:38:01 [scrapy.core.scraper] DEBUG: Scraped from <200 https://pypi.org/project/scrapely/0.12.0/>
{'home_page': ['http://github.com/scrapy/scrapely'],
'package_name': ['pip install scrapely==0.12.0'],
'package_page': 'https://pypi.org/project/scrapely/0.12.0/',
'package_short_description': ['Scrapely is a library for extracting '
'structured data from HTML pages. Given\n'
'some example web pages and the data to be '
'extracted, scrapely constructs a\n'
'parser for all similar pages.'],
'stars': ['<span class="github-repo-info__item" '
'data-key="stargazers_count"></span>'],
'version_number': ['2.6', '2.7']}
2022-07-12 00:38:01 [scrapy.core.engine] INFO: Closing spider (finished)
2022-07-12 00:38:01 [scrapy.statscollectors] INFO: Dumping Scrapy stats:
{'downloader/request_bytes': 1918,
'downloader/request_count': 6,
'downloader/request_method_count/GET': 6,
'downloader/response_bytes': 35207,
'downloader/response_count': 6,
'downloader/response_status_count/200': 3,
'downloader/response_status_count/301': 3,
'elapsed_time_seconds': 17.94801,
'finish_reason': 'finished',
'finish_time': datetime.datetime(2022, 7, 11, 16, 38, 1, 991068),
'httpcompression/response_bytes': 133981,
'httpcompression/response_count': 3,
'item_scraped_count': 2,
'log_count/DEBUG': 9,
'log_count/INFO': 10,
'response_received_count': 3,
'robotstxt/request_count': 1,
'robotstxt/response_count': 1,
'robotstxt/response_status_count/200': 1,
'scheduler/dequeued': 5,
'scheduler/dequeued/memory': 5,
'scheduler/enqueued': 5,
'scheduler/enqueued/memory': 5,
'start_time': datetime.datetime(2022, 7, 11, 16, 37, 44, 43058)}
2022-07-12 00:38:01 [scrapy.core.engine] INFO: Spider closed (finished)