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使用 selenium 和 python 在网页网格中抓取 javascript 数据

热度:78   发布时间:2023-07-14 08:45:19.0

我的问题是我需要包含来自网站子域的网格中的所有数据 - (包含 NAME 、 CATEGORY 、 SUBCATEGORY 、 RISK 、 TECHNOLOGY 的数据)。 我需要的是 [例如:在第 5 行:2ch 有 2 个子域 |_2ch-base 和 2ch-posting。 像这样我只想获取所有具有子域的应用程序的列表]

不是每当我尝试在行中添加任何内容时:

table =wait.until(EC.presence_of_all_elements_located((By.CSS_SELECTOR,    'tbody#bodyScrollingTable tr')))

我收到超时错误。

下面是我现在拥有的脚本,它从网格中获取所有数据,但我只需要应用程序并且它包含子域。[例如 2ch、2ch-base、2ch-posting]。 我通过检查元素发现了一个模式,即所有没有子域的应用程序都有 () 或者我们可以通过 () 字段,这对于所有具有子域的应用程序都很常见。 任何解决此问题的帮助将不胜感激。

from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC 

driver   = webdriver.Chrome(executable_path = r'/Users/am/Downloads/chromedriver')
driver.maximize_window()

driver.get("https://applipedia.paloaltonetworks.com/") 

wait = WebDriverWait(driver,30)

table =wait.until(EC.presence_of_all_elements_located((By.CSS_SELECTOR,    'tbody#bodyScrollingTable tr')))

for tab in table:
  print(tab.text)

根据 url https://applipedia.paloaltonetworks.com/获取具有子域的所有应用程序的列表,您需要诱导WebDriverWait以使所需元素可见,您可以使用以下解决方案:

  • 代码块:

     from selenium import webdriver from selenium.webdriver.chrome.options import Options from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.common.by import By from selenium.webdriver.support import expected_conditions as EC options = Options() options.add_argument("start-maximized") options.add_argument("disable-infobars") options.add_argument("--disable-extensions") options.add_argument("--disable-gpu") driver = webdriver.Chrome(chrome_options=options, executable_path=r'C:\\WebDrivers\\ChromeDriver\\chromedriver_win32\\chromedriver.exe') driver.get('https://applipedia.paloaltonetworks.com/') elements = WebDriverWait(driver, 20).until(EC.visibility_of_all_elements_located((By.XPATH, "//table[@class='btmTable' and @id='dataTable']//tbody[@id='bodyScrollingTable']//tr[not(@ottawagroup='0') and not(@ottawagroup='2')]/td/a"))) for element in elements: print(element.get_attribute("innerHTML"))
  • 控制台输出:

     DevTools listening on ws://127.0.0.1:12927/devtools/browser/d4a5d576-a4b0-4a3d-959b-9d37aff36fc6 2ch 51.com adobe-connect adobe-connectnow adobe-creative-cloud aim aim-express ali-wangwang amazon-cloud-drive amazon-music ameba-now assembla autodesk360 avaya-webalive bacnet baidu-hi bebo bitbucket boxnet buddybuddy chinaren cisco-spark cloudapp cloudforge cloudinary concur confluence convo cyph daum dcinside diameter dnp3 dochub docstoc docusign draw.io dropbox egnyte evernote facebook fetion filestack flickr flixwagon fuze-meeting gatherplace genesys git github gitlab glassdoor globalmeet gmail google-calendar google-cloud-storage google-docs google-hangouts google-plus google-spaces google-talk google-translate google-video gotomypc gotowebinar gtp hadoop hightail hipchat hootsuite huddle hulu hyves iccp icloud iec-60870-5-104 imeet imgur instagram instan-t ip-messenger ipsec irc issuu itunes jira join-me jumpshare kaixin kaixin001 kakaotalk laiwang landesk linkedin live-mesh lotus-notes lotuslive lucidpress mail.ru mail.ru-agent maytech meebo meetup mega mendeley mercurial mixi modbus ms-ds-smb ms-lync ms-office365 ms-onedrive msn myspace nateon-im netease-webdisk netflix ning noteworthy now-tv odnoklassniki onehub owncloud paltalk pastebin pcanywhere pinterest pivotaltracker powow prezi proofhub qik qliksense-cloud qq quip quora rally-software readytalk reddit rediffbol renren rtp salesforce sap-jam screencast scribd second-life secure-data-space sendthisfile service-now sharefile sharepoint sharevault showmax siemens-s7 signiant sina-uc sina-weibo skydrive slack slideshare smartsheet snmp softros-messenger solarwinds soundcloud sourceforge spark-im ss7-map stocktwits storify subversion surveymonkey syncplicity tableau teamdrive teamup-calendar teamviewer thwapr torch-browser trello tumblr twitter uc-yun viber vimeo vine virustotal vkontakte vnc watchdox webex wechat weiyun whatsapp windows-azure windows-defender-atp workday yahoo-im yammer youku yousendit youtube yunpan360 yy-voice zalo zendesk zenefits zettahost GitLab DevTools listening on ws://127.0.0.1:12927/devtools/browser/d4a5d576-a4b0-4a3d-959b-9d37aff36fc6 2ch 51.com adobe-connect adobe-connectnow adobe-creative-cloud aim aim-express ali-wangwang amazon-cloud-drive amazon-music ameba-now assembla autodesk360 avaya-webalive bacnet baidu-hi bebo bitbucket boxnet buddybuddy chinaren cisco-spark cloudapp cloudforge cloudinary concur confluence convo cyph daum dcinside diameter dnp3 dochub docstoc docusign draw.io dropbox egnyte evernote facebook fetion filestack flickr flixwagon fuze-meeting gatherplace genesys git github gitlab glassdoor globalmeet gmail google-calendar google-cloud-storage google-docs google-hangouts google-plus google-spaces google-talk google-translate google-video gotomypc gotowebinar gtp hadoop hightail hipchat hootsuite huddle hulu hyves iccp icloud iec-60870-5-104 imeet imgur instagram instan-t ip-messenger ipsec irc issuu itunes jira join-me jumpshare kaixin kaixin001 kakaotalk laiwang landesk linkedin live-mesh lotus-notes lotuslive lucidpress mail.ru mail.ru-agent maytech meebo meetup mega mendeley mercurial mixi modbus ms-ds-smb ms-lync ms-office365 ms-onedrive msn myspace nateon-im netease-webdisk netflix ning noteworthy now-tv odnoklassniki onehub owncloud paltalk pastebin pcanywhere pinterest pivotaltracker powow prezi proofhub qik qliksense-cloud qq quip quora rally-software readytalk reddit rediffbol renren rtp salesforce sap-jam screencast scribd second-life secure-data-space sendthisfile service-now sharefile sharepoint sharevault showmax siemens-s7 signiant sina-uc sina-weibo skydrive slack slideshare smartsheet snmp softros-messenger solarwinds soundcloud sourceforge spark-im ss7-map stocktwits storify subversion surveymonkey syncplicity tableau teamdrive teamup-calendar teamviewer thwapr torch-browser trello tumblr twitter uc-yun viber vimeo vine virustotal vkontakte vnc watchdox webex wechat weiyun whatsapp windows-azure windows-defender-atp workday yahoo-im yammer youku yousendit youtube yunpan360 yy-voice zalo zendesk zenefits zettahost

使用下面的代码,您可以快速清晰地获得带有子域的域列表:

WebDriverWait(driver, 20).until(EC. visibility_of_element_located((By.CSS_SELECTOR, "[ottawagroup='1'] a")))
domains = driver.execute_script("return  [...document.querySelectorAll(\"[ottawagroup='1'] a\")].map(e=>e.textContent.trim())")
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