python-3.x 相关问题

有关特定于该语言版本3+的Python编程的问题。如果您的问题不是特定于版本，请使用更通用的[python]标记。

我正在尝试删除 div 内 iframe 内的弹出窗口。我必须找到关闭按钮并单击。我的代码能够找到 iframe 并在切换到 i...之前打印 iframe...

html python-3.x selenium-webdriver web-scraping iframe

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对此有疑问。我不知道如何显示单个图片。例如：对此有疑问。我不知道如何显示单个图片。例如： <img srcset="http://i4.manchestereveningnews.co.uk/incoming/article13390833.ece/ALTERNATES/s180/Mike-Grimshaw-34-was-fatally-attacked-following-the-attack-outside-his-Trafford-home-last-Thursday.jpg 180w, http://i4.manchestereveningnews.co.uk/incoming/article13390833.ece/ALTERNATES/s390/Mike-Grimshaw-34-was-fatally-attacked-following-the-attack-outside-his-Trafford-home-last-Thursday.jpg 390w, http://i4.manchestereveningnews.co.uk/incoming/article13390833.ece/ALTERNATES/s458/Mike-Grimshaw-34-was-fatally-attacked-following-the-attack-outside-his-Trafford-home-last-Thursday.jpg 458w" src="http://i4.manchestereveningnews.co.uk/incoming/article13390833.ece/ALTERNATES/s615/Mike-Grimshaw-34-was-fatally-attacked-following-the-attack-outside-his-Trafford-home-last-Thursday.jpg"> 正如您在上面看到的，有不同的替代图像，但是我正在尝试抓取单个图像来显示。 import bs4 as bs import urllib.request import datetime import random import re random.seed(datetime.datetime.now()) sauce = urllib.request.urlopen('http://www.manchestereveningnews.co.uk/news/greater-manchester-news').read() soup = bs.BeautifulSoup(sauce, 'lxml') # title = soup.title link = soup.link image = re.search(img 'srcset=img(.*?),) #this doesnt work, not sure how to strong = soup.strong description = soup.description location = soup.location title = soup.find('h1', class_ ='publication-font', ) image = soup.find('img') strong = soup.find('strong') location = soup.find('em').find('a') description = soup.find('div', class_='description',to.text) #Previous Code print("H1:", title.text) print("Article Link:", link) print("Image Url:\n", image) print("1st Paragraph:\n", strong.text) print("2nd Paragraph:\n", description.string) print("Location:\n", location.text) 我的代码在上面，但是我之前尝试时的结果会显示： Greater Manchester News <link href="rss.xml" rel="alternate" title="Default home feed" type="application/rss+xml"/> <img data-`src="http://i4.manchestereveningnews.co.uk/incoming/article13390833.ece/ALTERNA`TES/s615/Mike-Grimshaw-34-was-fatally-attacked-following-the-attack-outside-his-Trafford-home-last-Thursday.jpg" data-`srcset="http://i4.manchestereveningnews.co.uk/incoming/article13390833.ece/ALTE`RNATES/s180/Mike-Grimshaw-34-was-fatally-attacked-following-the-attack-outside-his-Trafford-home-last-Thursday.jpg 180w,` http://i4.manchestereveningnews.co.uk/incoming/article13390833.ece/ALT`ERNATES/s 390/Mike-Grimshaw-34-was-fatally-attacked-following-the-attack-outside-his-`Trafford-home-last-Thursday.jpg 390w, `http://i4.manchestereveningnews.co.uk/incoming/article13390833.ece/ALTERNATES/s458/Mike-Grimshaw-34-was-fatally-attacked-following-t`he-attack-outs`ide-his- Trafford-home-last-Thursday.jpg 458w"/> Family of dad stabbed in the neck while defendin g his fiancée from thugs speak of their heartbreak Mike Grimshaw, 34, died after being stabbed in the neck outside his home in Trafford last Thursday Trafford 在结果中，显示多个图像名称，但是我试图仅显示单个图像链接。我该怎么做呢？任何想法将不胜感激。您可以访问属性data-src或data-srcset来获取您想要的图像： image = soup.find('img') single_img = image.get('data-src') # return the main image link 或 import re image = soup.find('img') img_string = image.get('data-srcset') # this return a string you have to parse img_set = re.findall(r'(https?://[^\s]+)', img_set) # regex to match only links 然后你就可以在img_set中访问你想要的任何索引（只需之前测试列表的长度）

python python-3.x web-scraping imageurl

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如何在teardown中调用ssh连接fixture

我想通过ssh连接执行命令来测试一些场景。我需要第二次调用 ssh 连接装置。所以我的场景是这样的：内部conftest.py文件 @pytest.fixture(

python-3.x pytest pytest-fixtures

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sqlalchemy - 关系上的“验证”不会在分配事件上发出

使用 sqlalchemy 考虑以下事项：从 sqlalchemy.orm 导入验证类设备测试结果： __表名__ =“设备测试” 通过：bool =mapped_column（默认=False，我...

python python-3.x sqlalchemy

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同时运行多个Python文件

如何同时运行python的多个文件我有三个文件 pop.py pop1.py pop2.py 我想同时运行这个文件这些文件正在被一一运行 python代码运行所有文件