from bs4 import BeautifulSoup52 Beautiful Soup (Basic)
html_doc = """<html><head><title>The Dormouse's story</title></head>
<body>
<p class="title"><b>The Dormouse's story</b></p>
<p class="story">Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" class="sister" id="link1">Elsie</a>,
<a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and
<a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.</p>
<p class="story">...</p>
"""soup = BeautifulSoup(html_doc, 'html.parser')
print(soup.prettify())<html>
<head>
<title>
The Dormouse's story
</title>
</head>
<body>
<p class="title">
<b>
The Dormouse's story
</b>
</p>
<p class="story">
Once upon a time there were three little sisters; and their names were
<a class="sister" href="http://example.com/elsie" id="link1">
Elsie
</a>
,
<a class="sister" href="http://example.com/lacie" id="link2">
Lacie
</a>
and
<a class="sister" href="http://example.com/tillie" id="link3">
Tillie
</a>
;
and they lived at the bottom of a well.
</p>
<p class="story">
...
</p>
</body>
</html>
52.1 Basic Usage
52.1.1 Title
soup.title<title>The Dormouse's story</title>
soup.title.name'title'
soup.title.string"The Dormouse's story"
soup.title.parent.name'head'
52.1.2 Paragraph
soup.p<p class="title"><b>The Dormouse's story</b></p>
soup.p['class']['title']
52.1.3 Links
soup.a<a class="sister" href="http://example.com/elsie" id="link1">Elsie</a>
soup.a<a class="sister" href="http://example.com/elsie" id="link1">Elsie</a>
soup.find_all('a')[<a class="sister" href="http://example.com/elsie" id="link1">Elsie</a>,
<a class="sister" href="http://example.com/lacie" id="link2">Lacie</a>,
<a class="sister" href="http://example.com/tillie" id="link3">Tillie</a>]
soup.find(id="link3")<a class="sister" href="http://example.com/tillie" id="link3">Tillie</a>
52.2 Tasks
52.2.1 Extracting all the URLs
Extracting all the URLs found within a page’s <a> tags:
for link in soup.find_all('a'):
print(link.get('href'))http://example.com/elsie
http://example.com/lacie
http://example.com/tillie
[link.get("href") for link in soup.find_all('a')]['http://example.com/elsie',
'http://example.com/lacie',
'http://example.com/tillie']
[link.name for link in soup.find_all('a')]['a', 'a', 'a']
[link.string for link in soup.find_all('a')]['Elsie', 'Lacie', 'Tillie']
52.2.2 Extract all Text
Extracting all the text from a page:
soup.get_text()"The Dormouse's story\n\nThe Dormouse's story\nOnce upon a time there were three little sisters; and their names were\nElsie,\nLacie and\nTillie;\nand they lived at the bottom of a well.\n...\n"