BeautifulSoup学习笔记2——父节点，兄弟节点

BeautifulSoup学习笔记2——父节点，兄弟节点

1. .parent 返回该节点的父节点，如果不存在则返回None

soup.parent
#None

soup.html
"""


The Dormouse's story
Once upon a time there were three little sisters; and their names were
Elsie,
Lacie and
Tillie;
and they lived at the bottom of a well.
...

"""
soup.html.parent.name
#'[document]'
soup.p.b
#The Dormouse's story
soup.p.b.string.parent
#The Dormouse's story

2. .parents返回该节点的所有父节点,从里到外，从上往下

list(soup.p.b.string.parents)
"""
[The Dormouse's story,
 
The Dormouse's story
,
 
 
The Dormouse's story
 
Once upon a time there were three little sisters; and their names were
 Elsie,
 Lacie and
 Tillie;
 and they lived at the bottom of a well.
 
...
 ,
 
 
 
The Dormouse's story
 
Once upon a time there were three little sisters; and their names were
 Elsie,
 Lacie and
 Tillie;
 and they lived at the bottom of a well.
 
...
 ,
 
 
 
The Dormouse's story
 
Once upon a time there were three little sisters; and their names were
 Elsie,
 Lacie and
 Tillie;
 and they lived at the bottom of a well.
 
...
 ]
"""
for i in list(soup.p.b.string.parents):
    if i:
        print(i.name)
    else:
        break
"""
b
p
body
html
[document]

"""

.