>>> from urllib.parse import urlparse >>> o = urlparse('http://www.cwi.nl:80/%7Eguido/Python.html') >>> o ParseResult(scheme='http', netloc='www.cwi.nl:80', path='/%7Eguido/Python.html', params='', query='', fragment='') >>> o.scheme 'http' >>> o.port 80 >>> o.geturl() 'http://www.cwi.nl:80/%7Eguido/Python.html'
>>> from urllib.parse import urlparse >>> urlparse('//www.cwi.nl:80/%7Eguido/Python.html') ParseResult(scheme='', netloc='www.cwi.nl:80', path='/%7Eguido/Python.html', params='', query='', fragment='') >>> urlparse('www.cwi.nl/%7Eguido/Python.html') ParseResult(scheme='', netloc='', path='www.cwi.nl/%7Eguido/Python.html', params='', query='', fragment='') >>> urlparse('help/Python.html') ParseResult(scheme='', netloc='', path='help/Python.html', params='', query='', fragment='')
| Attribute | Index | Value | Value if not present |
|---|---|---|---|
scheme |
0 | URL scheme specifier | scheme parameter |
netloc |
1 | Network location part | empty string |
path |
2 | Hierarchical path | empty string |
params |
3 | Parameters for last path element | empty string |
query |
4 | Query component | empty string |
fragment |
5 | Fragment identifier | empty string |
username |
User name | None |
|
password |
Password | None |
|
hostname |
Host name (lower case) | None |
|
port |
Port number as integer, if present | None |
来源：https://docs.python.org/3/library/urllib.parse.html?highlight=urlparse#urllib.parse.urlparse
from urllib.parse import urljoin >>> urljoin("http://www.asite.com/folder/currentpage.html", "anotherpage.html") 'http://www.asite.com/folder/anotherpage.html' >>> urljoin("http://www.asite.com/folder/currentpage.html", "folder2/anotherpage.html") 'http://www.asite.com/folder/folder2/anotherpage.html' >>> urljoin("http://www.asite.com/folder/currentpage.html", "/folder3/anotherpage.html") 'http://www.asite.com/folder3/anotherpage.html' >>> urljoin("http://www.asite.com/folder/currentpage.html", "../finalpage.html") 'http://www.asite.com/finalpage.html'