Python从URL中提取域名

Question

Python如何从URL中提取域名？url有各种格式的如下：

输入：

https://docs.google.com/spreadsheet/ccc?key=blah-blah-blah-blah#gid=1
https://stackoverflow.com/questions/1234567/blah-blah-blah-blah
http://www.domain.com
https://www.other-domain.com/whatever/blah/blah/?v1=0&v2=blah+blah ...

输出：

docs.google.com
stackoverflow.com
www.domain.com
www.other-domain.com

Answer 1

使用Python 内置的模块 urlparse

from urlparse import *
url = 'https://docs.google.com/spreadsheet/ccc?key=blah-blah-blah-blah#gid=1'
result = urlparse(url)

result 包含了URL的所有信息

Answer 2

原文出处：Python实用脚本清单

从URL中提取域名

def extractDomainFromURL(url):
    """Get domain name from url"""
    from urlparse import urlparse
    parsed_uri = urlparse(url)
    domain = '{uri.netloc}'.format(uri=parsed_uri)
    return domain

Answer 3

python3.7要这样导入包

from urllib.parse import urlparse

url = """https://www.jiazhao.com/jiaojingshoushi/169/"""
parse_result = urlparse(url)
print(parse_result )

ParseResult(scheme='https', netloc='www.jiazhao.com', path='/jiaojingshoushi/', params='', query='', fragment='')