Python從URL提取域名

Question

Python如何從URL中提取網域名稱？ url有各種格式的如下：

輸入：

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 ...

輸出：

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

Answer 1

使用Python 內建的模組 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的所有資訊

Answer 2

原文出處：Python實用腳本清單

從URL中提取網域

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