python:解析URL

# python2.7
import urlparse
parsed_data = urlparse.urlparse(url)
path = parsed_data.path
query = urlparse.parse_qs(parsed_data.query)

# py2.7 这里的返回值是上面的urlparser返回的。需要特别处理一下。
import urllib
query = [(k, v) for k, vlist in query.iteritems() for v in vlist]
query = urllib.urlencode(query)

import urlparse
import urllib
import time

url_enable_query = set(["rs_id"])
def remove_url_query(url):
    parsed_data = urlparse.urlparse(url)
    path = parsed_data.path
    query = urlparse.parse_qs(parsed_data.query)

    query = [(k, v) for k, vlist in query.iteritems() if k in url_enable_query for v in vlist ]
    query = urllib.urlencode(query)
    return "{}?{}".format(path, query)

import urlparse
import urllib
import time

url_enable_query = set(["rs_id"])
def remove_url_query2(url):
    parsed_data = url.split("?")
    path = parsed_data[0]
    if len(parsed_data) == 1:
        return path

    query = parsed_data[1]
    query = query.split("&")
    query = "&".join([x for x in query if x.split("=")[0] in url_enable_query])
    return "{}?{}".format(path, query)