BeautifulSoupを使って、HTMLの要素を抽出する

#import urllib
import urllib2
import urlparse
import BeautifulSoup

url = 'http://mixi.jp'
url='http://hiw.oo.kawai-juku.ac.jp/nyushi/honshi/08/'
url='http://hiw.oo.kawai-juku.ac.jp/nyushi/honshi/07/t01.html'
soup = BeautifulSoup.BeautifulSoup(urllib2.urlopen(url))
base=url
#縲€url縺ｮ蜿門ｾ・
for _a in soup.findAll('a'):
    url_fragments=_a.get('href')
    print 'url_fragments = ' + str(_a.get('href'))
    print '      urljoin = ' + urlparse.urljoin(base, url_fragments)

# 繝輔Ξ繝ｼ繝縺ｮ蜿門ｾ・
for _a in soup.findAll('frame'):
    url_fragments=_a.get('src')
    print 'url_fragments = ' + str(_a.get('src'))
    print '      urljoin = ' + urlparse.urljoin(base, url_fragments)

＝＝＝以下は訂正版＝＝＝

# -*- coding: utf-8 -*-

import urllib
import BeautifulSoup
#import urllib
import urllib2
import urlparse
import BeautifulSoup

url = 'http://mixi.jp'
url='http://hiw.oo.kawai-juku.ac.jp/nyushi/honshi/08/'
url='http://hiw.oo.kawai-juku.ac.jp/nyushi/honshi/07/t01.html'
soup = BeautifulSoup.BeautifulSoup(urllib2.urlopen(url))
base_url='http://hiw.oo.kawai-juku.ac.jp/nyushi/honshi/07/t01.html'

base_url='http://hiw.oo.kawai-juku.ac.jp/nyushi/honshi/07/'
#print soup
#print soup.prettify
#縲€url縺ｮ蜿門ｾ・
for _a in soup.findAll('frame'):
    url_fragments=_a.get('src')
    print 'url_fragments =' , url_fragments

    print 'url_fragments = ' , str(url_fragments)
    print '      urljoin = ' + urlparse.urljoin(base_url, str(url_fragments))