StackExchange API Types extractor

from bs4 import BeautifulSoup as bs
import urllib2, re, bs4

def parse_type(link):
    html = urllib2.urlopen(link).read()
    soup = bs(html)
    methods = soup.find_all('div',{'class':'method'})
    retval = []
    for i in methods:
        name = i.find('div',{'class':'method-name'}).get_text()
        desc = i.find('div',{'class':'method-description'}).get_text()
        name = re.sub('\s+',' ',name.replace('\r\n','\n').replace('\n','')).strip()
        desc = re.sub('\s+',' ',desc.replace('\r\n','\n').replace('\n',''))
        desc = desc.replace('may be absent',' (1)').replace('unchanged in unsafe filters','(2)').strip()
        retval.append([name,desc])
    return retval

def return_type(s):
    s = s.replace('string','str')
    s = s.replace('integer','int')
    s = s.replace('boolean','bool')
    if 'array' in s:
        return 'array(%s)' % (s[s.find('array')+9:].split()[0],)
    return s

url = 'https://api.stackexchange.com/docs?tab=type#docs'
url_base = 'https://api.stackexchange.com'
html = urllib2.urlopen(url).read()
soup = bs(html)

obj_re = re.compile(r'.*Each of these methods returns (.+) objects..*')
url1_re = re.compile(r'/docs/types/(.+)')
url2_re = re.compile(r'/docs/(.+)')
links = []
l1 = soup.find_all('a',{'href':url1_re})
l2 = [url_base+i['href'] for i in l1]
l3 = [i.get_text().replace('objects','').strip() for i in l1]

two_1 = {}
w1 = max(map(len,l3))
w2 = 28

for i in range(len(l2)):
    first = True
    url, obj, info = l2[i], l3[i], parse_type(l2[i])
    for i in info:
        if '2.1' in i[0]:
            i[0] = i[0].replace('2.1','').strip()
            if obj not in two_1:
                two_1[obj] = []
            two_1[obj].append(i)
        elif first:
            print obj.ljust(w1),'|',i[0].ljust(w2),'|',return_type(i[1])
            first = False
        else:
            print ' '*w1,'|',i[0].ljust(w2),'|',return_type(i[1])
    if not first:
        print '-'*(w1+w2+30)
print '</pre>'
print 'v2.1 Specific methods'
print '<pre>'
for obj in two_1:
    first = True
    for i in two_1[obj]:
        if first:
            print obj.ljust(w1),'|',i[0].ljust(w2),'|',return_type(i[1])
            first = False
        else:
            print ' '*w1,'|',i[0].ljust(w2),'|',return_type(i[1])
    if not first:
        print '-'*(w1+w2+30)