NSODatabase.py

import urllib2
f = open('NSOdatabase.html','w')
prefix = raw_input('Enter Prefix:')
lowerlimit = raw_input('Start From:')
upperlimit = raw_input('End at:')
for i in xrange(int(lowerlimit), int(upperlimit)+1):
    rolln = str(i)
    if len(rolln) < 3:
        rolln = ('0'*(3-len(rolln))) + rolln
    rolln = prefix + rolln
    print 'FETCHING', rolln
    try:
        nso = urllib2.urlopen("http://sofworld.org/nso-result/"+rolln)
        text = nso.read()
        index1 = text.find('<!--CONTENT-->')
        index2 = text.find('<!--END CONTENT-->')
        text = text[index1:index2+18]
        f.write(text)
        f.write('<hr>')
        print 'SUCCESSFUL'
    except:
        f.write('<hr> <h1>'+'Error with roll' + rolln +'</h1> <hr>')
        print 'Error!'