grabWeb.py

#!/usr/bin/env python

from urllib import urlretrieve

def firstNonBlank(lines):
 for eachLine in lines:
 if not eachLine.strip():
 continue
 else:
 return eachLine

def firstLast(webpage):
 f = open(webpage)
 lines = f.readlines()
 f.close()
 print firstnonblank(lines),
 lines.reverse()
 print firstnonblank(lines),

def download(url='http://www',
 process=firstLast):
 try:
 retval = urlretrieve(url)[0]
 except IOError:
 retval = None
 if retval: 	# do some processing
 process(retval)

if __name__ == '__main__':
 download()