gistfile1.txt

# instead of:

match = someregex.match(line)
if match:
   print match.groups()
else:
   print 'boo'

# why not make use of the 'as' keyword and do something like:
if someregex.match(line) as match:
   print match.groups()
else:
   print 'boo'

# this is a horrible elif example, but similarly, it's just as nice.
if someregex.match(line) as match:
   print match.groups()
elif someregex2.match(line) as match:
   print match.groups()
else:
   print 'boo'