#!/usr/bin/python

import inspect

class Chomper(object): 
   def __str__(self): 
      s = ''
      try: 
         frame = inspect.currentframe().f_back
         f = open(frame.f_code.co_filename, 'r')
         lines = f.readlines(frame.f_lineno)
         for i in xrange(frame.f_lineno, frame.f_code.co_firstlineno - 1, -1): 
            line = lines[i].lstrip()
            if line.startswith('for '): 
               fore = line.index(' ') + 1
               aft = fore + line[fore:].index(' ')
               varname = line[fore:aft]
               if frame.f_locals.has_key(varname): 
                  s = frame.f_locals[varname]
                  if s.endswith('\r\n'): 
                     s = s[:-2]
                  elif s.endswith('\r') or s.endswith('\n'): 
                     s = s[:-1]
               break 
      finally: del frame
      return s

chomp = Chomper()

def test(): 
   for line in ('blargh\n', 'something', 'something else\n'): 
      print chomp

if __name__=="__main__": 
   test()