1 import sys

     2 

     3 globalvars = {}

     4 localvars = {}

     5 lines = sys.stdin.readlines()

     6 while lines:

     7     l = lines.pop(0)

     8     if l.startswith('SALT'):

     9         print l[:-1]

    10     elif l.startswith('>>> '):

    11         snippet = l[4:]

    12         while lines and lines[0].startswith('... '):

    13             l = lines.pop(0)

    14             snippet += "\n" + l[4:]

    15         c = compile(snippet, '<heredoc>', 'single')

    16         try:

    17             exec c in globalvars, localvars

    18         except Exception, inst:

    19             print repr(inst)