The 'code' module contains 'Utilities needed to emulate Python's interactive interpreter.'. By subclassing code.InteractiveConsole and replacing the raw_input method with one which reads from a file, I think you can get what you want.
The example below the classes uses StringIO so that it can be self-contained, but you'll probably use a regular file instead. import code, sys class BoPeng(code.InteractiveConsole): def __init__(self, locals=None, filename="<console>", file = None): self.file = file or open(filename) code.InteractiveConsole.__init__(self, locals, filename) def raw_input(self, prompt): l = self.file.readline() if l == '': raise EOFError sys.stdout.write(prompt + l) return l.strip("\n") session = '''\ print 3+3 for i in range(10): print i print "Example of a traceback:" 1/0 ''' import StringIO b = BoPeng(file = StringIO.StringIO(session)) b.interact(None)
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