python sub interpreter

[Thomas Pollet]

Hello,

I want to have a python interpreter shell spawn from a python class member
function.
atm I use exec but I want something more flexible (i.e. syntax checking
while typing)

E.g.:

class blah:

    def start_shell(self):
        import sys
        dbg=self
        str=""
        while str != 'exit':
            exec str
            print 'pydbg>>',
            str=sys.stdin.readline()

etc.

Somebody knows if something like this has been done before or an easy way to
go about this?

Regards,
Thomas
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