I want to use eval to evaluate wx.TextCtrl inputs. How can I keep python
from adding the __builtins__ key to mydict when I use it with eval? Other
wise I have to __delitem__('__builtins__') everytime I use eval?
>>> mydict = {'a':2,'b':3}
>>> eval('a*b',mydict)
6
>>> mydict
{'a': 2, '__builtins__': {'IndexError': <type 'exceptions.IndexError'>,
...(I'll spare you the rest)...}, 'b': 3}
Also, how come eval has this behavior? Is it desirable?
-Bill
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