define a new func on the fly?

Christopher Li chrisl at gnuchina.org
Fri Mar 2 03:02:59 CET 2001


On Thu, 1 Mar 2001, Bruce Edge wrote:

> >>> class xx:
> ...   def __init__(self):
> ...     exec( "def yyy():  print \"yyyyyyyyy\"" )
> ...
> >>> x=xx()
> >>>
> >>> x.__dict__
> {}
>
> Where is yyy defined?
In local namespace of __init__.
>
> Ideally, I'd like to be able to create it in the global namespace.
Do yon mean in class xx?
How about

>>> class xx:
...     def __init__(self):
...         exec( "def tmp(self): print 'yyyyyy'")
...         self.yyy = tmp
...
>>> x = xx()
>>> x.__dict__
{'yyy': <function tmp at 0x81df40c>}

Chris





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