eval(repr(object)) hardly ever works

Steve Holden steve at holdenweb.com
Wed Sep 13 16:38:03 CEST 2006


Matthew Wilson wrote:
> I understand that idea of an object's __repr__ method is to return a
> string representation that can then be eval()'d back to life, but it
> seems to me that it doesn't always work. 
> 
> For example it doesn't work for instances of the object class:
> 
> In [478]: eval(repr(object()))
> ------------------------------------------------------------
>    File "<string>", line 1
>      <object object at 0xf233e8>
>      ^
> SyntaxError: invalid syntax
> 
> It seems to work for types like integers and dictionaries and lists,
> but not for much else.
> 
That's intentional. Would you have it return the code of all the methods 
when you take the repr() of a class?

regards
  Steve
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