deepcopy raises TypeError for method/function?
Alex Martelli
aleaxit at yahoo.com
Thu Sep 9 17:07:20 EDT 2004
OKB (not okblacke) <BrenBarn at aol.com> wrote:
...
> deepcopy(SomeClass) just silently returns the same SomeClass object. I
> would expect deepcopy(someObj.someMethod) to do likewise, just returning
> the same method object.
>
> Does anyone have any pointers on this? It seems that certain types
> are safe to deepcopy (even if they're not actually copied) whereas
> others are not. Do I just have to manually typecheck for functions and
> methods? Are there any other types that might raise such an error?
You can use copy_reg to register an identity function as the way to
'copy' function and methods, if that floats your boat. And sure, there
are other types that raise errors, imagine copying a file object, a
socket, ...!
Alex
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