On Feb 9, 2010, at 11:32 PM, mdipierro wrote:

> I had not understood. This is not about upgrading web2py but about
> upgrading an app. The fact is it is not safe to unpack an up if one
> with the same name exists. How do you know it is the same? Right now
> it simply does not allow that, it wants you uninstall first. I guess
> we override this check but first we need ask the user "overwrite?"

At the very least, the flash ought to be more helpful in this case:

OSError: [Errno 17] File exists: 'xxx'

But overriding would be nice. Is there an existing example of that kind of user 
interaction?

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