[Python-Dev] Re: Dynamic nested scopes

[Barry A. Warsaw]

>>>>> "GvR" == Guido van Rossum <guido@python.org> writes:

    GvR> That's up for discussion.  Note that the open() function is
    GvR> special in this respect -- I don't see you doing the same to
    GvR> range() or hash().

Me neither, but special casing overridability seems like a fragile
hack.

    GvR> If this is deemed a useful feature (for open()), we can make
    GvR> a rule about which built-ins you cannot override like this
    GvR> and which ones you can.

Hmm, maybe we need __open__() and an open-hook? ;)

-Barry