[Python-Dev] Re: opcode performance measurements (original) (raw)

M.-A. Lemburg mal@lemburg.com
Fri, 01 Feb 2002 11:21:14 +0100

Jeremy Hylton wrote:

>>>>> "GM" == Gordon McMillan <gmcm@hypernet.com> writes: GM> Heck, Marc-Andre tricks import so that pkg.mod is really GM> pkg.attr where the attr turns into a mod when accessed. No GM> problem, since it's only import that cares what it is. By the GM> time it's used it's always global.attr.attr.... Not sure I understand what Marc-Andre is doing. (That's probably true in general .) A client of his code types "import foo.bar." foo is a module? a package? When the "bar" attribute is loaded (LOADATTR) is turns into another module?

Take a look at e.g. mx.DateTime.init and the included LazyModule module for more background.

I don't really use that approach myself, but sometimes it can be handy to be able to reference modules in packages without requiring an import of them, e.g.

import mx.DateTime date = mx.DateTime.Parser.DateTimeFromString('2002-02-01')

-- Marc-Andre Lemburg CEO eGenix.com Software GmbH

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