On Sun, Apr 20, 2003, David Abrahams wrote: > Aahz <aahz@pythoncraft.com> writes: >> On Sun, Apr 20, 2003, David Abrahams wrote: >>> Aahz <aahz@pythoncraft.com> writes: >>>> On Sun, Apr 20, 2003, David Abrahams wrote: >>>>> >>>>> I think I need a way to temporarily (from 'C'), arrange to be notified >>>>> just before and just after a new extension module is loaded. Is this >>>>> possible? I didn't see anything obvious in the source. BTW, I'd be >>>>> just as happy if it were possible to do the same thing for any module >>>>> (i.e., not discriminating between extension and pure python modules). >>>> >>>> http://www.python.org/peps/pep-0302.html >>> >>> I guess I should take that to mean "you can't do that yet" (?) >> >> As the PEP says, you *could* define an __import__ hook, but that would >> likely be more effort than you want. > > It also says: > > The situation gets worse when you need to extend the import > mechanism from C: it's currently impossible, apart from hacking > Python's import.c or reimplementing much of import.c from scratch. > > OTOH, it's not obvious to me why this should be so. Can't I > access/replace builtins.__import__ from C/C++? Sure, but then you need to replace import.c, just as it says. I'd be inclined to do the heavy lifting in Python with a callback into C code (after all, you're not calling it so frequently as to make it a performance issue). -- Aahz (aahz@pythoncraft.com) <*> http://www.pythoncraft.com/ Why is this newsgroup different from all other newsgroups?
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