Accessing global namespace

[John Roth]

"Carl Banks" <imbosol at aerojockey.invalid> wrote in message
news:r%jgb.30366$541.25640 at nwrdny02.gnilink.net...
> John Roth wrote:
> >
> > "Tongu? Yumruk" <trooper at ttnet.net.tr> wrote in message
> > news:mailman.1065436150.27416.python-list at python.org...
> >> I'm trying to build a completely plug-in based system. One of my
> >> problems is importing a package dynamically. I'm trying to emulate the
> >> import command. The __import__() function or imp module doesn't help me
> >> much because they only return the module. I want to register the module
> >> with it's name in the current namespace. I can do it by:
> >>
> >> globals()[module_name] = __import__(module_name)
> >>
> >> But I don't think it's a good thing to access the global namespace
> >> directly. I prefer using setattr() but I cannot access the current
> >> namespace as an object I want something like
> >>
> >> setattr(__main__,__import__(module_name))
> >>
> >> Is that possible? I'm using Python 2.1 on Debian Woody
> >
> > The easiest way to do a dynamic import is to build an
> > import statement and feed it into the exec statement.
>
>
> Also, the best way to make your program vulnerable to abuse.
>
> Use exec only if you explicit intend to give the user the option to
> input Python code, and only if the program is not running at a higher
> privledge level than the user is.

Now, now. Did I say anything about accepting raw, unvalidated
input from the user? I certainly don't see anything about it in what
I said.

There are pleanty of things I say that you can validly assail me for.
This doesn't happen to be one of them.

John Roth
>
>
> CARL BANKS                   http://www.aerojockey.com/software
>