On Tue, May 3, 2011 at 2:47 PM, Chris Angelico <ros...@gmail.com> wrote: > On Wed, May 4, 2011 at 2:57 AM, Chris Rebert <c...@rebertia.com> wrote: >> from foo import * >> >> can be thought of as essentially doing: >> >> import foo >> set = foo.set >> var = foo.var >> del foo > > Here's a side point. What types will hold a reference to the enclosing > module (or at least its dictionary)? Would it be possible to use a > from import to load a module, then "lose" the module even though > you're using objects from it? > > I am guessing that a function or class will hold such a reference, > because otherwise it would be a bit awkward for them to use any sort > of module-level state. Or do they not, and instead go look for their > module in sys.modules?
some_python_function.__globals__ is the exact reference you postulated. Classes don't seem to hold such references; their methods do though (by virtue of being function objects), which makes sense. Cheers, Chris -- http://rebertia.com -- http://mail.python.org/mailman/listinfo/python-list
