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Mon Jun 6 22:06:42 CEST 2005 · https://mail.python.org/pipermail/python-dev/2005-June/054096.html

>>>>> "Barry" == Barry Warsaw <barry at python.org> writes:

    Barry> On Mon, 2005-06-06 at 14:38, Skip Montanaro wrote:
    >> import urllib
    >> from www.urllib import urlopen
    >> 
    >> the module-level code should only be executed once, and
    >> 
    >> urlopen == urllib.urlopen
    >> 
    >> should evaluate to True.

    Barry> Not to mention "urlopen is urllib.urlopen"

Whoops, yeah.  I was thinking in terms of module-level functions and
classes, where I think == is sufficient:

    >>> import foo2
    >>> foo2.f
    <function f at 0x38e6b0>
    >>> g = foo2.f
    >>> reload(foo2)
    <module 'foo2' from 'foo2.pyc'>
    >>> foo2.f == g
    False

Obviously, for data objects "is" is what you want.

Skip

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[Python-Dev] Thoughts on stdlib evolvement