[issue12915] Add inspect.locate and inspect.resolve

[Vinay Sajip]

Vinay Sajip <vinay_sajip at yahoo.co.uk> added the comment:

The version in logging.config appears to be doing the same job, but is shorter:

def _resolve(name):
    """Resolve a dotted name to a global object."""
    name = name.split('.')
    used = name.pop(0)
    found = __import__(used)
    for n in name:
        used = used + '.' + n
        try:
            found = getattr(found, n)
        except AttributeError:
            __import__(used)
            found = getattr(found, n)
    return found

The line "used = used + '.' + n" could of course be improved.

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nosy: +vinay.sajip

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<http://bugs.python.org/issue12915>
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