/usr/share/pyshared/zope/dottedname/resolve.py is in python-zope.dottedname 3.4.6-5.
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#
# Copyright (c) 2004 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Dotted name support
$Id: resolve.py 38682 2005-09-29 09:12:45Z jim $
"""
def resolve(name, module=None):
name = name.split('.')
if not name[0]:
if module is None:
raise ValueError("relative name without base module")
module = module.split('.')
name.pop(0)
while not name[0]:
module.pop()
name.pop(0)
name = module + name
used = name.pop(0)
found = __import__(used)
for n in name:
used += '.' + n
try:
found = getattr(found, n)
except AttributeError:
__import__(used)
found = getattr(found, n)
return found
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