intbitset_helper.py
fc4067d15b19maint-2.1

intbitset_helper.py
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			## This file is part of Invenio.
			## Copyright (C) 2007, 2008, 2009, 2010, 2011 CERN.
			##
			## Invenio is free software; you can redistribute it and/or
			## modify it under the terms of the GNU General Public License as
			## published by the Free Software Foundation; either version 2 of the
			## License, or (at your option) any later version.
			##
			## Invenio is distributed in the hope that it will be useful, but
			## WITHOUT ANY WARRANTY; without even the implied warranty of
			## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
			## General Public License for more details.
			##
			## You should have received a copy of the GNU General Public License
			## along with Invenio; if not, write to the Free Software Foundation, Inc.,
			## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.

			"""
			This function is needed only when load a pickled instanced of intbitset.
			It needs to be stored in a real .py file, because currently cython
			would have instantiate such a function as built-in function.
			"""

			def _(dump):
			"""
			As part of the pickle protocol, a callable that will instantiate
			the class is needed.
			It's called _ just to make it short and hidden :-)
			"""
			from invenio.intbitset import intbitset
			return intbitset(dump)