purge_list.py
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	# Copyright (C) 2018 by the RROMPy authors
	#
	# This file is part of RROMPy.
	#
	# RROMPy is free software: you can redistribute it and/or modify
	# it under the terms of the GNU Lesser General Public License as published by
	# the Free Software Foundation, either version 3 of the License, or
	# (at your option) any later version.
	#
	# RROMPy 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 Lesser General Public License for more details.
	#
	# You should have received a copy of the GNU Lesser General Public License
	# along with RROMPy. If not, see <http://www.gnu.org/licenses/>.
	#

	from rrompy.utilities.base.find_dict_str_key import findDictStrKey
	from rrompy.utilities.base.types import ListAny
	from rrompy.utilities.warning_manager import warn

	__all__ = ['purgeList']

	def purgeList(lst:ListAny, allowedEntries : ListAny = [],
	silent : bool = False, complement : bool = False,
	listname : str = "", baselevel : int = 0) -> ListAny:
	if listname != "":
	listname = " in " + listname
	lstcp = []
	for x in lst:
	ax = findDictStrKey(x, allowedEntries)
	if (ax is None) != complement:
	if not silent:
	warn("Ignoring entry {0}{1}.".format(x, listname), baselevel)
	else:
	lstcp = lstcp + [ax]
	return lstcp