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# Copyright(c) 2007-2010 by Lorenzo Gil Sanchez <lorenzo.gil.sanchez@gmail.com>
# 2009-2010 by Yaco S.L. <lgs@yaco.es>
#
# This file is part of PyCha.
#
# PyCha 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.
#
# PyCha 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 PyCha. If not, see <http://www.gnu.org/licenses/>.
def clamp(minValue, maxValue, value):
"""Make sure value is between minValue and maxValue"""
if value < minValue:
return minValue
if value > maxValue:
return maxValue
return value
def safe_unicode(obj, encoding=None):
"""Return a unicode value from the argument"""
if isinstance(obj, unicode):
return obj
elif isinstance(obj, str):
if encoding is None:
return unicode(obj)
else:
return unicode(obj, encoding)
else:
# it may be an int or a float
return unicode(obj)
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