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39 lines
1.3 KiB
39 lines
1.3 KiB
# Copyright(c) 2007-2010 by Lorenzo Gil Sanchez <lorenzo.gil.sanchez@gmail.com>
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# 2009-2010 by Yaco S.L. <lgs@yaco.es>
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#
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# This file is part of PyCha.
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#
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# PyCha is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# PyCha is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with PyCha. If not, see <http://www.gnu.org/licenses/>.
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def clamp(minValue, maxValue, value):
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"""Make sure value is between minValue and maxValue"""
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if value < minValue:
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return minValue
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if value > maxValue:
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return maxValue
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return value
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def safe_unicode(obj, encoding=None):
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"""Return a unicode value from the argument"""
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if isinstance(obj, unicode):
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return obj
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elif isinstance(obj, str):
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if encoding is None:
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return unicode(obj)
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else:
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return unicode(obj, encoding)
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else:
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# it may be an int or a float
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return unicode(obj)
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