72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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# *****************************************************************************
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc.,
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# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Module authors:
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# Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
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#
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# *****************************************************************************
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"""Define helpers"""
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import threading
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class attrdict(dict):
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"""a normal dict, providing access also via attributes"""
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def __getattr__(self, key):
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return self[key]
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def __setattr__(self, key, value):
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self[key] = value
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def clamp(_min, value, _max):
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"""return the median of 3 values,
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i.e. value if min <= value <= max, else min or max depending on which side
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value lies outside the [min..max] interval
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"""
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# return median, i.e. clamp the the value between min and max
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return sorted([_min, value, _max])[1]
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def get_class(spec):
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"""loads a class given by string in dotted notaion (as python would do)"""
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modname, classname = spec.rsplit('.', 1)
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import importlib
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module = importlib.import_module('secop.' + modname)
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# module = __import__(spec)
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return getattr(module, classname)
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def mkthread(func, *args, **kwds):
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t = threading.Thread(name='%s:%s' % (func.__module__, func.__name__),
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target=func, args=args, kwargs=kwds)
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t.daemon = True
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t.start()
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return t
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if __name__ == '__main__':
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print "minimal testing: lib"
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d = attrdict(a=1, b=2)
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_ = d.a + d['b']
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d.c = 9
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d['d'] = 'c'
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assert d[d.d] == 9
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