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# 

# LSST Data Management System 

# Copyright 2008-2016 LSST Corporation. 

# 

# This product includes software developed by the 

# LSST Project (http://www.lsst.org/). 

# 

# This program 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 3 of the License, or 

# (at your option) any later version. 

# 

# This program 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 LSST License Statement and 

# the GNU General Public License along with this program. If not, 

# see <http://www.lsstcorp.org/LegalNotices/>. 

# 

 

from builtins import object 

 

 

class NamedClassFactory(object): 

"""Create a new "name" class object 

 

Parameters 

---------- 

name : `str` 

the fully qualified name of an object 

 

Returns 

------- 

classobj : `object` 

an object of the specified name 

""" 

 

def createClass(name): 

dot = name.rindex('.') 

pack = name[0:dot] 

modname = name[dot+1:] 

modname = modname[0].capitalize()+modname[1:] 

# -1 is no longer accepted in python 3 

# module = __import__(name, globals(), locals(), [modname], -1) 

module = __import__(name, globals(), locals(), [modname], 0) 

classobj = getattr(module, modname) 

if classobj is None: 

raise RuntimeError("Attempt to instantiate class \"" + name + 

"\" failed. Could not find that class.") 

return classobj 

 

# static method to createClasso 

 

createClass = staticmethod(createClass)