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# 

# LSST Data Management System 

# 

# Copyright 2008-2017 AURA/LSST. 

# 

# 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 __future__ import absolute_import, division, print_function 

 

__all__ = [] 

 

from lsst.utils import continueClass 

 

from .dateTime import DateTime 

 

 

@continueClass # noqa F811 

class DateTime: 

 

def toPython(self, timescale=None): 

"""Convert a DateTime to Python's datetime 

 

@param timescale Timescale for resultant datetime 

""" 

import datetime 

nsecs = self.nsecs(timescale) if timescale is not None else self.nsecs() 

return datetime.datetime.utcfromtimestamp(nsecs/10**9) 

 

def __repr__(self): 

if self.isValid(): 

return "DateTime(\"{}\", TAI)".format(self.toString(DateTime.TAI)) 

else: 

return "DateTime()" 

 

def __reduce__(self): 

return (DateTime, (self.nsecs(), ))