lsst.daf.base  14.0-4-ge2d7f21+1
dateTimeContinued.py
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1 #
2 # LSST Data Management System
3 #
4 # Copyright 2008-2017 AURA/LSST.
5 #
6 # This product includes software developed by the
7 # LSST Project (http://www.lsst.org/).
8 #
9 # This program is free software: you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation, either version 3 of the License, or
12 # (at your option) any later version.
13 #
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
18 #
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21 # see <http://www.lsstcorp.org/LegalNotices/>.
22 #
23 
24 from __future__ import absolute_import, division, print_function
25 
26 __all__ = []
27 
28 from lsst.utils import continueClass
29 
30 from .dateTime import DateTime
31 
32 
33 @continueClass # noqa F811
34 class DateTime:
35 
36  def toPython(self, timescale=None):
37  """Convert a DateTime to Python's datetime
38 
39  @param timescale Timescale for resultant datetime
40  """
41  import datetime
42  nsecs = self.nsecs(timescale) if timescale is not None else self.nsecs()
43  return datetime.datetime.utcfromtimestamp(nsecs/10**9)
44 
45  def __repr__(self):
46  if self.isValid():
47  return "DateTime(\"{}\", TAI)".format(self.toString(DateTime.TAI))
48  else:
49  return "DateTime()"
50 
51  def __reduce__(self):
52  return (DateTime, (self.nsecs(), ))