1######################## BEGIN LICENSE BLOCK ########################
2# Contributor(s):
3#   Dan Blanchard
4#   Ian Cordasco
5#
6# This library is free software; you can redistribute it and/or
7# modify it under the terms of the GNU Lesser General Public
8# License as published by the Free Software Foundation; either
9# version 2.1 of the License, or (at your option) any later version.
10#
11# This library is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14# Lesser General Public License for more details.
15#
16# You should have received a copy of the GNU Lesser General Public
17# License along with this library; if not, write to the Free Software
18# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
19# 02110-1301  USA
20######################### END LICENSE BLOCK #########################
21
22import sys
23
24
25if sys.version_info < (3, 0):
26    PY2 = True
27    PY3 = False
28    string_types = (str, unicode)
29    text_type = unicode
30    iteritems = dict.iteritems
31else:
32    PY2 = False
33    PY3 = True
34    string_types = (bytes, str)
35    text_type = str
36    iteritems = dict.items
37