/usr/lib/python2.7/dist-packages/cvs2svn_lib/time_range.py is in cvs2svn 2.4.0-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | # (Be in -*- python -*- mode.)
#
# ====================================================================
# Copyright (c) 2006-2008 CollabNet. All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://subversion.tigris.org/license-1.html.
# If newer versions of this license are posted there, you may use a
# newer version instead, at your option.
#
# This software consists of voluntary contributions made by many
# individuals. For exact contribution history, see the revision
# history and logs, available at http://cvs2svn.tigris.org/.
# ====================================================================
"""This module contains a class to manage time ranges."""
class TimeRange(object):
__slots__ = ('t_min', 't_max')
def __init__(self):
# Start out with a t_min higher than any incoming time T, and a
# t_max lower than any incoming T. This way the first T will push
# t_min down to T, and t_max up to T, naturally (without any
# special-casing), and successive times will then ratchet them
# outward as appropriate.
self.t_min = 1L<<32
self.t_max = 0
def add(self, timestamp):
"""Expand the range to encompass TIMESTAMP."""
if timestamp < self.t_min:
self.t_min = timestamp
if timestamp > self.t_max:
self.t_max = timestamp
def __cmp__(self, other):
# Sorted by t_max, and break ties using t_min.
return cmp(self.t_max, other.t_max) or cmp(self.t_min, other.t_min)
def __lt__(self, other):
c = cmp(self.t_max, other.t_max)
if 0 == c:
return self.t_min < other.t_min
return c < 0
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