/usr/lib/python2.7/dist-packages/pycalendar/period.py is in python-pycalendar 2.0~svn13177-1.
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# Copyright (c) 2007-2012 Cyrus Daboo. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
from pycalendar import xmldefs
from pycalendar.datetime import PyCalendarDateTime
from pycalendar.duration import PyCalendarDuration
from pycalendar.valueutils import ValueMixin
import xml.etree.cElementTree as XML
class PyCalendarPeriod(ValueMixin):
def __init__(self, start=None, end=None, duration=None):
self.mStart = start if start is not None else PyCalendarDateTime()
if end is not None:
self.mEnd = end
self.mDuration = self.mEnd - self.mStart
self.mUseDuration = False
elif duration is not None:
self.mDuration = duration
self.mEnd = self.mStart + self.mDuration
self.mUseDuration = True
else:
self.mEnd = self.mStart.duplicate()
self.mDuration = PyCalendarDuration()
self.mUseDuration = False
def duplicate(self):
other = PyCalendarPeriod(start=self.mStart.duplicate(), end=self.mEnd.duplicate())
other.mUseDuration = self.mUseDuration
return other
def __hash__(self):
return hash((self.mStart, self.mEnd,))
def __repr__(self):
return "PyCalendarPeriod %s" % (self.getText(),)
def __str__(self):
return self.getText()
def __eq__(self, comp):
return self.mStart == comp.mStart and self.mEnd == comp.mEnd
def __gt__(self, comp):
return self.mStart > comp
def __lt__(self, comp):
return self.mStart < comp.mStart \
or (self.mStart == comp.mStart) and self.mEnd < comp.mEnd
@classmethod
def parseText(cls, data):
period = cls()
period.parse(data)
return period
def parse(self, data):
splits = data.split('/', 1)
if len(splits) == 2:
start = splits[0]
end = splits[1]
self.mStart.parse(start)
if end[0] == 'P':
self.mDuration.parse(end)
self.mUseDuration = True
self.mEnd = self.mStart + self.mDuration
else:
self.mEnd.parse(end)
self.mUseDuration = False
self.mDuration = self.mEnd - self.mStart
else:
raise ValueError
def generate(self, os):
try:
self.mStart.generate(os)
os.write("/")
if self.mUseDuration:
self.mDuration.generate(os)
else:
self.mEnd.generate(os)
except:
pass
def writeXML(self, node, namespace):
start = XML.SubElement(node, xmldefs.makeTag(namespace, xmldefs.period_start))
start.text = self.mStart.getXMLText()
if self.mUseDuration:
duration = XML.SubElement(node, xmldefs.makeTag(namespace, xmldefs.period_duration))
duration.text = self.mDuration.getText()
else:
end = XML.SubElement(node, xmldefs.makeTag(namespace, xmldefs.period_end))
end.text = self.mEnd.getXMLText()
def getStart(self):
return self.mStart
def getEnd(self):
return self.mEnd
def getDuration(self):
return self.mDuration
def getUseDuration(self):
return self.mUseDuration
def setUseDuration(self, use):
self.mUseDuration = use
def isDateWithinPeriod(self, dt):
# Inclusive start, exclusive end
return dt >= self.mStart and dt < self.mEnd
def isDateBeforePeriod(self, dt):
# Inclusive start
return dt < self.mStart
def isDateAfterPeriod(self, dt):
# Exclusive end
return dt >= self.mEnd
def isPeriodOverlap(self, p):
# Inclusive start, exclusive end
return not (self.mStart >= p.mEnd or self.mEnd <= p.mStart)
def adjustToUTC(self):
self.mStart.adjustToUTC()
self.mEnd.adjustToUTC()
def describeDuration(self):
return ""
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