/usr/lib/python2.7/dist-packages/pycalendar/period.py is in python-pycalendar 2.1~svn15020-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (c) 2007-2013 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 xmldefinitions, xmlutils
from pycalendar.datetime import DateTime
from pycalendar.duration import Duration
from pycalendar.valueutils import ValueMixin
import xml.etree.cElementTree as XML
class Period(ValueMixin):
def __init__(self, start=None, end=None, duration=None):
self.mStart = start if start is not None else DateTime()
if end is not None:
self.mEnd = end
self.mDuration = None
self.mUseDuration = False
elif duration is not None:
self.mDuration = duration
self.mEnd = None
self.mUseDuration = True
else:
self.mEnd = self.mStart.duplicate()
self.mDuration = None
self.mUseDuration = False
def duplicate(self):
if self.mUseDuration:
other = Period(start=self.mStart.duplicate(), duration=self.mDuration.duplicate())
else:
other = Period(start=self.mStart.duplicate(), end=self.mEnd.duplicate())
return other
def __hash__(self):
return hash((self.mStart, self.getEnd(),))
def __repr__(self):
return "Period %s" % (self.getText(),)
def __str__(self):
return self.getText()
def __eq__(self, comp):
return self.mStart == comp.mStart and self.getEnd() == comp.getEnd()
def __gt__(self, comp):
return self.mStart > comp
def __lt__(self, comp):
return self.mStart < comp.mStart \
or (self.mStart == comp.mStart) and self.getEnd() < comp.getEnd()
@classmethod
def parseText(cls, data):
period = cls()
period.parse(data)
return period
def parse(self, data, fullISO=False):
try:
splits = data.split('/', 1)
if len(splits) == 2:
start = splits[0]
end = splits[1]
self.mStart.parse(start, fullISO)
if end[0] == 'P':
self.mDuration = Duration.parseText(end)
self.mUseDuration = True
self.mEnd = None
else:
self.mEnd.parse(end, fullISO)
self.mUseDuration = False
self.mDuration = None
else:
raise ValueError
except IndexError:
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, xmlutils.makeTag(namespace, xmldefinitions.period_start))
start.text = self.mStart.getXMLText()
if self.mUseDuration:
duration = XML.SubElement(node, xmlutils.makeTag(namespace, xmldefinitions.period_duration))
duration.text = self.mDuration.getText()
else:
end = XML.SubElement(node, xmlutils.makeTag(namespace, xmldefinitions.period_end))
end.text = self.mEnd.getXMLText()
def parseJSON(self, jobject):
"""
jCal encodes this as an array of two values. We convert back into a single "/"
separated string and parse as normal.
"""
self.parse("%s/%s" % tuple(jobject), True)
def writeJSON(self, jobject):
"""
jCal encodes this value as an array with two components.
"""
value = [self.mStart.getXMLText(), ]
if self.mUseDuration:
value.append(self.mDuration.getText())
else:
value.append(self.mEnd.getXMLText())
jobject.append(value)
def getStart(self):
return self.mStart
def getEnd(self):
if self.mEnd is None:
self.mEnd = self.mStart + self.mDuration
return self.mEnd
def getDuration(self):
if self.mDuration is None:
self.mDuration = self.mEnd - self.mStart
return self.mDuration
def getUseDuration(self):
return self.mUseDuration
def setUseDuration(self, use):
self.mUseDuration = use
if self.mUseDuration and self.mDuration is None:
self.getDuration()
elif not self.mUseDuration and self.mEnd is None:
self.getEnd()
def isDateWithinPeriod(self, dt):
# Inclusive start, exclusive end
return dt >= self.mStart and dt < self.getEnd()
def isDateBeforePeriod(self, dt):
# Inclusive start
return dt < self.mStart
def isDateAfterPeriod(self, dt):
# Exclusive end
return dt >= self.getEnd()
def isPeriodOverlap(self, p):
# Inclusive start, exclusive end
return not (self.mStart >= p.getEnd() or self.getEnd() <= p.mStart)
def adjustToUTC(self):
self.mStart.adjustToUTC()
self.getEnd().adjustToUTC()
def describeDuration(self):
return ""
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