/usr/share/pyshared/pycalendar/component.py is in python-pycalendar 2.0~svn188-1.
This file is owned by root:root, with mode 0o644.
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# Copyright (c) 2007-2011 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 definitions
from pycalendar import stringutils
from pycalendar.componentbase import PyCalendarComponentBase
from pycalendar.datetime import PyCalendarDateTime
from pycalendar.property import PyCalendarProperty
import os
import time
import uuid
class PyCalendarComponent(PyCalendarComponentBase):
uid_ctr = 1
def __init__(self, parent=None):
super(PyCalendarComponent, self).__init__(parent)
self.mUID = ""
self.mSeq = 0
self.mOriginalSeq = 0
self.mChanged = False
def duplicate(self, parent=None, **args):
other = super(PyCalendarComponent, self).duplicate(parent=parent, **args)
other.mUID = self.mUID
other.mSeq = self.mSeq
other.mOriginalSeq = self.mOriginalSeq
other.mChanged = self.mChanged
return other
def __repr__(self):
return "%s: UID: %s" % (self.getType(), self.getMapKey(),)
def getMimeComponentName(self):
raise NotImplementedError
def getMapKey(self):
if hasattr(self, "mMapKey"):
return self.mMapKey
elif self.mUID:
return self.mUID
else:
self.mMapKey = str(uuid.uuid4())
return self.mMapKey
def getSortKey(self):
return self.getMapKey()
def getMasterKey(self):
return self.mUID
def getUID(self):
return self.mUID
def setUID(self, uid):
if uid:
self.mUID = uid
else:
# Get left-side of UID (first 24 chars of MD5 digest of time, pid
# and ctr)
lhs_txt = ""
lhs_txt += str(time.time())
lhs_txt += "."
lhs_txt += str(os.getpid())
lhs_txt += "."
lhs_txt += str(PyCalendarComponent.uid_ctr)
PyCalendarComponent.uid_ctr += 1
lhs = stringutils.md5digest(lhs_txt)
# Get right side (domain) of message-id
rhs = None
# Use app name
from pycalendar.calendar import PyCalendar
domain = PyCalendar.sDomain
domain += str(PyCalendarComponent.uid_ctr)
# Use first 24 chars of MD5 digest of the domain as the
# right-side of message-id
rhs = stringutils.md5digest(domain)
# Generate the UID string
new_uid = lhs
new_uid += "@"
new_uid += rhs
self.mUID = new_uid
self.removeProperties(definitions.cICalProperty_UID)
prop = PyCalendarProperty(definitions.cICalProperty_UID, self.mUID)
self.addProperty(prop)
def getSeq(self):
return self.mSeq
def setSeq(self, seq):
self.mSeq = seq
self.removeProperties(definitions.cICalProperty_SEQUENCE)
prop = PyCalendarProperty(definitions.cICalProperty_SEQUENCE, self.mSeq)
self.addProperty(prop)
def getOriginalSeq(self):
return self.mOriginalSeq
def getChanged(self):
return self.mChanged
def setChanged(self, changed):
self.mChanged = changed
def initDTSTAMP(self):
self.removeProperties(definitions.cICalProperty_DTSTAMP)
prop = PyCalendarProperty(definitions.cICalProperty_DTSTAMP,
PyCalendarDateTime.getNowUTC())
self.addProperty(prop)
def updateLastModified(self):
self.removeProperties(definitions.cICalProperty_LAST_MODIFIED)
prop = PyCalendarProperty(definitions.cICalProperty_LAST_MODIFIED,
PyCalendarDateTime.getNowUTC())
self.addProperty(prop)
def finalise(self):
# Get UID
temps = self.loadValueString(definitions.cICalProperty_UID)
if temps is not None:
self.mUID = temps
# Get SEQ
temp = self.loadValueInteger(definitions.cICalProperty_SEQUENCE)
if temp is not None:
self.mSeq = temp
# Cache the original sequence when the component is read in.
# This will be used to synchronise changes between two instances of the
# same calendar
self.mOriginalSeq = self.mSeq
def canGenerateInstance(self):
return True
def getTimezones(self, tzids):
# Look for all date-time properties
for props in self.mProperties.itervalues():
for prop in props:
# Try to get a date-time value from the property
dtv = prop.getDateTimeValue()
if dtv is not None:
# Add timezone id if appropriate
if dtv.getValue().getTimezoneID():
tzids.add(dtv.getValue().getTimezoneID())
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