/usr/lib/python2.7/dist-packages/pycalendar/vfreebusy.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 definitions
from pycalendar import itipdefinitions
from pycalendar.component import PyCalendarComponent
from pycalendar.datetime import PyCalendarDateTime
from pycalendar.freebusy import PyCalendarFreeBusy
from pycalendar.icalendar.validation import ICALENDAR_VALUE_CHECKS
from pycalendar.period import PyCalendarPeriod
from pycalendar.periodvalue import PyCalendarPeriodValue
from pycalendar.property import PyCalendarProperty
from pycalendar.value import PyCalendarValue
class PyCalendarVFreeBusy(PyCalendarComponent):
propertyCardinality_1 = (
definitions.cICalProperty_DTSTAMP,
definitions.cICalProperty_UID,
)
propertyCardinality_0_1 = (
definitions.cICalProperty_CONTACT,
definitions.cICalProperty_DTSTART,
definitions.cICalProperty_DTEND,
definitions.cICalProperty_ORGANIZER,
definitions.cICalProperty_URL,
)
propertyValueChecks = ICALENDAR_VALUE_CHECKS
def __init__(self, parent=None):
super(PyCalendarVFreeBusy, self).__init__(parent=parent)
self.mStart = PyCalendarDateTime()
self.mHasStart = False
self.mEnd = PyCalendarDateTime()
self.mHasEnd = False
self.mDuration = False
self.mCachedBusyTime = False
self.mSpanPeriod = None
self.mBusyTime = None
def duplicate(self, parent=None):
other = super(PyCalendarVFreeBusy, self).duplicate(parent=parent)
other.mStart = self.mStart.duplicate()
other.mHasStart = self.mHasStart
other.mEnd = self.mEnd.duplicate()
other.mHasEnd = self.mHasEnd
other.mDuration = self.mDuration
other.mCachedBusyTime = False
other.mBusyTime = None
return other
def getType(self):
return definitions.cICalComponent_VFREEBUSY
def getMimeComponentName(self):
return itipdefinitions.cICalMIMEComponent_VFREEBUSY
def finalise(self):
# Do inherited
super(PyCalendarVFreeBusy, self).finalise()
# Get DTSTART
temp = self.loadValueDateTime(definitions.cICalProperty_DTSTART)
self.mHasStart = temp is not None
if self.mHasStart:
self.mStart = temp
# Get DTEND
temp = self.loadValueDateTime(definitions.cICalProperty_DTEND)
if temp is None:
# Try DURATION instead
temp = self.loadValueDuration(definitions.cICalProperty_DURATION)
if temp is not None:
self.mEnd = self.mStart + temp
self.mDuration = True
else:
# Force end to start, which will then be fixed to sensible
# value later
self.mEnd = self.mStart
else:
self.mHasEnd = True
self.mDuration = False
self.mEnd = temp
def fixStartEnd(self):
# End is always greater than start if start exists
if self.mHasStart and self.mEnd <= self.mStart:
# Use the start
self.mEnd = self.mStart.duplicate()
self.mDuration = False
# Adjust to appropiate non-inclusive end point
if self.mStart.isDateOnly():
self.mEnd.offsetDay(1)
# For all day events it makes sense to use duration
self.mDuration = True
else:
# Use end of current day
self.mEnd.offsetDay(1)
self.mEnd.setHHMMSS(0, 0, 0)
def getStart(self):
return self.mStart
def hasStart(self):
return self.mHasStart
def getEnd(self):
return self.mEnd
def hasEnd(self):
return self.mHasEnd
def useDuration(self):
return self.mDuration
def getSpanPeriod(self):
return self.mSpanPeriod
def getBusyTime(self):
return self.mBusyTime
def editTiming(self):
# Updated cached values
self.mHasStart = False
self.mHasEnd = False
self.mDuration = False
self.mStart.setToday()
self.mEnd.setToday()
# Remove existing DTSTART & DTEND & DURATION & DUE items
self.removeProperties(definitions.cICalProperty_DTSTART)
self.removeProperties(definitions.cICalProperty_DTEND)
self.removeProperties(definitions.cICalProperty_DURATION)
def editTimingStartEnd(self, start, end):
# Updated cached values
self.mHasStart = self.mHasEnd = True
self.mStart = start
self.mEnd = end
self.mDuration = False
self.fixStartEnd()
# Remove existing DTSTART & DTEND & DURATION & DUE items
self.removeProperties(definitions.cICalProperty_DTSTART)
self.removeProperties(definitions.cICalProperty_DTEND)
self.removeProperties(definitions.cICalProperty_DURATION)
# Now create properties
prop = PyCalendarProperty(definitions.cICalProperty_DTSTART, start)
self.addProperty(prop)
# If its an all day event and the end one day after the start, ignore it
temp = start.duplicate()
temp.offsetDay(1)
if not start.isDateOnly() or end != temp:
prop = PyCalendarProperty(definitions.cICalProperty_DTEND, end)
self.addProperty(prop)
def editTimingStartDuration(self, start, duration):
# Updated cached values
self.mHasStart = True
self.mHasEnd = False
self.mStart = start
self.mEnd = start + duration
self.mDuration = True
# Remove existing DTSTART & DTEND & DURATION & DUE items
self.removeProperties(definitions.cICalProperty_DTSTART)
self.removeProperties(definitions.cICalProperty_DTEND)
self.removeProperties(definitions.cICalProperty_DURATION)
self.removeProperties(definitions.cICalProperty_DUE)
# Now create properties
prop = PyCalendarProperty(definitions.cICalProperty_DTSTART, start)
self.addProperty(prop)
# If its an all day event and the duration is one day, ignore it
if (not start.isDateOnly() or (duration.getWeeks() != 0)
or (duration.getDays() > 1)):
prop = PyCalendarProperty(definitions.cICalProperty_DURATION, duration)
self.addProperty(prop)
# Generating info
def expandPeriodComp(self, period, list):
# Cache the busy-time details if not done already
if not self.mCachedBusyTime:
self.cacheBusyTime()
# See if period intersects the busy time span range
if (self.mBusyTime is not None) and period.isPeriodOverlap(self.mSpanPeriod):
list.append(self)
def expandPeriodFB(self, period, list):
# Cache the busy-time details if not done already
if not self.mCachedBusyTime:
self.cacheBusyTime()
# See if period intersects the busy time span range
if (self.mBusyTime is not None) and period.isPeriodOverlap(self.mSpanPeriod):
for fb in self.mBusyTime:
list.append(PyCalendarFreeBusy(fb))
def cacheBusyTime(self):
# Clear out any existing cache
self.mBusyTime = []
# Get all FREEBUSY items and add those that are BUSY
min_start = PyCalendarDateTime()
max_end = PyCalendarDateTime()
props = self.getProperties()
result = props.get(definitions.cICalProperty_FREEBUSY, ())
for iter in result:
# Check the properties FBTYPE attribute
type = 0
is_busy = False
if iter.hasAttribute(definitions.cICalAttribute_FBTYPE):
fbyype = iter.getAttributeValue(definitions.cICalAttribute_FBTYPE)
if fbyype.upper() == definitions.cICalAttribute_FBTYPE_BUSY:
is_busy = True
type = PyCalendarFreeBusy.BUSY
elif fbyype.upper() == definitions.cICalAttribute_FBTYPE_BUSYUNAVAILABLE:
is_busy = True
type = PyCalendarFreeBusy.BUSYUNAVAILABLE
elif fbyype.upper() == definitions.cICalAttribute_FBTYPE_BUSYTENTATIVE:
is_busy = True
type = PyCalendarFreeBusy.BUSYTENTATIVE
else:
is_busy = False
type = PyCalendarFreeBusy.FREE
else:
# Default is busy when no attribute
is_busy = True
type = PyCalendarFreeBusy.BUSY
# Add this period
if is_busy:
multi = iter.getMultiValue()
if (multi is not None) and (multi.getType() == PyCalendarValue.VALUETYPE_PERIOD):
for o in multi.getValues():
# Double-check type
period = None
if isinstance(o, PyCalendarPeriodValue):
period = o
# Double-check type
if period is not None:
self.mBusyTime.append(PyCalendarFreeBusy(type, period.getValue()))
if len(self.mBusyTime) == 1:
min_start = period.getValue().getStart()
max_end = period.getValue().getEnd()
else:
if min_start > period.getValue().getStart():
min_start = period.getValue().getStart()
if max_end < period.getValue().getEnd():
max_end = period.getValue().getEnd()
# If nothing present, empty the list
if len(self.mBusyTime) == 0:
self.mBusyTime = None
else:
# Sort the list by period
self.mBusyTime.sort(cmp=lambda x, y: x.getPeriod().getStart().compareDateTime(y.getPeriod().getStart()))
# Determine range
start = PyCalendarDateTime()
end = PyCalendarDateTime()
if self.mHasStart:
start = self.mStart
else:
start = min_start
if self.mHasEnd:
end = self.mEnd
else:
end = max_end
self.mSpanPeriod = PyCalendarPeriod(start, end)
self.mCachedBusyTime = True
def sortedPropertyKeyOrder(self):
return (
definitions.cICalProperty_UID,
definitions.cICalProperty_DTSTART,
definitions.cICalProperty_DURATION,
definitions.cICalProperty_DTEND,
)
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