/usr/share/pyshared/pycalendar/recurrence.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 xmldefs
from pycalendar.datetime import PyCalendarDateTime
from pycalendar.period import PyCalendarPeriod
from pycalendar.valueutils import ValueMixin
import cStringIO as StringIO
import xml.etree.cElementTree as XML
def WeekDayNumCompare_compare(w1, w2):
if w1[0] < w2[0]:
return -1
elif w1[0] > w2[0]:
return 1
elif w1[1] < w2[1]:
return -1
elif w1[1] > w2[1]:
return 1
else:
return 0
def WeekDayNumSort_less_than(w1, w2):
return (w1[0] < w2[0]) or (w1[0] == w2[0]) and (w1[1] < w2[1])
class PyCalendarRecurrence(ValueMixin):
cFreqMap = {
definitions.cICalValue_RECUR_SECONDLY : definitions.eRecurrence_SECONDLY,
definitions.cICalValue_RECUR_MINUTELY : definitions.eRecurrence_MINUTELY,
definitions.cICalValue_RECUR_HOURLY : definitions.eRecurrence_HOURLY,
definitions.cICalValue_RECUR_DAILY : definitions.eRecurrence_DAILY,
definitions.cICalValue_RECUR_WEEKLY : definitions.eRecurrence_WEEKLY,
definitions.cICalValue_RECUR_MONTHLY : definitions.eRecurrence_MONTHLY,
definitions.cICalValue_RECUR_YEARLY : definitions.eRecurrence_YEARLY,
}
cFreqToXMLMap = {
definitions.eRecurrence_SECONDLY: xmldefs.recur_freq_secondly,
definitions.eRecurrence_MINUTELY: xmldefs.recur_freq_minutely,
definitions.eRecurrence_HOURLY: xmldefs.recur_freq_hourly,
definitions.eRecurrence_DAILY: xmldefs.recur_freq_daily,
definitions.eRecurrence_WEEKLY: xmldefs.recur_freq_weekly,
definitions.eRecurrence_MONTHLY: xmldefs.recur_freq_monthly,
definitions.eRecurrence_YEARLY: xmldefs.recur_freq_yearly,
}
cRecurMap = {
definitions.cICalValue_RECUR_FREQ : definitions.eRecurrence_FREQ,
definitions.cICalValue_RECUR_UNTIL : definitions.eRecurrence_UNTIL,
definitions.cICalValue_RECUR_COUNT : definitions.eRecurrence_COUNT,
definitions.cICalValue_RECUR_INTERVAL : definitions.eRecurrence_INTERVAL,
definitions.cICalValue_RECUR_BYSECOND : definitions.eRecurrence_BYSECOND,
definitions.cICalValue_RECUR_BYMINUTE : definitions.eRecurrence_BYMINUTE,
definitions.cICalValue_RECUR_BYHOUR : definitions.eRecurrence_BYHOUR,
definitions.cICalValue_RECUR_BYDAY : definitions.eRecurrence_BYDAY,
definitions.cICalValue_RECUR_BYMONTHDAY : definitions.eRecurrence_BYMONTHDAY,
definitions.cICalValue_RECUR_BYYEARDAY : definitions.eRecurrence_BYYEARDAY,
definitions.cICalValue_RECUR_BYWEEKNO : definitions.eRecurrence_BYWEEKNO,
definitions.cICalValue_RECUR_BYMONTH : definitions.eRecurrence_BYMONTH,
definitions.cICalValue_RECUR_BYSETPOS : definitions.eRecurrence_BYSETPOS,
definitions.cICalValue_RECUR_WKST : definitions.eRecurrence_WKST,
}
cWeekdayMap = {
definitions.cICalValue_RECUR_WEEKDAY_SU : definitions.eRecurrence_WEEKDAY_SU,
definitions.cICalValue_RECUR_WEEKDAY_MO : definitions.eRecurrence_WEEKDAY_MO,
definitions.cICalValue_RECUR_WEEKDAY_TU : definitions.eRecurrence_WEEKDAY_TU,
definitions.cICalValue_RECUR_WEEKDAY_WE : definitions.eRecurrence_WEEKDAY_WE,
definitions.cICalValue_RECUR_WEEKDAY_TH : definitions.eRecurrence_WEEKDAY_TH,
definitions.cICalValue_RECUR_WEEKDAY_FR : definitions.eRecurrence_WEEKDAY_FR,
definitions.cICalValue_RECUR_WEEKDAY_SA : definitions.eRecurrence_WEEKDAY_SA,
}
cWeekdayRecurMap = dict([(v, k) for k, v in cWeekdayMap.items()])
cUnknownIndex = -1
def __init__(self):
self.init_PyCalendarRecurrence()
def duplicate(self):
other = PyCalendarRecurrence()
other.mFreq = self.mFreq
other.mUseCount = self.mUseCount
other.mCount = self.mCount
other.mUseUntil = self.mUseUntil
if other.mUseUntil:
other.mUntil = self.mUntil.duplicate()
other.mInterval = self.mInterval
if self.mBySeconds is not None:
other.mBySeconds = self.mBySeconds[:]
if self.mByMinutes is not None:
other.mByMinutes = self.mByMinutes[:]
if self.mByHours is not None:
other.mByHours = self.mByHours[:]
if self.mByDay is not None:
other.mByDay = self.mByDay[:]
if self.mByMonthDay is not None:
other.mByMonthDay = self.mByMonthDay[:]
if self.mByYearDay is not None:
other.mByYearDay = self.mByYearDay[:]
if self.mByWeekNo is not None:
other.mByWeekNo = self.mByWeekNo[:]
if self.mByMonth is not None:
other.mByMonth = self.mByMonth[:]
if self.mBySetPos is not None:
other.mBySetPos = self.mBySetPos[:]
other.mWeekstart = self.mWeekstart
other.mCached = self.mCached
if self.mCacheStart:
other.mCacheStart = self.mCacheStart.duplicate()
if self.mCacheUpto:
other.mCacheUpto = self.mCacheUpto.duplicate()
other.mFullyCached = self.mFullyCached
if self.mRecurrences:
other.mRecurrences = self.mRecurrences[:]
return other
def init_PyCalendarRecurrence(self):
self.mFreq = definitions.eRecurrence_YEARLY
self.mUseCount = False
self.mCount = 0
self.mUseUntil = False
self.mUntil = None
self.mInterval = 1
self.mBySeconds = None
self.mByMinutes = None
self.mByHours = None
self.mByDay = None
self.mByMonthDay = None
self.mByYearDay = None
self.mByWeekNo = None
self.mByMonth = None
self.mBySetPos = None
self.mWeekstart = definitions.eRecurrence_WEEKDAY_MO
self.mCached = False
self.mCacheStart = None
self.mCacheUpto = None
self.mFullyCached = False
self.mRecurrences = None
def __hash__(self):
return hash((
self.mFreq,
self.mUseCount,
self.mCount,
self.mUseUntil,
self.mUntil,
self.mInterval,
tuple(self.mBySeconds) if self.mBySeconds else None,
tuple(self.mByMinutes) if self.mByMinutes else None,
tuple(self.mByHours) if self.mByHours else None,
tuple(self.mByDay) if self.mByDay else None,
tuple(self.mByMonthDay) if self.mByMonthDay else None,
tuple(self.mByYearDay) if self.mByYearDay else None,
tuple(self.mByWeekNo) if self.mByWeekNo else None,
tuple(self.mByMonth) if self.mByMonth else None,
tuple(self.mBySetPos) if self.mBySetPos else None,
self.mWeekstart,
))
def __ne__(self, other): return not self.__eq__(other)
def __eq__(self, other):
if not isinstance(other, PyCalendarRecurrence): return False
return self.equals(other)
def equals(self, comp):
return (self.mFreq == comp.mFreq) \
and (self.mUseCount == comp.mUseCount) and (self.mCount == comp.mCount) \
and (self.mUseUntil == comp.mUseUntil) and (self.mUntil == comp.mUntil) \
and (self.mInterval == comp.mInterval) \
and self.equalsNum(self.mBySeconds, comp.mBySeconds) \
and self.equalsNum(self.mByMinutes, comp.mByMinutes) \
and self.equalsNum(self.mByHours, comp.mByHours) \
and self.equalsDayNum(self.mByDay, comp.mByDay) \
and self.equalsNum(self.mByMonthDay, comp.mByMonthDay) \
and self.equalsNum(self.mByYearDay, comp.mByYearDay) \
and self.equalsNum(self.mByWeekNo, comp.mByWeekNo) \
and self.equalsNum(self.mByMonth, comp.mByMonth) \
and self.equalsNum(self.mBySetPos, comp.mBySetPos) \
and (self.mWeekstart == comp.mWeekstart)
def equalsNum(self, items1, items2):
# Check sizes first
if items1 is None:
items1 = []
if items2 is None:
items2 = []
if len(items1) != len(items2):
return False
elif len(items1) == 0:
return True
# Copy and sort each one for comparison
temp1 = items1[:]
temp2 = items2[:]
temp1.sort()
temp2.sort()
for i in range(0, len(temp1)):
if temp1[i] != temp2[i]:
return False
return True
def equalsDayNum(self, items1, items2):
# Check sizes first
if items1 is None:
items1 = []
if items2 is None:
items2 = []
if len(items1) != len(items2):
return False
elif len(items1) == 0:
return True
# Copy and sort each one for comparison
temp1 = items1[:]
temp2 = items2[:]
temp1.sort()
temp2.sort()
for i in range(0, len(temp1)):
if temp1[i] != temp2[i]:
return False
return True
def getFreq(self):
return self.mFreq
def setFreq(self, freq):
self.mFreq = freq
def getUseUntil(self):
return self.mUseUntil
def setUseUntil(self, use_until):
self.mUseUntil = use_until
def getUntil(self):
return self.mUntil
def setUntil(self, until):
self.mUntil = until
def getUseCount(self):
return self.mUseCount
def setUseCount(self, use_count):
self.mUseCount = use_count
def getCount(self):
return self.mCount
def setCount(self, count):
self.mCount = count
def getInterval(self):
return self.mInterval
def setInterval(self, interval):
self.mInterval = interval
def getByMonth(self):
return self.mByMonth
def setByMonth(self, by):
self.mByMonth = by[:]
def getByMonthDay(self):
return self.mByMonthDay
def setByMonthDay(self, by):
self.mByMonthDay = by[:]
def getByYearDay(self):
return self.mByYearDay
def setByYearDay(self, by):
self.mByYearDay = by[:]
def getByDay(self):
return self.mByDay
def setByDay(self, by):
self.mByDay = by[:]
def getBySetPos(self):
return self.mBySetPos
def setBySetPos(self, by):
self.mBySetPos = by
def parse(self, data):
self.init_PyCalendarRecurrence()
# Tokenise using ''
tokens = data.split(";")
tokens.reverse()
if len(tokens) == 0:
raise ValueError("PyCalendarRecurrence: Invalid recurrence rule value")
while len(tokens) != 0:
# Get next token
token = tokens.pop()
try:
tname, tvalue = token.split("=")
except ValueError:
raise ValueError("PyCalendarRecurrence: Invalid token '%s'" % (token,))
# Determine token type
index = PyCalendarRecurrence.cRecurMap.get(tname, PyCalendarRecurrence.cUnknownIndex)
if index == PyCalendarRecurrence.cUnknownIndex:
raise ValueError("PyCalendarRecurrence: Invalid token '%s'" % (tname,))
# Parse remainder based on index
if index == definitions.eRecurrence_FREQ:
# Get the FREQ value
index = PyCalendarRecurrence.cFreqMap.get(tvalue, PyCalendarRecurrence.cUnknownIndex)
if index == PyCalendarRecurrence.cUnknownIndex:
raise ValueError("PyCalendarRecurrence: Invalid FREQ value")
self.mFreq = index
elif index == definitions.eRecurrence_UNTIL:
if self.mUseCount:
raise ValueError("PyCalendarRecurrence: Can't have both UNTIL and COUNT")
self.mUseUntil = True
if self.mUntil is None:
self.mUntil = PyCalendarDateTime()
try:
self.mUntil.parse(tvalue)
except ValueError:
raise ValueError("PyCalendarRecurrence: Invalid UNTIL value")
elif index == definitions.eRecurrence_COUNT:
if self.mUseUntil:
raise ValueError("PyCalendarRecurrence: Can't have both UNTIL and COUNT")
self.mUseCount = True
try:
self.mCount = int(tvalue)
except ValueError:
raise ValueError("PyCalendarRecurrence: Invalid COUNT value")
# Must not be less than one
if self.mCount < 1:
raise ValueError("PyCalendarRecurrence: Invalid COUNT value")
elif index == definitions.eRecurrence_INTERVAL:
try:
self.mInterval = int(tvalue)
except ValueError:
raise ValueError("PyCalendarRecurrence: Invalid INTERVAL value")
# Must NOT be less than one
if self.mInterval < 1:
raise ValueError("PyCalendarRecurrence: Invalid INTERVAL value")
elif index == definitions.eRecurrence_BYSECOND:
if self.mBySeconds is not None:
raise ValueError("PyCalendarRecurrence: Only one BYSECOND allowed")
self.mBySeconds = []
self.parseList(tvalue, self.mBySeconds, 0, 60, errmsg="PyCalendarRecurrence: Invalid BYSECOND value")
elif index == definitions.eRecurrence_BYMINUTE:
if self.mByMinutes is not None:
raise ValueError("PyCalendarRecurrence: Only one BYMINUTE allowed")
self.mByMinutes = []
self.parseList(tvalue, self.mByMinutes, 0, 59, errmsg="PyCalendarRecurrence: Invalid BYMINUTE value")
elif index == definitions.eRecurrence_BYHOUR:
if self.mByHours is not None:
raise ValueError("PyCalendarRecurrence: Only one BYHOUR allowed")
self.mByHours = []
self.parseList(tvalue, self.mByHours, 0, 23, errmsg="PyCalendarRecurrence: Invalid BYHOUR value")
elif index == definitions.eRecurrence_BYDAY:
if self.mByDay is not None:
raise ValueError("PyCalendarRecurrence: Only one BYDAY allowed")
self.mByDay = []
self.parseListDW(tvalue, self.mByDay, errmsg="PyCalendarRecurrence: Invalid BYDAY value")
elif index == definitions.eRecurrence_BYMONTHDAY:
if self.mByMonthDay is not None:
raise ValueError("PyCalendarRecurrence: Only one BYMONTHDAY allowed")
self.mByMonthDay = []
self.parseList(tvalue, self.mByMonthDay, 1, 31, True, errmsg="PyCalendarRecurrence: Invalid BYMONTHDAY value")
elif index == definitions.eRecurrence_BYYEARDAY:
if self.mByYearDay is not None:
raise ValueError("PyCalendarRecurrence: Only one BYYEARDAY allowed")
self.mByYearDay = []
self.parseList(tvalue, self.mByYearDay, 1, 366, True, errmsg="PyCalendarRecurrence: Invalid BYYEARDAY value")
elif index == definitions.eRecurrence_BYWEEKNO:
if self.mByWeekNo is not None:
raise ValueError("PyCalendarRecurrence: Only one BYWEEKNO allowed")
self.mByWeekNo = []
self.parseList(tvalue, self.mByWeekNo, 1, 53, True, errmsg="PyCalendarRecurrence: Invalid BYWEEKNO value")
elif index == definitions.eRecurrence_BYMONTH:
if self.mByMonth is not None:
raise ValueError("PyCalendarRecurrence: Only one BYMONTH allowed")
self.mByMonth = []
self.parseList(tvalue, self.mByMonth, 1, 12, errmsg="PyCalendarRecurrence: Invalid BYMONTH value")
elif index == definitions.eRecurrence_BYSETPOS:
if self.mBySetPos is not None:
raise ValueError("PyCalendarRecurrence: Only one BYSETPOS allowed")
self.mBySetPos = []
self.parseList(tvalue, self.mBySetPos, allowNegative=True, errmsg="PyCalendarRecurrence: Invalid BYSETPOS value")
elif index == definitions.eRecurrence_WKST:
index = PyCalendarRecurrence.cWeekdayMap.get(tvalue, PyCalendarRecurrence.cUnknownIndex)
if (index == PyCalendarRecurrence.cUnknownIndex):
raise ValueError("PyCalendarRecurrence: Invalid WKST value")
self.mWeekstart = index
def parseList(self, txt, list, min=None, max=None, allowNegative=False, errmsg=""):
if "," in txt:
tokens = txt.split(",")
else:
tokens = (txt,)
for token in tokens:
value = int(token)
if not allowNegative and value < 0:
raise ValueError(errmsg)
avalue = abs(value)
if min is not None and avalue < min:
raise ValueError(errmsg)
if max is not None and avalue > max:
raise ValueError(errmsg)
list.append(value)
def parseListDW(self, txt, list, errmsg=""):
if "," in txt:
tokens = txt.split(",")
else:
tokens = (txt,)
for token in tokens:
# Get number if present
num = 0
if (len(token) > 0) and token[0] in "+-1234567890":
offset = 0
while (offset < len(token)) and token[offset] in "+-1234567890":
offset += 1
num = int(token[0:offset])
token = token[offset:]
anum = abs(num)
if anum < 1:
raise ValueError(errmsg)
if anum > 53:
raise ValueError(errmsg)
# Get day
index = PyCalendarRecurrence.cWeekdayMap.get(token, PyCalendarRecurrence.cUnknownIndex)
if (index == PyCalendarRecurrence.cUnknownIndex):
raise ValueError(errmsg)
wday = index
list.append((num, wday))
def generate(self, os):
try:
os.write(definitions.cICalValue_RECUR_FREQ)
os.write("=")
if self.mFreq == definitions.eRecurrence_SECONDLY:
os.write(definitions.cICalValue_RECUR_SECONDLY)
elif self.mFreq == definitions.eRecurrence_MINUTELY:
os.write(definitions.cICalValue_RECUR_MINUTELY)
elif self.mFreq == definitions.eRecurrence_HOURLY:
os.write(definitions.cICalValue_RECUR_HOURLY)
elif self.mFreq == definitions.eRecurrence_DAILY:
os.write(definitions.cICalValue_RECUR_DAILY)
elif self.mFreq == definitions.eRecurrence_WEEKLY:
os.write(definitions.cICalValue_RECUR_WEEKLY)
elif self.mFreq == definitions.eRecurrence_MONTHLY:
os.write(definitions.cICalValue_RECUR_MONTHLY)
elif self.mFreq == definitions.eRecurrence_YEARLY:
os.write(definitions.cICalValue_RECUR_YEARLY)
if self.mUseCount:
os.write(";")
os.write(definitions.cICalValue_RECUR_COUNT)
os.write("=")
os.write(str(self.mCount))
elif self.mUseUntil:
os.write(";")
os.write(definitions.cICalValue_RECUR_UNTIL)
os.write("=")
self.mUntil.generate(os)
if self.mInterval > 1:
os.write(";")
os.write(definitions.cICalValue_RECUR_INTERVAL)
os.write("=")
os.write(str(self.mInterval))
self.generateList(os, definitions.cICalValue_RECUR_BYSECOND, self.mBySeconds)
self.generateList(os, definitions.cICalValue_RECUR_BYMINUTE, self.mByMinutes)
self.generateList(os, definitions.cICalValue_RECUR_BYHOUR, self.mByHours)
if (self.mByDay is not None) and (len(self.mByDay) != 0):
os.write(";")
os.write(definitions.cICalValue_RECUR_BYDAY)
os.write("=")
comma = False
for iter in self.mByDay:
if comma:
os.write(",")
comma = True
if iter[0] != 0:
os.write(str(iter[0]))
if iter[1] == definitions.eRecurrence_WEEKDAY_SU:
os.write(definitions.cICalValue_RECUR_WEEKDAY_SU)
elif iter[1] == definitions.eRecurrence_WEEKDAY_MO:
os.write(definitions.cICalValue_RECUR_WEEKDAY_MO)
elif iter[1] == definitions.eRecurrence_WEEKDAY_TU:
os.write(definitions.cICalValue_RECUR_WEEKDAY_TU)
elif iter[1] == definitions.eRecurrence_WEEKDAY_WE:
os.write(definitions.cICalValue_RECUR_WEEKDAY_WE)
elif iter[1] == definitions.eRecurrence_WEEKDAY_TH:
os.write(definitions.cICalValue_RECUR_WEEKDAY_TH)
elif iter[1] == definitions.eRecurrence_WEEKDAY_FR:
os.write(definitions.cICalValue_RECUR_WEEKDAY_FR)
elif iter[1] == definitions.eRecurrence_WEEKDAY_SA:
os.write(definitions.cICalValue_RECUR_WEEKDAY_SA)
self.generateList(os, definitions.cICalValue_RECUR_BYMONTHDAY, self.mByMonthDay)
self.generateList(os, definitions.cICalValue_RECUR_BYYEARDAY, self.mByYearDay)
self.generateList(os, definitions.cICalValue_RECUR_BYWEEKNO, self.mByWeekNo)
self.generateList(os, definitions.cICalValue_RECUR_BYMONTH, self.mByMonth)
self.generateList(os, definitions.cICalValue_RECUR_BYSETPOS, self.mBySetPos)
# MO is the default so we do not need it
if self.mWeekstart != definitions.eRecurrence_WEEKDAY_MO:
os.write(";")
os.write(definitions.cICalValue_RECUR_WKST)
os.write("=")
if self.mWeekstart == definitions.eRecurrence_WEEKDAY_SU:
os.write(definitions.cICalValue_RECUR_WEEKDAY_SU)
elif self.mWeekstart == definitions.eRecurrence_WEEKDAY_MO:
os.write(definitions.cICalValue_RECUR_WEEKDAY_MO)
elif self.mWeekstart == definitions.eRecurrence_WEEKDAY_TU:
os.write(definitions.cICalValue_RECUR_WEEKDAY_TU)
elif self.mWeekstart == definitions.eRecurrence_WEEKDAY_WE:
os.write(definitions.cICalValue_RECUR_WEEKDAY_WE)
elif self.mWeekstart == definitions.eRecurrence_WEEKDAY_TH:
os.write(definitions.cICalValue_RECUR_WEEKDAY_TH)
elif self.mWeekstart == definitions.eRecurrence_WEEKDAY_FR:
os.write(definitions.cICalValue_RECUR_WEEKDAY_FR)
elif self.mWeekstart == definitions.eRecurrence_WEEKDAY_SA:
os.write(definitions.cICalValue_RECUR_WEEKDAY_SA)
except:
pass
def generateList(self, os, title, items):
if (items is not None) and (len(items) != 0):
os.write(";")
os.write(title)
os.write("=")
comma = False
for e in items:
if comma:
os.write(",")
comma = True
os.write(str(e))
def writeXML(self, node, namespace):
recur = XML.SubElement(node, xmldefs.makeTag(namespace, xmldefs.value_recur))
freq = XML.SubElement(recur, xmldefs.makeTag(namespace, xmldefs.recur_freq))
freq.text = self.cFreqToXMLMap[self.mFreq]
if self.mUseCount:
count = XML.SubElement(recur, xmldefs.makeTag(namespace, xmldefs.recur_count))
count.text = str(self.mCount)
elif self.mUseUntil:
until = XML.SubElement(recur, xmldefs.makeTag(namespace, xmldefs.recur_until))
self.mUntil.writeXML(until, namespace)
if self.mInterval > 1:
interval = XML.SubElement(recur, xmldefs.makeTag(namespace, xmldefs.recur_interval))
interval.text = str(self.mInterval)
self.writeXMLList(recur, namespace, xmldefs.recur_bysecond, self.mBySeconds)
self.writeXMLList(recur, namespace, xmldefs.recur_byminute, self.mByMinutes)
self.writeXMLList(recur, namespace, xmldefs.recur_byhour, self.mByHours)
if self.mByDay is not None and len(self.mByDay) != 0:
for iter in self.mByDay:
byday = XML.SubElement(recur, xmldefs.makeTag(namespace, xmldefs.recur_byday))
data = ""
if iter[0] != 0:
data = str(iter[0])
data += self.cWeekdayRecurMap.get(iter[1], "")
byday.text = data
self.writeXMLList(recur, namespace, xmldefs.recur_bymonthday, self.mByMonthDay)
self.writeXMLList(recur, namespace, xmldefs.recur_byyearday, self.mByYearDay)
self.writeXMLList(recur, namespace, xmldefs.recur_byweekno, self.mByWeekNo)
self.writeXMLList(recur, namespace, xmldefs.recur_bymonth, self.mByMonth)
self.writeXMLList(recur, namespace, xmldefs.recur_bysetpos, self.mBySetPos)
# MO is the default so we do not need it
if self.mWeekstart != definitions.eRecurrence_WEEKDAY_MO:
wkst = XML.SubElement(recur, xmldefs.makeTag(namespace, xmldefs.recur_wkst))
wkst.text = self.cWeekdayRecurMap.get(self.mWeekstart, definitions.cICalValue_RECUR_WEEKDAY_MO)
def writeXMLList(self, node, namespace, name, items):
if items is not None and len(items) != 0:
for item in items:
child = XML.SubElement(node, xmldefs.makeTag(namespace, name))
child.text = str(item)
def hasBy(self):
return (self.mBySeconds is not None) and (len(self.mBySeconds) != 0) \
or (self.mByMinutes is not None) and (len(self.mByMinutes) != 0) \
or (self.mByHours is not None) and (len(self.mByHours) != 0) \
or (self.mByDay is not None) and (len(self.mByDay) != 0) \
or (self.mByMonthDay is not None) and (len(self.mByMonthDay) != 0) \
or (self.mByYearDay is not None) and (len(self.mByYearDay) != 0) \
or (self.mByWeekNo is not None) and (len(self.mByWeekNo) != 0) \
or (self.mByMonth is not None) and (len(self.mByMonth) != 0) \
or (self.mBySetPos is not None) and (len(self.mBySetPos) != 0)
def isSimpleRule(self):
# One that has no BYxxx rules
return not self.hasBy()
def isAdvancedRule(self):
# One that has BYMONTH,
# BYMONTHDAY (with no negative value),
# BYDAY (with multiple unumbered, or numbered with all the same number
# (1..4, -2, -1)
# BYSETPOS with +1, or -1 only
# no others
# First checks the ones we do not handle at all
if ((self.mBySeconds is not None) and (len(self.mBySeconds) != 0) \
or (self.mByMinutes is not None) and (len(self.mByMinutes) != 0) \
or (self.mByHours is not None) and (len(self.mByHours) != 0) \
or (self.mByYearDay is not None) and (len(self.mByYearDay) != 0) \
or (self.mByWeekNo is not None) and (len(self.mByWeekNo) != 0)):
return False
# Check BYMONTHDAY numbers (we can handle -7...-1, 1..31)
if self.mByMonthDay is not None:
for iter in self.mByMonthDay:
if (iter < -7) or (iter > 31) or (iter == 0):
return False
# Check BYDAY numbers
if self.mByDay is not None:
number = 0
first = True
for iter in self.mByDay:
# Get the first number
if (first):
number = iter[0]
first = False
# Check number range
if (number > 4) or (number < -2):
return False
# If current differs from last, then we have an error
elif number != iter[0]:
return False
# Check BYSETPOS numbers
if self.mBySetPos is not None:
if len(self.mBySetPos) > 1:
return False
if (len(self.mBySetPos) == 1) and (self.mBySetPos[0] != -1) and (self.mBySetPos[0] != 1):
return False
# If we get here it must be OK
return True
def getUIDescription(self):
try:
# For now just use iCal item
sout = StringIO()
self.generate(sout)
result = sout.getvalue()
except:
result = ""
return result
def expand(self, start, range, items, float_offset=0):
# Must have recurrence list at this point
if self.mRecurrences is None:
self.mRecurrences = []
# Wipe cache if start is different
if self.mCached and (start != self.mCacheStart):
self.mCached = False
self.mFullyCached = False
self.mRecurrences = []
# Is the current cache complete or does it extend past the requested
# range end
if not self.mCached or not self.mFullyCached \
and (self.mCacheUpto is None or self.mCacheUpto < range.getEnd()):
cache_range = range.duplicate()
# If partially cached just cache from previous cache end up to new
# end
if self.mCached:
cache_range = PyCalendarPeriod(self.mCacheUpto, range.getEnd())
# Simple expansion is one where there is no BYXXX rule part
if not self.hasBy():
self.mFullyCached = self.simpleExpand(start, cache_range, self.mRecurrences, float_offset)
else:
self.mFullyCached = self.complexExpand(start, cache_range, self.mRecurrences, float_offset)
# Set cache values
self.mCached = True
self.mCacheStart = start
self.mCacheUpto = range.getEnd()
# Just return the cached items in the requested range
limited = not self.mFullyCached
for iter in self.mRecurrences:
if range.isDateWithinPeriod(iter):
items.append(iter)
else:
limited = True
return limited
def simpleExpand(self, start, range, items, float_offset):
start_iter = start.duplicate()
ctr = 0
if self.mUseUntil:
float_until = self.mUntil.duplicate()
if start.floating():
float_until.setTimezoneID(0)
float_until.offsetSeconds(float_offset)
while True:
# Exit if after period we want
if range.isDateAfterPeriod(start_iter):
return False
# Add current one to list
items.append(start_iter.duplicate())
# Get next item
start_iter.recur(self.mFreq, self.mInterval)
# Check limits
if self.mUseCount:
# Bump counter and exit if over
ctr += 1
if ctr >= self.mCount:
return True
elif self.mUseUntil:
# Exit if next item is after until (its OK if its the same as
# UNTIL as UNTIL is inclusive)
if start_iter > float_until:
return True
def complexExpand(self, start, range, items, float_offset):
start_iter = start.duplicate()
ctr = 0
if self.mUseUntil:
float_until = self.mUntil.duplicate()
if start.floating():
float_until.setTimezoneID(None)
float_until.offsetSeconds(float_offset)
# Always add the initial instance DTSTART
items.append(start.duplicate())
if self.mUseCount:
# Bump counter and exit if over
ctr += 1
if ctr >= self.mCount:
return True
# Need to re-initialise start based on BYxxx rules
while True:
# Behaviour is based on frequency
set_items = []
if self.mFreq == definitions.eRecurrence_SECONDLY:
self.generateSecondlySet(start_iter, set_items)
elif self.mFreq == definitions.eRecurrence_MINUTELY:
self.generateMinutelySet(start_iter, set_items)
elif self.mFreq == definitions.eRecurrence_HOURLY:
self.generateHourlySet(start_iter, set_items)
elif self.mFreq == definitions.eRecurrence_DAILY:
self.generateDailySet(start_iter, set_items)
elif self.mFreq == definitions.eRecurrence_WEEKLY:
self.generateWeeklySet(start_iter, set_items)
elif self.mFreq == definitions.eRecurrence_MONTHLY:
self.generateMonthlySet(start_iter, set_items)
elif self.mFreq == definitions.eRecurrence_YEARLY:
self.generateYearlySet(start_iter, set_items)
# Always sort the set as BYxxx rules may not be sorted
#set_items.sort(cmp=PyCalendarDateTime.sort)
set_items.sort(key=lambda x:x.getPosixTime())
# Process each one in the generated set
for iter in set_items:
# Ignore if it is before the actual start - we need this
# because the expansion
# can go back in time from the real start, but we must exclude
# those when counting
# even if they are not within the requested range
if iter < start:
continue
# Exit if after period we want
if range.isDateAfterPeriod(iter):
return False
# Exit if beyond the UNTIL limit
if self.mUseUntil:
# Exit if next item is after until (its OK if its the same
# as UNTIL as UNTIL is inclusive)
if iter > float_until:
return True
# Special for start instance
if (ctr == 1) and (start == iter):
continue
# Add current one to list
items.append(iter)
# Check limits
if self.mUseCount:
# Bump counter and exit if over
ctr += 1
if ctr >= self.mCount:
return True
# Exit if after period we want
if range.isDateAfterPeriod(start_iter):
return False
# Get next item
start_iter.recur(self.mFreq, self.mInterval)
def clear(self):
self.mCached = False
self.mFullyCached = False
if self.mRecurrences is not None:
self.mRecurrences = []
# IMPORTANT ExcludeFutureRecurrence assumes mCacheStart is setup with the
# owning VEVENT's DTSTART
# Currently this method is only called when a recurrence is being removed
# so
# the recurrence data should be cached
# Exclude dates on or after the chosen one
def excludeFutureRecurrence(self, exclude):
# Expand the rule upto the exclude date
items = []
period = PyCalendarPeriod()
period.init(self.mCacheStart, exclude)
self.expand(self.mCacheStart, period, items)
# Adjust UNTIL or add one if no COUNT
if self.getUseUntil() or not self.getUseCount():
# The last one is just less than the exclude date
if len(items) != 0:
# Now use the data as the UNTIL
self.mUseUntil = True
self.mUntil = items[-1]
# Adjust COUNT
elif self.getUseCount():
# The last one is just less than the exclude date
self.mUseCount = True
self.mCount = len(items)
# Now clear out the cached set after making changes
self.clear()
def generateYearlySet(self, start, items):
# All possible BYxxx are valid, though some combinations are not
# Start with initial date-time
items.append(start.duplicate())
if (self.mByMonth is not None) and (len(self.mByMonth) != 0):
items[:] = self.byMonthExpand(items)
if (self.mByWeekNo is not None) and (len(self.mByWeekNo) != 0):
items[:] = self.byWeekNoExpand(items)
if (self.mByYearDay is not None) and (len(self.mByYearDay) != 0):
items[:] = self.byYearDayExpand(items)
if (self.mByMonthDay is not None) and (len(self.mByMonthDay) != 0):
items[:] = self.byMonthDayExpand(items)
if (self.mByDay is not None) and (len(self.mByDay) != 0):
# BYDAY is complicated:
# if BYDAY is included with BYYEARDAY or BYMONTHDAY then it
# contracts the recurrence set
# else it expands it, but the expansion depends on the frequency
# and other BYxxx periodicities
if ((self.mByYearDay is not None) and (len(self.mByYearDay) != 0)) \
or ((self.mByMonthDay is not None) and (len(self.mByMonthDay) != 0)):
items[:] = self.byDayLimit(items)
elif (self.mByWeekNo is not None) and (len(self.mByWeekNo) != 0):
items[:] = self.byDayExpandWeekly(items)
elif (self.mByMonth is not None) and (len(self.mByMonth) != 0):
items[:] = self.byDayExpandMonthly(items)
else:
items[:] = self.byDayExpandYearly(items)
if (self.mByHours is not None) and (len(self.mByHours) != 0):
items[:] = self.byHourExpand(items)
if (self.mByMinutes is not None) and (len(self.mByMinutes) != 0):
items[:] = self.byMinuteExpand(items)
if (self.mBySeconds is not None) and (len(self.mBySeconds) != 0):
items[:] = self.bySecondExpand(items)
if (self.mBySetPos is not None) and (len(self.mBySetPos) != 0):
items[:] = self.bySetPosLimit(items)
def generateMonthlySet(self, start, items):
# Cannot have BYYEARDAY and BYWEEKNO
# Start with initial date-time
items.append(start.duplicate())
if (self.mByMonth is not None) and (len(self.mByMonth) != 0):
# BYMONTH limits the range of possible values
items[:] = self.byMonthLimit(items)
if (len(items) == 0):
return
# No BYWEEKNO
# No BYYEARDAY
if (self.mByMonthDay is not None) and (len(self.mByMonthDay) != 0):
items[:] = self.byMonthDayExpand(items)
if (self.mByDay is not None) and (len(self.mByDay) != 0):
# BYDAY is complicated:
# if BYDAY is included with BYYEARDAY or BYMONTHDAY then it
# contracts the recurrence set
# else it expands it, but the expansion depends on the frequency
# and other BYxxx periodicities
if ((self.mByYearDay is not None) and (len(self.mByYearDay) != 0)) \
or ((self.mByMonthDay is not None) and (len(self.mByMonthDay) != 0)):
items[:] = self.byDayLimit(items)
else:
items[:] = self.byDayExpandMonthly(items)
if ((self.mByHours is not None) and (len(self.mByHours) != 0)):
items[:] = self.byHourExpand(items)
if ((self.mByMinutes is not None) and (len(self.mByMinutes) != 0)):
items[:] = self.byMinuteExpand(items)
if ((self.mBySeconds is not None) and (len(self.mBySeconds) != 0)):
items[:] = self.bySecondExpand(items)
if ((self.mBySetPos is not None) and (len(self.mBySetPos) != 0)):
items[:] = self.bySetPosLimit(items)
def generateWeeklySet(self, start, items):
# Cannot have BYYEARDAY and BYMONTHDAY
# Start with initial date-time
items.append(start.duplicate())
if (self.mByMonth is not None) and (len(self.mByMonth) != 0):
# BYMONTH limits the range of possible values
items[:] = self.byMonthLimit(items)
if (len(items) == 0):
return
if (self.mByWeekNo is not None) and (len(self.mByWeekNo) != 0):
items[:] = self.byWeekNoLimit(items)
if (len(items) == 0):
return
# No BYYEARDAY
# No BYMONTHDAY
if (self.mByDay is not None) and (len(self.mByDay) != 0):
items[:] = self.byDayExpandWeekly(items)
if (self.mByHours is not None) and (len(self.mByHours) != 0):
items[:] = self.byHourExpand(items)
if (self.mByMinutes is not None) and (len(self.mByMinutes) != 0):
items[:] = self.byMinuteExpand(items)
if (self.mBySeconds is not None) and (len(self.mBySeconds) != 0):
items[:] = self.bySecondExpand(items)
if (self.mBySetPos is not None) and (len(self.mBySetPos) != 0):
items[:] = self.bySetPosLimit(items)
def generateDailySet(self, start, items):
# Cannot have BYYEARDAY
# Start with initial date-time
items.append(start.duplicate())
if (self.mByMonth is not None) and (len(self.mByMonth) != 0):
# BYMONTH limits the range of possible values
items[:] = self.byMonthLimit(items)
if (len(items) == 0):
return
if (self.mByWeekNo is not None) and (len(self.mByWeekNo) != 0):
items[:] = self.byWeekNoLimit(items)
if (len(items) == 0):
return
# No BYYEARDAY
if (self.mByMonthDay is not None) and (len(self.mByMonthDay) != 0):
items[:] = self.byMonthDayLimit(items)
if (len(items) == 0):
return
if (self.mByDay is not None) and (len(self.mByDay) != 0):
items[:] = self.byDayLimit(items)
if (len(items) == 0):
return
if (self.mByHours is not None) and (len(self.mByHours) != 0):
items[:] = self.byHourExpand(items)
if (self.mByMinutes is not None) and (len(self.mByMinutes) != 0):
items[:] = self.byMinuteExpand(items)
if (self.mBySeconds is not None) and (len(self.mBySeconds) != 0):
items[:] = self.bySecondExpand(items)
if (self.mBySetPos is not None) and (len(self.mBySetPos) != 0):
items[:] = self.bySetPosLimit(items)
def generateHourlySet(self, start, items):
# Cannot have BYYEARDAY
# Start with initial date-time
items.append(start.duplicate())
if (self.mByMonth is not None) and (len(self.mByMonth) != 0):
# BYMONTH limits the range of possible values
items[:] = self.byMonthLimit(items)
if (len(items) == 0):
return
if (self.mByWeekNo is not None) and (len(self.mByWeekNo) != 0):
items[:] = self.byWeekNoLimit(items)
if (len(items) == 0):
return
# No BYYEARDAY
if (self.mByMonthDay is not None) and (len(self.mByMonthDay) != 0):
items[:] = self.byMonthDayLimit(items)
if (len(items) == 0):
return
if (self.mByDay is not None) and (len(self.mByDay) != 0):
items[:] = self.byDayLimit(items)
if (len(items) == 0):
return
if (self.mByHours is not None) and (len(self.mByHours) != 0):
items[:] = self.byHourLimit(items)
if (len(items) == 0):
return
if (self.mByMinutes is not None) and (len(self.mByMinutes) != 0):
items[:] = self.byMinuteExpand(items)
if (self.mBySeconds is not None) and (len(self.mBySeconds) != 0):
items[:] = self.bySecondExpand(items)
if (self.mBySetPos is not None) and (len(self.mBySetPos) != 0):
items[:] = self.bySetPosLimit(items)
def generateMinutelySet(self, start, items):
# Cannot have BYYEARDAY
# Start with initial date-time
items.append(start.duplicate())
if (self.mByMonth is not None) and (len(self.mByMonth) != 0):
# BYMONTH limits the range of possible values
items[:] = self.byMonthLimit(items)
if (len(items) == 0):
return
if (self.mByWeekNo is not None) and (len(self.mByWeekNo) != 0):
items[:] = self.byWeekNoLimit(items)
if (len(items) == 0):
return
# No BYYEARDAY
if (self.mByMonthDay is not None) and (len(self.mByMonthDay) != 0):
items[:] = self.byMonthDayLimit(items)
if (len(items) == 0):
return
if (self.mByDay is not None) and (len(self.mByDay) != 0):
items[:] = self.byDayLimit(items)
if (len(items) == 0):
return
if (self.mByHours is not None) and (len(self.mByHours) != 0):
items[:] = self.byHourLimit(items)
if (len(items) == 0):
return
if (self.mByMinutes is not None) and (len(self.mByMinutes) != 0):
items[:] = self.byMinuteLimit(items)
if (len(items) == 0):
return
if (self.mBySeconds is not None) and (len(self.mBySeconds) != 0):
items[:] = self.bySecondExpand(items)
if (self.mBySetPos is not None) and (len(self.mBySetPos) != 0):
items[:] = self.bySetPosLimit(items)
def generateSecondlySet(self, start, items):
# Cannot have BYYEARDAY
# Start with initial date-time
items.append(start.duplicate())
if (self.mByMonth is not None) and (len(self.mByMonth) != 0):
# BYMONTH limits the range of possible values
items[:] = self.byMonthLimit(items)
if (len(items) == 0):
return
if (self.mByWeekNo is not None) and (len(self.mByWeekNo) != 0):
items[:] = self.byWeekNoLimit(items)
if (len(items) == 0):
return
# No BYYEARDAY
if (self.mByMonthDay is not None) and (len(self.mByMonthDay) != 0):
items[:] = self.byMonthDayLimit(items)
if (len(items) == 0):
return
if (self.mByDay is not None) and (len(self.mByDay) != 0):
items[:] = self.byDayLimit(items)
if (len(items) == 0):
return
if (self.mByHours is not None) and (len(self.mByHours) != 0):
items[:] = self.byHourLimit(items)
if (len(items) == 0):
return
if (self.mByMinutes is not None) and (len(self.mByMinutes) != 0):
items[:] = self.byMinuteLimit(items)
if (len(items) == 0):
return
if (self.mBySeconds is not None) and (len(self.mBySeconds) != 0):
items[:] = self.bySecondLimit(items)
if (len(items) == 0):
return
if (self.mBySetPos is not None) and (len(self.mBySetPos) != 0):
items[:] = self.bySetPosLimit(items)
def byMonthExpand(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYMONTH and generating a new date-time for it and
# insert into output
for iter2 in self.mByMonth:
temp = iter1.duplicate()
temp.setMonth(iter2)
output.append(temp)
return output
def byWeekNoExpand(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYWEEKNO and generating a new date-time for it and
# insert into output
for iter2 in self.mByWeekNo:
temp = iter1.duplicate()
temp.setWeekNo(iter2)
output.append(temp)
return output
def byYearDayExpand(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYYEARDAY and generating a new date-time for it
# and insert into output
for iter2 in self.mByYearDay:
temp = iter1.duplicate()
temp.setYearDay(iter2)
output.append(temp)
return output
def byMonthDayExpand(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYMONTHDAY and generating a new date-time for it
# and insert into output
for iter2 in self.mByMonthDay:
temp = iter1.duplicate()
temp.setMonthDay(iter2)
output.append(temp)
return output
def byDayExpandYearly(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYDAY and generating a new date-time for it and
# insert into output
for iter2 in self.mByDay:
# Numeric value means specific instance
if iter2[0] != 0:
temp = iter1.duplicate()
temp.setDayOfWeekInYear(iter2[0], iter2[1])
output.append(temp)
else:
# Every matching day in the year
for i in range(1, 54):
temp = iter1.duplicate()
temp.setDayOfWeekInYear(i, iter2[1])
if temp.getYear() == (iter1).getYear():
output.append(temp)
return output
def byDayExpandMonthly(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYDAY and generating a new date-time for it and
# insert into output
for iter2 in self.mByDay:
# Numeric value means specific instance
if iter2[0] != 0:
temp = iter1.duplicate()
temp.setDayOfWeekInMonth(iter2[0], iter2[1])
output.append(temp)
else:
# Every matching day in the month
for i in range(1, 7):
temp = iter1.duplicate()
temp.setDayOfWeekInMonth(i, iter2[1])
if temp.getMonth() == iter1.getMonth():
output.append(temp)
return output
def byDayExpandWeekly(self, dates):
# Must take into account the WKST value
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYDAY and generating a new date-time for it and
# insert into output
for iter2 in self.mByDay:
# Numeric values are meaningless so ignore them
if iter2[0] == 0:
temp = iter1.duplicate()
# Determine amount of offset to apply to temp to shift it
# to the start of the week (backwards)
week_start_offset = self.mWeekstart - temp.getDayOfWeek()
if week_start_offset > 0:
week_start_offset -= 7
# Determine amount of offset from the start of the week to
# the day we want (forwards)
day_in_week_offset = iter2[1] - self.mWeekstart
if day_in_week_offset < 0:
day_in_week_offset += 7
# Apply offsets
temp.offsetDay(week_start_offset + day_in_week_offset)
output.append(temp)
return output
def byHourExpand(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYHOUR and generating a new date-time for it and
# insert into output
for iter2 in self.mByHours:
temp = iter1.duplicate()
temp.setHours(iter2)
output.append(temp)
return output
def byMinuteExpand(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYMINUTE and generating a new date-time for it and
# insert into output
for iter2 in self.mByMinutes:
temp = iter1.duplicate()
temp.setMinutes(iter2)
output.append(temp)
return output
def bySecondExpand(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYSECOND and generating a new date-time for it and
# insert into output
for iter2 in self.mBySeconds:
temp = iter1.duplicate()
temp.setSeconds(iter2)
output.append(temp)
return output
def byMonthLimit(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYMONTH and indicate keep if input month matches
keep = False
for iter2 in self.mByMonth:
keep = (iter1.getMonth() == iter2)
if keep:
break
if keep:
output.append(iter1)
return output
def byWeekNoLimit(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYWEEKNO and indicate keep if input month matches
keep = False
for iter2 in self.mByWeekNo:
keep = iter1.isWeekNo(iter2)
if keep:
break
if keep:
output.append(iter1)
return output
def byMonthDayLimit(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYMONTHDAY and indicate keep if input month
# matches
keep = False
for iter2 in self.mByMonthDay:
keep = iter1.isMonthDay(iter2)
if keep:
break
if keep:
output.append(iter1)
return output
def byDayLimit(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYDAY and indicate keep if input month matches
keep = False
for iter2 in self.mByDay:
keep = iter1.isDayOfWeekInMonth(iter2[0], iter2[1])
if keep:
break
if keep:
output.append(iter1)
return output
def byHourLimit(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYHOUR and indicate keep if input hour matches
keep = False
for iter2 in self.mByHours:
keep = (iter1.getHours() == iter2)
if keep:
break
if keep:
output.append(iter1)
return output
def byMinuteLimit(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYMINUTE and indicate keep if input minute matches
keep = False
for iter2 in self.mByMinutes:
keep = (iter1.getMinutes() == iter2)
if keep:
break
if keep:
output.append(iter1)
return output
def bySecondLimit(self, dates):
# Loop over all input items
output = []
for iter1 in dates:
# Loop over each BYSECOND and indicate keep if input second matches
keep = False
for iter2 in self.mBySeconds:
keep = (iter1.getSeconds() == iter2)
if keep:
break
if keep:
output.append(iter1)
return output
def bySetPosLimit(self, dates):
# The input dates MUST be sorted in order for this to work properly
#dates.sort(cmp=PyCalendarDateTime.sort)
dates.sort(key=lambda x:x.getPosixTime())
# Loop over each BYSETPOS and extract the relevant component from the
# input array and add to the output
output = []
input_size = len(dates)
for iter in self.mBySetPos:
if iter > 0:
# Positive values are offset from the start
if iter <= input_size:
output.append(dates[iter - 1])
elif iter < 0:
# Negative values are offset from the end
if -iter <= input_size:
output.append(dates[input_size + iter])
return output
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