This file is indexed.

/usr/share/pyshared/pycalendar/vtimezoneelement.py is in python-pycalendar 2.0~svn188-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
##
#    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 bisect import bisect_right
from pycalendar import definitions
from pycalendar.component import PyCalendarComponent
from pycalendar.datetime import PyCalendarDateTime
from pycalendar.icalendar.validation import ICALENDAR_VALUE_CHECKS
from pycalendar.period import PyCalendarPeriod
from pycalendar.recurrenceset import PyCalendarRecurrenceSet
from pycalendar.value import PyCalendarValue

class PyCalendarVTimezoneElement(PyCalendarComponent):

    propertyCardinality_1 = (
        definitions.cICalProperty_DTSTART,
        definitions.cICalProperty_TZOFFSETTO,
        definitions.cICalProperty_TZOFFSETFROM,
    )

    propertyCardinality_0_1 = (
        definitions.cICalProperty_RRULE,
    )

    propertyValueChecks = ICALENDAR_VALUE_CHECKS

    def __init__(self, parent=None, dt=None, offset=None):
        super(PyCalendarVTimezoneElement, self).__init__(parent=parent)
        self.mStart = dt if dt is not None else PyCalendarDateTime()
        self.mTZName = ""
        self.mUTCOffset = offset if offset is not None else 0
        self.mUTCOffsetFrom = 0
        self.mRecurrences = PyCalendarRecurrenceSet()
        self.mCachedExpandBelow = None
        self.mCachedExpandBelowItems = None

    def duplicate(self, parent=None):
        other = super(PyCalendarVTimezoneElement, self).duplicate(parent=parent)
        other.mStart = self.mStart.duplicate()
        other.mTZName = self.mTZName
        other.mUTCOffset = self.mUTCOffset
        other.mUTCOffsetFrom = self.mUTCOffsetFrom
        other.mRecurrences = self.mRecurrences.duplicate()
        other.mCachedExpandBelow = None
        other.mCachedExpandBelowItems = None
        return other

    def finalise(self):
        # Get DTSTART
        temp = self.loadValueDateTime(definitions.cICalProperty_DTSTART)
        if temp is not None:
            self.mStart = temp

        # Get TZOFFSETTO
        temp = self.loadValueInteger(definitions.cICalProperty_TZOFFSETTO, PyCalendarValue.VALUETYPE_UTC_OFFSET)
        if temp is not None:
            self.mUTCOffset = temp

        # Get TZOFFSETFROM
        temp = self.loadValueInteger(definitions.cICalProperty_TZOFFSETFROM, PyCalendarValue.VALUETYPE_UTC_OFFSET)
        if temp is not None:
            self.mUTCOffsetFrom = temp

        # Get TZNAME
        temps = self.loadValueString(definitions.cICalProperty_TZNAME)
        if temps is not None:
            self.mTZName = temps

        # Get RRULEs
        self.loadValueRRULE(definitions.cICalProperty_RRULE, self.mRecurrences, True)

        # Get RDATEs
        self.loadValueRDATE(definitions.cICalProperty_RDATE, self.mRecurrences, True)

        # Do inherited
        super(PyCalendarVTimezoneElement, self).finalise()

    def getSortKey(self):
        """
        We do not want these components sorted.
        """
        return ""

    def getStart(self):
        return self.mStart

    def getUTCOffset(self):
        return self.mUTCOffset

    def getUTCOffsetFrom(self):
        return self.mUTCOffsetFrom

    def getTZName(self):
        return self.mTZName

    def expandBelow(self, below):
        
        # Look for recurrences
        if not self.mRecurrences.hasRecurrence() or self.mStart > below:
            # Return DTSTART even if it is newer
            return self.mStart
        else:
            # We want to allow recurrence calculation caching to help us here
            # as this method
            # gets called a lot - most likely for ever increasing dt values
            # (which will therefore
            # invalidate the recurrence cache).
            #
            # What we will do is round up the date-time to the next year so
            # that the recurrence
            # cache is invalidated less frequently

            temp = PyCalendarDateTime(below.getYear(), 1, 1, 0, 0, 0)

            # Use cache of expansion
            if self.mCachedExpandBelowItems is None:
                self.mCachedExpandBelowItems = []
            if self.mCachedExpandBelow is None:
                self.mCachedExpandBelow = self.mStart.duplicate()
            if temp > self.mCachedExpandBelow:
                self.mCachedExpandBelowItems = []
                period = PyCalendarPeriod(self.mStart, temp)
                self.mRecurrences.expand(self.mStart, period, self.mCachedExpandBelowItems, float_offset=self.mUTCOffsetFrom)
                self.mCachedExpandBelow = temp
            
            if len(self.mCachedExpandBelowItems) != 0:
                # List comes back sorted so we pick the element just less than
                # the dt value we want
                i = bisect_right(self.mCachedExpandBelowItems, below)
                if i != 0:
                    return self.mCachedExpandBelowItems[i - 1]
                
                # The first one in the list is the one we want
                return self.mCachedExpandBelowItems[0]

            return self.mStart

    def expandAll(self, start, end, with_name):

        if start is None:
            start = self.mStart

        # Ignore if there is no change in offset
        offsetto = self.loadValueInteger(definitions.cICalProperty_TZOFFSETTO, PyCalendarValue.VALUETYPE_UTC_OFFSET)
        offsetfrom = self.loadValueInteger(definitions.cICalProperty_TZOFFSETFROM, PyCalendarValue.VALUETYPE_UTC_OFFSET)
#        if offsetto == offsetfrom:
#            return ()

        # Look for recurrences
        if self.mStart > end:
            # Return nothing
            return ()
        elif not self.mRecurrences.hasRecurrence():
            # Return DTSTART even if it is newer
            if self.mStart >= start:
                result = (self.mStart, offsetfrom, offsetto,)
                if with_name:
                    result += (self.getTZName(),)
                return (result,)
            else:
                return ()
        else:
            # We want to allow recurrence calculation caching to help us here
            # as this method
            # gets called a lot - most likely for ever increasing dt values
            # (which will therefore
            # invalidate the recurrence cache).
            #
            # What we will do is round up the date-time to the next year so
            # that the recurrence
            # cache is invalidated less frequently

            temp = PyCalendarDateTime(end.getYear(), 1, 1, 0, 0, 0)

            # Use cache of expansion
            if self.mCachedExpandBelowItems is None:
                self.mCachedExpandBelowItems = []
            if self.mCachedExpandBelow is None:
                self.mCachedExpandBelow = self.mStart.duplicate()
            if temp > self.mCachedExpandBelow:
                self.mCachedExpandBelowItems = []
                period = PyCalendarPeriod(self.mStart, end)
                self.mRecurrences.expand(self.mStart, period, self.mCachedExpandBelowItems, float_offset=self.mUTCOffsetFrom)
                self.mCachedExpandBelow = temp
            
            if len(self.mCachedExpandBelowItems) != 0:
                # Return them all within the range
                results = []
                for dt in self.mCachedExpandBelowItems:
                    if dt >= start and dt < end:
                        result = (dt, offsetfrom, offsetto,)
                        if with_name:
                            result += (self.getTZName(),)
                        results.append(result)
                return results

            return ()