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#
# $Id: Datebook.py,v 1.2 1999/12/11 12:35:11 rob Exp $
#
# Copyright 1998-1999 Rob Tillotson <robt@debian.org>
# All Rights Reserved
#
# Permission to use, copy, modify, and distribute this software and
# its documentation for any purpose and without fee or royalty is
# hereby granted, provided that the above copyright notice appear in
# all copies and that both the copyright notice and this permission
# notice appear in supporting documentation or portions thereof,
# including modifications, that you you make.
#
# THE AUTHOR ROB TILLOTSON DISCLAIMS ALL WARRANTIES WITH REGARD TO
# THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
# RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
# CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE!
#
"""Date Book.
"""
__version__ = '$Id: Datebook.py,v 1.2 1999/12/11 12:35:11 rob Exp $'
__copyright__ = 'Copyright 1998-1999 Rob Tillotson <robt@debian.org>'
import string, struct
import Pyrite
import Pyrite.Connector
from Pyrite import FLD_TIME_T, FLD_INT, FLD_UNKNOWN, FLD_STRING, _
from Pyrite import Blocks
class Connector(Pyrite.Connector.Connector):
name = 'Datebook'
version = Pyrite.version
author = Pyrite.author
url = ''
description = _("The built in date book.")
def __init__(self, *a, **kw):
apply(Pyrite.Connector.Connector.__init__, (self,)+a, kw)
self.default_name = 'DatebookDB'
self.default_class = Database
self.default_creator = 'date'
self.default_type = 'DATA'
def classify(self, info = {}):
if info.get('type') == 'DATA' and info.get('creator') == 'date':
return Database
_fields = { 'begin': (FLD_TIME_T, (0,0,0,0,0,0,0,0,0)),
'end': (FLD_TIME_T, None),
'alarm': (FLD_TIME_T, None),
'repeatWeekStart': (FLD_INT, 0),
'repeat': (FLD_UNKNOWN, None),
'repeatEnd': (FLD_UNKNOWN, None),
'exceptions': (FLD_UNKNOWN, None),
'description': (FLD_STRING, ''),
'note': (FLD_STRING, '')
}
alarmTypeNames = ['Minutes', 'Hours', 'Days']
repeatTypeNames = ['None', 'Daily', 'Weekly', 'MonthlyByDay',
'MonthlyByDate', 'Yearly']
repeatNone = 0
repeatDaily = 1
repeatWeekly = 2
repeatMonthlyByDay = 3
repeatMonthlyByDate = 4
repeatYearly = 5
alarmFlag = 64
repeatFlag = 32
noteFlag = 16
exceptFlag = 8
descFlag = 4
class Record(Blocks.Record):
def __init__(self, *a, **kw):
self.fields = _fields
apply(Pyrite.Record.__init__, (self,)+a, kw)
def unpack(self, raw):
self.raw = raw
bh, bm, eh, em, d, flags = struct.unpack('>BBBBHbx', raw[:8])
if bh == 0xff and bm == 0xff:
ev = 1
bh = bm = eh = em = 0
else: ev = 0
self.data['begin'] = Blocks.palm_date_to_tuple(d, bh, bm)
if ev: self.data['end'] = None
else: self.data['end'] = Blocks.palm_date_to_tuple(d, eh, em)
raw = raw[8:]
if flags & alarmFlag:
adv, au = struct.unpack('>bb', raw[:2])
self.data['alarm'] = (adv, alarmTypeNames[au])
raw = raw[2:]
else:
self.data['alarm'] = None
if flags & repeatFlag:
rtype, d, rfreq, on, rws = struct.unpack('>bxHbbbx', raw[:8])
if d == 0xffff:
forever = 1
else:
forever = 0
end = Blocks.palm_date_to_tuple(d)
rday = 0
rdays = [0]*7
if rtype == repeatMonthlyByDay:
rday = on
elif rtype == repeatWeekly:
for i in range(0, 7):
if on & (1 << i): rdays[i] = 1
self.data['repeatWeekStart'] = rws
if rtype == repeatWeekly:
ri = tuple(rdays) # this might be better as a list?
elif rtype == repeatMonthlyByDay:
if rday/7 >= 4: ri = (-1,)
else: ri = (rday/7+1,)
# FIXME translate?
ri = ri + (('Sun','Mon','Tue','Wed','Thu','Fri','Sat')[rday % 7],)
else:
ri = None
if rtype == repeatNone:
self.data['repeat'] = None
else:
self.data['repeat'] = (rfreq, repeatTypeNames[rtype], ri)
if forever:
self.data['repeatEnd'] = None
else:
self.data['repeatEnd'] = end
raw = raw[8:]
else:
self.data['repeat'] = None
self.data['repeatEnd'] = None
self.data['repeatWeekStart'] = 0
if flags & exceptFlag:
n = struct.unpack('>h',raw[:2])[0]
raw = raw[2:]
exc = []
for x in range(0, n):
d = struct.unpack('>H', raw[:2])[0]
raw = raw[2:]
exc.append(Blocks.palm_date_to_tuple(d))
self['exceptions'] = exc
else:
self['exceptions'] = None
if flags & descFlag:
s, raw = string.split(raw, '\0', 1)
self['description'] = s
else:
self['description'] = None
if flags & noteFlag:
s, raw = string.split(raw, '\0', 1)
self['note'] = s
else:
self['note'] = None
def pack(self):
date = Blocks.tuple_to_palm_date(self.data['begin'])
if self.data['end'] is None:
bh = bm = eh = em = 0xff
else:
bh = self.data['begin'][3]
bm = self.data['begin'][4]
eh = self.data['end'][3]
em = self.data['end'][4]
flags = 0
raw = ''
if self.data['alarm'] is not None:
flags = flags | alarmFlag
raw = raw + struct.pack('>bb', self.data['alarm'][0],
alarmTypeNames.index(self.data['alarm'][1]))
# ?? can repeat == None while still having some repeat data?
if self.data['repeat'] is not None or \
self.data['repeatEnd'] is not None:
flags = flags | repeatFlag
if self.data['repeatEnd'] is not None:
d = Blocks.tuple_to_palm_date(self.data['repeatEnd'])
else:
d = 0xffff
if self.data['repeat']:
rfreq, rtname, ri = self.data['repeat'][:3]
rtype = repeatTypeNames.index(rtname)
else:
rfreq = 0
rtname = ri = None
rtype = 0
rws = self.data['repeatWeekStart']
on = 0
if rtype == repeatWeekly:
for i in range(0, 7):
if ri[i]: on = on | (1 << i)
elif rtype == repeatMonthlyByDay:
# FIXME translate?
rday = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'].index(ri[1])
if ri[0] == -1:
rday = 7*4+rday
else:
rday = 7*(ri[0]-1)+rday
on = rday
raw = raw + struct.pack('>bxHbbbx', rtype, d, rfreq, on, rws)
if self.data['exceptions'] is not None:
flags = flags | exceptFlag
raw = raw + struct.pack('>h', len(self.data['exceptions'])+1)
for d in self.data['exceptions']:
raw = raw + struct.pack('>H', Blocks.tuple_to_palm_date(d))
if self.data['description'] is not None:
flags = flags | descFlag
raw = raw + str(self.data['description']) + '\0'
if self.data['note'] is not None:
flags = flags | noteFlag
raw = raw + str(self.data['note']) + '\0'
raw = struct.pack('>BBBBHbx', bh, bm, eh, em, date, flags) + raw
self.raw = raw
return raw
class AppBlock(Blocks.CategoryAppBlock):
def __init__(self, *a, **kw):
self.fields = { 'startOfWeek': (FLD_INT, 0) }
apply(Blocks.CategoryAppBlock.__init__, (self,)+a, kw)
def unpack(self, raw):
self.raw = raw
raw = Blocks.CategoryAppBlock.unpack(self, raw)
if len(raw) >= 2:
self.data['startOfWeek'] = int(struct.unpack('>B', raw[0])[0])
def pack(self):
raw = Blocks.CategoryAppBlock.pack(self)
raw = raw + struct.pack('>Bb', self.data['startOfWeek'], 0)
self.raw = raw
return self.raw
class Database(Pyrite.Database):
def __init__(self, *a, **kw):
apply(Pyrite.Database.__init__, (self,)+a, kw)
self.record_class = Record
self.appblock_class = AppBlock
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