Show _DateBase.py syntax highlighted
#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2006 Donald N. Allingham
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# $Id: _DateBase.py 8899 2007-08-31 01:52:24Z dallingham $
"""
DateBase class for GRAMPS
"""
__revision__ = "$Revision: 8899 $"
from types import InstanceType
#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
from _Date import Date
#-------------------------------------------------------------------------
#
# Base classes
#
#-------------------------------------------------------------------------
class DateBase:
"""
Base class for storing date information.
"""
def __init__(self, source=None):
"""
Create a new DateBase, copying from source if not None
@param source: Object used to initialize the new object
@type source: DateBase
"""
if source:
self.date = Date(source.date)
else:
self.date = Date()
def serialize(self, no_text_date=False):
"""
Converts the object to a serialized tuple of data
"""
if self.date == None or (self.date.is_empty() and not self.date.text):
date = None
else:
date = self.date.serialize(no_text_date)
return date
def unserialize(self, data):
"""
Converts a serialized tuple of data to an object
"""
if data == None:
self.date = Date()
else:
self.date = InstanceType(Date)
self.date.unserialize(data)
def get_date_object(self):
"""
Returns the L{Date} object associated with the DateBase.
@return: Returns a DateBase L{Date} instance.
@rtype: L{Date}
"""
if not self.date:
self.date = Date()
return self.date
def set_date_object(self, date):
"""
Sets the L{Date} object associated with the DateBase.
@param date: L{Date} instance to be assigned to the DateBase
@type date: L{Date}
"""
self.date = date
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