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