gramps/src/gen/utils/fallback.py

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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2007 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
#
# $Id$
"""
Functional database interface for getting events, or fallback events.
"""
def get_birth_or_fallback(db, person):
"""
Get BIRTH event from a person, or fallback to an event around
the time of birth.
"""
birth_ref = person.get_birth_ref()
if birth_ref: # regular birth found
event = db.get_event_from_handle(birth_ref.ref)
if event:
return event
# now search the event list for fallbacks
for event_ref in person.get_primary_event_ref_list():
if event_ref:
event = db.get_event_from_handle(event_ref.ref)
if (event
and event.type.is_birth_fallback()
and event_ref.role.is_primary()):
return event
return None
def get_death_or_fallback(db, person):
"""
Get a DEATH event from a person, or fallback to an
event around the time of death.
"""
death_ref = person.get_death_ref()
if death_ref: # regular death found
event = db.get_event_from_handle(death_ref.ref)
if event:
return event
# now search the event list for fallbacks
for event_ref in person.get_primary_event_ref_list():
if event_ref:
event = db.get_event_from_handle(event_ref.ref)
if (event
and event.type.is_death_fallback()
and event_ref.role.is_primary()):
return event
return None