Add "People missing parent" filter.

svn: r8637

ChangeLog

@@ -1,3 +1,9 @@
+2007-06-23  Brian Matherly  <brian@gramps-project.org>
+	* src/Filters/Rules/Person/__init__.py:
+	* src/Filters/Rules/Person/Makefile.am:
+	* src/Filters/Rules/Person/_MissingParent.py:
+	  Add "People missing parent" filter.
+
 2007-06-23  Brian Matherly  <brian@gramps-project.org>
 	* src/ReportBase/_ReportDialog.py: Fix attribute error exceptions.
 

src/Filters/Rules/Person/Makefile.am

@@ -49,6 +49,7 @@ pkgdata_PYTHON = \
 	_IsSpouseOfFilterMatch.py \
 	_IsWitness.py \
 	_MatchesFilter.py \
+	_PissingParent.py \
 	_MultipleMarriages.py \
 	_NeverMarried.py \
 	_NoBirthdate.py \

src/Filters/Rules/Person/_MissingParent.py

@@ -0,0 +1,62 @@
+#
+# Gramps - a GTK+/GNOME based genealogy program
+#
+# Copyright (C) 2007 Johan Gronqvist (johan.gronqvist@gmail.com)
+# copyright (C) 2007 Brian G. Matherly
+#
+# 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
+#
+
+
+#-------------------------------------------------------------------------
+#
+# Standard Python modules
+#
+#-------------------------------------------------------------------------
+from gettext import gettext as _
+
+#-------------------------------------------------------------------------
+#
+# GRAMPS modules
+#
+#-------------------------------------------------------------------------
+from Filters.Rules._Rule import Rule
+
+#-------------------------------------------------------------------------
+# "People with less than 2 parents"
+#-------------------------------------------------------------------------
+class MissingParent(Rule):
+    """People with less than two parents"""
+
+    name        = _('People missing parents')
+    description = _("Matches people that are children"
+                    " in a family with less than two parents"
+                    " or are not children in any family.")
+    category    = _('Family filters')
+
+    def apply(self,db,person):
+        families = person.get_parent_family_handle_list()
+        if families == []:
+            return True
+        for family_handle in person.get_parent_family_handle_list():
+            family = db.get_family_from_handle(family_handle)
+            father_handle = family.get_father_handle()
+            mother_handle = family.get_mother_handle()
+            if not father_handle: 
+                return True
+            if not mother_handle:
+                return True
+        return False
+        

src/Filters/Rules/Person/__init__.py

@@ -80,6 +80,7 @@ from _IsSiblingOfFilterMatch import IsSiblingOfFilterMatch
 from _IsSpouseOfFilterMatch import IsSpouseOfFilterMatch
 from _IsWitness import IsWitness
 from _MatchesFilter import MatchesFilter
+from _MissingParent import MissingParent
 from _MultipleMarriages import MultipleMarriages
 from _NeverMarried import NeverMarried
 from _NoBirthdate import NoBirthdate
@@ -147,6 +148,7 @@ editor_rule_list = [
     HasCommonAncestorWith,
     HasCommonAncestorWithFilterMatch,
     MatchesFilter,
+    MissingParent,
     IsChildOfFilterMatch,
     IsParentOfFilterMatch,
     IsSpouseOfFilterMatch,