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gramps/src/PedView.py
Don Allingham 6b2bf53b49 * src/gramps.glade: remove name display options 
* src/GrampsCfg.py: remove name displaying functions
* src/Makefile.am: add NameDisplay.py to list
* src/NameDisplay.py: New name displaying class
* src/Utils.py: use new NameDisplay class
* src/AddSpouse.py: use new NameDisplay class
* src/AddrEdit.py: use new NameDisplay class
* src/Bookmarks.py: use new NameDisplay class
* src/ChooseParents.py: use new NameDisplay class
* src/DisplayModels.py: use new NameDisplay class
* src/EditPerson.py: use new NameDisplay class
* src/EditPlace.py: use new NameDisplay class
* src/EditSource.py: use new NameDisplay class
* src/FamilyView.py: use new NameDisplay class
* src/GenericFilter.py: use new NameDisplay class
* src/ImageSelect.py: use new NameDisplay class
* src/Marriage.py: use new NameDisplay class
* src/MergeData.py: use new NameDisplay class
* src/NameEdit.py: use new NameDisplay class
* src/PedView.py: use new NameDisplay class
* src/PeopleModel.py: use new NameDisplay class
* src/ReadGedcom.py: use new NameDisplay class
* src/Report.py: use new NameDisplay class
* src/SelectChild.py: use new NameDisplay class
* src/SubstKeywords.py: use new NameDisplay class
* src/Witness.py: use new NameDisplay class
* src/WriteGedcom.py: use new NameDisplay class
* src/gramps_main.py: use new NameDisplay class
* src/plugins/Desbrowser.py: use new NameDisplay class
* src/plugins/Merge.py: use new NameDisplay class
* src/plugins/RelCalc.py: use new NameDisplay class


svn: r3852
2005-01-01 04:27:15 +00:00

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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2001-2004 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
#
# $Id$
#-------------------------------------------------------------------------
#
# GTK/Gnome modules
#
#-------------------------------------------------------------------------
import gtk
import gtk.gdk
import gnome.canvas
import pango
#-------------------------------------------------------------------------
#
# Gramps Modules
#
#-------------------------------------------------------------------------
import GrampsCfg
from gettext import gettext as _
import Relationship
import NameDisplay
_PAD = 3
_CANVASPAD = 3
_PERSON = "p"
_BORN = _('b.')
_DIED = _('d.')
#-------------------------------------------------------------------------
#
# DispBox class
#
#-------------------------------------------------------------------------
class DispBox:
"""
This class handles the person box, including its expanded and
shrunk states, as well as the callbacks for events occurring in the box.
"""
def __init__(self,root,style,x,y,w,h,person,db,change,edit,build_menu):
shadow = _PAD
xpad = _PAD
self.change = change
self.edit = edit
self.build_menu = build_menu
self.x = x
self.y = y
self.w = w
self.h = h
self.person = person
self.root = root
self.name = NameDisplay.displayer.display(person)
birth_handle = self.person.get_birth_handle()
death_handle = self.person.get_death_handle()
if birth_handle:
bd = db.get_event_from_handle(birth_handle).get_date()
else:
bd = ""
if death_handle:
dd = db.get_event_from_handle(death_handle).get_date()
else:
dd = ""
if bd and dd:
self.exp = "%s\n%s %s\n%s %s" % (self.name,_BORN,bd,_DIED,dd )
elif bd:
self.exp = "%s\n%s %s" % (self.name,_BORN,bd )
elif dd:
self.exp = "%s\n%s %s" % (self.name,_DIED,dd )
else:
self.exp = "%s" % self.name
self.group = self.root.add(gnome.canvas.CanvasGroup,x=x,y=y)
self.shadow = self.group.add(gnome.canvas.CanvasRect,
x1=shadow,
y1=shadow,
x2=w+shadow,
y2=h+shadow,
outline_color_gdk=style.dark[gtk.STATE_NORMAL],
fill_color_gdk=style.dark[gtk.STATE_NORMAL])
# draw the real box
self.bkgnd = self.group.add(gnome.canvas.CanvasRect,
x1=0,
y1=0,
x2=w,
y2=h,
outline_color_gdk=style.fg[gtk.STATE_NORMAL],
fill_color_gdk=style.base[gtk.STATE_NORMAL])
font = gtk.gdk.font_from_description(style.font_desc)
self.textbox = self.group.add(gnome.canvas.CanvasText,
x=xpad,
y=h/2.0,
text=self.name,
fill_color_gdk=style.text[gtk.STATE_NORMAL],
font=font, anchor=gtk.ANCHOR_WEST)
self.group.connect('event',self.group_event)
self.group.set_data(_PERSON,person.get_handle())
def cleanup(self):
self.shadow.destroy()
self.bkgnd.destroy()
self.textbox.destroy()
self.group.destroy()
return
def group_event(self,obj,event):
"""Handle events over a drawn box. Doubleclick would edit,
shift doubleclick would change the active person, entering
the box expands it to display more information, leaving a
box returns it to the original size and information"""
if event.type == gtk.gdk._2BUTTON_PRESS:
self.edit(self.person)
return 0
elif event.type == gtk.gdk.ENTER_NOTIFY:
self.expand()
return 0
elif event.type == gtk.gdk.LEAVE_NOTIFY:
self.shrink()
return 0
if event.type == gtk.gdk.BUTTON_PRESS and event.button == 3:
self.build_menu(event,self.person)
return gtk.TRUE
return 0
def expand(self):
"""Expand a box to include additional information"""
self.textbox.set(text=self.exp)
self.bkgnd.set(y1=-self.h,y2=self.h*2)
self.shadow.set(y1=-self.h+_PAD,y2=self.h*2+_PAD)
def shrink(self):
"""Expand a box to include additional information"""
self.textbox.set(text=self.name)
self.bkgnd.set(y1=0,y2=self.h)
self.shadow.set(y1=_PAD,y2=self.h+_PAD)
#-------------------------------------------------------------------------
#
# PedigreeView
#
#-------------------------------------------------------------------------
class PedigreeView:
def __init__(self,parent,canvas,update,status_bar,change_active,lp):
self.parent = parent
self.canvas = canvas
self.canvas_items = []
self.boxes = []
self.root = self.canvas.root()
self.active_person = None
r = Relationship.RelationshipCalculator(self.parent.db)
self.distance = r.get_relationship_distance
self.x1 = 0
self.x2 = 0
self.y1 = 0
self.y2 = 0
self.update = update
self.sb = status_bar
self.change_active_person = change_active
self.load_person = lp
self.anchor = None
self.canvas.parent.connect('button-press-event',self.on_canvas_press)
def clear(self):
for i in self.canvas_items:
i.destroy()
for i in self.boxes:
i.cleanup()
def load_canvas(self, person):
"""Redraws the pedigree view window, using the passed person
as the root person of the tree."""
self.clear()
if person is not self.active_person:
self.active_person = person
if person == None:
return
h = 0
w = 0
(x2,y2) = self.canvas.get_size()
self.canvas.set_scroll_region(0,0,x2,y2)
style = self.canvas.get_style()
font = gtk.gdk.font_from_description(style.font_desc)
lst = [None]*31
self.find_tree(self.active_person,0,1,lst)
# determine the largest string width and height for calcuation
# of box sizes.
a = pango.Layout(self.canvas.get_pango_context())
for t in lst:
if t:
birth_handle = t[0].get_birth_handle()
death_handle = t[0].get_death_handle()
if birth_handle:
birth = self.parent.db.get_event_from_handle(birth_handle).get_date()
else:
birth = u""
if death_handle:
death = self.parent.db.get_event_from_handle(death_handle).get_date()
else:
death = u""
for n in [NameDisplay.displayer.display(t[0]), u'%s %s' % (_BORN,birth),
u'%s %s' % (_DIED,death)]:
try:
a.set_text(n,len(n))
except TypeError:
a.set_text(n)
(w1,h1) = a.get_pixel_size()
h = max(h,h1)
w = max(w,w1)
cpad = 10
w = w+_PAD
cw = x2-(2*cpad)-10-h
ch = y2-(2*cpad)
if 5*w < cw and 24*h < ch:
gen = 31
xdiv = 5.0
elif 4*w < cw and 12*h < ch:
gen = 15
xdiv = 4.0
else:
gen = 7
xdiv = 3.0
xpts = self.build_x_coords(cw/xdiv,_CANVASPAD+h)
ypts = self.build_y_coords((ch-h)/32.0, h)
self.anchor_txt = self.root.add(gnome.canvas.CanvasText,
x=0,
y=y2-12,
font=font,
text=self.make_anchor_label(),
fill_color_gdk=style.fg[gtk.STATE_NORMAL],
anchor=gtk.ANCHOR_WEST)
self.canvas_items.append(self.anchor_txt)
for family_handle in self.active_person.get_family_handle_list():
family = self.parent.db.get_family_from_handle(family_handle)
if len(family.get_child_handle_list()) > 0:
button,arrow = self.make_arrow_button(gtk.ARROW_LEFT,
self.on_show_child_menu)
item = self.root.add(gnome.canvas.CanvasWidget, widget=button,
x=_CANVASPAD, y=ypts[0]+(h/2.0),
height=h, width=h,
size_pixels=1, anchor=gtk.ANCHOR_WEST)
self.canvas_items.append(item)
self.canvas_items.append(button)
self.canvas_items.append(arrow)
break
if lst[1]:
p = lst[1]
self.add_parent_button(p[0],x2-_PAD,ypts[1],h)
if lst[2]:
p = lst[2]
self.add_parent_button(p[0],x2-_PAD,ypts[2],h)
gen_no = 1
if self.anchor:
(firstRel,secondRel,common) = self.distance(self.active_person,self.anchor)
if not common or type(common) in [type(''),type(u'')]:
self.remove_anchor()
else:
gen_no = len(firstRel)-len(secondRel)
for i in range(int(xdiv)):
item = self.root.add(gnome.canvas.CanvasText, x=(cw*i/xdiv + cpad), y=h,
text=str(gen_no),
font=font,
anchor=gtk.ANCHOR_WEST)
self.canvas_items.append(item)
gen_no = gen_no + 1
for i in range(gen):
if lst[i]:
if i < int(gen/2.0):
findex = (2*i)+1
mindex = findex+1
if lst[findex]:
p = lst[findex]
self.draw_canvas_line(xpts[i], ypts[i], xpts[findex],
ypts[findex], h, w, p[0], style, p[1])
if lst[mindex]:
p = lst[mindex]
self.draw_canvas_line(xpts[i],ypts[i], xpts[mindex],
ypts[mindex], h, w, p[0], style, p[1])
p = lst[i]
box = DispBox(self.root,style,xpts[i],ypts[i],w,h,p[0],self.parent.db,
self.change_active_person,
self.load_person, self.build_full_nav_menu)
self.boxes.append(box)
self.change_active_person(person)
def make_arrow_button(self,direction,function):
"""Make a button containing an arrow with the attached callback"""
arrow = gtk.Arrow(direction,gtk.SHADOW_NONE)
button = gtk.Button()
button.add(arrow)
button.connect("clicked",function)
arrow.show()
button.show()
return (button, arrow)
def set_anchor(self):
if self.active_person:
self.anchor = self.active_person
else:
self.anchor = None
self.anchor_txt.set(text=self.make_anchor_label())
def remove_anchor(self):
self.anchor = None
self.anchor_txt.set(text=self.make_anchor_label())
def on_anchor_set(self,junk):
self.set_anchor()
self.load_canvas(self.active_person)
def on_anchor_removed(self,junk):
self.remove_anchor()
self.load_canvas(self.active_person)
def make_anchor_label(self):
"""Make a label containing the name of the anchored person"""
if self.anchor:
anchor_string = self.anchor.get_primary_name().get_regular_name()
return "%s: %s" % (_("Anchor"),anchor_string)
else:
return ""
def on_show_child_menu(self,obj):
"""User clicked button to move to child of active person"""
if self.active_person:
# Build and display the menu attached to the left pointing arrow
# button. The menu consists of the children of the current root
# person of the tree. Attach a child to each menu item.
childlist = find_children(self.parent.db,self.active_person)
if len(childlist) == 1:
child = self.parent.db.get_person_from_handle(childlist[0])
if child:
self.load_canvas(child)
elif len(childlist) > 1:
myMenu = gtk.Menu()
for child_handle in childlist:
child = self.parent.db.get_person_from_handle(child_handle)
cname = NameDisplay.displayer.display(child)
menuitem = gtk.MenuItem(None)
if find_children(self.parent.db,child):
label = gtk.Label('<b><i>%s</i></b>' % cname)
else:
label = gtk.Label(cname)
label.set_use_markup(gtk.TRUE)
label.show()
label.set_alignment(0,0)
menuitem.add(label)
myMenu.append(menuitem)
menuitem.set_data(_PERSON,child_handle)
menuitem.connect("activate",self.on_childmenu_changed)
menuitem.show()
myMenu.popup(None,None,None,0,0)
return 1
def on_childmenu_changed(self,obj):
"""Callback for the pulldown menu selection, changing to the person
attached with menu item."""
person_handle = obj.get_data(_PERSON)
person = self.parent.db.get_person_from_handle(person_handle)
if person:
self.load_canvas(person)
return 1
def add_parent_button(self,parent,x,y,h):
"""Add a button with a right pointing button on the main group at
the specified location. Attach the passed parent and the callback
to the button."""
button,arrow = self.make_arrow_button(gtk.ARROW_RIGHT,self.change_to_parent)
button.set_data(_PERSON,parent.get_handle())
item = self.root.add(gnome.canvas.CanvasWidget, widget=button, x=x, y=y+(h/2),
height=h, width=h, size_pixels=1,
anchor=gtk.ANCHOR_EAST)
self.canvas_items.append(arrow)
self.canvas_items.append(item)
self.canvas_items.append(button)
def change_to_parent(self,obj):
"""Callback to right pointing arrow button. Gets the person
attached to the button and change the root person to that
person, redrawing the view."""
person_handle = obj.get_data(_PERSON)
person = self.parent.db.get_person_from_handle(person_handle)
if self.active_person:
self.active_person = person
self.load_canvas(person)
def draw_canvas_line(self,x1,y1,x2,y2,h,w,data,style,ls):
"""Draw an two segment line between the x,y point pairs. Attach
a event callback and data to the line."""
startx = x1+(w/2.0)
pts = [startx,y1, startx,y2+(h/2.0), x2,y2+(h/2.0)]
item = self.root.add(gnome.canvas.CanvasLine, width_pixels=2,
points=pts, line_style=ls,
fill_color_gdk=style.fg[gtk.STATE_NORMAL])
item.set_data(_PERSON,data.get_handle())
item.connect("event",self.line_event)
self.canvas_items.append(item)
def build_x_coords(self,x,cpad):
"""Build the array of x coordinates for the possible positions
on the pedegree view."""
return [cpad] + [x+cpad]*2 + [x*2+cpad]*4 + [x*3+cpad]*8 + [x*4+cpad]*16
def build_y_coords(self, y, top_pad):
"""Build the array of y coordinates for the possible positions
on the pedegree view."""
res = [ y*16.0, y*8.0, y*24.0, y*4.0, y*12.0, y*20.0, y*28.0, y*2.0,
y*6.0, y*10.0, y*14.0, y*18.0, y*22.0, y*26.0, y*30.0, y,
y*3.0, y*5.0, y*7.0, y*9.0, y*11.0, y*13.0, y*15.0, y*17.0,
y*19.0, y*21.0, y*23.0, y*25.0, y*27.0, y*29.0, y*31.0 ]
return map(lambda coord, top_pad=top_pad: coord + top_pad, res)
def line_event(self,obj,event):
"""Catch X events over a line and respond to the ones we care about"""
person_handle = obj.get_data(_PERSON)
person = self.parent.db.get_person_from_handle(person_handle)
style = self.canvas.get_style()
if event.type == gtk.gdk._2BUTTON_PRESS:
if event.button == 1 and event.type == gtk.gdk._2BUTTON_PRESS:
self.load_canvas(person)
elif event.type == gtk.gdk.ENTER_NOTIFY:
obj.set(fill_color_gdk=style.bg[gtk.STATE_SELECTED],
width_pixels=4)
name = NameDisplay.displayer.display(person)
msg = _("Double clicking will make %s the active person") % name
self.sb.set_status(msg)
elif event.type == gtk.gdk.LEAVE_NOTIFY:
obj.set(fill_color_gdk=style.fg[gtk.STATE_NORMAL], width_pixels=2)
self.update()
def find_tree(self,person,index,depth,lst,val=0):
"""Recursively build a list of ancestors"""
if depth > 5 or person == None:
return
lst[index] = (person,val)
parent_families = person.get_parent_family_handle_list()
if parent_families:
(family_handle,m,f) = parent_families[0]
else:
return
if family_handle:
mrel = (m != "Birth")
frel = (f != "Birth")
family = self.parent.db.get_family_from_handle(family_handle)
if family != None:
father_handle = family.get_father_handle()
if father_handle != None:
father = self.parent.db.get_person_from_handle(father_handle)
self.find_tree(father,(2*index)+1,depth+1,lst,frel)
mother_handle = family.get_mother_handle()
if mother_handle != None:
mother = self.parent.db.get_person_from_handle(mother_handle)
self.find_tree(mother,(2*index)+2,depth+1,lst,mrel)
def on_canvas1_event(self,obj,event):
"""Handle resize events over the canvas, redrawing if the size changes"""
if event.type == gtk.gdk.EXPOSE:
x1,y1,x2,y2 = self.canvas.get_allocation()
if self.x1 != x1 or self.x2 != x2 or \
self.y1 != y1 or self.y2 != y2:
self.x1 = x1; self.x2 = x2
self.y1 = y1; self.y2 = y2
self.load_canvas(self.active_person)
return 0
def on_canvas_press(self,obj,event):
if event.type == gtk.gdk.BUTTON_PRESS and event.button == 3:
self.build_nav_menu(event)
return gtk.TRUE
return gtk.FALSE
def add_nav_portion_to_menu(self,menu):
"""
This function adds a common history-navigation portion
to the context menu. Used by both build_nav_menu() and
build_full_nav_menu() methods.
"""
back_sensitivity = self.parent.hindex > 0
fwd_sensitivity = self.parent.hindex + 1 < len(self.parent.history)
entries = [
(gtk.STOCK_GO_BACK,self.parent.back_clicked,back_sensitivity),
(gtk.STOCK_GO_FORWARD,self.parent.fwd_clicked,fwd_sensitivity),
#FIXME: revert to stock item when German gtk translation is fixed
#(gtk.STOCK_HOME,self.parent.on_home_clicked,1),
(_("Home"),self.parent.on_home_clicked,1),
(None,None,0),
(_("Set anchor"),self.on_anchor_set,1),
(_("Remove anchor"),self.on_anchor_removed,1),
]
for stock_id,callback,sensitivity in entries:
item = gtk.ImageMenuItem(stock_id)
#FIXME: remove when German gtk translation is fixed
if stock_id == _("Home"):
im = gtk.image_new_from_stock(gtk.STOCK_HOME,gtk.ICON_SIZE_MENU)
im.show()
item.set_image(im)
if callback:
item.connect("activate",callback)
item.set_sensitive(sensitivity)
item.show()
menu.append(item)
def build_nav_menu(self,event):
"""Builds the menu with only history-based navigation."""
menu = gtk.Menu()
menu.set_title(_('People Menu'))
self.add_nav_portion_to_menu(menu)
menu.popup(None,None,None,event.button,event.time)
def build_full_nav_menu(self,event,person):
"""
Builds the full menu (including Siblings, Spouses, Children,
and Parents) with navigation.
"""
menu = gtk.Menu()
menu.set_title(_('People Menu'))
# Go over spouses and build their menu
item = gtk.MenuItem(_("Spouses"))
fam_list = person.get_family_handle_list()
no_spouses = 1
for fam_id in fam_list:
family = self.parent.db.get_family_from_handle(fam_id)
if family.get_father_handle() == person.get_handle():
sp_id = family.get_mother_handle()
else:
sp_id = family.get_father_handle()
spouse = self.parent.db.get_person_from_handle(sp_id)
if not spouse:
continue
if no_spouses:
no_spouses = 0
item.set_submenu(gtk.Menu())
sp_menu = item.get_submenu()
sp_item = gtk.MenuItem(NameDisplay.displayer.display(spouse))
sp_item.set_data(_PERSON,sp_id)
sp_item.connect("activate",self.on_childmenu_changed)
sp_item.show()
sp_menu.append(sp_item)
if no_spouses:
item.set_sensitive(0)
item.show()
menu.append(item)
# Go over siblings and build their menu
item = gtk.MenuItem(_("Siblings"))
pfam_list = person.get_parent_family_handle_list()
no_siblings = 1
for (f,mrel,frel) in pfam_list:
fam = self.parent.db.get_family_from_handle(f)
sib_list = fam.get_child_handle_list()
for sib_id in sib_list:
if sib_id == person.get_handle():
continue
sib = self.parent.db.get_person_from_handle(sib_id)
if not sib:
continue
if no_siblings:
no_siblings = 0
item.set_submenu(gtk.Menu())
sib_menu = item.get_submenu()
sib_item = gtk.MenuItem(NameDisplay.displayer.display(sib))
sib_item.set_data(_PERSON,sib_id)
sib_item.connect("activate",self.on_childmenu_changed)
sib_item.show()
sib_menu.append(sib_item)
if no_siblings:
item.set_sensitive(0)
item.show()
menu.append(item)
# Go over children and build their menu
item = gtk.MenuItem(_("Children"))
no_children = 1
childlist = find_children(self.parent.db,person)
for child_handle in childlist:
child = self.parent.db.get_person_from_handle(child_handle)
if not child:
continue
if no_children:
no_children = 0
item.set_submenu(gtk.Menu())
child_menu = item.get_submenu()
if find_children(self.parent.db,child):
label = gtk.Label('<b><i>%s</i></b>' % NameDisplay.displayer.display(child))
else:
label = gtk.Label(NameDisplay.displayer.display(child))
child_item = gtk.MenuItem(None)
label.set_use_markup(gtk.TRUE)
label.show()
label.set_alignment(0,0)
child_item.add(label)
child_item.set_data(_PERSON,child_handle)
child_item.connect("activate",self.on_childmenu_changed)
child_item.show()
child_menu.append(child_item)
if no_children:
item.set_sensitive(0)
item.show()
menu.append(item)
# Go over parents and build their menu
item = gtk.MenuItem(_("Parents"))
no_parents = 1
par_list = find_parents(self.parent.db,person)
for par_id in par_list:
par = self.parent.db.get_person_from_handle(par_id)
if not par:
continue
if no_parents:
no_parents = 0
item.set_submenu(gtk.Menu())
par_menu = item.get_submenu()
if find_parents(self.parent.db,par):
label = gtk.Label('<b><i>%s</i></b>' % NameDisplay.displayer.display(par))
else:
label = gtk.Label(NameDisplay.displayer.display(par))
par_item = gtk.MenuItem(None)
label.set_use_markup(gtk.TRUE)
label.show()
label.set_alignment(0,0)
par_item.add(label)
par_item.set_data(_PERSON,par_id)
par_item.connect("activate",self.on_childmenu_changed)
par_item.show()
par_menu.append(par_item)
if no_parents:
item.set_sensitive(0)
item.show()
menu.append(item)
# Add separator
item = gtk.MenuItem(None)
item.show()
menu.append(item)
# Add history-based navigation
self.add_nav_portion_to_menu(menu)
menu.popup(None,None,None,event.button,event.time)
#-------------------------------------------------------------------------
#
# Function to return children's list of a person
#
#-------------------------------------------------------------------------
def find_children(db,p):
"""
Returns the list of all children's IDs for a person.
"""
childlist = []
for family_handle in p.get_family_handle_list():
family = db.get_family_from_handle(family_handle)
for child_handle in family.get_child_handle_list():
childlist.append(child_handle)
return childlist
#-------------------------------------------------------------------------
#
# Function to return parent's list of a person
#
#-------------------------------------------------------------------------
def find_parents(db,p):
"""
Returns the unique list of all parents' IDs for a person.
"""
parentlist = []
for (f,mrel,frel) in p.get_parent_family_handle_list():
family = db.get_family_from_handle(f)
father_handle = family.get_father_handle()
mother_handle = family.get_mother_handle()
if father_handle not in parentlist:
parentlist.append(father_handle)
if mother_handle not in parentlist:
parentlist.append(mother_handle)
return parentlist
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