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gramps/gramps2/src/Utils.py
Don Allingham 5eb387daaf * src/DbPrompter.py: destroy filechooser if open cancelled. 
* src/Report.py: Use markup in dialog
* src/Utils.py: fix year handling
* src/plugins/Webpage.py: use markup


svn: r3791
2004-12-08 22:54:26 +00:00

665 lines
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Python
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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2004 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
#
# $Id$
#-------------------------------------------------------------------------
#
# Standard python modules
#
#-------------------------------------------------------------------------
import os
import locale
#-------------------------------------------------------------------------
#
# GNOME/GTK
#
#-------------------------------------------------------------------------
import gtk
import gnome
#-------------------------------------------------------------------------
#
# Gramps modules
#
#-------------------------------------------------------------------------
import const
import GrampsMime
import Date
#-------------------------------------------------------------------------
#
# internationalization
#
#-------------------------------------------------------------------------
from gettext import gettext as _
#-------------------------------------------------------------------------
#
# modified flag
#
#-------------------------------------------------------------------------
_history_brokenFlag = 0
def history_broken():
global _history_brokenFlag
_history_brokenFlag = 1
#-------------------------------------------------------------------------
#
# force_unicode
#
#-------------------------------------------------------------------------
_t = type(u'')
def force_unicode(n):
if type(n) != _t:
return (unicode(n).lower(),unicode(n))
else:
return (n.lower(),n)
#-------------------------------------------------------------------------
#
# Clears the modified flag. Should be called after data is saved.
#
#-------------------------------------------------------------------------
def clearHistory_broken():
global _history_brokenFlag
_history_brokenFlag = 0
def wasHistory_broken():
return _history_brokenFlag
#-------------------------------------------------------------------------
#
# Short hand function to return either the person's name, or an empty
# string if the person is None
#
#-------------------------------------------------------------------------
def phonebook_name(person):
if person:
return person.get_primary_name().get_name()
else:
return u''
def phonebook_upper_name(person):
if person:
return person.get_primary_name().get_upper_name()
else:
return u''
def normal_name(person):
if person:
return person.get_primary_name().get_regular_name()
else:
return u''
def upper_name(person):
if person:
return person.get_primary_name().get_regular_upper_name()
else:
return u''
def family_name(family,db):
"""Builds a name for the family from the parents names"""
father_handle = family.get_father_handle()
mother_handle = family.get_mother_handle()
father = db.get_person_from_handle(father_handle)
mother = db.get_person_from_handle(mother_handle)
if father and mother:
fname = father.get_primary_name().get_name()
mname = mother.get_primary_name().get_name()
name = _("%s and %s") % (fname,mname)
elif father:
name = father.get_primary_name().get_name()
else:
name = mother.get_primary_name().get_name()
return name
def family_upper_name(family,db):
"""Builds a name for the family from the parents names"""
father_handle = family.get_father_handle()
mother_handle = family.get_mother_handle()
father = db.get_person_from_handle(father_handle)
mother = db.get_person_from_handle(mother_handle)
if father and mother:
fname = father.get_primary_name().get_upper_name()
mname = mother.get_primary_name().get_upper_name()
name = _("%s and %s") % (fname,mname)
elif father:
name = father.get_primary_name().get_upper_name()
else:
name = mother.get_primary_name().get_upper_name()
return name
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def destroy_passed_object(obj):
obj.destroy()
while gtk.events_pending():
gtk.main_iteration()
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def get_detail_text(obj,priv=1):
if obj.get_note() != "":
details = "%s" % _("Note")
else:
details = ""
if len(obj.get_source_references()) > 0:
if details == "":
details = _("Source")
else:
details = "%s, %s" % (details,_("Source"))
if priv and obj.get_privacy() == 1:
if details == "":
details = _("Private")
else:
details = "%s, %s" % (details,_("Private"))
return details
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def build_confidence_menu(menu):
myMenu = gtk.Menu()
index = 0
for name in const.confidence:
item = gtk.MenuItem(name)
item.set_data("a",index)
item.show()
myMenu.append(item)
index = index + 1
menu.set_menu(myMenu)
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def redraw_list(dlist,clist,func):
clist.clear()
index = 0
for obj in dlist:
col = 0
node = clist.append()
for data in func(obj):
clist.set_value(node,col,data)
col = col + 1
index = index + 1
return index
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def delete_selected(obj,list):
sel = obj.get_selection()
model,node = sel.get_selected()
if node:
index = model.get_path(node)[0]
del list[index]
return 1
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def add_menuitem(menu,msg,obj,func):
item = gtk.MenuItem(msg)
item.set_data('o',obj)
item.connect("activate",func)
item.show()
menu.append(item)
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def view_photo(photo):
mime_type = photo.get_mime_type()
try:
data = GrampsMime.get_application(mime_type)
prog = data[0]
except:
return
args = prog.split()
args.append(photo.get_path())
if os.fork() == 0:
os.execvp(args[0],args)
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def strip_id(text):
index = text.rfind('[')
if (index > 0):
text = text[:index]
text = text.rstrip()
return text
def nautilus_icon(icon,mime_type):
import GrampsGconfKeys
theme = GrampsGconfKeys.client.get_string("/desktop/gnome/file_views/icon_theme")
if icon :
newicon = "%s/%s/%s.png" % (const.nautdir,theme,icon)
if os.path.isfile(newicon):
return newicon
else:
newicon = "%s/document-icons/%s.png" % (const.pixdir,icon)
if os.path.isfile(newicon):
return newicon
return None
elif mime_type == "x-directory/":
if theme:
newicon = "%s/%s/i-directory.png" % (const.nautdir,theme)
else:
newicon = "%s/gnome-folder.png" % const.pixdir
if os.path.isfile(newicon):
return newicon
return None
else:
icontmp = mime_type.replace('/','-')
if theme:
newicon = "%s/%s/gnome-%s.png" % (const.nautdir,theme,icontmp)
if os.path.isfile(newicon):
return newicon
else:
newicon = "%s/document-icons/gnome-%s.png" % (const.nautdir,icontmp)
if os.path.isfile(newicon):
return newicon
return None
def find_icon(mtype):
n = nautilus_icon(None,mtype)
if n:
return n
else:
return const.icon
def get_mime_type(file):
try:
return gnome.vfs.get_mime_type(file)
except:
return "unknown"
def get_mime_description(mime_type):
try:
value = gnome.vfs.mime_get_description(mime_type)
if value:
return value
else:
return ''
except:
return ''
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def build_string_optmenu(mapping, start_val):
index = 0
start_index = 0
keys = mapping.keys()
keys.sort()
myMenu = gtk.Menu()
for key in keys:
if key == "default":
menuitem = gtk.MenuItem(_("default"))
else:
menuitem = gtk.MenuItem(key)
menuitem.set_data("d", mapping[key])
menuitem.set_data("l", key)
menuitem.show()
myMenu.append(menuitem)
if key == start_val:
start_index = index
index = index + 1
if start_index:
myMenu.set_active(start_index)
return myMenu
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def build_columns(tree,list):
cnum = 0
for name in list:
renderer = gtk.CellRendererText()
renderer.set_fixed_height_from_font(1)
column = gtk.TreeViewColumn(name[0],renderer,text=cnum)
column.set_min_width(name[1])
if name[2] >= 0:
column.set_sort_column_id(name[2])
if name[0] == '':
column.set_clickable(gtk.TRUE)
column.set_visible(gtk.FALSE)
cnum = cnum + 1
tree.append_column(column)
#-------------------------------------------------------------------------
#
# Iterate over ancestors.
#
#-------------------------------------------------------------------------
def for_each_ancestor(start, func, data):
"""
Recursively iterate (breadth-first) over ancestors of
people listed in start.
Call func(data,pid) for the Id of each person encountered.
Exit and return 1, as soon as func returns true.
Return 0 otherwise.
"""
todo = start
doneIds = {}
while len(todo):
p = todo.pop()
pid = p.get_handle()
# Don't process the same Id twice. This can happen
# if there is a cycle in the database, or if the
# initial list contains X and some of X's ancestors.
if doneIds.has_key(pid):
continue
doneIds[pid] = 1
if func(data,pid):
return 1
for fam, mrel, frel in p.get_parent_family_handle_list():
f = fam.get_father_handle()
m = fam.get_mother_handle()
if f: todo.append(f)
if m: todo.append(m)
return 0
def title(n):
return '<span weight="bold" size="larger">%s</span>' % n
def set_title_label(xmlobj,t):
title_label = xmlobj.get_widget('title')
title_label.set_text('<span weight="bold" size="larger">%s</span>' % t)
title_label.set_use_markup(gtk.TRUE)
def set_titles(window,title,t,msg=None):
title.set_text('<span weight="bold" size="larger">%s</span>' % t)
title.set_use_markup(gtk.TRUE)
if msg:
window.set_title('%s - GRAMPS' % msg)
else:
window.set_title('%s - GRAMPS' % t)
def gfloat(val):
"""Converts to floating number, taking care of possible locale differences.
Useful for reading float values from text entry fields
while under non-English locale.
"""
try:
return float(val)
except:
try:
return float(val.replace('.',','))
except:
return float(val.replace(',','.'))
return 0.0
def gformat(val):
"""Performs ("%.3f" % val) formatting with the resulting string always
using dot ('.') as a decimal point.
Useful for writing float values into XML when under non-English locale.
"""
decimal_point = locale.localeconv()['decimal_point']
return_val = "%.3f" % val
return return_val.replace(decimal_point,'.')
def search_for(name):
for i in os.environ['PATH'].split(':'):
fname = os.path.join(i,name)
if os.access(fname,os.X_OK) and not os.path.isdir(fname):
return 1
return 0
#-------------------------------------------------------------------------
#
# Roman numbers
#
#-------------------------------------------------------------------------
def roman(num):
"Simple-and-dirty way to get roman numerals for small numbers."
romans = {
1 : 'I', 2 : 'II', 3 : 'III', 4 : 'IV', 5 : 'V',
6 : 'VI', 7 : 'VII', 8 : 'VIII', 9 : 'IX', 10 : 'X',
11 : 'XI', 12 : 'XII', 13 : 'XIII', 14 : 'XIV', 15 : 'XV',
16 : 'XVI', 17 : 'XVII', 18 : 'XVIII', 19 : 'XIX', 20 : 'XX',
21 : 'XXI', 22 : 'XXII', 23 : 'XXIII', 24 : 'XXIV', 25 : 'XXV',
26 : 'XXVI', 27 : 'XXVII', 28 : 'XXVIII', 29 : 'XXIX', 30 : 'XXX',
31 : 'XXXI', 32 : 'XXXII', 33 : 'XXXIII', 34 : 'XXXIV', 35 : 'XXXV',
36 : 'XXXVI', 37 : 'XXXVII', 38 : 'XXXVIII', 39 : 'XXXIX', 40 : 'XV'
}
if isinstance(num,type(1)) and num<=41:
rnum = romans[num]
return rnum
else:
return '?'
#-------------------------------------------------------------------------
#
# Change label apperance
#
#-------------------------------------------------------------------------
def bold_label(label):
text = unicode(label.get_text())
label.set_text("<b>%s</b>" % text )
label.set_use_markup(1)
def unbold_label(label):
text = unicode(label.get_text())
text = text.replace('<b>','')
text = text.replace('</b>','')
label.set_text(text)
label.set_use_markup(0)
#-------------------------------------------------------------------------
#
# create_id
#
#-------------------------------------------------------------------------
import random
import time
rand = random.Random(time.time())
def create_id():
s = ""
for val in [ int(time.time()*10000) & 0x7fffffff,
rand.randint(0,0x7fffffff),
rand.randint(0,0x7fffffff)]:
while val != 0:
rem = val % 36
if rem <= 9:
s += chr(48+rem)
else:
s += chr(rem+55)
val = int(val/36)
return s
def probably_alive(person,db):
"""Returns true if the person may be alive."""
if person.death_handle:
return False
# Look for Cause Of Death, Burial or Cremation events.
# These are fairly good indications that someone's not alive.
for ev_handle in person.event_list:
ev = db.get_event_from_handle(ev_handle)
if ev and ev.name in ["Cause Of Death", "Burial", "Cremation"]:
return False
if person.birth_handle:
birth = db.get_event_from_handle(person.birth_handle)
if birth.get_date_object().get_start_date() != Date.EMPTY:
return not_too_old(birth.get_date_object())
# Neither birth nor death events are available. Try looking
# for descendants that were born more than a lifespan ago.
min_generation = 13
max_generation = 60
max_age_difference = 60
def descendants_too_old (person, years):
for family_handle in person.get_family_handle_list():
family = db.get_family_from_handle(family_handle)
for child_handle in family.get_child_handle_list():
child = db.get_person_from_handle(child_handle)
if child.birth_handle:
child_birth = db.get_event_from_handle(child.birth_handle)
dobj = child_birth.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
d = Date.Date(dobj)
val = d.get_start_date()
val = d.get_year() - years
d.set_year(val)
if not not_too_old (d):
return True
if child.death_handle:
child_death = db.get_event_from_handle(child.death_handle)
dobj = child_death.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
if not not_too_old (dobj):
return True
if descendants_too_old (child, years + min_generation):
return True
if descendants_too_old (person, min_generation):
return False
return False
# What about their parents?
def parents_too_old (person, age_difference):
family_handle = person.get_main_parents_family_handle()
if family_handle:
family = db.get_family_from_handle(family_handle)
for parent_id in [family.get_father_handle(), family.get_mother_handle()]:
if not parent_id:
continue
parent = db.get_person_from_handle(parent_id)
if parent.birth_handle:
parent_birth = db.get_event_from_handle(parent.birth_handle)
if parent_birth.get_date():
d = SingleDate (parent_birth.get_date_object().get_start_date())
d.set_year (d.get_year() + max_generation + age_difference)
if not not_too_old (d):
return True
if parent.death_handle:
parent_death = db.get_event_from_handle(parent.death_handle)
if parent_death.get_date() != "":
d = SingleDate (parent_death.get_date_object().get_start_date())
d.set_year (d.get_year() + age_difference)
if not not_too_old (d):
return True
if parents_too_old (person, 0):
return False
# As a last resort, trying seeing if their spouse's age gives
# any clue.
for family_handle in person.get_family_handle_list():
family = db.get_family_from_handle(family_handle)
for spouse_id in [family.get_father_handle(), family.get_mother_handle()]:
if not spouse_id or spouse_id == person.handle:
continue
spouse = db.get_person_from_handle(spouse_id)
sp_birth_handle = spouse.get_birth_handle()
sp_death_handle = spouse.get_death_handle()
if sp_birth_handle:
spouse_birth = db.get_event_from_handle(sp_birth_handle)
if not spouse_birth.get_date().is_empty():
d = Date.Date(spouse_birth.get_date_object())
d.set_year(d.get_year() + max_age_difference)
if not not_too_old (d):
return False
if sp_death_handle:
spouse_death = db.get_event_from_handle(sp_death_handle)
if spouse_death.get_date() != "":
d = Date.Date(spouse_death.get_date_object())
d.set_year (d.get_year() - min_generation)
if not not_too_old (d):
return False
if parents_too_old (spouse, max_age_difference):
return False
return True
def not_too_old(date):
time_struct = time.localtime(time.time())
current_year = time_struct[0]
year = date.get_year()
return not( year != 0 and current_year - year > 110)
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
_NEW_NAME_PATTERN = '%sUntitled_%d.%s'
def get_new_filename(ext,folder='~/'):
ix = 1
while os.path.isfile(os.path.expanduser(_NEW_NAME_PATTERN % (folder,ix,ext) )):
ix = ix + 1
return os.path.expanduser(_NEW_NAME_PATTERN % (folder,ix,ext))
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