d58641415d
* various: gen.lib integration. probably touches almost every file * various: gen.utils integration svn: r9101
431 lines
15 KiB
Python
431 lines
15 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2007 Brian G. Matherly
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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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Proxy class for the GRAMPS databases. Filter out all living people.
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"""
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__author__ = "Brian Matherly"
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__revision__ = "$Revision$"
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#-------------------------------------------------------------------------
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#
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# GRAMPS libraries
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#
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#-------------------------------------------------------------------------
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from proxybase import ProxyDbBase
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from gen.lib import *
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from Utils import probably_alive
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#-------------------------------------------------------------------------
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#
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# LivingProxyDb
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#
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#-------------------------------------------------------------------------
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class LivingProxyDb(ProxyDbBase):
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"""
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A proxy to a Gramps database. This proxy will act like a Gramps database,
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but all living people will be hidden from the user.
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"""
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MODE_EXCLUDE = 0
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MODE_RESTRICT = 1
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def __init__(self,db,mode,current_year=None,years_after_death=0):
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"""
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Creates a new LivingProxyDb instance.
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@param db: The database to be a proxy for
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@type db: DbBase
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@param mode: The method for handling living people.
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LivingProxyDb.MODE_EXCLUDE will remove living people altogether.
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LivingProxyDb.MODE_RESTRICT will remove all information and change their
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given name to "Living".
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@type mode: int
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@param current_year: The current year to use for living determination.
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If None is supplied, the current year will be found from the system.
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@type current_year: int or None
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@param years_after_death: The number of years after a person's death to
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still consider them living.
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@type years_after_death: int
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"""
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ProxyDbBase.__init__(self, db)
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self.mode = mode
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self.current_year = current_year
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self.years_after_death = years_after_death
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def get_person_from_handle(self, handle):
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"""
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Finds a Person in the database from the passed gramps ID.
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If no such Person exists, None is returned.
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"""
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person = self.db.get_person_from_handle(handle)
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if person and self.__is_living(person):
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if self.mode == self.MODE_EXCLUDE:
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person = None
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elif self.mode == self.MODE_RESTRICT:
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person = _restrict_person(person)
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return person
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def get_source_from_handle(self, handle):
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"""
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Finds a Source in the database from the passed gramps ID.
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If no such Source exists, None is returned.
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"""
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return self.db.get_source_from_handle(handle)
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def get_object_from_handle(self, handle):
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"""
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Finds an Object in the database from the passed gramps ID.
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If no such Object exists, None is returned.
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"""
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return self.db.get_object_from_handle(handle)
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def get_place_from_handle(self, handle):
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"""
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Finds a Place in the database from the passed gramps ID.
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If no such Place exists, None is returned.
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"""
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return self.db.get_place_from_handle(handle)
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def get_event_from_handle(self, handle):
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"""
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Finds a Event in the database from the passed gramps ID.
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If no such Event exists, None is returned.
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"""
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return self.db.get_event_from_handle(handle)
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def get_family_from_handle(self, handle):
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"""
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Finds a Family in the database from the passed handle.
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If no such Family exists, None is returned.
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"""
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family = self.db.get_family_from_handle(handle)
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family = self.__remove_living_from_family(family)
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return family
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def get_repository_from_handle(self, handle):
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"""
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Finds a Repository in the database from the passed gramps' ID.
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If no such Repository exists, None is returned.
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"""
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return self.db.get_repository_from_handle(handle)
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def get_note_from_handle(self, handle):
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"""
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Finds a Note in the database from the passed gramps' ID.
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If no such Note exists, None is returned.
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"""
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return self.db.get_note_from_handle(handle)
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def get_person_from_gramps_id(self, val):
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"""
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Finds a Person in the database from the passed GRAMPS ID.
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If no such Person exists, None is returned.
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"""
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person = self.db.get_person_from_gramps_id(val)
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if self.__is_living(person):
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if self.mode == self.MODE_EXCLUDE:
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return None
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else:
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return _restrict_person(person)
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else:
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return person
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def get_family_from_gramps_id(self, val):
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"""
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Finds a Family in the database from the passed GRAMPS ID.
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If no such Family exists, None is returned.
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"""
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family = self.db.get_family_from_gramps_id(val)
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family = self.__remove_living_from_family(family)
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return family
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def get_event_from_gramps_id(self, val):
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"""
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Finds an Event in the database from the passed GRAMPS ID.
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If no such Event exists, None is returned.
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"""
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return self.db.get_event_from_gramps_id(val)
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def get_place_from_gramps_id(self, val):
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"""
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Finds a Place in the database from the passed gramps' ID.
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If no such Place exists, None is returned.
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"""
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return self.db.get_place_from_gramps_id(val)
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def get_source_from_gramps_id(self, val):
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"""
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Finds a Source in the database from the passed gramps' ID.
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If no such Source exists, None is returned.
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"""
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return self.db.get_source_from_gramps_id(val)
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def get_object_from_gramps_id(self, val):
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"""
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Finds a MediaObject in the database from the passed gramps' ID.
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If no such MediaObject exists, None is returned.
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"""
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return self.db.get_object_from_gramps_id(val)
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def get_repository_from_gramps_id(self, val):
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"""
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Finds a Repository in the database from the passed gramps' ID.
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If no such Repository exists, None is returned.
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"""
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return self.db.get_repository_from_gramps_id(val)
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def get_note_from_gramps_id(self, val):
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"""
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Finds a Note in the database from the passed gramps' ID.
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If no such Note exists, None is returned.
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"""
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return self.db.get_note_from_gramps_id(val)
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def get_person_handles(self, sort_handles=True):
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"""
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Returns a list of database handles, one handle for each Person in
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the database. If sort_handles is True, the list is sorted by surnames
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"""
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handles = []
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if self.mode == self.MODE_EXCLUDE:
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for handle in self.db.get_person_handles(sort_handles):
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person = self.db.get_person_from_handle(handle)
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if not self.__is_living(person):
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handles.append(handle)
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elif self.mode == self.MODE_RESTRICT:
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handles = self.db.get_person_handles(sort_handles)
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return handles
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def get_place_handles(self, sort_handles=True):
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"""
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Returns a list of database handles, one handle for each Place in
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the database. If sort_handles is True, the list is sorted by
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Place title.
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"""
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return self.db.get_place_handles(sort_handles)
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def get_source_handles(self, sort_handles=True):
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"""
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Returns a list of database handles, one handle for each Source in
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the database. If sort_handles is True, the list is sorted by
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Source title.
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"""
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return self.db.get_source_handles(sort_handles)
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def get_media_object_handles(self, sort_handles=True):
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"""
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Returns a list of database handles, one handle for each MediaObject in
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the database. If sort_handles is True, the list is sorted by title.
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"""
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return self.db.get_media_object_handles(sort_handles)
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def get_event_handles(self):
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"""
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Returns a list of database handles, one handle for each Event in
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the database.
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"""
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return self.db.get_event_handles()
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def get_family_handles(self):
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"""
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Returns a list of database handles, one handle for each Family in
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the database.
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"""
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return self.db.get_family_handles()
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def get_repository_handles(self):
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"""
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Returns a list of database handles, one handle for each Repository in
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the database.
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"""
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return self.db.get_repository_handles()
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def get_note_handles(self):
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"""
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Returns a list of database handles, one handle for each Note in
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the database.
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"""
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return self.db.get_note_handles()
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def get_researcher(self):
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"""returns the Researcher instance, providing information about
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the owner of the database"""
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return self.db.get_researcher()
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def get_default_person(self):
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"""returns the default Person of the database"""
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person_handle = self.db.get_default_handle()
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return self.get_person_from_handle(person_handle)
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def get_default_handle(self):
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"""returns the default Person of the database"""
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person_handle = self.db.get_default_handle()
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if self.get_person_from_handle(person_handle):
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return person_handle
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return None
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def has_person_handle(self, handle):
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"""
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returns True if the handle exists in the current Person database.
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"""
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if self.get_person_from_handle(handle):
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return True
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return False
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def has_event_handle(self, handle):
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"""
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returns True if the handle exists in the current Event database.
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"""
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return self.db.has_event_handle(handle)
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def has_source_handle(self, handle):
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"""
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returns True if the handle exists in the current Source database.
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"""
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return self.db.has_source_handle(handle)
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def has_place_handle(self, handle):
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"""
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returns True if the handle exists in the current Place database.
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"""
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return self.db.has_place_handle(handle)
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def has_family_handle(self, handle):
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"""
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returns True if the handle exists in the current Family database.
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"""
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return self.db.has_family_handle(handle)
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def has_object_handle(self, handle):
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"""
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returns True if the handle exists in the current MediaObjectdatabase.
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"""
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return self.db.has_object_handle(handle)
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def has_repository_handle(self, handle):
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"""
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returns True if the handle exists in the current Repository database.
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"""
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return self.db.has_repository_handle(handle)
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def has_note_handle(self, handle):
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"""
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returns True if the handle exists in the current Note database.
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"""
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return self.db.has_note_handle(handle)
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def find_backlink_handles(self, handle, include_classes=None):
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"""
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Find all objects that hold a reference to the object handle.
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Returns an interator over alist of (class_name, handle) tuples.
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@param handle: handle of the object to search for.
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@type handle: database handle
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@param include_classes: list of class names to include in the results.
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Default: None means include all classes.
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@type include_classes: list of class names
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This default implementation does a sequencial scan through all
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the primary object databases and is very slow. Backends can
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override this method to provide much faster implementations that
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make use of additional capabilities of the backend.
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Note that this is a generator function, it returns a iterator for
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use in loops. If you want a list of the results use:
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> result_list = [i for i in find_backlink_handles(handle)]
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"""
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handle_itr = self.db.find_backlink_handles(handle, include_classes)
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for (class_name, handle) in handle_itr:
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if class_name == 'Person':
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if not self.get_person_from_handle(handle):
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continue
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yield (class_name,handle)
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return
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def __is_living(self,person):
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return probably_alive( person,
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self.db,
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self.current_year,
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self.years_after_death )
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def __remove_living_from_family(self,family):
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parent_is_living = False
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father_handle = family.get_father_handle()
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if father_handle:
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father = self.db.get_person_from_handle(father_handle)
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if self.__is_living(father):
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parent_is_living = True
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if self.mode == self.MODE_EXCLUDE:
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family.set_father_handle(None)
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mother_handle = family.get_mother_handle()
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if mother_handle:
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mother = self.db.get_person_from_handle(mother_handle)
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if self.__is_living(mother):
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parent_is_living = True
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if self.mode == self.MODE_EXCLUDE:
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family.set_mother_handle(None)
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if parent_is_living:
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# Clear all events for families where a parent is living.
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family.set_event_ref_list([])
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if self.mode == self.MODE_EXCLUDE:
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for child_ref in family.get_child_ref_list():
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child_handle = child_ref.get_reference_handle()
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child = self.db.get_person_from_handle(child_handle)
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if self.__is_living(child):
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family.remove_child_ref(child_ref)
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return family
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def _restrict_person(person):
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new_person = Person()
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new_name = Name()
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old_name = person.get_primary_name()
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new_name.set_group_as(old_name.get_group_as())
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new_name.set_sort_as(old_name.get_sort_as())
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new_name.set_display_as(old_name.get_display_as())
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new_name.set_surname_prefix(old_name.get_surname_prefix())
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new_name.set_type(old_name.get_type())
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new_name.set_first_name(_(u'Living'))
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new_name.set_patronymic(old_name.get_patronymic())
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new_name.set_surname(old_name.get_surname())
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new_name.set_privacy(old_name.get_privacy())
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new_person.set_primary_name(new_name)
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new_person.set_privacy(person.get_privacy())
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new_person.set_gender(person.get_gender())
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new_person.set_gramps_id(person.get_gramps_id())
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new_person.set_handle(person.get_handle())
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new_person.set_family_handle_list(person.get_family_handle_list())
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new_person.set_parent_family_handle_list(
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person.get_parent_family_handle_list() )
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return new_person
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