195 lines
8.3 KiB
Python
195 lines
8.3 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2010 Michiel D. Nauta
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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"""
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Provide merge capabilities for families.
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"""
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#-------------------------------------------------------------------------
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#
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# Gramps modules
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#
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#-------------------------------------------------------------------------
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from ..db import DbTxn
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from ..const import GRAMPS_LOCALE as glocale
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_ = glocale.translation.sgettext
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from ..errors import MergeError
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from . import MergePersonQuery
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#-------------------------------------------------------------------------
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#
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# MergeFamilyQuery
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#
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#-------------------------------------------------------------------------
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class MergeFamilyQuery(object):
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"""
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Create database query to merge two families.
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"""
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def __init__(self, database, phoenix, titanic, phoenix_fh=None,
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phoenix_mh=None):
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self.database = database
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self.phoenix = phoenix
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self.titanic = titanic
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if phoenix_fh is None:
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self.phoenix_fh = self.phoenix.get_father_handle()
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else:
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self.phoenix_fh = phoenix_fh
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if phoenix_mh is None:
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self.phoenix_mh = self.phoenix.get_mother_handle()
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else:
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self.phoenix_mh = phoenix_mh
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if self.phoenix.get_father_handle() == self.phoenix_fh:
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self.titanic_fh = self.titanic.get_father_handle()
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self.father_swapped = False
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else:
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assert self.phoenix_fh == self.titanic.get_father_handle()
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self.titanic_fh = self.phoenix.get_father_handle()
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self.father_swapped = True
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if self.phoenix.get_mother_handle() == self.phoenix_mh:
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self.titanic_mh = self.titanic.get_mother_handle()
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self.mother_swapped = False
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else:
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assert self.phoenix_mh == self.titanic.get_mother_handle()
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self.titanic_mh = self.phoenix.get_mother_handle()
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self.mother_swapped = True
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def merge_person(self, phoenix_person, titanic_person, parent, trans):
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"""
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Merge two persons even if they are None; no families are merged!
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"""
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new_handle = self.phoenix.get_handle()
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old_handle = self.titanic.get_handle()
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if parent == 'father':
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swapped = self.father_swapped
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family_add_person_handle = (
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(self.phoenix if swapped else self.titanic).set_father_handle)
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elif parent == 'mother':
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swapped = self.mother_swapped
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family_add_person_handle = (
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(self.phoenix if swapped else self.titanic).set_mother_handle)
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else:
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raise ValueError(_("A parent should be a father or mother."))
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if phoenix_person is None:
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if titanic_person is not None:
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raise MergeError("""When merging people where one person """
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"""doesn't exist, that "person" must be the person that """
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"""will be deleted from the database.""")
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return
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elif titanic_person is None:
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if swapped:
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if any(childref.get_reference_handle() == phoenix_person.get_handle()
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for childref in self.phoenix.get_child_ref_list()):
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raise MergeError(_("A parent and child cannot be merged. "
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"To merge these people, you must first break the "
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"relationship between them."))
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phoenix_person.add_family_handle(new_handle)
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family_add_person_handle(phoenix_person.get_handle())
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self.database.commit_family(self.phoenix, trans)
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else:
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if any(childref.get_reference_handle() == phoenix_person.get_handle()
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for childref in self.titanic.get_child_ref_list()):
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raise MergeError(_("A parent and child cannot be merged. "
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"To merge these people, you must first break the "
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"relationship between them."))
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phoenix_person.add_family_handle(old_handle)
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family_add_person_handle(phoenix_person.get_handle())
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self.database.commit_family(self.titanic, trans)
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self.database.commit_person(phoenix_person, trans)
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else:
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query = MergePersonQuery(self.database, phoenix_person,
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titanic_person)
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query.execute(family_merger=False, trans=trans)
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def execute(self):
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"""
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Merges two families into a single family.
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"""
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new_handle = self.phoenix.get_handle()
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old_handle = self.titanic.get_handle()
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with DbTxn(_('Merge Family'), self.database) as trans:
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if self.phoenix_fh != self.titanic_fh:
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if self.phoenix_fh:
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phoenix_father = self.database.get_person_from_handle(
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self.phoenix_fh)
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else:
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phoenix_father = None
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if self.titanic_fh:
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titanic_father = self.database.get_person_from_handle(
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self.titanic_fh)
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else:
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titanic_father = None
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self.merge_person(phoenix_father, titanic_father,
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'father', trans)
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if self.phoenix_mh != self.titanic_mh:
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if self.phoenix_mh:
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phoenix_mother = self.database.get_person_from_handle(
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self.phoenix_mh)
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else:
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phoenix_mother = None
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if self.titanic_mh:
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titanic_mother = self.database.get_person_from_handle(
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self.titanic_mh)
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else:
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titanic_mother = None
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self.merge_person(phoenix_mother, titanic_mother,
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'mother', trans)
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self.phoenix = self.database.get_family_from_handle(new_handle)
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self.titanic = self.database.get_family_from_handle(old_handle)
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phoenix_father = self.database.get_person_from_handle(self.phoenix_fh)
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phoenix_mother = self.database.get_person_from_handle(self.phoenix_mh)
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self.phoenix = self.database.get_family_from_handle(new_handle)
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self.titanic = self.database.get_family_from_handle(old_handle)
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self.phoenix.merge(self.titanic)
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self.database.commit_family(self.phoenix, trans)
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for childref in self.titanic.get_child_ref_list():
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child = self.database.get_person_from_handle(
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childref.get_reference_handle())
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if new_handle in child.parent_family_list:
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child.remove_handle_references('Family', [old_handle])
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else:
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child.replace_handle_reference('Family', old_handle,
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new_handle)
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self.database.commit_person(child, trans)
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if phoenix_father:
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phoenix_father.remove_family_handle(old_handle)
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self.database.commit_person(phoenix_father, trans)
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if phoenix_mother:
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phoenix_mother.remove_family_handle(old_handle)
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self.database.commit_person(phoenix_mother, trans)
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# replace the family in lds ordinances
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for (dummy, person_handle) in self.database.find_backlink_handles(
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old_handle, ['Person']):
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person = self.database.get_person_from_handle(person_handle)
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person.replace_handle_reference('Family', old_handle,new_handle)
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self.database.commit_person(person, trans)
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self.database.remove_family(old_handle, trans)
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