f688a96e9a
All python3 classes are new-style classes. It is no longer necessary to inherit from object.
92 lines
3.8 KiB
Python
92 lines
3.8 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2007 Donald N. Allingham
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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 places.
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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 ..lib import Person, Family, Event, Place
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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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#-------------------------------------------------------------------------
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#
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# MergePlaceQuery
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#
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#-------------------------------------------------------------------------
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class MergePlaceQuery:
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"""
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Create database query to merge two places.
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"""
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def __init__(self, dbstate, phoenix, titanic):
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self.database = dbstate.db
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self.phoenix = phoenix
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self.titanic = titanic
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def execute(self):
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"""
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Merges to places into a single place.
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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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self.phoenix.merge(self.titanic)
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with DbTxn(_("Merge Places"), self.database) as trans:
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self.database.commit_place(self.phoenix, trans)
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for (class_name, handle) in self.database.find_backlink_handles(
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old_handle):
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if class_name == Person.__name__:
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person = self.database.get_person_from_handle(handle)
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assert(person.has_handle_reference('Place', old_handle))
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person.replace_handle_reference('Place', old_handle,
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new_handle)
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self.database.commit_person(person, trans)
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elif class_name == Family.__name__:
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family = self.database.get_family_from_handle(handle)
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assert(family.has_handle_reference('Place', old_handle))
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family.replace_handle_reference('Place', old_handle,
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new_handle)
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self.database.commit_family(family, trans)
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elif class_name == Event.__name__:
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event = self.database.get_event_from_handle(handle)
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assert(event.has_handle_reference('Place', old_handle))
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event.replace_handle_reference('Place', old_handle,
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new_handle)
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self.database.commit_event(event, trans)
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elif class_name == Place.__name__:
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place = self.database.get_place_from_handle(handle)
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assert(place.has_handle_reference('Place', old_handle))
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place.replace_handle_reference('Place', old_handle,
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new_handle)
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self.database.commit_place(place, trans)
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else:
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raise MergeError("Encounter an object of type %s that has "
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"a place reference." % class_name)
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self.database.remove_place(old_handle, trans)
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