112 lines
5.2 KiB
Python
112 lines
5.2 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2005 Donald N. Allingham
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# Copyright (C) 2011 Tim G L Lyons
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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 citations.
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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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Media, Repository, Citation, Source)
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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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# MergeCitationQuery
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#
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#-------------------------------------------------------------------------
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class MergeCitationQuery(object):
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"""
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Create database query to merge two citations.
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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 citations into a single citation.
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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 Citation"), self.database) as trans:
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self.database.commit_citation(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_citation_reference(old_handle))
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person.replace_citation_references(old_handle, 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_citation_reference(old_handle))
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family.replace_citation_references(old_handle, 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_citation_reference(old_handle))
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event.replace_citation_references(old_handle, 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_citation_reference(old_handle))
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place.replace_citation_references(old_handle, new_handle)
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self.database.commit_place(place, trans)
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elif class_name == Media.__name__:
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obj = self.database.get_media_from_handle(handle)
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assert(obj.has_citation_reference(old_handle))
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obj.replace_citation_references(old_handle, new_handle)
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self.database.commit_media(obj, trans)
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elif class_name == Repository.__name__:
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repository = self.database.get_repository_from_handle(handle)
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assert(repository.has_citation_reference(old_handle))
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repository.replace_citation_references(old_handle,
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new_handle)
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self.database.commit_repository(repository, trans)
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elif class_name == Citation.__name__:
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citation = self.database.get_citation_from_handle(handle)
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assert(citation.has_citation_reference(old_handle))
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citation.replace_citation_references(old_handle,
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new_handle)
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self.database.commit_citation(citation, trans)
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elif class_name == Source.__name__:
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source = self.database.get_source_from_handle(handle)
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assert(source.has_citation_reference(old_handle))
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source.replace_citation_references(old_handle,
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new_handle)
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self.database.commit_source(source, 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 citation reference." % class_name)
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self.database.remove_citation(old_handle, trans)
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