# # 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 # # $Id$ """ Provides the Berkeley DB (BSDDB) database backend for GRAMPS """ import os import time import locale from gettext import gettext as _ from RelLib import * from GrampsDbBase import * from bsddb import dbshelve, db _DBVERSION = 2 def find_surname(key,data): return str(data[3].get_surname()) def find_idmap(key,data): return str(data[1]) def find_fidmap(key,data): return str(data[1]) def find_eventname(key,data): return str(data[1]) class GrampsBSDDBCursor(GrampsCursor): def __init__(self,source): self.cursor = source.cursor() def first(self): return self.cursor.first() def next(self): return self.cursor.next() def close(self): self.cursor.close() #------------------------------------------------------------------------- # # GrampsBSDDB # #------------------------------------------------------------------------- class GrampsBSDDB(GrampsDbBase): """GRAMPS database object. This object is a base class for other objects.""" def __init__(self): """creates a new GrampsDB""" GrampsDbBase.__init__(self) def dbopen(self,name,dbname): dbmap = dbshelve.DBShelf(self.env) dbmap.db.set_pagesize(16384) if self.readonly: dbmap.open(name, dbname, db.DB_HASH, db.DB_RDONLY) else: dbmap.open(name, dbname, db.DB_HASH, db.DB_CREATE, 0666) return dbmap def get_person_cursor(self): return GrampsBSDDBCursor(self.person_map) def get_family_cursor(self): return GrampsBSDDBCursor(self.family_map) def get_place_cursor(self): return GrampsBSDDBCursor(self.place_map) def get_source_cursor(self): return GrampsBSDDBCursor(self.source_map) def get_media_cursor(self): return GrampsBSDDBCursor(self.media_map) def need_upgrade(self): return self.metadata['version'] < _DBVERSION def load(self,name,callback,mode="w"): if self.person_map: self.close() self.readonly = mode == "r" self.env = db.DBEnv() self.env.set_cachesize(0,0x2000000) # 2MB flags = db.DB_CREATE|db.DB_INIT_MPOOL|db.DB_PRIVATE self.undolog = "%s.log" % name self.env.open(os.path.dirname(name), flags) name = os.path.basename(name) self.family_map = self.dbopen(name, "family") self.place_map = self.dbopen(name, "places") self.source_map = self.dbopen(name, "sources") self.media_map = self.dbopen(name, "media") self.event_map = self.dbopen(name, "events") self.metadata = self.dbopen(name, "meta") self.person_map = self.dbopen(name, "person") if self.readonly: openflags = db.DB_RDONLY else: openflags = db.DB_CREATE self.surnames = db.DB(self.env) self.surnames.set_flags(db.DB_DUP) self.surnames.open(name, "surnames", db.DB_HASH, flags=openflags) self.name_group = db.DB(self.env) self.name_group.set_flags(db.DB_DUP) self.name_group.open(name, "name_group", db.DB_HASH, flags=openflags) self.id_trans = db.DB(self.env) self.id_trans.set_flags(db.DB_DUP) self.id_trans.open(name, "idtrans", db.DB_HASH, flags=openflags) self.fid_trans = db.DB(self.env) self.fid_trans.set_flags(db.DB_DUP) self.fid_trans.open(name, "fidtrans", db.DB_HASH, flags=openflags) self.pid_trans = db.DB(self.env) self.pid_trans.set_flags(db.DB_DUP) self.pid_trans.open(name, "pidtrans", db.DB_HASH, flags=openflags) self.sid_trans = db.DB(self.env) self.sid_trans.set_flags(db.DB_DUP) self.sid_trans.open(name, "sidtrans", db.DB_HASH, flags=openflags) self.oid_trans = db.DB(self.env) self.oid_trans.set_flags(db.DB_DUP) self.oid_trans.open(name, "oidtrans", db.DB_HASH, flags=openflags) self.eventnames = db.DB(self.env) self.eventnames.set_flags(db.DB_DUP) self.eventnames.open(name, "eventnames", db.DB_HASH, flags=openflags) if not self.readonly: self.person_map.associate(self.surnames, find_surname, openflags) self.person_map.associate(self.id_trans, find_idmap, openflags) self.family_map.associate(self.fid_trans, find_idmap, openflags) self.place_map.associate(self.pid_trans, find_idmap, openflags) self.media_map.associate(self.oid_trans, find_idmap, openflags) self.source_map.associate(self.sid_trans, find_idmap, openflags) self.event_map.associate(self.eventnames, find_eventname, openflags) self.undodb = db.DB() self.undodb.open(self.undolog, db.DB_RECNO, db.DB_CREATE) self.metadata = self.dbopen(name, "meta") self.bookmarks = self.metadata.get('bookmarks') gstats = self.metadata.get('gender_stats') if not self.readonly and gstats == None: self.metadata['version'] = _DBVERSION elif not self.metadata.has_key('version'): self.metadata['version'] = 0 if self.bookmarks == None: self.bookmarks = [] self.genderStats = GenderStats(gstats) return 1 def abort_changes(self): while self.undo(): pass self.close() def close(self): self.name_group.close() self.person_map.close() self.family_map.close() self.place_map.close() self.source_map.close() self.media_map.close() self.event_map.close() if not self.readonly: self.metadata['bookmarks'] = self.bookmarks self.metadata['gender_stats'] = self.genderStats.save_stats() self.metadata.close() self.surnames.close() self.eventnames.close() self.id_trans.close() self.fid_trans.close() self.oid_trans.close() self.sid_trans.close() self.pid_trans.close() self.env.close() if not self.readonly: self.undodb.close() try: os.remove(self.undolog) except: pass self.person_map = None self.family_map = None self.place_map = None self.source_map = None self.media_map = None self.event_map = None self.surnames = None self.env = None self.metadata = None def set_name_group_mapping(self,name,group): if not self.readonly: name = str(name) if not group and self.name_group.has_key(name): self.name_group.delete(name) else: self.name_group[name] = group def get_surname_list(self): names = self.surnames.keys() a = {} for name in names: a[unicode(name)] = 1 vals = a.keys() vals.sort(locale.strcoll) return vals def get_person_event_type_list(self): names = self.eventnames.keys() a = {} for name in names: a[unicode(name)] = 1 vals = a.keys() vals.sort() return vals def remove_person(self,handle,transaction): if not self.readonly: person = self.get_person_from_handle(handle) self.genderStats.uncount_person (person) if transaction != None: transaction.add(PERSON_KEY,handle,person.serialize()) self.person_map.delete(str(handle)) def remove_source(self,handle,transaction): if not self.readonly: if transaction != None: old_data = self.source_map.get(str(handle)) transaction.add(SOURCE_KEY,handle,old_data) self.source_map.delete(str(handle)) def remove_family(self,handle,transaction): if not self.readonly: if transaction != None: old_data = self.family_map.get(str(handle)) transaction.add(FAMILY_KEY,handle,old_data) self.family_map.delete(str(handle)) def remove_event(self,handle,transaction): if not self.readonly: if transaction != None: old_data = self.event_map.get(str(handle)) transaction.add(EVENT_KEY,handle,old_data) self.event_map.delete(str(handle)) def remove_place(self,handle,transaction): if not self.readonly: if transaction != None: old_data = self.place_map.get(handle) transaction.add(PLACE_KEY,handle,old_data) self.place_map.delete(str(handle)) def remove_object(self,handle,transaction): if not self.readonly: if transaction != None: old_data = self.media_map.get(handle) transaction.add(PLACE_KEY,handle,old_data) self.media_map.delete(str(handle)) def get_person_from_gramps_id(self,val): """finds a Person in the database from the passed gramps' ID. If no such Person exists, a new Person is added to the database.""" data = self.id_trans.get(str(val)) if data: person = Person() person.unserialize(cPickle.loads(data)) return person else: return None def get_family_from_gramps_id(self,val): """finds a Family in the database from the passed gramps' ID. If no such Family exists, a new Person is added to the database.""" data = self.fid_trans.get(str(val)) if data: family = Family() family.unserialize(cPickle.loads(data)) return family else: return None def get_place_from_gramps_id(self,val): """finds a Place in the database from the passed gramps' ID. If no such Place exists, a new Person is added to the database.""" data = self.pid_trans.get(str(val)) if data: place = Place() place.unserialize(cPickle.loads(data)) return place else: return None def get_source_from_gramps_id(self,val): """finds a Source in the database from the passed gramps' ID. If no such Source exists, a new Person is added to the database.""" data = self.sid_trans.get(str(val)) if data: source = Source() source.unserialize(cPickle.loads(data)) return source else: return None def get_object_from_gramps_id(self,val): """finds a MediaObject in the database from the passed gramps' ID. If no such MediaObject exists, a new Person is added to the database.""" data = self.oid_trans.get(str(val)) if data: obj = MediaObject() obj.unserialize(cPickle.loads(data)) return obj else: return None def upgrade(self): child_rel_notrans = [ "None", "Birth", "Adopted", "Stepchild", "Sponsored", "Foster", "Unknown", "Other", ] version = self.metadata['version'] if version < 2: cursor = self.get_person_cursor() data = cursor.first() while data: handle,info = data person = Person() person.unserialize(info) plist = person.get_parent_family_handle_list() new_list = [] for (f,mrel,frel) in plist: try: mrel = child_rel_notrans.index(mrel) except: mrel = Person.CHILD_REL_BIRTH try: frel = child_rel_notrans.index(frel) except: frel = Person.CHILD_REL_BIRTH new_list.append((f,mrel,frel)) person.parent_family_list = new_list self.commit_person(person,None) data = cursor.next() cursor.close() self.metadata['version'] = 2