gramps/src/GrampsBSDDB.py

#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2005  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
"""

#-------------------------------------------------------------------------
#
# Standard python modules
#
#-------------------------------------------------------------------------
import os
import time
import locale
import sets
from gettext import gettext as _
from bsddb import dbshelve, db

#-------------------------------------------------------------------------
#
# Gramps modules
#
#-------------------------------------------------------------------------
from RelLib import *
from GrampsDbBase import *

_MINVERSION = 5
_DBVERSION = 9

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[2])

def find_repository_type(key,data):
    return str(data[2])

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_event_cursor(self):
        return GrampsBSDDBCursor(self.event_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 get_repository_cursor(self):
        return GrampsBSDDBCursor(self.repository_map)

    def version_supported(self):
        return (self.metadata.get('version',0) <= _DBVERSION and
                self.metadata.get('version',0) >= _MINVERSION)
    
    def need_upgrade(self):
        return not self.readonly \
               and self.metadata.get('version',0) < _DBVERSION

    def load(self,name,callback,mode="w"):
        self.load_primary(name,callback,mode)
        self.load_secondary(callback)
        if self.need_upgrade():
            self.gramps_upgrade()

    def load_primary(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.save_name = 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")
        self.repository_map = self.dbopen(name, "repository")

        if not self.readonly:
            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')
        self.family_event_names = sets.Set(self.metadata.get('fevent_names',[]))
        self.individual_event_names = sets.Set(self.metadata.get('pevent_names',[]))
        self.family_attributes = sets.Set(self.metadata.get('fattr_names',[]))
        self.individual_attributes = sets.Set(self.metadata.get('pattr_names',[]))

        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(self.save_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(self.save_name, "name_group",
                             db.DB_HASH, flags=openflags)

        self.eventnames = db.DB(self.env)
        self.eventnames.set_flags(db.DB_DUP)
        self.eventnames.open(self.save_name, "eventnames",
                             db.DB_HASH, flags=openflags)

        self.repository_types = db.DB(self.env)
        self.repository_types.set_flags(db.DB_DUP)
        self.repository_types.open(self.save_name, "repostypes",
                                   db.DB_HASH, flags=openflags)

        gstats = self.metadata.get('gender_stats')

        if not self.readonly:
            if 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 load_secondary(self,callback):
        if self.readonly:
            openflags = db.DB_RDONLY
        else:
            openflags = db.DB_CREATE

        self.id_trans = db.DB(self.env)
        self.id_trans.set_flags(db.DB_DUP)
        self.id_trans.open(self.save_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(self.save_name, "fidtrans",
                            db.DB_HASH, flags=openflags)

        self.eid_trans = db.DB(self.env)
        self.eid_trans.set_flags(db.DB_DUP)
        self.eid_trans.open(self.save_name, "eidtrans",
                            db.DB_HASH, flags=openflags)

        self.pid_trans = db.DB(self.env)
        self.pid_trans.set_flags(db.DB_DUP)
        self.pid_trans.open(self.save_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(self.save_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(self.save_name, "oidtrans",
                            db.DB_HASH, flags=openflags)

        self.rid_trans = db.DB(self.env)
        self.rid_trans.set_flags(db.DB_DUP)
        self.rid_trans.open(self.save_name, "ridtrans",
                            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.event_map.associate(self.eid_trans,  find_idmap,  openflags)
            self.repository_map.associate(self.rid_trans, find_idmap,
                                          openflags)
            self.repository_map.associate(self.repository_types,
                                          find_repository_type, 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)

    def rebuild_secondary(self,callback=None):

        # Repair secondary indices related to person_map
        
        self.id_trans.close()
        self.surnames.close()

        self.id_trans = db.DB(self.env)
        self.id_trans.set_flags(db.DB_DUP)
        self.id_trans.open(self.save_name, "idtrans", db.DB_HASH,
                           flags=db.DB_CREATE)
        self.id_trans.truncate()

        self.surnames = db.DB(self.env)
        self.surnames.set_flags(db.DB_DUP)
        self.surnames.open(self.save_name, "surnames", db.DB_HASH,
                           flags=db.DB_CREATE)
        self.surnames.truncate()

        self.person_map.associate(self.surnames, find_surname, db.DB_CREATE)
        self.person_map.associate(self.id_trans, find_idmap, db.DB_CREATE)

        for key in self.person_map.keys():
            if callback:
                callback()
            self.person_map[key] = self.person_map[key]
        self.person_map.sync()

        # Repair secondary indices related to family_map

        self.fid_trans.close()
        self.fid_trans = db.DB(self.env)
        self.fid_trans.set_flags(db.DB_DUP)
        self.fid_trans.open(self.save_name, "fidtrans", db.DB_HASH,
                            flags=db.DB_CREATE)
        self.fid_trans.truncate()
        self.family_map.associate(self.fid_trans, find_idmap, db.DB_CREATE)

        for key in self.family_map.keys():
            if callback:
                callback()
            self.family_map[key] = self.family_map[key]
        self.family_map.sync()

        # Repair secondary indices related to place_map

        self.pid_trans.close()
        self.pid_trans = db.DB(self.env)
        self.pid_trans.set_flags(db.DB_DUP)
        self.pid_trans.open(self.save_name, "pidtrans", db.DB_HASH,
                            flags=db.DB_CREATE)
        self.pid_trans.truncate()
        self.place_map.associate(self.pid_trans, find_idmap, db.DB_CREATE)

        for key in self.place_map.keys():
            if callback:
                callback()
            self.place_map[key] = self.place_map[key]
        self.place_map.sync()

        # Repair secondary indices related to media_map

        self.oid_trans.close()
        self.oid_trans = db.DB(self.env)
        self.oid_trans.set_flags(db.DB_DUP)
        self.oid_trans.open(self.save_name, "oidtrans", db.DB_HASH,
                            flags=db.DB_CREATE)
        self.oid_trans.truncate()
        self.media_map.associate(self.oid_trans, find_idmap, db.DB_CREATE)

        for key in self.media_map.keys():
            if callback:
                callback()
            self.media_map[key] = self.media_map[key]
        self.media_map.sync()

        # Repair secondary indices related to source_map

        self.sid_trans.close()
        self.sid_trans = db.DB(self.env)
        self.sid_trans.set_flags(db.DB_DUP)
        self.sid_trans.open(self.save_name, "sidtrans", db.DB_HASH,
                            flags=db.DB_CREATE)
        self.sid_trans.truncate()
        self.source_map.associate(self.sid_trans, find_idmap, db.DB_CREATE)

        for key in self.source_map.keys():
            if callback:
                callback()
            self.source_map[key] = self.source_map[key]
        self.source_map.sync()

        # Repair secondary indices related to repository_map

        self.rid_trans.close()
        self.rid_trans = db.DB(self.env)
        self.rid_trans.set_flags(db.DB_DUP)
        self.rid_trans.open(self.save_name, "ridtrans", db.DB_HASH,
                            flags=db.DB_CREATE)
        self.rid_trans.truncate()
        self.repository_map.associate(self.rid_trans, find_idmap, db.DB_CREATE)

        for key in self.repository_map.keys():
            if callback:
                callback()
            self.repository_map[key] = self.repository_map[key]
        self.repository_map.sync()

    def abort_changes(self):
        while self.undo():
            pass
        self.close()

    def close(self):
        if self.person_map == None:
            return
        self.name_group.close()
        self.person_map.close()
        self.family_map.close()
        self.repository_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['fevent_names'] = list(self.family_event_names)
            self.metadata['pevent_names'] = list(self.individual_event_names)
            self.metadata['fattr_names'] = list(self.family_attributes)
            self.metadata['pattr_names'] = list(self.individual_attributes)
        self.metadata.close()
        self.surnames.close()
        self.eventnames.close()
        self.repository_types.close()
        self.id_trans.close()
        self.fid_trans.close()
        self.eid_trans.close()
        self.rid_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.repository_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 _del_person(self,handle):
        self.person_map.delete(str(handle))

    def _del_source(self,handle):
        self.source_map.delete(str(handle))

    def _del_repository(self,handle):
        self.repository_map.delete(str(handle))

    def _del_place(self,handle):
        self.place_map.delete(str(handle))

    def _del_media(self,handle):
        self.media_map.delete(str(handle))

    def _del_family(self,handle):
        self.family_map.delete(str(handle))

    def _del_event(self,handle):
        self.event_map.delete(str(handle))

    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
            self.emit('person-rebuild')
            
    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 get_repository_type_list(self):
        repos_types = self.repository_types.keys()
        a = {}
        for repos_type in repos_types:
            
            a[unicode(repos_type)] = 1
        vals = a.keys()
        vals.sort()
        return vals

    def remove_person(self,handle,transaction):
        if not self.readonly and handle and str(handle) in self.person_map:
            person = self.get_person_from_handle(handle)
            self.genderStats.uncount_person (person)
            if transaction != None:
                transaction.add(PERSON_KEY,handle,person.serialize())
                self.emit('person-delete',([str(handle)],))
            self.person_map.delete(str(handle))

    def remove_source(self,handle,transaction):
        if not self.readonly and handle and str(handle) in self.source_map:
            if transaction != None:
                old_data = self.source_map.get(str(handle))
                transaction.add(SOURCE_KEY,handle,old_data)
                self.emit('source-delete',([handle],))
            self.source_map.delete(str(handle))

    def remove_repository(self,handle,transaction):
        if not self.readonly and handle and str(handle) in self.repository_map:
            if transaction != None:
                old_data = self.repository_map.get(str(handle))
                transaction.add(REPOSITORY_KEY,handle,old_data)
                self.emit('repository-delete',([handle],))
            self.repository_map.delete(str(handle))

    def remove_family(self,handle,transaction):
        if not self.readonly and handle and str(handle) in self.family_map:
            if transaction != None:
                old_data = self.family_map.get(str(handle))
                transaction.add(FAMILY_KEY,handle,old_data)
                self.emit('family-delete',([str(handle)],))
            self.family_map.delete(str(handle))

    def remove_event(self,handle,transaction):
        if not self.readonly and handle and str(handle) in self.event_map:
            if transaction != None:
                old_data = self.event_map.get(str(handle))
                transaction.add(EVENT_KEY,handle,old_data)
                self.emit('event-delete',([str(handle)],))
            self.event_map.delete(str(handle))

    def remove_place(self,handle,transaction):
        if not self.readonly and handle and str(handle) in self.place_map:
            if transaction != None:
                old_data = self.place_map.get(str(handle))
                transaction.add(PLACE_KEY,handle,old_data)
                self.emit('place-delete',([handle],))
            self.place_map.delete(str(handle))

    def remove_object(self,handle,transaction):
        if not self.readonly and handle and str(handle) in self.media_map:
            if transaction != None:
                old_data = self.media_map.get(str(handle))
                transaction.add(MEDIA_KEY,handle,old_data)
                self.emit('media-delete',([handle],))
            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, None is returned."""

        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, None is returned."""

        data = self.fid_trans.get(str(val))
        if data:
            family = Family()
            family.unserialize(cPickle.loads(data))
            return family
        else:
            return None

    def get_event_from_gramps_id(self,val):
        """finds an Event in the database from the passed gramps' ID.
        If no such Event exists, None is returned."""

        data = self.eid_trans.get(str(val))
        if data:
            event = Event()
            event.unserialize(cPickle.loads(data))
            return event
        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, None is returned."""

        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, None is returned."""

        data = self.sid_trans.get(str(val))
        if data:
            source = Source()
            source.unserialize(cPickle.loads(data))
            return source
        else:
            return None

    def get_repository_from_gramps_id(self,val):
        """finds a Repository in the database from the passed gramps' ID.
        If no such Repository exists, None is returned."""

        data = self.rid_trans.get(str(val))
        if data:
            repository = Repository()
            repository.unserialize(cPickle.loads(data))
            return repository
        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, None is returned."""

        data = self.oid_trans.get(str(val))
        if data:
            obj = MediaObject()
            obj.unserialize(cPickle.loads(data))
            return obj
        else:
            return None

    def transaction_commit(self,transaction,msg):
        GrampsDbBase.transaction_commit(self,transaction,msg)
        self.family_map.sync()
        self.place_map.sync()
        self.source_map.sync()
        self.repository_map.sync()
        self.repository_types.sync()
        self.media_map.sync()
        self.event_map.sync()
        self.metadata.sync()
        self.person_map.sync()
        self.surnames.sync()
        self.name_group.sync()
        self.id_trans.sync()
        self.fid_trans.sync()
        self.eid_trans.sync()
        self.pid_trans.sync()
        self.sid_trans.sync()
        self.rid_trans.sync()
        self.oid_trans.sync()
        self.undodb.sync()

    def gramps_upgrade(self):
        child_rel_notrans = [
            "None",      "Birth",  "Adopted", "Stepchild",
            "Sponsored", "Foster", "Unknown", "Other", ]
        
        version = self.metadata.get('version',_MINVERSION)

        if version < 6:
            self.gramps_upgrade_6()
        if version < 7:
            self.gramps_upgrade_7()
        if version < 8:
            self.gramps_upgrade_8()
        if version < 9:
            self.gramps_upgrade_9()

        self.metadata['version'] = _DBVERSION

    def gramps_upgrade_6(self):
        print "Upgrading to DB version 6"
        order = []
        for val in self.get_media_column_order():
            if val[1] != 6:
                order.append(val)
        self.set_media_column_order(order)

    def gramps_upgrade_7(self):
        print "Upgrading to DB version 7"

        self.genderStats = GenderStats()
        cursor = self.get_person_cursor()
        data = cursor.first()
        while data:
            handle,val = data
            p = Person(val)
            self.genderStats.count_person(p,self)
            data = cursor.next()
        cursor.close()

    def gramps_upgrade_8(self):
        print "Upgrading to DB version 8"
        cursor = self.get_person_cursor()
        data = cursor.first()
        while data:
            handle,val = data
            handle_list = val[8]
            if type(handle_list) == list:
            # Check to prevent crash on corrupted data (event_list=None)
                for handle in handle_list:
                    event = self.get_event_from_handle(handle)
                    self.individual_event_names.add(event.name)
            data = cursor.next()
        cursor.close()

        cursor = self.get_family_cursor()
        data = cursor.first()
        while data:
            handle,val = data
            handle_list = val[6]
            if type(handle_list) == list:
            # Check to prevent crash on corrupted data (event_list=None)
                for handle in handle_list:
                    event = self.get_event_from_handle(handle)
                    self.family_event_names.add(event.name)
            data = cursor.next()
        cursor.close()

    def gramps_upgrade_9(self):
        print "Upgrading to DB version 9"
        # First, make sure the stored default person handle is str, not unicode
        try:
            handle = self.metadata['default']
            self.metadata['default'] = str(handle)
        except KeyError:
            # default person was not stored in database
            pass
        trans = Transaction("",self)
        trans.set_batch(True)
        # Change every source to have reporef_list
        cursor = self.get_source_cursor()
        data = cursor.first()
        while data:
            handle,info = data
            source = Source()
            (source.handle, source.gramps_id, source.title, source.author,
             source.pubinfo, source.note, source.media_list,
             source.abbrev, source.change, source.datamap) = info
            self.commit_source(source,trans)
            data = cursor.next()
        cursor.close()

        # Change every event handle to the EventRef
        # in Person and Family objects
        #     person
        cursor = self.get_person_cursor()
        data = cursor.first()
        while data:
            changed = False
            handle,info = data
            person = Person()
            # Restore data from dbversion 8 (gramps 2.0.9)
            (person.handle, person.gramps_id, person.gender,
             person.primary_name, person.alternate_names, person.nickname,
             death_handle, birth_handle, event_list,
             person.family_list, person.parent_family_list,
             person.media_list, person.address_list, person.attribute_list,
             person.urls, person.lds_bapt, person.lds_endow, person.lds_seal,
             person.complete, person.source_list, person.note,
             person.change, person.private) = (info + (False,))[0:23]

            if birth_handle:
                event_ref = EventRef()
                event_ref.set_reference_handle(birth_handle)
                event_ref.set_role((EventRef.PRIMARY,''))
                person.birth_ref = event_ref
                changed = True

            if death_handle:
                event_ref = EventRef()
                event_ref.set_reference_handle(death_handle)
                event_ref.set_role((EventRef.PRIMARY,''))
                person.death_ref = event_ref
                changed = True

            event_ref_list = []
            for event_handle in event_list:
                event_ref = EventRef()
                event_ref.set_reference_handle(event_handle)
                event_ref.set_role((EventRef.PRIMARY,''))
                event_ref_list.append(event_ref)

            if event_ref_list:
                person.event_ref_list = event_ref_list[:]
                changed = True

            if changed:
                self.commit_person(person,trans)
            data = cursor.next()
        cursor.close()

        #     family
        cursor = self.get_family_cursor()
        data = cursor.first()
        while data:
            handle,info = data
            family = Family()
            # Restore data from dbversion 8 (gramps 2.0.9)
            (family.handle, family.gramps_id, family.father_handle,
             family.mother_handle, family.child_list, family.type,
             event_list, family.media_list, family.attribute_list,
             family.lds_seal, family.complete, family.source_list,
             family.note, family.change) = info

            event_ref_list = []
            for event_handle in event_list:
                event_ref = EventRef()
                event_ref.set_reference_handle(event_handle)
                event_ref.set_role((EventRef.PRIMARY,''))
                event_ref_list.append(event_ref)

            if event_ref_list:
                family.event_ref_list = event_ref_list[:]
                changed = True

            if changed:
                self.commit_family(family,trans)
            data = cursor.next()
        cursor.close()

        # Remove Witness from every event and convert name to type
        cursor = self.get_event_cursor()
        data = cursor.first()
        while data:
            handle,info = data
            event = Event()
            (event.handle, event.gramps_id, name, event.date,
             event.description, event.place, event.cause, event.private,
             event.source_list, event.note, witness, event.media_list,
             event.change) = info
            self.commit_event(event,trans)
            data = cursor.next()
        cursor.close()

        self.transaction_commit(trans,"Upgrade to DB version 9")

if __name__ == "__main__":

    import sys
    
    d = GrampsBSDDB()
    d.load(sys.argv[1],lambda x: x)

    c = d.get_person_cursor()
    data = c.first()
    while data:
        person = Person(data[1])
        print data[0], person.get_primary_name().get_name(),
        data = c.next()
    c.close()

    print d.surnames.keys()