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01f5d700d7
gramps/src/GrampsDb/_GrampsDbBase.py
Don Allingham f2a4002d5e * src/DataViews/_PersonView.py: use a container for bookmarks to prevent 
lost of data (bug #777)
	* src/GrampsDb/_GrampsDbBase.py: use a container for bookmarks to prevent
	lost of data (bug #777)
	* src/GrampsDb/_GrampsBSDDB.py: use a container for bookmarks to prevent
	lost of data (bug #777)
	* src/Bookmarks.py: use a container for bookmarks to prevent
	lost of data (bug #777)


svn: r7830
2006-12-21 03:28:44 +00:00

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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2006 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
#
# $Id$
"""
Base class for the GRAMPS databases. All database interfaces should inherit
from this class.
"""
__author__ = "Donald N. Allingham"
__revision__ = "$Revision$"
#-------------------------------------------------------------------------
#
# libraries
#
#-------------------------------------------------------------------------
import cPickle
import time
import random
import locale
import os
from sys import maxint
from bsddb import db
from gettext import gettext as _
try:
set()
except NameError:
from sets import Set as set
import logging
log = logging.getLogger(".GrampsDb")
#-------------------------------------------------------------------------
#
# GRAMPS libraries
#
#-------------------------------------------------------------------------
from RelLib import *
import Config
from _GrampsDBCallback import GrampsDBCallback
#-------------------------------------------------------------------------
#
# constants
#
#-------------------------------------------------------------------------
_UNDO_SIZE = 1000
PERSON_KEY = 0
FAMILY_KEY = 1
SOURCE_KEY = 2
EVENT_KEY = 3
MEDIA_KEY = 4
PLACE_KEY = 5
REPOSITORY_KEY = 6
REFERENCE_KEY = 7
PERSON_COL_KEY = 'columns'
CHILD_COL_KEY = 'child_columns'
PLACE_COL_KEY = 'place_columns'
SOURCE_COL_KEY = 'source_columns'
MEDIA_COL_KEY = 'media_columns'
REPOSITORY_COL_KEY = 'repository_columns'
EVENT_COL_KEY = 'event_columns'
FAMILY_COL_KEY = 'family_columns'
# The following two dictionaries provide fast translation
# between the primary class names and the keys used to reference
# these classes in the database tables. Beware that changing
# these maps or modifying the values of the keys will break
# existing databases.
CLASS_TO_KEY_MAP = {Person.__name__: PERSON_KEY,
Family.__name__: FAMILY_KEY,
Source.__name__: SOURCE_KEY,
Event.__name__: EVENT_KEY,
MediaObject.__name__: MEDIA_KEY,
Place.__name__: PLACE_KEY,
Repository.__name__:REPOSITORY_KEY}
KEY_TO_CLASS_MAP = {PERSON_KEY: Person.__name__,
FAMILY_KEY: Family.__name__,
SOURCE_KEY: Source.__name__,
EVENT_KEY: Event.__name__,
MEDIA_KEY: MediaObject.__name__,
PLACE_KEY: Place.__name__,
REPOSITORY_KEY: Repository.__name__}
_sigbase = ('person', 'family', 'source', 'event',
'media', 'place', 'repository')
class GrampsCursor:
"""
Provides a basic iterator that allows the user to cycle through
the elements in a particular map. A cursor should never be
directly instantiated. Instead, in should be created by the
database class.
A cursor should only be used for a single pass through the
database. If multiple passes are needed, multiple cursors
should be used.
"""
def first(self):
"""
Returns the first (index, data) pair in the database. This
should be called before the first call to next(). Note that
the data return is in the format of the serialized format
stored in the database, not in the more usable class object.
The data should be converted to a class using the class's
unserialize method.
If no data is available, None is returned.
"""
return None
def next(self):
"""
Returns the next (index, data) pair in the database. Like
the first() method, the data return is in the format of the
serialized format stored in the database, not in the more
usable class object. The data should be converted to a class
using the class's unserialize method.
None is returned when no more data is available.
"""
return None
def close(self):
"""
Closes the cursor. This should be called when the user is
finished using the cursor, freeing up the cursor's resources.
"""
pass
class GrampsDbBookmarks:
def __init__(self, default = []):
self.bookmarks = default
def set(self, new_list):
self.bookmarks = new_list
def get(self):
return self.bookmarks
def append(self, item):
self.bookmarks.append(item)
def remove(self, item):
self.bookmarks.remove(item)
def pop(self, item):
self.bookmarks.pop(item)
def insert(self, item):
self.bookmarks.insert(item)
class GrampsDbBase(GrampsDBCallback):
"""
GRAMPS database object. This object is a base class for all
database interfaces.
"""
__signals__ = {
'person-add' : (list, ),
'person-update' : (list, ),
'person-delete' : (list, ),
'person-rebuild' : None,
'family-add' : (list, ),
'family-update' : (list, ),
'family-delete' : (list, ),
'family-rebuild' : None,
'source-add' : (list, ),
'source-update' : (list, ),
'source-delete' : (list, ),
'source-rebuild' : None,
'place-add' : (list, ),
'place-update' : (list, ),
'place-delete' : (list, ),
'place-rebuild' : None,
'media-add' : (list, ),
'media-update' : (list, ),
'media-delete' : (list, ),
'media-rebuild' : None,
'event-add' : (list, ),
'event-update' : (list, ),
'event-delete' : (list, ),
'event-rebuild' : None,
'repository-add' : (list, ),
'repository-update' : (list, ),
'repository-delete' : (list, ),
'repository-rebuild' : None,
}
# If this is True logging will be turned on.
try:
__LOG_ALL = int(os.environ.get('GRAMPS_SIGNAL', "0")) == 1
except:
__LOG_ALL = False
def __init__(self):
"""
Creates a new GrampsDbBase instance. A new GrampDbBase class should
never be directly created. Only classes derived from this class should
be created.
"""
GrampsDBCallback.__init__(self)
self.readonly = False
self.rand = random.Random(time.time())
self.smap_index = 0
self.emap_index = 0
self.pmap_index = 0
self.fmap_index = 0
self.lmap_index = 0
self.omap_index = 0
self.rmap_index = 0
self.db_is_open = False
self.family_event_names = set()
self.individual_event_names = set()
self.individual_attributes = set()
self.family_attributes = set()
self.marker_names = set()
self.child_ref_types = set()
self.family_rel_types = set()
self.event_role_names = set()
self.name_types = set()
self.repository_types = set()
self.source_media_types = set()
self.url_types = set()
self.media_attributes = set()
self.set_person_id_prefix(Config.get(Config.IPREFIX))
self.set_object_id_prefix(Config.get(Config.OPREFIX))
self.set_family_id_prefix(Config.get(Config.FPREFIX))
self.set_source_id_prefix(Config.get(Config.SPREFIX))
self.set_place_id_prefix(Config.get(Config.PPREFIX))
self.set_event_id_prefix(Config.get(Config.EPREFIX))
self.set_repository_id_prefix(Config.get(Config.RPREFIX))
self.open = 0
self.genderStats = GenderStats()
self.undodb = None
self.id_trans = None
self.fid_trans = None
self.pid_trans = None
self.sid_trans = None
self.oid_trans = None
self.rid_trans = None
self.eid_trans = None
self.env = None
self.person_map = None
self.family_map = None
self.place_map = None
self.source_map = None
self.repository_map = None
self.media_map = None
self.event_map = None
self.metadata = None
self.name_group = None
self.undo_callback = None
self.redo_callback = None
self.undo_history_callback = None
self.modified = 0
self.undoindex = -1
self.translist = [None] * _UNDO_SIZE
self.abort_possible = True
self.undo_history_timestamp = 0
self.default = None
self.owner = Researcher()
self.name_formats = []
self.bookmarks = GrampsDbBookmarks()
self.family_bookmarks = GrampsDbBookmarks()
self.event_bookmarks = GrampsDbBookmarks()
self.place_bookmarks = GrampsDbBookmarks()
self.source_bookmarks = GrampsDbBookmarks()
self.repo_bookmarks = GrampsDbBookmarks()
self.media_bookmarks = GrampsDbBookmarks()
self.path = ""
self.name_group = {}
def rebuild_secondary(self, callback):
pass
def version_supported(self):
""" Returns True when the file has a supported version"""
return True
def need_upgrade(self):
return False
def gramps_upgrade(self):
pass
def _del_person(self, handle):
pass
def _del_source(self, handle):
pass
def _del_repository(self, handle):
pass
def _del_place(self, handle):
pass
def _del_media(self, handle):
pass
def _del_family(self, handle):
pass
def _del_event(self, handle):
pass
def create_id(self):
return "%08x%08x" % ( int(time.time()*10000),
self.rand.randint(0, maxint))
def get_person_cursor(self):
assert False, "Needs to be overridden in the derived class"
def get_family_cursor(self):
assert False, "Needs to be overridden in the derived class"
def get_event_cursor(self):
assert False, "Needs to be overridden in the derived class"
def get_place_cursor(self):
assert False, "Needs to be overridden in the derived class"
def get_source_cursor(self):
assert False, "Needs to be overridden in the derived class"
def get_media_cursor(self):
assert False, "Needs to be overridden in the derived class"
def get_repository_cursor(self):
assert False, "Needs to be overridden in the derived class"
def open_undodb(self):
if not self.readonly:
self.undolog = "%s.undo" % self.full_name
self.undodb = db.DB()
self.undodb.open(self.undolog, db.DB_RECNO, db.DB_CREATE)
def close_undodb(self):
if not self.readonly:
self.undodb.close()
try:
os.remove(self.undolog)
except:
pass
def load(self, name, callback, mode="w"):
"""
Opens the specified database. The method needs to be overridden
in the derived class.
"""
assert False, "Needs to be overridden in the derived class"
def load_from(self, other_database, filename, callback):
"""
Loads data from the other database into itself.
The filename is the name of the file for the newly created database.
The method needs to be overridden in the derived class.
"""
assert False, "Needs to be overridden in the derived class"
def close(self):
"""
Closes the specified database. The method needs to be overridden
in the derived class.
"""
pass
def is_open(self):
"""
Returns 1 if the database has been opened.
"""
return self.db_is_open
def request_rebuild(self):
"""
Notifies clients that the data has change significantly, and that all
internal data dependent on the database should be rebuilt.
"""
self.emit('person-rebuild')
self.emit('family-rebuild')
self.emit('place-rebuild')
self.emit('source-rebuild')
self.emit('media-rebuild')
self.emit('event-rebuild')
self.emit('repository-rebuild')
def _commit_base(self, obj, data_map, key, update_list, add_list,
transaction, change_time):
"""
Commits the specified Person to the database, storing the changes
as part of the transaction.
"""
if self.readonly or not obj or not obj.handle:
return
if change_time:
obj.change = int(change_time)
else:
obj.change = int(time.time())
handle = str(obj.handle)
self._update_reference_map(obj, transaction)
try:
if transaction.batch:
data_map[handle] = obj.serialize()
old_data = None
else:
old_data = data_map.get(handle)
new_data = obj.serialize()
transaction.add(key, handle, old_data, new_data)
if old_data:
update_list.append((handle, new_data))
else:
add_list.append((handle, new_data))
except db.DBNoSpaceError, msg:
from QuestionDialog import ErrorDialog
ErrorDialog(_("Out of disk space"),
_("Your data cannot be saved because you are out "
"of disk space. Please free up some disk space "
"and try again.\n\n%s") % msg[1])
return old_data
def commit_person(self, person, transaction, change_time=None):
"""
Commits the specified Person to the database, storing the changes
as part of the transaction.
"""
old_data = self._commit_base(
person, self.person_map, PERSON_KEY, transaction.person_update,
transaction.person_add, transaction, change_time)
if old_data:
old_person = Person(old_data)
if (old_data[2] != person.gender or
old_data[3][2]!= person.primary_name.first_name):
self.genderStats.uncount_person(old_person)
self.genderStats.count_person(person)
else:
self.genderStats.count_person(person)
self.individual_attributes.update(
[str(attr.type) for attr in person.attribute_list
if attr.type.is_custom() and str(attr.type)])
if person.marker.is_custom():
self.marker_names.add(str(person.marker))
self.event_role_names.update([str(eref.role)
for eref in person.event_ref_list
if eref.role.is_custom()])
self.name_types.update([str(name.type)
for name in ([person.primary_name]
+ person.alternate_names)
if name.type.is_custom()])
self.url_types.update([str(url.type) for url in person.urls
if url.type.is_custom()])
attr_list = []
for mref in person.media_list:
attr_list += [str(attr.type) for attr in mref.attribute_list
if attr.type.is_custom() and str(attr.type)]
self.media_attributes.update(attr_list)
def commit_media_object(self, obj, transaction, change_time=None):
"""
Commits the specified MediaObject to the database, storing the changes
as part of the transaction.
"""
self._commit_base(obj, self.media_map, MEDIA_KEY,
transaction.media_update, transaction.media_add,
transaction, change_time)
self.media_attributes.update(
[str(attr.type) for attr in obj.attribute_list
if attr.type.is_custom() and str(attr.type)])
def commit_source(self, source, transaction, change_time=None):
"""
Commits the specified Source to the database, storing the changes
as part of the transaction.
"""
self._commit_base(source, self.source_map, SOURCE_KEY,
transaction.source_update, transaction.source_add,
transaction, change_time)
self.source_media_types.update(
[str(ref.media_type) for ref in source.reporef_list
if ref.media_type.is_custom()])
attr_list = []
for mref in source.media_list:
attr_list += [str(attr.type) for attr in mref.attribute_list
if attr.type.is_custom() and str(attr.type)]
self.media_attributes.update(attr_list)
def commit_place(self, place, transaction, change_time=None):
"""
Commits the specified Place to the database, storing the changes
as part of the transaction.
"""
self._commit_base(place, self.place_map, PLACE_KEY,
transaction.place_update, transaction.place_add,
transaction, change_time)
self.url_types.update([str(url.type) for url in place.urls
if url.type.is_custom()])
attr_list = []
for mref in place.media_list:
attr_list += [str(attr.type) for attr in mref.attribute_list
if attr.type.is_custom() and str(attr.type)]
self.media_attributes.update(attr_list)
def commit_personal_event(self, event, transaction, change_time=None):
if event.type.is_custom():
self.individual_event_names.add(str(event.type))
self.commit_event(event, transaction, change_time)
def commit_family_event(self, event, transaction, change_time=None):
if event.type.is_custom():
self.family_event_names.add(str(event.type))
self.commit_event(event, transaction, change_time)
def commit_event(self, event, transaction, change_time=None):
"""
Commits the specified Event to the database, storing the changes
as part of the transaction.
"""
self._commit_base(event, self.event_map, EVENT_KEY,
transaction.event_update, transaction.event_add,
transaction, change_time)
attr_list = []
for mref in event.media_list:
attr_list += [str(attr.type) for attr in mref.attribute_list
if attr.type.is_custom() and str(attr.type)]
self.media_attributes.update(attr_list)
def commit_family(self, family, transaction, change_time=None):
"""
Commits the specified Family to the database, storing the changes
as part of the transaction.
"""
self._commit_base(family, self.family_map, FAMILY_KEY,
transaction.family_update, transaction.family_add,
transaction, change_time)
self.family_attributes.update(
[str(attr.type) for attr in family.attribute_list
if attr.type.is_custom() and str(attr.type)])
rel_list = []
for ref in family.child_ref_list:
if ref.frel.is_custom():
rel_list.append(str(ref.frel))
if ref.mrel.is_custom():
rel_list.append(str(ref.mrel))
self.child_ref_types.update(rel_list)
self.event_role_names.update(
[str(eref.role) for eref in family.event_ref_list
if eref.role.is_custom()])
if family.type.is_custom():
self.family_rel_types.add(str(family.type))
attr_list = []
for mref in family.media_list:
attr_list += [str(attr.type) for attr in mref.attribute_list
if attr.type.is_custom() and str(attr.type)]
self.media_attributes.update(attr_list)
def commit_repository(self, repository, transaction, change_time=None):
"""
Commits the specified Repository to the database, storing the changes
as part of the transaction.
"""
self._commit_base(repository, self.repository_map, REPOSITORY_KEY,
transaction.repository_update,
transaction.repository_add,
transaction, change_time)
if repository.type.is_custom():
self.repository_types.add(str(repository.type))
self.url_types.update([str(url.type) for url in repository.urls
if url.type.is_custom()])
def find_next_person_gramps_id(self):
"""
Returns the next available GRAMPS' ID for a Person object based
off the person ID prefix.
"""
index = self.iprefix % self.pmap_index
while self.id_trans.has_key(str(index)):
self.pmap_index += 1
index = self.iprefix % self.pmap_index
self.pmap_index += 1
return index
def find_next_place_gramps_id(self):
"""
Returns the next available GRAMPS' ID for a Place object based
off the person ID prefix.
"""
index = self.pprefix % self.lmap_index
while self.pid_trans.has_key(str(index)):
self.lmap_index += 1
index = self.pprefix % self.lmap_index
self.lmap_index += 1
return index
def find_next_event_gramps_id(self):
"""
Returns the next available GRAMPS' ID for a Event object based
off the person ID prefix.
"""
index = self.eprefix % self.emap_index
while self.eid_trans.has_key(str(index)):
self.emap_index += 1
index = self.eprefix % self.emap_index
self.emap_index += 1
return index
def find_next_object_gramps_id(self):
"""
Returns the next available GRAMPS' ID for a MediaObject object based
off the person ID prefix.
"""
index = self.oprefix % self.omap_index
while self.oid_trans.has_key(str(index)):
self.omap_index += 1
index = self.oprefix % self.omap_index
self.omap_index += 1
return index
def find_next_source_gramps_id(self):
"""
Returns the next available GRAMPS' ID for a Source object based
off the person ID prefix.
"""
index = self.sprefix % self.smap_index
while self.sid_trans.has_key(str(index)):
self.smap_index += 1
index = self.sprefix % self.smap_index
self.smap_index += 1
return index
def find_next_family_gramps_id(self):
"""
Returns the next available GRAMPS' ID for a Family object based
off the person ID prefix.
"""
index = self.fprefix % self.fmap_index
while self.fid_trans.has_key(str(index)):
self.fmap_index += 1
index = self.fprefix % self.fmap_index
self.fmap_index += 1
return index
def find_next_repository_gramps_id(self):
"""
Returns the next available GRAMPS' ID for a Respository object based
off the repository ID prefix.
"""
index = self.rprefix % self.rmap_index
while self.rid_trans.has_key(str(index)):
self.rmap_index += 1
index = self.rprefix % self.rmap_index
self.rmap_index += 1
return index
def _get_from_handle(self, handle, class_type, data_map):
if not data_map:
return
data = data_map.get(str(handle))
if data:
newobj = class_type()
newobj.unserialize(data)
return newobj
return None
def get_person_from_handle(self, handle):
"""
Finds a Person in the database from the passed gramps' ID.
If no such Person exists, None is returned.
"""
return self._get_from_handle(handle, Person, self.person_map)
def get_source_from_handle(self, handle):
"""
Finds a Source in the database from the passed gramps' ID.
If no such Source exists, None is returned.
"""
return self._get_from_handle(handle, Source, self.source_map)
def get_object_from_handle(self, handle):
"""
Finds an Object in the database from the passed gramps' ID.
If no such Object exists, None is returned.
"""
return self._get_from_handle(handle, MediaObject, self.media_map)
def get_place_from_handle(self, handle):
"""
Finds a Place in the database from the passed gramps' ID.
If no such Place exists, None is returned.
"""
return self._get_from_handle(handle, Place, self.place_map)
def get_event_from_handle(self, handle):
"""
Finds a Event in the database from the passed gramps' ID.
If no such Event exists, None is returned.
"""
return self._get_from_handle(handle, Event, self.event_map)
def get_family_from_handle(self, handle):
"""
Finds a Family in the database from the passed gramps' ID.
If no such Family exists, None is returned.
"""
return self._get_from_handle(handle, Family, self.family_map)
def get_repository_from_handle(self, handle):
"""
Finds a Repository in the database from the passed gramps' ID.
If no such Repository exists, None is returned.
"""
return self._get_from_handle(handle, Repository, self.repository_map)
def _find_from_handle(self, handle, transaction, class_type, dmap,
add_func):
obj = class_type()
handle = str(handle)
if dmap.has_key(handle):
obj.unserialize(dmap.get(handle))
else:
obj.set_handle(handle)
add_func(obj, transaction)
return obj
def _check_from_handle(self, handle, transaction, class_type, dmap,
add_func):
handle = str(handle)
if not dmap.has_key(handle):
obj = class_type()
obj.set_handle(handle)
add_func(obj, transaction)
def find_person_from_handle(self, handle, transaction):
"""
Finds a Person in the database from the passed GRAMPS ID.
If no such Person exists, a new Person is added to the database.
"""
return self._find_from_handle(handle, transaction, Person,
self.person_map, self.add_person)
def find_source_from_handle(self, handle, transaction):
"""
Finds a Source in the database from the passed handle.
If no such Source exists, a new Source is added to the database.
"""
return self._find_from_handle(handle, transaction, Source,
self.source_map, self.add_source)
def find_event_from_handle(self, handle, transaction):
"""
Finds a Event in the database from the passed handle.
If no such Event exists, a new Event is added to the database.
"""
return self._find_from_handle(handle, transaction, Event,
self.event_map, self.add_event)
def find_object_from_handle(self, handle, transaction):
"""
Finds an MediaObject in the database from the passed handle.
If no such MediaObject exists, a new Object is added to the database.
"""
return self._find_from_handle(handle, transaction, MediaObject,
self.media_map, self.add_object)
def find_place_from_handle(self, handle, transaction):
"""
Finds a Place in the database from the passed handle.
If no such Place exists, a new Place is added to the database.
"""
return self._find_from_handle(handle, transaction, Place,
self.place_map, self.add_place)
def find_family_from_handle(self, handle, transaction):
"""
Finds a Family in the database from the passed handle.
If no such Family exists, a new Family is added to the database.
"""
return self._find_from_handle(handle, transaction, Family,
self.family_map, self.add_family)
def find_repository_from_handle(self, handle, transaction):
"""
Finds a Repository in the database from the passed handle.
If no such Repository exists, a new Repository is added to the database.
"""
return self._find_from_handle(handle, transaction, Repository,
self.repository_map, self.add_repository)
def check_person_from_handle(self, handle, transaction):
"""
Checks whether a Person with the passed handle exists in the database.
If no such Person exists, a new Person is added to the database.
"""
self._check_from_handle(handle, transaction, Person,
self.person_map, self.add_person)
def check_source_from_handle(self, handle, transaction):
"""
Checks whether a Source with the passed handle exists in the database.
If no such Source exists, a new Source is added to the database.
"""
self._check_from_handle(handle, transaction, Source,
self.source_map, self.add_source)
def check_event_from_handle(self, handle, transaction):
"""
Checks whether an Event with the passed handle exists in the database.
If no such Event exists, a new Event is added to the database.
"""
self._check_from_handle(handle, transaction, Event,
self.event_map, self.add_event)
def check_object_from_handle(self, handle, transaction):
"""
Checks whether a MediaObject with the passed handle exists in
the database. If no such MediaObject exists, a new Object is
added to the database.
"""
self._check_from_handle(handle, transaction, MediaObject,
self.media_map, self.add_object)
def check_place_from_handle(self, handle, transaction):
"""
Checks whether a Place with the passed handle exists in the database.
If no such Place exists, a new Place is added to the database.
"""
self._check_from_handle(handle, transaction, Place,
self.place_map, self.add_place)
def check_family_from_handle(self, handle, transaction):
"""
Checks whether a Family with the passed handle exists in the database.
If no such Family exists, a new Family is added to the database.
"""
self._check_from_handle(handle, transaction, Family,
self.family_map, self.add_family)
def check_repository_from_handle(self, handle, transaction):
"""
Checks whether a Repository with the passed handle exists in the
database. If no such Repository exists, a new Repository is added
to the database.
"""
self._check_from_handle(handle, transaction, Repository,
self.repository_map, self.add_repository)
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.
Needs to be overridden by the derrived class.
"""
assert False, "Needs to be overridden in the derived class"
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.
Needs to be overridden by the derrived class.
"""
assert False, "Needs to be overridden in the derived class"
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.
Needs to be overridden by the derrived class.
"""
assert False, "Needs to be overridden in the derived class"
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.
Needs to be overridden by the derrived class.
"""
assert False, "Needs to be overridden in the derived class"
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.
Needs to be overridden by the derrived class.
"""
assert False, "Needs to be overridden in the derived class"
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.
Needs to be overridden by the derrived class.
"""
assert False, "Needs to be overridden in the derived class"
def get_repository_from_gramps_id(self, val):
"""
Finds a Repository in the database from the passed gramps' ID.
If no such MediaObject exists, None is returned.
Needs to be overridden by the derrived class.
"""
assert False, "Needs to be overridden in the derived class"
def _add_object(self, obj, transaction, find_next_func, commit_func):
if not obj.gramps_id:
obj.gramps_id = find_next_func()
if not obj.handle:
obj.handle = self.create_id()
commit_func(obj, transaction)
if obj.__class__.__name__ == 'Person':
self.genderStats.count_person (obj)
return obj.handle
def add_person(self, person, transaction):
"""
Adds a Person to the database, assigning internal IDs if they have
not already been defined.
"""
return self._add_object(person, transaction,
self.find_next_person_gramps_id,
self.commit_person)
def add_family(self, family, transaction):
"""
Adds a Family to the database, assigning internal IDs if they have
not already been defined.
"""
return self._add_object(family, transaction,
self.find_next_family_gramps_id,
self.commit_family)
def add_source(self, source, transaction):
"""
Adds a Source to the database, assigning internal IDs if they have
not already been defined.
"""
return self._add_object(source, transaction,
self.find_next_source_gramps_id,
self.commit_source)
def add_event(self, event, transaction):
"""
Adds an Event to the database, assigning internal IDs if they have
not already been defined.
"""
return self._add_object(event, transaction,
self.find_next_event_gramps_id,
self.commit_event)
def add_person_event(self, event, transaction):
"""
Adds an Event to the database, assigning internal IDs if they have
not already been defined.
"""
if event.type.is_custom():
self.individual_event_names.add(str(event.type))
return self.add_event(event, transaction)
def add_family_event(self, event, transaction):
"""
Adds an Event to the database, assigning internal IDs if they have
not already been defined.
"""
if event.type.is_custom():
self.family_event_names.add(str(event.type))
return self.add_event(event, transaction)
def add_place(self, place, transaction):
"""
Adds a Place to the database, assigning internal IDs if they have
not already been defined.
"""
return self._add_object(place, transaction,
self.find_next_place_gramps_id,
self.commit_place)
def add_object(self, obj, transaction):
"""
Adds a MediaObject to the database, assigning internal IDs if they have
not already been defined.
"""
return self._add_object(obj, transaction,
self.find_next_object_gramps_id,
self.commit_media_object)
def add_repository(self, obj, transaction):
"""
Adds a Repository to the database, assigning internal IDs if they have
not already been defined.
"""
return self._add_object(obj, transaction,
self.find_next_repository_gramps_id,
self.commit_repository)
def get_name_group_mapping(self, name):
"""
Returns the default grouping name for a surname
"""
return unicode(self.name_group.get(str(name), name))
def get_name_group_keys(self):
"""
Returns the defined names that have been assigned to a default grouping
"""
return [unicode(k) for k in self.name_group.keys()]
def set_name_group_mapping(self, name, group):
"""
Sets the default grouping name for a surname. Needs to be overridden
in the derived class.
"""
assert False, "Needs to be overridden in the derived class"
def get_number_of_people(self):
"""
Returns the number of people currently in the databse.
"""
if self.db_is_open:
return len(self.person_map)
else:
return 0
def get_number_of_families(self):
"""
Returns the number of families currently in the databse.
"""
return len(self.family_map)
def get_number_of_events(self):
"""
Returns the number of events currently in the databse.
"""
return len(self.event_map)
def get_number_of_places(self):
"""
Returns the number of places currently in the databse.
"""
return len(self.place_map)
def get_number_of_sources(self):
"""
Returns the number of sources currently in the databse.
"""
return len(self.source_map)
def get_number_of_media_objects(self):
"""
Returns the number of media objects currently in the databse.
"""
return len(self.media_map)
def get_number_of_repositories(self):
"""
Returns the number of source repositories currently in the databse.
"""
return len(self.repository_map)
def _all_handles(self, table):
return table.keys()
def get_person_handles(self, sort_handles=True):
"""
Returns a list of database handles, one handle for each Person in
the database. If sort_handles is True, the list is sorted by surnames
"""
if self.db_is_open:
if sort_handles:
slist = []
cursor = self.get_person_cursor()
data = cursor.first()
while data:
slist.append((data[1][3][3], data[0]))
data = cursor.next()
cursor.close()
slist.sort()
return map(lambda x: x[1], slist)
else:
return self._all_handles(self.person_map)
return []
def get_place_handles(self, sort_handles=True):
"""
Returns a list of database handles, one handle for each Place in
the database. If sort_handles is True, the list is sorted by
Place title.
"""
if self.db_is_open:
if sort_handles:
slist = []
cursor = self.get_place_cursor()
data = cursor.first()
while data:
slist.append((data[1][2], data[0]))
data = cursor.next()
cursor.close()
slist.sort()
val = map(lambda x: x[1], slist)
return val
else:
return self._all_handles(self.place_map)
return []
def get_source_handles(self, sort_handles=True):
"""
Returns a list of database handles, one handle for each Source in
the database. If sort_handles is True, the list is sorted by
Source title.
"""
if self.db_is_open:
handle_list = self._all_handles(self.source_map)
if sort_handles:
handle_list.sort(self._sortbysource)
return handle_list
return []
def get_media_object_handles(self, sort_handles=True):
"""
Returns a list of database handles, one handle for each MediaObject in
the database. If sort_handles is True, the list is sorted by title.
"""
if self.db_is_open:
handle_list = self._all_handles(self.media_map)
if sort_handles:
handle_list.sort(self._sortbymedia)
return handle_list
return []
def get_event_handles(self):
"""
Returns a list of database handles, one handle for each Event in
the database.
"""
if self.db_is_open:
return self._all_handles(self.event_map)
return []
def get_family_handles(self):
"""
Returns a list of database handles, one handle for each Family in
the database.
"""
if self.db_is_open:
return self._all_handles(self.family_map)
return []
def get_repository_handles(self):
"""
Returns a list of database handles, one handle for each Repository in
the database.
"""
if self.db_is_open:
return self._all_handles(self.repository_map)
return []
def get_gramps_ids(self, obj_key):
key2table = {
PERSON_KEY: self.id_trans,
FAMILY_KEY: self.fid_trans,
SOURCE_KEY: self.sid_trans,
EVENT_KEY: self.eid_trans,
MEDIA_KEY: self.oid_trans,
PLACE_KEY: self.pid_trans,
REPOSITORY_KEY: self.rid_trans,
}
table = key2table[obj_key]
return table.keys()
def has_gramps_id(self, obj_key, gramps_id):
key2table = {
PERSON_KEY: self.id_trans,
FAMILY_KEY: self.fid_trans,
SOURCE_KEY: self.sid_trans,
EVENT_KEY: self.eid_trans,
MEDIA_KEY: self.oid_trans,
PLACE_KEY: self.pid_trans,
REPOSITORY_KEY: self.rid_trans,
}
table = key2table[obj_key]
return table.has_key(str(gramps_id))
def find_initial_person(self):
person = self.get_default_person()
if not person:
the_ids = self.get_gramps_ids(PERSON_KEY)
if the_ids:
person = self.get_person_from_gramps_id(min(the_ids))
return person
def _validated_id_prefix(self, val, default):
if val:
try:
junk = val % 1
prefix_var = val # use the prefix as is because it works fine
except:
try:
val = val + "%d"
junk = val % 1
prefix_var = val # format string was missing
except:
prefix_var = default+"%04d" # use default
else:
prefix_var = default+"%04d"
return prefix_var
def set_person_id_prefix(self, val):
"""
Sets the naming template for GRAMPS Person ID values. The string is
expected to be in the form of a simple text string, or in a format
that contains a C/Python style format string using %d, such as I%d
or I%04d.
"""
self.iprefix = self._validated_id_prefix(val, "I")
def set_source_id_prefix(self, val):
"""
Sets the naming template for GRAMPS Source ID values. The string is
expected to be in the form of a simple text string, or in a format
that contains a C/Python style format string using %d, such as S%d
or S%04d.
"""
self.sprefix = self._validated_id_prefix(val, "S")
def set_object_id_prefix(self, val):
"""
Sets the naming template for GRAMPS MediaObject ID values. The string
is expected to be in the form of a simple text string, or in a format
that contains a C/Python style format string using %d, such as O%d
or O%04d.
"""
self.oprefix = self._validated_id_prefix(val, "O")
def set_place_id_prefix(self, val):
"""
Sets the naming template for GRAMPS Place ID values. The string is
expected to be in the form of a simple text string, or in a format
that contains a C/Python style format string using %d, such as P%d
or P%04d.
"""
self.pprefix = self._validated_id_prefix(val, "P")
def set_family_id_prefix(self, val):
"""
Sets the naming template for GRAMPS Family ID values. The string is
expected to be in the form of a simple text string, or in a format
that contains a C/Python style format string using %d, such as F%d
or F%04d.
"""
self.fprefix = self._validated_id_prefix(val, "F")
def set_event_id_prefix(self, val):
"""
Sets the naming template for GRAMPS Event ID values. The string is
expected to be in the form of a simple text string, or in a format
that contains a C/Python style format string using %d, such as E%d
or E%04d.
"""
self.eprefix = self._validated_id_prefix(val, "E")
def set_repository_id_prefix(self, val):
"""
Sets the naming template for GRAMPS Repository ID values. The string is
expected to be in the form of a simple text string, or in a format
that contains a C/Python style format string using %d, such as R%d
or R%04d.
"""
self.rprefix = self._validated_id_prefix(val, "R")
def transaction_begin(self, msg="",batch=False,no_magic=False):
"""
Creates a new Transaction tied to the current UNDO database. The
transaction has no effect until it is committed using the
transaction_commit function of the this database object.
"""
if self.__LOG_ALL:
log.debug("%s: Transaction begin '%s'\n"
% (self.__class__.__name__, str(msg)))
if batch:
# A batch transaction does not store the commits
# Aborting the session completely will become impossible.
self.abort_possible = False
self.undo_history_timestamp = time.time()
# Undo is also impossible after batch transaction
self.undoindex = -1
self.translist = [None] * _UNDO_SIZE
return Transaction(msg, self.undodb, batch)
def transaction_commit(self, transaction, msg):
"""
Commits the transaction to the assocated UNDO database.
"""
if self.__LOG_ALL:
log.debug("%s: Transaction commit '%s'\n"
% (self.__class__.__name__, str(msg)))
if not len(transaction) or self.readonly:
return
transaction.set_description(msg)
transaction.timestamp = time.time()
self.undoindex += 1
if self.undoindex >= _UNDO_SIZE:
# We overran the undo size.
# Aborting the session completely will become impossible.
self.abort_possible = False
self.undo_history_timestamp = time.time()
self.translist = self.translist[0:-1] + [ transaction ]
else:
self.translist[self.undoindex] = transaction
# Real commit erases all subsequent transactions
# to there's no Redo anymore.
for index in range(self.undoindex+1, _UNDO_SIZE):
self.translist[index] = None
person_add = self._do_commit(transaction.person_add,self.person_map)
family_add = self._do_commit(transaction.family_add,self.family_map)
source_add = self._do_commit(transaction.source_add,self.source_map)
place_add = self._do_commit(transaction.place_add, self.place_map)
media_add = self._do_commit(transaction.media_add, self.media_map)
event_add = self._do_commit(transaction.event_add, self.event_map)
repository_add= self._do_commit(transaction.repository_add,
self.repository_map)
person_upd = self._do_commit(transaction.person_update,
self.person_map)
family_upd = self._do_commit(transaction.family_update,
self.family_map)
source_upd = self._do_commit(transaction.source_update,
self.source_map)
place_upd = self._do_commit(transaction.place_update,
self.place_map)
media_upd = self._do_commit(transaction.media_update,
self.media_map)
event_upd = self._do_commit(transaction.event_update,
self.event_map)
repository_upd= self._do_commit(transaction.repository_update,
self.repository_map)
self._do_emit('person', person_add, person_upd, transaction.person_del)
self._do_emit('family', family_add, family_upd, transaction.family_del)
self._do_emit('event', event_add, event_upd, transaction.event_del)
self._do_emit('source', source_add, source_upd, transaction.source_del)
self._do_emit('place', place_add, place_upd, transaction.place_del)
self._do_emit('media', media_add, media_upd, transaction.media_del)
self._do_emit('repository', repository_add, repository_upd,
transaction.repository_del)
self._do_del(transaction.person_del, self._del_person)
self._do_del(transaction.family_del, self._del_family)
self._do_del(transaction.place_del, self._del_place)
self._do_del(transaction.source_del, self._del_source)
self._do_del(transaction.event_del, self._del_event)
self._do_del(transaction.media_del, self._del_media)
self._do_del(transaction.repository_del, self._del_repository)
if self.undo_callback:
self.undo_callback(_("_Undo %s") % transaction.get_description())
if self.redo_callback:
self.redo_callback(None)
if self.undo_history_callback:
self.undo_history_callback()
def _do_emit(self, objtype, add_list, upd_list, del_list):
if add_list:
self.emit(objtype + '-add', (add_list, ))
if upd_list:
self.emit(objtype + '-update', (upd_list, ))
if del_list:
self.emit(objtype + '-delete', (del_list, ))
def _do_del(self, del_list, func):
for handle in del_list:
func(handle)
return del_list
def _do_commit(self, add_list, db_map):
retlist = []
for (handle, data) in add_list:
db_map[handle] = data
retlist.append(str(handle))
return retlist
def undo_available(self):
# returns boolean of whether or not there's a possibility of undo
if self.undoindex == -1 or self.readonly:
return False
return True
def redo_available(self):
# returns boolean of whether or not there's a possibility of redo
if self.undoindex >= _UNDO_SIZE or self.readonly:
return False
if self.translist[self.undoindex+1] == None:
return False
return True
def undo(self,update_history=True):
"""
Accesses the last committed transaction, and reverts the data to
the state before the transaction was committed.
"""
if not self.undo_available():
return False
transaction = self.translist[self.undoindex]
mapbase = (self.person_map, self.family_map, self.source_map,
self.event_map, self.media_map, self.place_map,
self.repository_map)
self.undoindex -= 1
subitems = transaction.get_recnos()
subitems.reverse()
for record_id in subitems:
(key,handle,old_data,new_data) = transaction.get_record(record_id)
if key == REFERENCE_KEY:
self.undo_reference(old_data, handle)
else:
self.undo_data(old_data, handle, mapbase[key], _sigbase[key])
if self.undo_callback:
if self.undo_available():
new_transaction = self.translist[self.undoindex]
self.undo_callback(_("_Undo %s")
% new_transaction.get_description())
else:
self.undo_callback(None)
if self.redo_callback:
if self. redo_available():
self.redo_callback(_("_Redo %s")
% transaction.get_description())
else:
self.redo_callback(None)
if update_history and self.undo_history_callback:
self.undo_history_callback()
return True
def redo(self,update_history=True):
"""
Accesses the last undone transaction, and reverts the data to
the state before the transaction was undone.
"""
if not self.redo_available():
return False
self.undoindex += 1
transaction = self.translist[self.undoindex]
mapbase = (self.person_map, self.family_map, self.source_map,
self.event_map, self.media_map, self.place_map,
self.repository_map)
subitems = transaction.get_recnos()
for record_id in subitems:
(key,handle,old_data,new_data) = transaction.get_record(record_id)
if key == REFERENCE_KEY:
self.undo_reference(new_data, handle)
else:
self.undo_data(new_data, handle, mapbase[key], _sigbase[key])
if self.undo_callback:
if self.undo_available():
self.undo_callback(_("_Undo %s")
% transaction.get_description())
else:
self.undo_callback(None)
if self.redo_callback:
if self.redo_available():
new_transaction = self.translist[self.undoindex+1]
self.redo_callback(_("_Redo %s")
% new_transaction.get_description())
else:
self.redo_callback(None)
if update_history and self.undo_history_callback:
self.undo_history_callback()
return True
def undo_reference(self, data, handle):
pass
def undo_data(self, data, handle, db_map, signal_root):
if data == None:
self.emit(signal_root + '-delete', ([handle], ))
del db_map[handle]
else:
if db_map.has_key(handle):
signal = signal_root + '-update'
else:
signal = signal_root + '-add'
db_map[handle] = data
self.emit(signal, ([handle], ))
def set_undo_callback(self, callback):
"""
Defines the callback function that is called whenever an undo operation
is executed. The callback function recieves a single argument that is a
text string that defines the operation.
"""
self.undo_callback = callback
def set_redo_callback(self, callback):
"""
Defines the callback function that is called whenever an redo operation
is executed. The callback function recieves a single argument that is a
text string that defines the operation.
"""
self.redo_callback = callback
def get_surname_list(self):
"""
Returns the list of surnames contained within the database.
The function must be overridden in the derived class.
"""
assert False, "Needs to be overridden in the derived class"
def get_bookmarks(self):
"""returns the list of Person handles in the bookmarks"""
return self.bookmarks
def get_family_bookmarks(self):
"""returns the list of Person handles in the bookmarks"""
return self.family_bookmarks
def get_event_bookmarks(self):
"""returns the list of Person handles in the bookmarks"""
return self.event_bookmarks
def get_place_bookmarks(self):
"""returns the list of Person handles in the bookmarks"""
return self.place_bookmarks
def get_source_bookmarks(self):
"""returns the list of Person handles in the bookmarks"""
return self.source_bookmarks
def get_media_bookmarks(self):
"""returns the list of Person handles in the bookmarks"""
return self.media_bookmarks
def get_repo_bookmarks(self):
"""returns the list of Person handles in the bookmarks"""
return self.repo_bookmarks
def set_researcher(self, owner):
"""sets the information about the owner of the database"""
self.owner.set(owner.get_name(), owner.get_address(),
owner.get_city(), owner.get_state(),
owner.get_country(), owner.get_postal_code(),
owner.get_phone(), owner.get_email())
def get_researcher(self):
"""returns the Researcher instance, providing information about
the owner of the database"""
return self.owner
def set_default_person_handle(self, handle):
"""sets the default Person to the passed instance"""
if (self.metadata != None) and (not self.readonly):
self.metadata['default'] = str(handle)
def get_default_person(self):
"""returns the default Person of the database"""
person = self.get_person_from_handle(self.get_default_handle())
if person:
return person
elif (self.metadata != None) and (not self.readonly):
self.metadata['default'] = None
return None
def get_default_handle(self):
"""returns the default Person of the database"""
if self.metadata != None:
return self.metadata.get('default')
return None
def get_save_path(self):
"""returns the save path of the file, or "" if one does not exist"""
return self.path
def set_save_path(self, path):
"""sets the save path for the database"""
self.path = path
def get_person_event_types(self):
"""returns a list of all Event types assocated with Person
instances in the database"""
return list(self.individual_event_names)
def get_person_attribute_types(self):
"""returns a list of all Attribute types assocated with Person
instances in the database"""
return list(self.individual_attributes)
def get_family_attribute_types(self):
"""returns a list of all Attribute types assocated with Family
instances in the database"""
return list(self.family_attributes)
def get_family_event_types(self):
"""returns a list of all Event types assocated with Family
instances in the database"""
return list(self.family_event_names)
def get_marker_types(self):
"""return a list of all marker types available in the database"""
return list(self.marker_names)
def get_media_attribute_types(self):
"""returns a list of all Attribute types assocated with Media
and MediaRef instances in the database"""
return list(self.media_attributes)
def get_family_relation_types(self):
"""returns a list of all relationship types assocated with Family
instances in the database"""
return list(self.family_rel_types)
def get_child_reference_types(self):
"""returns a list of all child reference types assocated with Family
instances in the database"""
return list(self.child_ref_types)
def get_event_roles(self):
"""returns a list of all custom event role names assocated with Event
instances in the database"""
return list(self.event_role_names)
def get_name_types(self):
"""returns a list of all custom names types assocated with Person
instances in the database"""
return list(self.name_types)
def get_repository_types(self):
"""returns a list of all custom repository types assocated with
Repository instances in the database"""
return list(self.repository_types)
def get_source_media_types(self):
"""returns a list of all custom source media types assocated with
Source instances in the database"""
return list(self.source_media_types)
def get_url_types(self):
"""returns a list of all custom names types assocated with Url
instances in the database"""
return list(self.url_types)
def remove_person(self, handle, transaction):
"""
Removes the Person specified by the database handle from the
database, preserving the change in the passed transaction. This
method must be overridden in the derived class.
"""
if self.readonly or not handle:
return
self._delete_primary_from_reference_map(handle, transaction)
person = self.get_person_from_handle(handle)
self.genderStats.uncount_person (person)
if transaction.batch:
self._del_person(handle)
else:
transaction.add(PERSON_KEY, handle, person.serialize(), None)
transaction.person_del.append(str(handle))
def get_del_func(self,key):
key2del = {
PERSON_KEY: self._del_person,
FAMILY_KEY: self._del_family,
SOURCE_KEY: self._del_source,
EVENT_KEY: self._del_event,
MEDIA_KEY: self._del_media,
PLACE_KEY: self._del_place,
REPOSITORY_KEY: self._del_repository,
}
return key2del[key]
def _do_remove_object(self, handle, trans, dmap, key, del_list):
if self.readonly or not handle:
return
handle = str(handle)
self._delete_primary_from_reference_map(handle, trans)
if trans.batch:
del_func = self.get_del_func(key)
del_func(handle)
else:
old_data = dmap.get(handle)
trans.add(key, handle, old_data, None)
del_list.append(handle)
def remove_source(self, handle, transaction):
"""
Removes the Source specified by the database handle from the
database, preserving the change in the passed transaction. This
method must be overridden in the derived class.
"""
self._do_remove_object(handle, transaction, self.source_map,
SOURCE_KEY, transaction.source_del)
def remove_event(self, handle, transaction):
"""
Removes the Event specified by the database handle from the
database, preserving the change in the passed transaction. This
method must be overridden in the derived class.
"""
self._do_remove_object(handle, transaction, self.event_map,
EVENT_KEY, transaction.event_del)
def remove_object(self, handle, transaction):
"""
Removes the MediaObjectPerson specified by the database handle from the
database, preserving the change in the passed transaction. This
method must be overridden in the derived class.
"""
self._do_remove_object(handle, transaction, self.media_map,
MEDIA_KEY, transaction.media_del)
def remove_place(self, handle, transaction):
"""
Removes the Place specified by the database handle from the
database, preserving the change in the passed transaction. This
method must be overridden in the derived class.
"""
self._do_remove_object(handle, transaction, self.place_map,
PLACE_KEY, transaction.place_del)
def remove_family(self, handle, transaction):
"""
Removes the Family specified by the database handle from the
database, preserving the change in the passed transaction. This
method must be overridden in the derived class.
"""
self._do_remove_object(handle, transaction, self.family_map,
FAMILY_KEY, transaction.family_del)
def remove_repository(self, handle, transaction):
"""
Removes the Repository specified by the database handle from the
database, preserving the change in the passed transaction. This
method must be overridden in the derived class.
"""
self._do_remove_object(handle, transaction, self.repository_map,
REPOSITORY_KEY, transaction.repository_del)
def get_raw_person_data(self, handle):
return self.person_map.get(str(handle))
def get_raw_family_data(self, handle):
return self.family_map.get(str(handle))
def get_raw_object_data(self, handle):
return self.media_map.get(str(handle))
def get_raw_place_data(self, handle):
return self.place_map.get(str(handle))
def get_raw_event_data(self, handle):
return self.event_map.get(str(handle))
def get_raw_source_data(self, handle):
return self.source_map.get(str(handle))
def get_raw_repository_data(self, handle):
return self.repository_map.get(str(handle))
def has_person_handle(self, handle):
"""
returns True if the handle exists in the current Person database.
"""
return self.person_map.has_key(str(handle))
def has_event_handle(self, handle):
"""
returns True if the handle exists in the current Event database.
"""
return self.event_map.has_key(str(handle))
def has_source_handle(self, handle):
"""
returns True if the handle exists in the current Source database.
"""
return self.source_map.has_key(str(handle))
def has_place_handle(self, handle):
"""
returns True if the handle exists in the current Place database.
"""
return self.place_map.has_key(str(handle))
def has_family_handle(self, handle):
"""
returns True if the handle exists in the current Family database.
"""
return self.family_map.has_key(str(handle))
def has_object_handle(self, handle):
"""
returns True if the handle exists in the current MediaObjectdatabase.
"""
return self.media_map.has_key(str(handle))
def has_repository_handle(self, handle):
"""
returns True if the handle exists in the current Repository database.
"""
return self.repository_map.has_key(str(handle))
def _sortbyplace(self, first, second):
return locale.strcoll(self.place_map.get(str(first))[2],
self.place_map.get(str(second))[2])
def _sortbysource(self, first, second):
source1 = unicode(self.source_map[str(first)][2])
source2 = unicode(self.source_map[str(second)][2])
return locale.strcoll(source1, source2)
def _sortbymedia(self, first, second):
media1 = self.media_map[str(first)][4]
media2 = self.media_map[str(second)][4]
return locale.strcoll(media1, media2)
def _set_column_order(self, col_list, name):
if (self.metadata != None) and (not self.readonly):
self.metadata[name] = col_list
def set_person_column_order(self, col_list):
"""
Stores the Person display common information in the
database's metadata.
"""
self._set_column_order(col_list, PERSON_COL_KEY)
def set_family_list_column_order(self, col_list):
"""
Stores the Person display common information in the
database's metadata.
"""
self._set_column_order(col_list, FAMILY_COL_KEY)
def set_child_column_order(self, col_list):
"""
Stores the Person display common information in the
database's metadata.
"""
self._set_column_order(col_list, CHILD_COL_KEY)
def set_place_column_order(self, col_list):
"""
Stores the Place display common information in the
database's metadata.
"""
self._set_column_order(col_list, PLACE_COL_KEY)
def set_source_column_order(self, col_list):
"""
Stores the Source display common information in the
database's metadata.
"""
self._set_column_order(col_list, SOURCE_COL_KEY)
def set_media_column_order(self, col_list):
"""
Stores the Media display common information in the
database's metadata.
"""
self._set_column_order(col_list, MEDIA_COL_KEY)
def set_event_column_order(self, col_list):
"""
Stores the Event display common information in the
database's metadata.
"""
self._set_column_order(col_list, EVENT_COL_KEY)
def set_repository_column_order(self, col_list):
"""
Stores the Repository display common information in the
database's metadata.
"""
self._set_column_order(col_list, REPOSITORY_COL_KEY)
def _get_column_order(self, name, default):
if self.metadata == None:
return default
else:
cols = self.metadata.get(name, default)
if len(cols) != len(default):
return cols + default[len(cols):]
else:
return cols
def get_person_column_order(self):
"""
Returns the Person display common information stored in the
database's metadata.
"""
default = [(1, 1, 100), (1, 2, 100), (1, 3, 150), (0, 4, 150),
(1, 5, 150), (0, 6, 150), (0, 7, 100), (0, 8, 100),
]
return self._get_column_order(PERSON_COL_KEY, default)
def _get_columns(self, key, default):
values = self._get_column_order(key, default)
new = []
for val in values:
if len(val) == 2:
for x in default:
if val[1] == x[1]:
new.append((val[0], val[1], x[2]))
break
else:
new.append(val)
return new
def get_family_list_column_order(self):
"""
Returns the Person display common information stored in the
database's metadata.
"""
default = [(1, 0, 75), (1, 1, 200), (1, 2, 200), (1, 3, 100),
(0, 4, 100)]
return self._get_columns(FAMILY_COL_KEY, default)
def get_child_column_order(self):
"""
Returns the Person display common information stored in the
database's metadata.
"""
default = [(1, 0), (1, 1), (1, 2), (1, 3), (1, 4), (1, 5),
(0, 6), (0, 7)]
return self._get_column_order(CHILD_COL_KEY, default)
def get_place_column_order(self):
"""
Returns the Place display common information stored in the
database's metadata.
"""
default = [(1, 0, 250), (1, 1, 75), (1, 11, 100), (0, 3, 100),
(1, 4, 100, ), (0, 5, 150), (1, 6, 150), (0, 7, 150),
(0, 8, 150), (0, 9, 150), (0, 10, 150),(0,2,100)]
return self._get_columns(PLACE_COL_KEY, default)
def get_source_column_order(self):
"""
Returns the Source display common information stored in the
database's metadata.
"""
default = [(1, 0, 200), (1, 1, 75), (1, 2, 150), (0, 3, 100),
(1, 4, 150), (0, 5, 100)]
return self._get_columns(SOURCE_COL_KEY, default)
def get_media_column_order(self):
"""
Returns the MediaObject display common information stored in the
database's metadata.
"""
default = [(1, 0, 200, ), (1, 1, 75), (1, 2, 100), (1, 3, 200),
(1, 5, 150), (0, 4, 150)]
return self._get_columns(MEDIA_COL_KEY, default)
def get_event_column_order(self):
"""
Returns the Event display common information stored in the
database's metadata.
"""
default = [(1, 0, 200), (1, 1, 75), (1, 2, 100), (1, 3, 150),
(1, 4, 200), (0, 5, 100)]
return self._get_columns(EVENT_COL_KEY, default)
def get_repository_column_order(self):
"""
Returns the Repository display common information stored in the
database's metadata.
"""
default = [(1, 0, 200), (1, 1, 75), (0, 5, 100), (0, 6, 100),
(1, 2, 100), (1, 3, 250), (1, 4, 100), (0, 7, 100),
(0, 8, 100), (0, 9, 100), (0, 10, 100)]
return self._get_columns(REPOSITORY_COL_KEY, default)
def _delete_primary_from_reference_map(self, handle, transaction):
"""Called each time an object is removed from the database. This can
be used by subclasses to update any additional index tables that might
need to be changed."""
pass
def _update_reference_map(self, obj, transaction):
"""Called each time an object is writen to the database. This can
be used by subclasses to update any additional index tables that might
need to be changed."""
pass
def reindex_reference_map(self,callback):
"""
Reindex all primary records in the database.
"""
pass
def find_backlink_handles(self, handle, include_classes=None):
"""
Find all objects that hold a reference to the object handle.
Returns an interator over alist of (class_name, handle) tuples.
@param handle: handle of the object to search for.
@type handle: database handle
@param include_classes: list of class names to include in the results.
Default: None means include all classes.
@type include_classes: list of class names
This default implementation does a sequencial scan through all
the primary object databases and is very slow. Backends can
override this method to provide much faster implementations that
make use of additional capabilities of the backend.
Note that this is a generator function, it returns a iterator for
use in loops. If you want a list of the results use:
> result_list = [i for i in find_backlink_handles(handle)]
"""
# Make a dictionary of the functions and classes that we need for
# each of the primary object tables.
primary_tables = {
'Person': {'cursor_func': self.get_person_cursor,
'class_func': Person},
'Family': {'cursor_func': self.get_family_cursor,
'class_func': Family},
'Event': {'cursor_func': self.get_event_cursor,
'class_func': Event},
'Place': {'cursor_func': self.get_place_cursor,
'class_func': Place},
'Source': {'cursor_func': self.get_source_cursor,
'class_func': Source},
'MediaObject': {'cursor_func': self.get_media_cursor,
'class_func': MediaObject},
'Repository': {'cursor_func': self.get_repository_cursor,
'class_func': Repository},
}
# Now we use the functions and classes defined above to loop through
# each of the existing primary object tables
for primary_table_name in primary_tables.keys():
cursor = primary_tables[primary_table_name]['cursor_func']()
data = cursor.first()
# Grab the real object class here so that the lookup does
# not happen inside the main loop.
class_func = primary_tables[primary_table_name]['class_func']
while data:
found_handle, val = data
obj = class_func()
obj.unserialize(val)
# Now we need to loop over all object types
# that have been requests in the include_classes list
for classname in primary_tables.keys():
if (include_classes == None) \
or (classname in include_classes):
if obj.has_handle_reference(classname,handle):
yield (primary_table_name, found_handle)
data = cursor.next()
cursor.close()
return
class Transaction:
"""
Defines a group of database commits that define a single logical
operation.
"""
def __init__(self, msg, db, batch=False, no_magic=False):
"""
Creates a new transaction. A Transaction instance should not be
created directly, but by the GrampsDbBase class or classes derived
from GrampsDbBase. The db parameter is a list-like interface that
stores the commit data. This could be a simple list, or a RECNO-style
database object.
The batch parameter is set to True for large transactions. For such
transactions, the list of changes is not maintained, and no undo
is possible.
The no_magic parameter is ignored for non-batch transactions, and
is also of no importance for DB backends other than BSD DB. For
the BSDDB, when this paramter is set to True, some secondary
indices will be removed at the beginning and then rebuilt at
the end of such transaction (only if it is batch).
"""
self.db = db
self.first = None
self.last = None
self.batch = batch
self.no_magic = no_magic
self.length = 0
self.timestamp = 0
self.person_add = []
self.person_del = []
self.person_update = []
self.family_add = []
self.family_del = []
self.family_update = []
self.source_add = []
self.source_del = []
self.source_update = []
self.event_add = []
self.event_del = []
self.event_update = []
self.media_add = []
self.media_del = []
self.media_update = []
self.place_add = []
self.place_del = []
self.place_update = []
self.repository_add = []
self.repository_del = []
self.repository_update = []
## def set_batch(self, batch):
## self.batch = batch
def get_batch(self):
return self.batch
def get_description(self):
"""
Returns the text string that describes the logical operation
performed by the Transaction.
"""
return self.msg
def set_description(self, msg):
"""
Sets the text string that describes the logical operation
performed by the Transaction.
"""
self.msg = msg
def add(self, obj_type, handle, old_data, new_data):
"""
Adds a commit operation to the Transaction. The obj_type is a constant
that indicates what type of PrimaryObject is being added. The handle
is the object's database handle, and the data is the tuple returned
by the object's serialize method.
"""
self.last = self.db.append(cPickle.dumps((obj_type,
handle,
old_data,
new_data),
1)
)
if self.first == None:
self.first = self.last
def get_recnos(self):
"""
Returns a list of record numbers associated with the transaction.
While the list is an arbitrary index of integers, it can be used
to indicate record numbers for a database.
"""
return range (self.first, self.last+1)
def get_record(self, recno):
"""
Returns a tuple representing the PrimaryObject type, database handle
for the PrimaryObject, and a tuple representing the data created by
the object's serialize method.
"""
return cPickle.loads(self.db[recno])
def __len__(self):
"""
Returns the number of commits associated with the Transaction.
"""
if self.last and self.first:
return self.last - self.first + 1
return 0
class DbState(GrampsDBCallback):
__signals__ = {
'database-changed' : (GrampsDbBase, ),
'active-changed' : (str, ),
'no-database' : None,
}
def __init__(self):
GrampsDBCallback.__init__(self)
self.db = GrampsDbBase()
self.open = False
self.active = None
def change_active_person(self, person):
self.active = person
if person:
try:
self.emit('active-changed', (person.handle, ))
except:
self.emit('active-changed', ("", ))
def change_active_handle(self, handle):
self.change_active_person(self.db.get_person_from_handle(handle))
def get_active_person(self):
if self.active: # Fetch a fresh version from DB to not return a stale one
self.active = self.db.get_person_from_handle(self.active.handle)
return self.active
def change_database(self, database):
self.db.close()
self.change_database_noclose(database)
def change_database_noclose(self, database):
self.db = database
self.active = None
self.open = True
def signal_change(self):
self.emit('database-changed', (self.db, ))
def no_database(self):
self.db.close()
self.db = GrampsDbBase()
self.active = None
self.open = False
self.emit('no-database')
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