ZODB database interface

svn: r995
This commit is contained in:
Don Allingham 2002-05-18 16:29:28 +00:00
parent 3538e1ee56
commit b7d910870e

327
gramps/src/GrampsZODB.py Normal file
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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2002 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
#
from ZODB import Persistent
from ZODB.FileStorage import FileStorage
from ZODB.DB import DB
from BTrees.OOBTree import OOBTree
from UserDict import UserDict
from RelLib import GrampsDB, Person
import const
class PersistentReference(Persistent):
def __init__(self, ob):
self.ob = ob
def getOb(self):
return self.ob
class PersonWrapper:
_real = None
def __init__(self, real, map):
self._real = real
self._map_ref = PersistentReference(map)
self.id = real.getId()
self.PrimaryName = real.getPrimaryName()
self.gender = real.getGender()
self.birth = real.getBirth()
self.death = real.getDeath()
def _notifyChange(self):
# Trigger a change to the PersonMap.
self._map_ref.getOb()[self.id] = self
def getId(self):
return self.id
def setId(self, id):
self._real.setId(id)
self.id = self._real.getId()
self._notifyChange()
def getPrimaryName(self):
return self.PrimaryName
def setPrimaryName(self, name):
self._real.setPrimaryName(name)
self.PrimaryName = self._real.getPrimaryName()
self._notifyChange()
def getGender(self):
return self.gender
def setGender(self, gender):
self._real.setGender(gender)
self.gender = self._real.getGender()
self._notifyChange()
def getBirth(self):
return self.birth
def setBirth(self, birth):
self._real.setBirth(birth)
self.birth = self._real.getBirth()
self._notifyChange()
def getDeath(self):
return self.death
def setDeath(self, death):
self._real.setDeath(death)
self.death = self._real.getDeath()
self._notifyChange()
for key, value in Person.__dict__.items():
if not key.startswith('_'):
code = ("def %s(self, *args, **kw): "
"return apply(self._real.%s, args, kw)") % (key, key)
d = {}
exec code in d
PersonWrapper.__dict__[key] = d[key]
class PersonMap(Persistent, UserDict):
def __init__(self):
self.data = OOBTree()
def __setitem__(self, key, value):
if not isinstance(value, PersonWrapper):
# Create the PersonWrapper.
assert isinstance(value, Person)
value = PersonWrapper(value, self)
self.data[key] = value
def update(self):
# This probably shouldn't be called anyway.
raise NotImplementedError
def copy(self):
# This probably shouldn't be called anyway.
raise NotImplementedError
class GrampsZODB(GrampsDB):
def __init__(self):
self.conn = None
GrampsDB.__init__(self)
def get_base(self):
return const.zodbFile
def need_autosave(self):
return 0
def new(self):
GrampsDB.new(self)
self.familyMap = OOBTree()
self.personMap = PersonMap()
self.sourceMap = OOBTree()
self.placeMap = OOBTree()
self.personTable = OOBTree()
self.placeTable = OOBTree()
if self.conn:
self.db.close()
self.conn.close()
self.conn = None
def save(self,name,callback):
get_transaction().commit()
if self.conn == None:
self.load(name,callback)
def load(self,name,callback):
s = FileStorage(name)
self.db = DB(s)
self.conn = self.db.open()
root = self.conn.root()
need_commit = 0
if root.has_key('fm'):
self.familyMap = root['fm']
else:
self.familyMap = OOBTree()
root['fm'] = self.familyMap
need_commit = 1
if root.has_key('pm'):
self.personMap = root['pm']
else:
self.personMap = PersonMap()
root['pm'] = self.personMap
need_commit = 1
if root.has_key('pmt'):
self.personTable = root['pmt']
else:
for key in self.personMap.keys():
person = self.personMap[key]
self.personTable[key] = person.getDisplayInfo()
root['pmt'] = self.personTable
need_commit = 1
if root.has_key('surnames'):
self.surnames = root['surnames']
else:
for key in self.personMap.keys():
person = self.personMap[key]
self.addSurname(person.getPrimaryName().getSurname())
root['surnames'] = self.surnames
need_commit = 1
if root.has_key('sm'):
self.sourceMap = root['sm']
else:
self.sourceMap = OOBTree()
root['sm'] = self.sourceMap
need_commit = 1
if root.has_key('smt'):
self.sourceTable = root['smt']
else:
for key in self.sourceMap.keys():
src = self.sourceMap[key]
self.sourceTable[key] = src.getDisplayInfo()
root['smt'] = self.sourceTable
need_commit = 1
if root.has_key('plm'):
self.placeMap = root['plm']
else:
self.placeMap = OOBTree()
root['plm'] = self.placeMap
need_commit = 1
if root.has_key('plmt'):
self.placeTable = root['plmt']
else:
for key in self.placeMap.keys():
place = self.placeMap[key]
self.placeTable[key] = place.getDisplayInfo()
root['plmt'] = self.placeTable
need_commit = 1
if root.has_key('default'):
self.default = root['default']
else:
self.default = None
root['default'] = self.default
need_commit = 1
if root.has_key('bookmarks'):
self.bookmarks = root['bookmarks']
else:
self.bookmarks = []
root['bookmarks'] = self.bookmarks
need_commit = 1
if need_commit:
get_transaction().commit()
return 1
def setDefaultPerson(self,person):
"""sets the default Person to the passed instance"""
GrampsDB.setDefaultPerson(self,person)
self.conn.root()['default'] = person
def removePerson(self,id):
GrampsDB.removePerson(self,id)
del self.personTable[id]
def removeSource(self,id):
GrampsDB.removeSource(self,id)
del self.sourceTable[id]
def removePlace(self,id):
GrampsDB.removePlace(self,id)
del self.placeTable[id]
def addPersonAs(self,person):
GrampsDB.addPersonAs(self,person)
self.personTable[person.getId()] = person.getDisplayInfo()
def addPlaceAs(self,place):
GrampsDB.addPlaceAs(self,place)
self.placeTable[place.getId()] = place.getDisplayInfo()
def addPerson(self,person):
i = GrampsDB.addPerson(self,person)
self.personTable[i] = person.getDisplayInfo()
return i
def addPlace(self,place):
i = GrampsDB.addPlace(self,place)
self.placeTable[i] = place.getDisplayInfo()
return i
def addPersonNoMap(self,person,id):
GrampsDB.addPersonNoMap(self,person,id)
self.personTable[id] = person.getDisplayInfo()
return id
def addPlaceNoMap(self,place,id):
GrampsDB.addPlaceNoMap(self,place,id)
self.placeTable[id] = place.getDisplayInfo()
return id
def findPersonNoMap(self,val):
p = GrampsDB.findPersonNoMap(self,val)
self.personTable[p.getId()] = p.getDisplayInfo()
return p
def findPlaceNoMap(self,val):
p = GrampsDB.findPlaceNoMap(self,val)
self.placeTable[p.getId()] = p.getDisplayInfo()
return p
def findPerson(self,idVal,map):
p = GrampsDB.findPerson(self,idVal,map)
self.personTable[p.getId()] = p.getDisplayInfo()
return p
def findPlace(self,idVal,map):
p = GrampsDB.findPlace(self,idVal,map)
self.placeTable[p.getId()] = p.getDisplayInfo()
return p
def addSource(self,source):
i = GrampsDB.addSource(self,source)
self.sourceTable[i] = source.getDisplayInfo()
return i
def addSourceNoMap(self,source,id):
GrampsDB.addSourceNoMap(self,source,id)
self.sourceTable[id] = source.getDisplayInfo()
return id
def findSourceNoMap(self,val):
p = GrampsDB.findSourceNoMap(self,val)
self.sourceTable[p.getId()] = p.getDisplayInfo()
return p
def findSource(self,idVal,map):
p = GrampsDB.findSource(self,idVal,map)
self.sourceTable[p.getId()] = p.getDisplayInfo()
return p