b3beba53d8
* allow to use bsddb3 as database via a config setting * set async write to disk to improve speed, eg import * 40 svn: r16446
87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2004-2007 Donald N. Allingham
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id$
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"""
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Declare constants used by database modules
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"""
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#-------------------------------------------------------------------------
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#
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# standard python modules
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#
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#-------------------------------------------------------------------------
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#-------------------------------------------------------------------------
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#
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# constants
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#
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#-------------------------------------------------------------------------
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__all__ = (
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('DBPAGE', 'DBMODE', 'DBCACHE', 'DBLOCKS', 'DBOBJECTS', 'DBUNDO',
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'DBEXT', 'DBMODE_R', 'DBMODE_W', 'DBUNDOFN', 'DBLOCKFN',
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'DBRECOVFN', 'DBLOGNAME', 'DBFLAGS_O', 'DBFLAGS_R', 'DBFLAGS_D',
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) +
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('PERSON_KEY', 'FAMILY_KEY', 'SOURCE_KEY', 'EVENT_KEY',
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'MEDIA_KEY', 'PLACE_KEY', 'REPOSITORY_KEY', 'NOTE_KEY',
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'REFERENCE_KEY', 'TAG_KEY'
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) +
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('TXNADD', 'TXNUPD', 'TXNDEL')
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)
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DBEXT = ".db" # File extension to be used for database files
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DBUNDOFN = "undo.db" # File name of 'undo' database
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DBLOCKFN = "lock" # File name of lock file
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DBRECOVFN = "need_recover" # File name of recovery file
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DBLOGNAME = ".Db" # Name of logger
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DBMODE_R = "r" # Read-only access
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DBMODE_W = "w" # Full Reaw/Write access
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DBPAGE = 16384 # Size of the pages used to hold items in the database
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DBMODE = 0666 # Unix mode for database creation
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DBCACHE = 0x4000000 # Size of the shared memory buffer pool
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DBLOCKS = 25000 # Maximum number of locks supported
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DBOBJECTS = 25000 # Maximum number of simultaneously locked objects
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DBUNDO = 1000 # Maximum size of undo buffer
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import config
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if config.get('preferences.use-bsddb3'):
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from bsddb3.db import DB_CREATE, DB_AUTO_COMMIT, DB_DUP, DB_DUPSORT, DB_RDONLY
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else:
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from bsddb.db import DB_CREATE, DB_AUTO_COMMIT, DB_DUP, DB_DUPSORT, DB_RDONLY
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DBFLAGS_O = DB_CREATE | DB_AUTO_COMMIT # Default flags for database open
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DBFLAGS_R = DB_RDONLY # Flags to open a database read-only
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DBFLAGS_D = DB_DUP | DB_DUPSORT # Default flags for duplicate keys
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PERSON_KEY = 0
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FAMILY_KEY = 1
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SOURCE_KEY = 2
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EVENT_KEY = 3
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MEDIA_KEY = 4
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PLACE_KEY = 5
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REPOSITORY_KEY = 6
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REFERENCE_KEY = 7
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NOTE_KEY = 8
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TAG_KEY = 9
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TXNADD, TXNUPD, TXNDEL = 0, 1, 2
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