103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2006 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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Provides the GRAMPS DB interface for supporting in-memory editing
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of GRAMPS XML format.
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"""
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import logging
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log = logging.getLogger(".GrampsDb")
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from RelLib import *
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from _GrampsInMemDB import *
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from _GrampsDbExceptions import GrampsDbException
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from _DbUtils import db_copy
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#-------------------------------------------------------------------------
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#
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# GrampsXMLDB
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#
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#-------------------------------------------------------------------------
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class GrampsXMLDB(GrampsInMemDB):
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"""GRAMPS database object. This object is a base class for other
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objects."""
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def __init__(self, use_txn = True):
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"""creates a new GrampsDB"""
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GrampsInMemDB.__init__(self)
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self.bookmarks = GrampsDbBookmarks()
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def load(self, name, callback, mode="w"):
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if self.db_is_open:
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self.close()
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GrampsInMemDB.load(self, name, callback, mode)
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self.id_trans = {}
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try:
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from GrampsDbUtils._ReadXML import importData
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except:
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log.warning("Failed to load XML reader", exc_info=True)
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raise GrampsDbException("Failed to load XML reader")
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try:
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importData(self, name, callback, use_trans=False)
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except OSError, IOError:
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return 1
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self.bookmarks.set(self.metadata.get('bookmarks',[]))
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self.db_is_open = True
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return 1
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def load_from(self, other_database, filename, callback):
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self.id_trans = {}
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db_copy(other_database,self,callback)
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GrampsInMemDB.load(self,filename,callback)
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self.bookmarks.set(self.metadata.get('bookmarks',[]))
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self.db_is_open = True
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try:
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from GrampsDbUtils._WriteXML import quick_write
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except:
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log.warning("Failed to load XML writer", exc_info=True)
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raise GrampsDbException("Failed to load XML writer")
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quick_write(self,self.full_name,callback)
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return 1
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def close(self):
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if not self.db_is_open:
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return
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try:
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from GrampsDbUtils._WriteXML import quick_write
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except:
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log.warning("Failed to load XML writer", exc_info=True)
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raise GrampsDbException("Failed to load XML writer")
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if not self.readonly and len(self.undodb) > 0:
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quick_write(self,self.full_name)
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self.db_is_open = False
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GrampsInMemDB.close(self)
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