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Fix db to warn/prevent opening newer schema versions (#945)

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Paul Culley 2020-01-09 11:38:16 -06:00 committed by GitHub
parent e6ed0612e3
commit c30dfc6343
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1 changed files with 7 additions and 0 deletions
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7
gramps/gen/db/generic.py
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@ -47,6 +47,7 @@ from . import (DbReadBase, DbWriteBase, DbUndo, DBLOGNAME, DBUNDOFN,
REPOSITORY_KEY, NOTE_KEY, TAG_KEY, TXNADD, TXNUPD, TXNDEL,
KEY_TO_NAME_MAP, DBMODE_R, DBMODE_W)
from .utils import write_lock_file, clear_lock_file
from .exceptions import DbVersionError
from ..errors import HandleError
from ..utils.callback import Callback
from ..updatecallback import UpdateCallback
@ -659,6 +660,12 @@ class DbGeneric(DbWriteBase, DbReadBase, UpdateCallback, Callback):
self.db_is_open = True
# Check on db version to see if too new
dbversion = int(self._get_metadata('version', default='0'))
if dbversion > self.VERSION[0]:
self.close()
raise DbVersionError(dbversion, 18, self.VERSION[0])
def _close(self):
"""
Close database backend.