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5368: Loading familytree with downgraded Berkeley db should generate expressive error

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svn: r18467
This commit is contained in:
Michiel Nauta
2011-11-20 09:33:31 +00:00
parent 7240d64278
commit 32b5905aea
4 changed files with 66 additions and 4 deletions
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24
src/gen/db/exceptions.py
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@ -79,6 +79,30 @@ class DbVersionError(Exception):
"Gramps.\nPlease upgrade to the corresponding version or use "
"XML for porting data between different database versions.")
class BsddbDowngradeError(Exception):
"""
Error used to report that the Berkeley database used to create the family
tree is of a version that is too new to be supported by the current version.
"""
def __init__(self, env_version, bdb_version):
Exception.__init__(self)
self.env_version = str(env_version)
self.bdb_version = str(bdb_version)
def __str__(self):
return _('Gramps stores its data in a Berkeley Database. '
'The family tree you try to load was created with version '
'%(env_version)s of the Berkeley DB. However, the Gramps '
'version in use right now employs version %(bdb_version)s '
'of the Berkeley DB. So you are trying to load data created '
'in a newer format into an older program; this is bound to '
'fail. The right approach in this case is to use XML export '
'and import. So try to open the family tree on that computer '
'with that software that created the family tree, export it '
'to XML and load that XML into the version of Gramps you '
'intend to use.') % {'env_version': self.env_version,
'bdb_version': self.bdb_version}
class DbEnvironmentError(Exception):
"""
Error used to report that the database 'environment' could not be opened.