misc/migration/3.15.0_common.py
author Julien Cristau <julien.cristau@logilab.fr>
Wed, 15 Jan 2014 18:19:52 +0100
changeset 9409 2f684e538174
parent 8410 eb6a607a0067
permissions -rw-r--r--
[migration/3.18] Idempotency fixes Try to make partially-upgraded instances migrate properly.

import ConfigParser
try:
    undo_actions = config.cfgfile_parser.get('MAIN', 'undo-support', False)
except ConfigParser.NoOptionError:
    pass # this conf. file was probably already migrated
else:
    config.global_set_option('undo-enabled', bool(undo_actions))