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R3600/invenio/modules/formatter/upgrades/formatter_2014_08_25_add_bibfmt_kind.py
04b68182fe32maint-2.1

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formatter_2014_08_25_add_bibfmt_kind.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2014 CERN.
#
# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# Invenio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
import warnings
import sqlalchemy as sa
from sqlalchemy.dialects import mysql
from invenio.modules.upgrader.api import op
from sqlalchemy.exc import OperationalError
depends_on = ['formatter_2014_08_01_recjson']
def info():
return "Adds new column 'kind' to bibfmt and allows null for format.last_updated."
def do_upgrade():
"""Implement your upgrades here."""
try:
op.add_column(
'bibfmt',
sa.Column(
'kind',
sa.String(length=10),
server_default='',
nullable=False
)
)
except OperationalError:
warnings.warn("*** Problem adding column bibfmt.kind. Does it already exist? ***")
op.alter_column(
'format',
'last_updated',
existing_type=mysql.DATETIME(),
nullable=True,
existing_server_default='0000-00-00 00:00:00'
)
def estimate():
"""Estimate running time of upgrade in seconds (optional)."""
return 1
def pre_upgrade():
"""Run pre-upgrade checks (optional)."""
pass
def post_upgrade():
"""Run post-upgrade checks (optional)."""
pass
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