Warning

This document is for an old release of Galaxy. You can alternatively view this page in the latest release if it exists or view the top of the latest release's documentation.

Source code for tool_shed.webapp.model.migrate.versions.0006_add_email_alerts_column

"""
Migration script to add the email_alerts column to the repository table.
"""

import logging
import sys

from sqlalchemy import (
    Column,
    MetaData,
    Table,
)

# Need our custom types, but don't import anything else from model
from galaxy.model.custom_types import JSONType

log = logging.getLogger(__name__)
log.setLevel(logging.DEBUG)
handler = logging.StreamHandler(sys.stdout)
format = "%(name)s %(levelname)s %(asctime)s %(message)s"
formatter = logging.Formatter(format)
handler.setFormatter(formatter)
log.addHandler(handler)

metadata = MetaData()


def upgrade(migrate_engine):
    print(__doc__)
    metadata.bind = migrate_engine
    metadata.reflect()
    # Create and initialize imported column in job table.
    Repository_table = Table("repository", metadata, autoload=True)
    c = Column("email_alerts", JSONType, nullable=True)
    try:
        # Create
        c.create(Repository_table)
        assert c is Repository_table.c.email_alerts
    except Exception:
        log.exception("Adding email_alerts column to the repository table failed.")


def downgrade(migrate_engine):
    metadata.bind = migrate_engine
    metadata.reflect()
    # Drop email_alerts column from repository table.
    Repository_table = Table("repository", metadata, autoload=True)
    try:
        Repository_table.c.email_alerts.drop()
    except Exception:
        log.exception("Dropping column email_alerts from the repository table failed.")