Source code for tool_shed.webapp.model.migrate.versions.0014_add_deprecated_column

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

import logging
import sys

from sqlalchemy import (
    Boolean,
    Column,
    MetaData,
    Table,
)

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()


[docs]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("deprecated", Boolean, default=False) try: # Create c.create(Repository_table) assert c is Repository_table.c.deprecated # Initialize. if migrate_engine.name == "mysql" or migrate_engine.name == "sqlite": default_false = "0" elif migrate_engine.name in ["postgresql", "postgres"]: default_false = "false" migrate_engine.execute(f"UPDATE repository SET deprecated={default_false}") except Exception: log.exception("Adding deprecated column to the repository table failed.")
[docs]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.deprecated.drop() except Exception: log.exception("Dropping column deprecated from the repository table failed.")