Source code for tool_shed.webapp.model.migrate.versions.0009_add_malicious_column

"""
Migration script to add the malicious column to the repository_metadata 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_metadata_table = Table("repository_metadata", metadata, autoload=True) c = Column("malicious", Boolean, default=False, index=True) try: # Create c.create(Repository_metadata_table, index_name="ix_repository_metadata_malicious") assert c is Repository_metadata_table.c.malicious # 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_metadata SET malicious={default_false}") except Exception: log.exception("Adding malicious column to the repository_metadata table failed.")
[docs]def downgrade(migrate_engine): metadata.bind = migrate_engine metadata.reflect() # Drop malicious column from repository_metadata table. Repository_metadata_table = Table("repository_metadata", metadata, autoload=True) try: Repository_metadata_table.c.malicious.drop() except Exception: log.exception("Dropping column malicious from the repository_metadata table failed.")