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Source code for galaxy.model.migrate.versions.0102_add_tool_dependency_status_columns

"""
Migration script to add status and error_message columns to the tool_dependency table and drop the uninstalled column from the tool_dependency table.
"""

import logging

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

from galaxy.model.custom_types import TrimmedString
from galaxy.model.migrate.versions.util import (
    add_column,
    drop_column
)

log = logging.getLogger(__name__)
metadata = MetaData()


[docs]def upgrade(migrate_engine): print(__doc__) metadata.bind = migrate_engine metadata.reflect() ToolDependency_table = Table("tool_dependency", metadata, autoload=True) if migrate_engine.name == 'sqlite': col = Column("status", TrimmedString(255)) else: col = Column("status", TrimmedString(255), nullable=False) add_column(col, ToolDependency_table, metadata) col = Column("error_message", TEXT) add_column(col, ToolDependency_table, metadata) # SQLAlchemy Migrate has a bug when dropping a boolean column in SQLite # TODO move to alembic. if migrate_engine.name != 'sqlite': drop_column('uninstalled', ToolDependency_table)
[docs]def downgrade(migrate_engine): metadata.bind = migrate_engine metadata.reflect() ToolDependency_table = Table("tool_dependency", metadata, autoload=True) if migrate_engine.name != 'sqlite': col = Column("uninstalled", Boolean, default=False) add_column(col, ToolDependency_table, metadata) drop_column('error_message', ToolDependency_table) drop_column('status', ToolDependency_table)