MemeMeow/alembic/script.py.mako

"""Alembic revision 模板。"""
${message if message else ""}

from alembic import op
import sqlalchemy as sa
${imports if imports else ""}

revision = ${repr(up_revision)}
down_revision = ${repr(down_revision)}
branch_labels = ${repr(branch_labels)}
depends_on = ${repr(depends_on)}


def upgrade() -> None:
    ${upgrades if upgrades else "pass"}


def downgrade() -> None:
    ${downgrades if downgrades else "raise RuntimeError('本项目只允许前向升级')"}