"""versioning_passwords

Revision ID: 1b6d7dc5600a

Revises: 3b441ef4e928

Create Date: 2016-01-13 07:57:23.465676

"""

# revision identifiers, used by Alembic.

revision = '1b6d7dc5600a'

down_revision = '3b441ef4e928'

from alembic import op

import sqlalchemy as sa

import sqlalchemy.orm

from pagure.lib import model

def upgrade():

    engine = op.get_bind().engine

    session = sa.orm.scoped_session(sa.orm.sessionmaker(bind=engine))

    session.query(model.User).update(

        {model.User.password: '$1$' + model.User.password}, synchronize_session=False)

    session.commit()

def downgrade():

    raise ValueError("Password can not be downgraded")