"""Update AuthCache.authentication to VARCHAR(255) to accommodate argon2 hashes.

Revision ID: 8d40dbcfda25
Revises: 140ba0ca4f07
Create Date: 2020-11-02 17:57:12.493515

"""

# revision identifiers, used by Alembic.
revision = "8d40dbcfda25"
down_revision = "140ba0ca4f07"

import sqlalchemy as sa
from alembic import op


def upgrade():
    try:
        # ### commands auto generated by Alembic - please adjust! ###
        op.alter_column(
            "authcache",
            "authentication",
            existing_type=sa.Unicode(length=64),
            type_=sa.Unicode(length=255),
            existing_nullable=True,
        )
        # ### end Alembic commands ###
    except Exception as exx:
        print('Modifying of authcache column "authentication" failed: {!r}'.format(exx))
        print("This is expected behavior if the columns have already been modified.")


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column(
        "authcache",
        "authentication",
        existing_type=sa.Unicode(length=255),
        type_=sa.Unicode(length=64),
        existing_nullable=True,
    )
    # ### end Alembic commands ###
