cli (call): `tui` output implementation: - Moved original UI to a separated class, and use if with the `simple` output - By default, best output is automatically selected. For now `gui` is selected if possible, and `simple` is used as fallback. - The new `tui` output can be used to have the videos directly embedded in the terminal, either with real videos for compatible terminal emulators, or with Unicode blocks. - Text contrôls are used for both `simple` and `tui` outputs - several options can be used with `--oo` (will be documented in next commit). rel 428

"""${message}

Revision ID: ${up_revision}
Revises: ${down_revision | comma,n}
Create Date: ${create_date}

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

# revision identifiers, used by Alembic.
revision = ${repr(up_revision)}
down_revision = ${repr(down_revision)}
branch_labels = ${repr(branch_labels)}
depends_on = ${repr(depends_on)}


def upgrade():
    ${upgrades if upgrades else "pass"}


def downgrade():
    ${downgrades if downgrades else "pass"}