add migration for new column

ereuse_devicehub/migrations/versions/17288b2a7440_add_uuid.py

@@ -0,0 +1,35 @@
+"""change firewire
+
+Revision ID: 17288b2a7440
+Revises: 8571fb32c912
+Create Date: 2022-03-29 11:49:39.270791
+
+"""
+import sqlalchemy as sa
+from alembic import context, op
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '17288b2a7440'
+down_revision = '8571fb32c912'
+branch_labels = None
+depends_on = None
+
+
+def get_inv():
+    INV = context.get_x_argument(as_dictionary=True).get('inventory')
+    if not INV:
+        raise ValueError("Inventory value is not specified")
+    return INV
+
+
+def upgrade():
+    op.add_column(
+        'computer',
+        sa.Column('uuid', postgresql.UUID(as_uuid=True), nullable=True),
+        schema=f'{get_inv()}',
+    )
+
+
+def downgrade():
+    op.drop_column('computer', 'uuid', schema=f'{get_inv()}')