Add status for Corpus model

app/models.py

@@ -436,6 +436,7 @@ class Corpus(db.Model):
     description = db.Column(db.String(255))
     title = db.Column(db.String(32))
     user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
+    status = db.Column(db.String(16))
     # Relationships
     files = db.relationship('CorpusFile',
                             backref='corpus',

migrations/versions/1210adfe1e34_.py

+"""empty message
+
+Revision ID: 1210adfe1e34
+Revises: abf60427ff84
+Create Date: 2019-11-04 12:54:39.389263
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '1210adfe1e34'
+down_revision = 'abf60427ff84'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('corpora', sa.Column('status', sa.String(length=16), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('corpora', 'status')
+    # ### end Alembic commands ###