Contraint champs formsemestre non nulls

app/models/formsemestre.py

@@ -56,9 +56,9 @@ class FormSemestre(db.Model):
     dept_id = db.Column(db.Integer, db.ForeignKey("departement.id"), index=True)
     formation_id = db.Column(db.Integer, db.ForeignKey("notes_formations.id"))
     semestre_id = db.Column(db.Integer, nullable=False, default=1, server_default="1")
-    titre = db.Column(db.Text())
-    date_debut = db.Column(db.Date())
-    date_fin = db.Column(db.Date())
+    titre = db.Column(db.Text(), nullable=False)
+    date_debut = db.Column(db.Date(), nullable=False)
+    date_fin = db.Column(db.Date(), nullable=False)
     etat = db.Column(
         db.Boolean(), nullable=False, default=True, server_default="true"
     )  # False si verrouillé
@@ -87,7 +87,10 @@ class FormSemestre(db.Model):
     )
     # couleur fond bulletins HTML:
     bul_bgcolor = db.Column(
-        db.String(SHORT_STR_LEN), default="white", server_default="white"
+        db.String(SHORT_STR_LEN),
+        default="white",
+        server_default="white",
+        nullable=False,
     )
     # autorise resp. a modifier semestre:
     resp_can_edit = db.Column(

migrations/versions/554c13cea377_formsemestre_not_nulls.py

+"""formsemestre_not_nulls
+
+Revision ID: 554c13cea377
+Revises: 3c12f5850cff
+Create Date: 2023-01-09 08:02:53.637488
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "554c13cea377"
+down_revision = "3c12f5850cff"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    #
+    op.execute("UPDATE notes_formsemestre SET titre = '' WHERE titre is NULL;")
+    op.alter_column(
+        "notes_formsemestre", "titre", existing_type=sa.TEXT(), nullable=False
+    )
+    op.execute(
+        "UPDATE notes_formsemestre SET date_debut = now() WHERE date_debut is NULL;"
+    )
+    op.alter_column(
+        "notes_formsemestre", "date_debut", existing_type=sa.DATE(), nullable=False
+    )
+    op.execute("UPDATE notes_formsemestre SET date_fin = now() WHERE date_fin is NULL;")
+    op.alter_column(
+        "notes_formsemestre", "date_fin", existing_type=sa.DATE(), nullable=False
+    )
+    op.execute(
+        "UPDATE notes_formsemestre SET bul_bgcolor = 'white' WHERE bul_bgcolor is NULL;"
+    )
+    op.alter_column(
+        "notes_formsemestre",
+        "bul_bgcolor",
+        existing_type=sa.VARCHAR(length=32),
+        nullable=False,
+        existing_server_default=sa.text("'white'::character varying"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column(
+        "notes_formsemestre",
+        "bul_bgcolor",
+        existing_type=sa.VARCHAR(length=32),
+        nullable=True,
+        existing_server_default=sa.text("'white'::character varying"),
+    )
+    op.alter_column(
+        "notes_formsemestre", "date_fin", existing_type=sa.DATE(), nullable=True
+    )
+    op.alter_column(
+        "notes_formsemestre", "date_debut", existing_type=sa.DATE(), nullable=True
+    )
+    op.alter_column(
+        "notes_formsemestre", "titre", existing_type=sa.TEXT(), nullable=True
+    )
+    # ### end Alembic commands ###