allow none for liste_valeur_attribut

apptax/migrations/versions/b250cfcaab64_set_field_liste_valeur_attribut_nullable.py

@@ -0,0 +1,35 @@
+"""set field liste_valeur_attribut nullable
+
+Revision ID: b250cfcaab64
+Revises: 0db13d65cb27
+Create Date: 2024-08-22 14:23:29.831794
+
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "b250cfcaab64"
+down_revision = "0db13d65cb27"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.alter_column(
+        table_name="bib_attributs",
+        column_name="liste_valeur_attribut",
+        nullable=True,
+        schema="taxonomie",
+    )
+
+
+def downgrade():
+    op.alter_column(
+        table_name="bib_attributs",
+        column_name="liste_valeur_attribut",
+        nullable=False,
+        schema="taxonomie",
+    )

apptax/taxonomie/models.py

@@ -85,7 +85,10 @@ class BibAttributs(db.Model):
     id_attribut = db.Column(db.Integer, primary_key=True)
     nom_attribut = db.Column(db.Unicode, nullable=False)
     label_attribut = db.Column(db.Unicode, nullable=False)
-    liste_valeur_attribut = db.Column(db.Text, nullable=True)
+    # TODO : fix in next flask-admin release -> liste_valeur_attribut is set with Unicode and
+    # not Text because Text field convert None to empty string
+    # https://github.com/pallets-eco/flask-admin/pull/2321
+    liste_valeur_attribut = db.Column(db.Unicode, nullable=True)
     obligatoire = db.Column(db.BOOLEAN, nullable=True, server_default=FetchedValue())
     desc_attribut = db.Column(db.Text)
     type_attribut = db.Column(db.Unicode)