scripts: populate warehouse_slug visualization parameter (#38596)

debian/bijoe.docs

@@ -1,3 +1,4 @@
 COPYING
 README.rst
 debian/nginx-example.conf
+debian/scripts/warehouse_slug.py

debian/scripts/warehouse_slug.py

@@ -0,0 +1,20 @@
+"""
+In order to allow for import/export between instances, warehouses are now
+retrieved by slug and not by name.
+This new information is available in the model files, but for existing
+visualizations it should be manually added, using this script.
+For a standard multitenants install, it can be ran using the command :
+sudo -u bijoe bijoe-manage tenant_command runscript --all-tenants /usr/share/doc/bijoe/warehouse_slug.py
+"""
+
+from bijoe.utils import get_warehouses
+from bijoe.visualization.models import Visualization
+
+
+warehouses = get_warehouses()
+for visu in Visualization.objects.all():
+    for warehouse in warehouses:
+        if warehouse.name == visu.parameters['warehouse']:
+            visu.parameters['warehouse_slug'] = warehouse.slug
+            visu.save()
+            break