Add command to create missing tenant schemas

refs #5106

entrouvert/djommon/multitenant/management/commands/create_schema.py

@@ -0,0 +1,20 @@
+from django.core.management.base import BaseCommand
+from entrouvert.djommon.multitenant.middleware import TenantMiddleware
+from django.db import connection
+
+class Command(BaseCommand):
+    help = "Create schemas"
+
+    def handle(self, *args, **options):
+        verbosity = int(options.get('verbosity'))
+
+        connection.set_schema_to_public()
+        all_tenants = TenantMiddleware.get_tenants()
+        for tenant in all_tenants:
+            if verbosity >= 1:
+                print
+                print self.style.NOTICE("=== Creating schema ") \
+                    + self.style.SQL_TABLE(tenant.schema_name)
+
+            if not tenant.create_schema(check_if_exists=True):
+                print self.style.ERROR(' Nothing to do')