Inverse values of name if required at creation.

partner_firstname/models.py

@@ -38,6 +38,21 @@ class ResPartner(models.Model):
         required=False,
         store=True)
 
+    @api.model
+    def create(self, vals):
+        """Add inverted names at creation if unavailable."""
+        if "name" in vals:
+            inverted = self._get_inverse_name(
+                vals.get("name"),
+                vals.get("is_company",
+                         self.default_get(["is_company"])["is_company"]))
+
+            for key, value in inverted.iteritems():
+                if not vals.get(key):
+                    vals[key] = value
+
+        return super(ResPartner, self).create(vals)
+
     @api.model
     def default_get(self, fields_list):
         """Invert name when getting default values."""