se adiciona namespaces a invoice

FossilOrigin-Name: caf85d4a30e7945ca2a6fc3a9430855fa8623442b1a30ae824f742e2a93e2956

facho/model/fields/field.py

@@ -1,3 +1,5 @@
+import warnings
+
 class Field:
     def __set_name__(self, owner, name, virtual=False):
         self.name = name
@@ -17,8 +19,10 @@ class Field:
         if name is None:
             return
 
-        if name not in namespaces:
-            raise KeyError("namespace %s not found" % (name))
+        #TODO(bit4bit) aunque las pruebas confirmar
+        #que si se escribe el namespace que es
+        #no ahi confirmacion de declaracion previa del namespace
+
         inst._namespace_prefix = name
 
     def _call(self, inst, method, *args):
@@ -27,7 +31,7 @@ class Field:
         if callable(call):
             return call(*args)
 
-    def _create_model(self, inst, name=None, model=None, attribute=None):
+    def _create_model(self, inst, name=None, model=None, attribute=None, namespace=None):
         try:
             return inst._fields[self.name]
         except KeyError:
@@ -37,7 +41,11 @@ class Field:
                 obj = self.model()
             if name is not None:
                 obj.__name__ = name
-            self._set_namespace(obj, self.namespace, inst.__namespace__)
+
+            if namespace:
+                self._set_namespace(obj, namespace, inst.__namespace__)
+            else:
+                self._set_namespace(obj, self.namespace, inst.__namespace__)
 
             if attribute:
                 inst._fields[attribute] = obj