Refactor crud build code to a simple function

comissoes/views.py

@@ -1,5 +1,5 @@
 from .forms import ComissaoForm
-from sapl.crud import Crud
+from sapl.crud import build_crud
 
 
-comissao_crud = Crud(ComissaoForm)
+comissao_crud = build_crud(ComissaoForm)

sapl/crud.py

@@ -7,27 +7,25 @@ from django.views.generic import (
 
 
 class Crud(object):
+    pass
 
-    def __init__(self, model_form):
 
-        self.model_form = model_form
-
-        self.model = model_form._meta.model
-
-        # urls names
-        self.namespace = self.model._meta.model_name
+def build_crud(model_form):
+    crud = Crud()
+    crud.model = model_form._meta.model
+    crud.namespace = crud.model._meta.model_name
 
     def in_namespace(url_name):
-            return '%s:%s' % (self.namespace, url_name)
+        return '%s:%s' % (crud.namespace, url_name)
 
     def make_form_invalid_message(msg):
         return '%s %s' % (_('Formulário inválido.'), msg)
 
     class BaseMixin(object):
-            model = self.model
+        model = crud.model
 
-            verbose_name = self.model._meta.verbose_name
-            verbose_name_plural = self.model._meta.verbose_name_plural
+        verbose_name = crud.model._meta.verbose_name
+        verbose_name_plural = crud.model._meta.verbose_name_plural
 
         list_url = reverse_lazy(in_namespace('list'))
         create_url = reverse_lazy(in_namespace('create'))
@@ -89,13 +87,13 @@ class Crud(object):
         def get_success_url(self):
             return self.list_url
 
-        self.CrudListView = CrudListView
-        self.CrudCreateView = CrudCreateView
-        self.CrudDetailView = CrudDetailView
-        self.CrudUpdateView = CrudUpdateView
-        self.CrudDeleteView = CrudDeleteView
+    crud.CrudListView = CrudListView
+    crud.CrudCreateView = CrudCreateView
+    crud.CrudDetailView = CrudDetailView
+    crud.CrudUpdateView = CrudUpdateView
+    crud.CrudDeleteView = CrudDeleteView
 
-        self.urls = [
+    crud.urls = [
         url(r'^$', CrudListView.as_view(), name='list'),
         url(r'^create$', CrudCreateView.as_view(), name='create'),
         url(r'^(?P<pk>\d+)$', CrudDetailView.as_view(), name='detail'),
@@ -103,4 +101,6 @@ class Crud(object):
             CrudUpdateView.as_view(), name='update'),
         url(r'^(?P<pk>\d+)/delete$',
             CrudDeleteView.as_view(), name='delete'),
-        ], self.namespace, self.namespace
+    ], crud.namespace, crud.namespace
+
+    return crud