Fix #2088 (#2106)

* Corrige erro na exclusão de dispositivo base inicial

* Fix #2088

sapl/compilacao/models.py

@@ -69,8 +69,15 @@ class BaseModel(models.Model):
 
     def save(self, force_insert=False, force_update=False, using=None,
              update_fields=None, clean=True):
-        if clean:
+        # método clean não pode ser chamado no caso do save que está sendo
+        # executado é o save de revision_pre_delete_signal
+        import inspect
+        funcs = list(filter(lambda x: x == 'revision_pre_delete_signal',
+                            map(lambda x: x[3], inspect.stack())))
+
+        if clean and not funcs:
             self.clean()
+
         return models.Model.save(
             self,
             force_insert=force_insert,

sapl/compilacao/views.py

@@ -15,7 +15,7 @@ from django.db import connection, transaction
 from django.db.models import Q
 from django.db.utils import IntegrityError
 from django.http.response import (HttpResponse, HttpResponseRedirect,
-                                  JsonResponse)
+                                  JsonResponse, Http404)
 from django.shortcuts import get_object_or_404, redirect
 from django.utils.dateparse import parse_date
 from django.utils.encoding import force_text
@@ -51,7 +51,6 @@ from sapl.compilacao.utils import (DISPOSITIVO_SELECT_RELATED,
 from sapl.crud.base import Crud, CrudAux, CrudListView, make_pagination
 from sapl.settings import BASE_DIR
 
-
 TipoNotaCrud = CrudAux.build(TipoNota, 'tipo_nota')
 TipoVideCrud = CrudAux.build(TipoVide, 'tipo_vide')
 TipoPublicacaoCrud = CrudAux.build(TipoPublicacao, 'tipo_publicacao')
@@ -211,8 +210,12 @@ class CompMixin(PermissionRequiredMixin):
 
     @property
     def ta(self):
+        try:
             ta = TextoArticulado.objects.get(
                 pk=self.kwargs.get('ta_id', self.kwargs.get('pk', 0)))
+        except TextoArticulado.DoesNotExist:
+            raise Http404()
+
         return ta
 
     def get_context_data(self, **kwargs):
@@ -1480,12 +1483,18 @@ class ActionDeleteDispositivoMixin(ActionsCommonsMixin):
         ).first()
 
         data = {}
-        if base_anterior:
-            data = self.get_json_for_refresh(base_anterior)
-        else:
+        if not base_anterior or base == base.get_raiz():
             base_anterior = base.get_nivel_zero_anterior()
+            if not base_anterior:
+                base_anterior = base
         data = self.get_json_for_refresh(base_anterior)
 
+        if base == base_anterior:
+            data['pk'] = base.pk
+            self.set_message(data, 'danger', _(
+                'Base Inicial não pode ser removida!'), modal=True)
+        else:
+            if base != base.get_raiz():
                 data['pai'] = [base.get_raiz().pk]
 
             if ta_base.id != int(self.kwargs['ta_id']):

sapl/rules/apps.py

@@ -1,15 +1,15 @@
 from builtins import LookupError
 
 import django
-import reversion
 from django.apps import apps
 from django.contrib.auth import get_user_model
 from django.contrib.auth.management import _get_all_permissions
 from django.core import exceptions
 from django.db import models, router
 from django.db.utils import DEFAULT_DB_ALIAS
-from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import string_concat
+from django.utils.translation import ugettext_lazy as _
+import reversion
 
 from sapl.rules import (SAPL_GROUP_ADMINISTRATIVO, SAPL_GROUP_COMISSOES,
                         SAPL_GROUP_GERAL, SAPL_GROUP_MATERIA, SAPL_GROUP_NORMA,