Add tipos de display a listagem do crud

sapl/crispy_layout_mixin.py

@@ -1,12 +1,12 @@
 from math import ceil
 
-import rtyaml
 from crispy_forms.bootstrap import FormActions
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import HTML, Div, Fieldset, Layout, Submit
 from django import template
 from django.utils import formats
 from django.utils.translation import ugettext as _
+import rtyaml
 
 
 def heads_and_tails(list_of_lists):
@@ -50,8 +50,9 @@ class SaplFormLayout(Layout):
 
 def get_field_display(obj, fieldname):
     field = obj._meta.get_field(fieldname)
-    verbose_name = str(field.verbose_name)
-    if field.choices:
+    verbose_name = str(field.verbose_name)\
+        if hasattr(field, 'verbose_name') else ''
+    if hasattr(field, 'choices') and field.choices:
         value = getattr(obj, 'get_%s_display' % fieldname)()
     else:
         value = getattr(obj, fieldname)
@@ -74,6 +75,14 @@ def get_field_display(obj, fieldname):
                 value.name.split('/')[-1:][0])
         else:
             display = ''
+    elif 'ManyRelatedManager' in str(type(value))\
+            or 'RelatedManager' in str(type(value)):
+        display = '<ul>'
+        for v in value.all():
+            display += '<li>%s</li>' % str(v)
+        display += '</ul>'
+        if not verbose_name:
+            verbose_name = str(field.related_model._meta.verbose_name_plural)
     else:
         display = str(value)
     return verbose_name, display