Inicia crud master detail com urls

crud/base.py

@@ -104,6 +104,10 @@ class BaseMixin(CrispyLayoutFormMixin):
 
 class CrudListView(ListView):
 
+    @classmethod
+    def get_url_regex(cls):
+        return r'^$'
+
     paginate_by = 10
     no_entries_msg = _('Nenhum registro encontrado.')
 
@@ -142,6 +146,10 @@ class CrudListView(ListView):
 
 class CrudCreateView(FormMessagesMixin, CreateView):
 
+    @classmethod
+    def get_url_regex(cls):
+        return r'^create$'
+
     form_valid_message, form_invalid_message = FORM_MESSAGES[CREATE]
 
     @property
@@ -157,8 +165,19 @@ class CrudCreateView(FormMessagesMixin, CreateView):
         return super(CrudCreateView, self).get_context_data(**kwargs)
 
 
+class CrudDetailView(DetailView):
+
+    @classmethod
+    def get_url_regex(cls):
+        return r'^(?P<pk>\d+)$'
+
+
 class CrudUpdateView(FormMessagesMixin, UpdateView):
 
+    @classmethod
+    def get_url_regex(cls):
+        return r'^(?P<pk>\d+)/edit$'
+
     form_valid_message, form_invalid_message = FORM_MESSAGES[UPDATE]
 
     @property
@@ -171,6 +190,10 @@ class CrudUpdateView(FormMessagesMixin, UpdateView):
 
 class CrudDeleteView(FormMessagesMixin, DeleteView):
 
+    @classmethod
+    def get_url_regex(cls):
+        return r'^(?P<pk>\d+)/delete$'
+
     form_valid_message, form_invalid_message = FORM_MESSAGES[DELETE]
 
     @property
@@ -185,7 +208,7 @@ class Crud:
     BaseMixin = BaseMixin
     ListView = CrudListView
     CreateView = CrudCreateView
-    DetailView = DetailView
+    DetailView = CrudDetailView
     UpdateView = CrudUpdateView
     DeleteView = CrudDeleteView
     help_path = ''
@@ -208,11 +231,12 @@ class Crud:
 
         return [url(regex, view.as_view(), name=view.url_name(suffix))
                 for regex, view, suffix in [
-                    (r'^$', CrudListView, LIST),
+                    (CrudListView.get_url_regex(), CrudListView, LIST),
-                    (r'^create$', CrudCreateView, CREATE),
+                    (CrudCreateView.get_url_regex(), CrudCreateView, CREATE),
-                    (r'^(?P<pk>\d+)$', CrudDetailView, DETAIL),
+                    (CrudDetailView.get_url_regex(), CrudDetailView, DETAIL),
-                    (r'^(?P<pk>\d+)/edit$', CrudUpdateView, UPDATE),
+                    (CrudUpdateView.get_url_regex(), CrudUpdateView, UPDATE),
-                    (r'^(?P<pk>\d+)/delete$', CrudDeleteView, DELETE), ]]
+                    (CrudDeleteView.get_url_regex(), CrudDeleteView, DELETE),
+        ]]
 
     @classonlymethod
     def build(cls, _model, _help_path):

crud/masterdetail.py

@@ -0,0 +1,35 @@
+from .base import (Crud, CrudCreateView, CrudDeleteView, CrudDetailView,
+                   CrudListView, CrudUpdateView)
+
+
+class MasterDetailCrud(Crud):
+
+    class ListView(CrudListView):
+
+        @classmethod
+        def get_url_regex(cls):
+            return r'^(?P<pk>\d+)/%s$' % cls.model._meta.model_name
+
+    class CreateView(CrudCreateView):
+
+        @classmethod
+        def get_url_regex(cls):
+            return r'^(?P<pk>\d+)/%s/create$' % cls.model._meta.model_name
+
+    class DetailView(CrudDetailView):
+
+        @classmethod
+        def get_url_regex(cls):
+            return r'^%s/(?P<pk>\d+)$' % cls.model._meta.model_name
+
+    class UpdateView(CrudUpdateView):
+
+        @classmethod
+        def get_url_regex(cls):
+            return r'^%s/(?P<pk>\d+)/edit$' % cls.model._meta.model_name
+
+    class DeleteView(CrudDeleteView):
+
+        @classmethod
+        def get_url_regex(cls):
+            return r'^%s/(?P<pk>\d+)/delete$' % cls.model._meta.model_name

crud/tests/stub_app/models.py

@@ -21,3 +21,8 @@ class Country(models.Model):
 
     def __str__(self):
         return self.name
+
+
+class City(models.Model):
+    name = models.CharField(max_length=50)
+    country = models.ForeignKey(Country)

crud/tests/stub_app/urls.py

@@ -1,7 +1,8 @@
 from django.conf.urls import include, url
 
-from .views import CountryCrud
+from .views import CityCrud, CountryCrud
 
 urlpatterns = [
-    url(r'^country/', include(CountryCrud.get_urls(), 'stub_app')),
+    url(r'^country/', include(
+        CountryCrud.get_urls() + CityCrud.get_urls(), 'stub_app')),
 ]

crud/tests/stub_app/views.py

@@ -1,6 +1,7 @@
 from crud.base import Crud, CrudListView
+from crud.masterdetail import MasterDetailCrud
 
-from .models import Country
+from .models import City, Country
 
 
 class CountryCrud(Crud):
@@ -9,3 +10,8 @@ class CountryCrud(Crud):
 
     class ListView(CrudListView):
         paginate_by = 10
+
+
+class CityCrud(MasterDetailCrud):
+    model = City
+    help_path = 'help_path',

crud/tests/test_masterdetail.py

@@ -0,0 +1,14 @@
+import pytest
+from django.core.urlresolvers import reverse
+
+
+@pytest.mark.parametrize('path_name', [
+    '/country/1/city         stub_app:city_list',
+    '/country/1/city/create  stub_app:city_create',
+    '/country/city/1         stub_app:city_detail',
+    '/country/city/1/edit    stub_app:city_update',
+    '/country/city/1/delete  stub_app:city_delete',
+])
+def test_reverse(path_name):
+    path, name = path_name.split()
+    assert path == reverse(name, args=(1,))