URLs: Remove development URLs from main URL file

Move the development URL definitions for Rosetta and Debug toolbar
to a separate URL file. Convert the single urls.py to a module to
allow multiple URL files to be used.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/settings/development.py

@@ -19,6 +19,8 @@ if 'django_extensions' not in INSTALLED_APPS:
         'django_extensions',
     )
 
+ROOT_URLCONF = 'mayan.urls.development'
+
 TEMPLATES[0]['OPTIONS']['loaders'] = (
     'django.template.loaders.filesystem.Loader',
     'django.template.loaders.app_directories.Loader',

mayan/urls/__init__.py

@@ -0,0 +1,3 @@
+from __future__ import unicode_literals
+
+from .base import *  # NOQA

mayan/urls/base.py

@@ -1,7 +1,6 @@
 from __future__ import unicode_literals
 
-from django.conf import settings
-from django.conf.urls import include, url
+from django.conf.urls import url
 from django.contrib import admin
 
 from drf_yasg.views import get_schema_view
@@ -23,18 +22,3 @@ urlpatterns = [
     url(r'^swagger/$', schema_view.with_ui('swagger', cache_timeout=None), name='schema-swagger-ui'),
     url(r'^redoc/$', schema_view.with_ui('redoc', cache_timeout=None), name='schema-redoc'),
 ]
-
-if settings.DEBUG:
-    from django.conf.urls.static import static
-    urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
-
-    if 'rosetta' in settings.INSTALLED_APPS:
-        urlpatterns += [
-            url(r'^rosetta/', include('rosetta.urls'), name='rosetta')
-        ]
-
-    if 'debug_toolbar' in settings.INSTALLED_APPS:
-        import debug_toolbar
-        urlpatterns += [
-            url(r'^__debug__/', include(debug_toolbar.urls))
-        ]

mayan/urls/development.py

@@ -0,0 +1,26 @@
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.conf.urls import include, url
+
+from .base import *  # NOQA
+
+if 'rosetta' in settings.INSTALLED_APPS:
+    try:
+        import rosetta  # NOQA
+    except ImportError:
+        pass
+    else:
+        urlpatterns += [  # NOQA
+            url(r'^rosetta/', include('rosetta.urls'), name='rosetta')
+        ]
+
+if 'debug_toolbar' in settings.INSTALLED_APPS:
+    try:
+        import debug_toolbar
+    except ImportError:
+        pass
+    else:
+        urlpatterns += [  # NOQA
+            url(r'^__debug__/', include(debug_toolbar.urls))
+        ]