debian: use python-xstatic-select2 instead of Select2 from cloudware CDN

debian/control

@@ -8,6 +8,6 @@ X-Python-Version: >= 2.7
 
 Package: python-django-select2
 Architecture: all
-Depends: ${misc:Depends}, ${python:Depends}, python-django-appconf
+Depends: ${misc:Depends}, ${python:Depends}, python-django-appconf, python-xstatic-select2, python-gadjo
 Description: Select2 option fields for Django
  The app includes Select2 driven Django Widgets and Form Fields.

debian/patches/01_use_xstatic_select2.diff

@@ -0,0 +1,44 @@
+Index: django-select2/django_select2/conf.py
+===================================================================
+--- django-select2.orig/django_select2/conf.py
++++ django-select2/django_select2/conf.py
+@@ -5,6 +5,8 @@ from __future__ import absolute_import,
+ from appconf import AppConf
+ from django.conf import settings  # NOQA
+ 
++from gadjo.templatetags.gadjo import xstatic
++
+ __all__ = ('settings', 'Select2Conf')
+ 
+ 
+@@ -48,7 +50,7 @@ class Select2Conf(AppConf):
+     It has set `select2_` as a default value, which you can change if needed.
+     """
+ 
+-    JS = '//cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.min.js'
++    JS = xstatic('select2', 'select2.min.js')
+     """
+     The URI for the Select2 JS file. By default this points to the Cloudflare CDN.
+ 
+@@ -61,7 +63,7 @@ class Select2Conf(AppConf):
+         develop without an Internet connection.
+     """
+ 
+-    CSS = '//cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/css/select2.min.css'
++    CSS = xstatic('select2', 'select2.min.css')
+     """
+     The URI for the Select2 CSS file. By default this points to the Cloudflare CDN.
+ 
+Index: django-select2/setup.py
+===================================================================
+--- django-select2.orig/setup.py
++++ django-select2/setup.py
+@@ -49,6 +49,8 @@ setup(
+     ],
+     install_requires=[
+         'django-appconf>=0.6.0',
++        'XStatic-Select2',
++        'gadjo',
+     ],
+     zip_safe=False,
+ )

debian/patches/series

@@ -0,0 +1 @@
+01_use_xstatic_select2.diff