Update demo

demo.py

@@ -1,5 +1,5 @@
 #!/bin/env python
-#-*- coding: utf-8 -*-
+# coding=utf-8
 
 """
 Demo script. Run:
@@ -9,13 +9,13 @@
 
 from __future__ import absolute_import, division, print_function, unicode_literals
 
-import os
 import logging
+import os
 
-logging.basicConfig()
+logging.basicConfig(level=logging.DEBUG)
 
 from django.conf import settings
-from django.conf.urls import patterns, url
+from django.conf.urls import url
 from django.core.wsgi import get_wsgi_application
 from django.utils.timezone import now as tznow
 
@@ -25,41 +25,59 @@
 def rel(*path):
     return os.path.abspath(
         os.path.join(os.path.dirname(__file__), *path)
-    ).replace("\\", "/")
+    ).replace('\\', '/')
 
 
 if not settings.configured:
     settings.configure(
         DEBUG=True,
-        TIMEZONE="UTC",
-        INSTALLED_APPS=["easy_pdf"],
-        TEMPLATE_DIRS=[rel("tests", "templates")],
-        STATIC_ROOT=os.path.abspath(rel("tests", "static")),
+        TIMEZONE='UTC',
+        INSTALLED_APPS=['easy_pdf'],
+        TEMPLATES=[
+            {
+                'BACKEND': 'django.template.backends.django.DjangoTemplates',
+                'DIRS': [rel('tests', 'templates')],
+                'APP_DIRS': True,
+                'OPTIONS': {
+                    'context_processors': [
+                        'django.template.context_processors.debug',
+                        'django.template.context_processors.request',
+                        'django.contrib.auth.context_processors.auth',
+                        'django.contrib.messages.context_processors.messages',
+                    ],
+                },
+            },
+        ],
+        STATIC_ROOT=os.path.abspath(rel('tests', 'static')),
+        STATIC_URL='/static/',
         ROOT_URLCONF=basename,
-        WSGI_APPLICATION="{}.application".format(basename),
+        WSGI_APPLICATION='{}.application'.format(basename),
     )
 
 from easy_pdf.views import PDFTemplateView
 
 
-class HelloPDFView(PDFTemplateView):
-    template_name = "hello.html"
+class DemoPDFView(PDFTemplateView):
+    template_name = 'hello.html'
+
+    base_url = 'file://{}/'.format(settings.STATIC_ROOT)
 
     def get_context_data(self, **kwargs):
-        return super(HelloPDFView, self).get_context_data(
-            pagesize="A4",
-            title="Hi there!",
+        return super(DemoPDFView, self).get_context_data(
+            pagesize='A4',
+            title='Hi there!',
             today=tznow(),
             **kwargs
         )
 
-urlpatterns = patterns("",
-    url(r"^$", HelloPDFView.as_view())
-)
 
-application = get_wsgi_application()
+urlpatterns = [
+    url(r'^$', DemoPDFView.as_view())
+]
 
+application = get_wsgi_application()
 
-if __name__ == "__main__":
+if __name__ == '__main__':
     from django.core.management import call_command
-    call_command("runserver", "8000")
+
+    call_command('runserver', '0.0.0.0:8000')