Restored support to oldest Django versions

README.md

@@ -5,6 +5,7 @@ django-pwa
 [![codecov](https://codecov.io/gh/silviolleite/django-pwa/branch/master/graph/badge.svg)](https://codecov.io/gh/silviolleite/django-pwa) 
 [![PyPI - Downloads](https://img.shields.io/pypi/dm/django-pwa.svg)](https://pypi.org/project/django-pwa/)
 [![PyPI - Downloads](https://img.shields.io/pypi/v/django-pwa.svg)](https://pypi.org/project/django-pwa)
+[![PyPI - Downloads](https://img.shields.io/pypi/djversions/django-pwa.svg)](https://pypi.org/project/django-pwa)
 
 This Django app turns your project into a [progressive web app](https://developers.google.com/web/progressive-web-apps/).  Navigating to your site on an Android phone will prompt you to add the app to your home screen.
 
@@ -67,11 +68,11 @@ All settings are optional, and the app will work fine with its internal defaults
 
 Add the progressive web app URLs to urls.py:
 ```python
-from django.urls import path, include
+from django.urls import url, include
 
 urlpatterns = [
     ...
-    path('', include('pwa.urls')),  # You MUST use an empty string as the URL prefix
+    url('', include('pwa.urls')),  # You MUST use an empty string as the URL prefix
     ...
 ]
 ```
@@ -172,7 +173,7 @@ Adding Your Own Service Worker
 To add service worker functionality, you'll want to create a `serviceworker.js` or similarly named template in a template directory, and then point at it using the PWA_SERVICE_WORKER_PATH variable (PWA_APP_FETCH_URL is passed through).
 
 ```python
-PWA_SERVICE_WORKER_PATH = 'my_app/serviceworker.js'
+PWA_SERVICE_WORKER_PATH = os.path.join(BASE_DIR, 'my_app', 'serviceworker.js')
 
 ```
 

pwa/app_settings.py

@@ -3,8 +3,9 @@
 import os
 
 # Path to the service worker implementation.  Default implementation is empty.
-PWA_SERVICE_WORKER_PATH = getattr(settings, 'PWA_SERVICE_WORKER_PATH', 'serviceworker.js')
-
+PWA_SERVICE_WORKER_PATH = getattr(settings, 'PWA_SERVICE_WORKER_PATH',
+                                  os.path.join(os.path.abspath(os.path.dirname(__file__)), 'templates',
+                                               'serviceworker.js'))
 # App parameters to include in manifest.json and appropriate meta tags
 PWA_APP_NAME = getattr(settings, 'PWA_APP_NAME', 'MyApp')
 PWA_APP_DESCRIPTION = getattr(settings, 'PWA_APP_DESCRIPTION', 'My Progressive Web App')

pwa/urls.py

@@ -1,10 +1,10 @@
-from django.urls import path
+from django.conf.urls import url
 
-from .views import Manifest, ServiceWorker, OfflineView
+from .views import manifest, service_worker, offline
 
 # Serve up serviceworker.js and manifest.json at the root
 urlpatterns = [
-    path('serviceworker.js', ServiceWorker.as_view(), name='serviceworker'),
-    path('manifest.json', Manifest.as_view(), name='manifest'),
-    path('offline', OfflineView.as_view(), name='offline')
+    url('^serviceworker.js$', service_worker, name='serviceworker'),
+    url('^manifest.json$', manifest, name='manifest'),
+    url('^offline/$', offline, name='offline')
 ]

pwa/views.py

@@ -1,27 +1,21 @@
-from django.views.generic.base import TemplateView
+from django.http import HttpResponse
+from django.shortcuts import render
 
 from . import app_settings
 
 
-class ServiceWorker(TemplateView):
-    content_type = 'application/javascript'
-    template_name = app_settings.PWA_SERVICE_WORKER_PATH
-
-    def get_context_data(self, **kwargs):
-        kwargs['PWA_APP_FETCH_URL'] = app_settings.PWA_APP_FETCH_URL
-        return super().get_context_data(**kwargs)
+def service_worker(request):
+    response = HttpResponse(open(app_settings.PWA_SERVICE_WORKER_PATH).read(), content_type='application/javascript')
+    return response
 
 
-class Manifest(TemplateView):
-    content_type = 'application/json'
-    template_name = 'manifest.json'
-
-    def get_context_data(self, **kwargs):
-        for setting_name in dir(app_settings):
-            if setting_name.startswith('PWA_'):
-                kwargs[setting_name] = getattr(app_settings, setting_name)
-        return super().get_context_data(**kwargs)
+def manifest(request):
+    return render(request, 'manifest.json', {
+        setting_name: getattr(app_settings, setting_name)
+        for setting_name in dir(app_settings)
+        if setting_name.startswith('PWA_')
+    })
 
 
-class OfflineView(TemplateView):
-    template_name = "offline.html"
+def offline(request):
+    return render(request, "offline.html")

setup.py

@@ -17,12 +17,12 @@
 os.chdir(os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir)))
 
 install_requirements = [
-    "django>=2",
+    "django>=1.8",
 ]
 
 setup(
     name='django-pwa',
-    version='1.0.2',
+    version='1.0.3',
     packages=find_packages(),
     install_requires=install_requirements,
     include_package_data=True,
@@ -35,6 +35,10 @@
     classifiers=[
         'Environment :: Web Environment',
         'Framework :: Django',
+        'Framework :: Django :: 1.8',
+        'Framework :: Django :: 1.9',
+        'Framework :: Django :: 1.10',
+        'Framework :: Django :: 1.11',
         'Framework :: Django :: 2.0',
         'Framework :: Django :: 2.1',
         'Intended Audience :: Developers',

tox.ini

@@ -1,7 +1,6 @@
 [tox]
 envlist =
-    py35-django{20}
-    py35-django{21}
+    py35-django{18,19,110,111,20,21}
     py36-django{20}
     py36-django{21}
     py37-django{20}
@@ -17,6 +16,11 @@ basepython =
     py36: python3.6
     py37: python3.7
 deps =
+    django18: django==1.8
+    django19: django==1.9
+    django110: django==1.10
+    django111: django==1.11
     django20: Django==2.0
     django21: Django==2.1
+
     pypandoc==1.3.3