Adding support for newer versions of Python and Django

Author: MiltonLn

.gitignore

@@ -40,4 +40,5 @@ dist/
 build/
 
 # Virtualenv
-venv/
+venv/
+.python-version

.travis.yml

@@ -1,6 +1,8 @@
 language: python
 
 python:
+  - "3.8"
+  - "3.7"
   - "3.6"
   - "3.5"
   - "3.4"

docs/tests.rst

@@ -3,6 +3,11 @@ Running the tests
 
 To run the tests against configured environments:
 
+* Install pyenv and add all of the supported python versions there
+* Add all of the version to your locals `pyenv local system 3.7.9 3.6.12 3.5.10` for example
+* Install the development dependencies in `requirements_dev.txt`
+* Run the tests with tox
+
 ::
 
     tox

menu_generator/utils.py

@@ -32,6 +32,6 @@ def clean_app_config(app_path):
             return new_app
         else:  # pragma: no cover
             raise ImproperlyConfigured(
-                "The application {0} is not in the configured apps or does" +
-                "not have the pattern app.apps.AppConfig".format(app_path)
+                f"The application {app_path} is not in the configured apps or does" +
+                "not have the pattern app.apps.AppConfig"
             )

requirements_dev.txt

@@ -0,0 +1,4 @@
+tox
+tox-pyenv
+coverage
+flake8

setup.py

@@ -25,11 +25,18 @@
     "Programming Language :: Python :: 3.4",
     "Programming Language :: Python :: 3.5",
     "Programming Language :: Python :: 3.6",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
     "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",
+    "Framework :: Django :: 2.2",
+    "Framework :: Django :: 3.0",
+    "Framework :: Django :: 3.1",
     'Topic :: Utilities'
 ]
 

tox.ini

@@ -1,6 +1,11 @@
 # content of: tox.ini , put in same dir as setup.py
 [tox]
-envlist = py34,py35,py36
+envlist =
+    py34-django{18,19,110,111,20,21,22,30,31},
+    py35-django{18,19,110,111,20,21,22,30,31},
+    py36-django{18,19,110,111,20,21,22,30,31},
+    py37-django{18,19,110,111,20,21,22,30,31},
+    py38-django{18,19,110,111,20,21,22,30,31}
 [testenv]
 deps=django
      coverage