removed python 3.6 and django 2.2 and 3.1 support

Author: g-as

.github/workflows/python-package.yml

@@ -15,11 +15,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9"]
-        django-version: ["2.2", "3.1", "3.2", "4.0"]
+        python-version: ["3.8", "3.9", "3.10"]
+        django-version: ["3.2", "4.0"]
         include:
-        - python-version: "3.10"
-          django-version: "4.0"
+        - python-version: "3.7"
+          django-version: "3.2"
 
     steps:
     - uses: actions/checkout@v2

.pre-commit-config.yaml

@@ -40,7 +40,7 @@ repos:
     rev: 1.4.0
     hooks:
       - id: django-upgrade
-        args: [--target-version, "2.2"]
+        args: [--target-version, "3.2"]
 
   - repo: https://github.com/pycqa/flake8
     rev: 4.0.1

djangosaml2/utils.py

@@ -22,14 +22,10 @@
 from django.core.exceptions import ImproperlyConfigured
 from django.http import HttpResponse, HttpResponseRedirect
 from django.shortcuts import resolve_url
-from saml2.mdstore import MetaDataMDX
-
-try:
-    from django.utils.http import url_has_allowed_host_and_scheme
-except ImportError:  # django 2.2
-    from django.utils.http import is_safe_url as url_has_allowed_host_and_scheme
+from django.utils.http import url_has_allowed_host_and_scheme
 
 from saml2.config import SPConfig
+from saml2.mdstore import MetaDataMDX
 from saml2.s_utils import UnknownSystemEntity
 
 logger = logging.getLogger(__name__)

setup.py

@@ -35,15 +35,12 @@ def read(*rnames):
         "Development Status :: 5 - Production/Stable",
         "Environment :: Web Environment",
         "Framework :: Django",
-        "Framework :: Django :: 2.2",
-        "Framework :: Django :: 3.1",
         "Framework :: Django :: 3.2",
         "Framework :: Django :: 4.0",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",

tox.ini

@@ -1,14 +1,12 @@
 [tox]
 envlist =
-    py{3.6,3.7,3.8,3.9,3.10}-django{2.2,3.1,3.2,4.0}
+    py{3.7,3.8,3.9,3.10}-django{3.2,4.0}
 
 [testenv]
 commands =
     python tests/run_tests.py
 
 deps =
-    django2.2: django~=2.2
-    django3.1: django~=3.1
     django3.2: django~=3.2
     django4.0: django~=4.0
     djangomaster: https://github.com/django/django/archive/master.tar.gz