Test on Python 3.11, drop Python 3.7-3.8 (#2982)

.github/workflows/docs.yml

@@ -26,10 +26,10 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.9
+      - name: Set up Python 3.11
         uses: actions/setup-python@v1
         with:
-          python-version: 3.9
+          python-version: 3.11
       - uses: actions/cache@v1
         with:
           path: ~/.cache/pip

.github/workflows/strings.yml

@@ -24,10 +24,10 @@ jobs:
     name: Check gettext syntax
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.9
+      - name: Set up Python 3.11
         uses: actions/setup-python@v1
         with:
-          python-version: 3.9
+          python-version: 3.11
       - uses: actions/cache@v1
         with:
           path: ~/.cache/pip
@@ -50,10 +50,10 @@ jobs:
     name: Spellcheck
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.9
+      - name: Set up Python 3.11
         uses: actions/setup-python@v1
         with:
-          python-version: 3.9
+          python-version: 3.11
       - uses: actions/cache@v1
         with:
           path: ~/.cache/pip

.github/workflows/style.yml

@@ -24,10 +24,10 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.9
+      - name: Set up Python 3.11
         uses: actions/setup-python@v1
         with:
-          python-version: 3.9
+          python-version: 3.11
       - uses: actions/cache@v1
         with:
           path: ~/.cache/pip
@@ -45,10 +45,10 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.9
+      - name: Set up Python 3.11
         uses: actions/setup-python@v1
         with:
-          python-version: 3.9
+          python-version: 3.11
       - uses: actions/cache@v1
         with:
           path: ~/.cache/pip
@@ -66,10 +66,10 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.9
+      - name: Set up Python 3.11
         uses: actions/setup-python@v1
         with:
-          python-version: 3.9
+          python-version: 3.11
       - name: Install Dependencies
         run: pip3 install licenseheaders
       - name: Run licenseheaders

.github/workflows/tests.yml

@@ -24,22 +24,22 @@ jobs:
     name: Tests
     strategy:
       matrix:
-        python-version: ["3.7", "3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]
         database: [sqlite, postgres, mysql]
         exclude:
-          - database: mysql
-            python-version: "3.10"
           - database: mysql
             python-version: "3.9"
+          - database: mysql
+            python-version: "3.11"
           - database: sqlite
-            python-version: "3.7"
+            python-version: "3.9"
           - database: sqlite
             python-version: "3.10"
     steps:
       - uses: actions/checkout@v2
       - uses: getong/mariadb-action@v1.1
         with:
-          mariadb version: '10.4'
+          mariadb version: '10.10'
           mysql database: 'pretix'
           mysql root password: ''
         if: matrix.database == 'mysql'
@@ -83,4 +83,4 @@ jobs:
           file: src/coverage.xml
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true
-        if: matrix.database == 'postgres' && matrix.python-version == '3.10'
+        if: matrix.database == 'postgres' && matrix.python-version == '3.11'

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.9-bullseye
+FROM python:3.11-bullseye
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \

doc/admin/installation/manual_smallscale.rst

@@ -23,7 +23,7 @@ installation guides):
 
 * A SMTP server to send out mails, e.g. `Postfix`_ on your machine or some third-party server you have credentials for
 * A HTTP reverse proxy, e.g. `nginx`_ or Apache to allow HTTPS connections
-* A `PostgreSQL`_ 9.6+ database server
+* A `PostgreSQL`_ 11+ database server
 * A `redis`_ server
 * A `nodejs`_ installation
 
@@ -127,7 +127,7 @@ We now install pretix, its direct dependencies and gunicorn::
 
     (venv)$ pip3 install pretix gunicorn
 
-Note that you need Python 3.7 or newer. You can find out your Python version using ``python -V``.
+Note that you need Python 3.9 or newer. You can find out your Python version using ``python -V``.
 
 We also need to create a data directory::
 

src/setup.cfg

@@ -26,6 +26,8 @@ filterwarnings =
     ignore::DeprecationWarning:markdown
     ignore::DeprecationWarning:celery
     ignore::DeprecationWarning:kombu
+    ignore::DeprecationWarning:django
+    ignore::DeprecationWarning:cgi
     ignore:the load_module.* method is deprecated:DeprecationWarning
     ignore::ImportWarning
     ignore::ResourceWarning

src/setup.py

@@ -53,7 +53,7 @@ except:
         raise
 
 CURRENT_PYTHON = sys.version_info[:2]
-REQUIRED_PYTHON = (3, 6)
+REQUIRED_PYTHON = (3, 9)
 if CURRENT_PYTHON < REQUIRED_PYTHON:
     sys.stderr.write("""
 ==========================
@@ -150,9 +150,9 @@ setup(
         'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
         'Environment :: Web Environment',
         'License :: OSI Approved :: GNU Affero General Public License v3',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
         'Framework :: Django :: 3.2'
     ],