Drop support for Python 3.7

.github/workflows/build-and-test.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.7", "3.9", "3.10"]
+        python-version: ["3.9", "3.10"]
 
     steps:
       - uses: actions/checkout@v3

.readthedocs.yaml

@@ -15,4 +15,4 @@ python:
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.7"
+    python: "3.9"

.sonarcloud.properties

@@ -11,7 +11,7 @@ sonar.sources=bin, python
 # Encoding of the source code. Default is default system encoding
 #sonar.sourceEncoding=UTF-8
 
-sonar.python.version=3.7, 3.8, 3.9
+sonar.python.version=3.9,3.10
 sonar.tests=tests
 
 sonar.exclusions=python/nav/smidumps/**, python/nav/enterprise/ids.py, python/nav/etc/geomap/config.py

changelog.d/2790.changed.md

@@ -0,0 +1 @@
+Upgrade dependencies after dropping support for Python 3.7

changelog.d/2790.removed.md

@@ -0,0 +1 @@
+Drop support for Python 3.7

constraints.txt

@@ -1,3 +0,0 @@
-# ciscoconfparse 1.8 has a bug that prevents it from being imported on Python 3.7,
-# even though it claims compatibility with 3.7.
-ciscoconfparse<1.8.0 ; python_version < '3.8'

doc/howto/generic-install-from-source.rst

@@ -18,7 +18,7 @@ Build requirements
 
 To build NAV, you need at least the following:
 
- * Python >= 3.7.0
+ * Python >= 3.9.0
  * Sphinx >= 1.0 (for building this documentation)
 
 Runtime requirements
@@ -29,7 +29,7 @@ To run NAV, these software packages are required:
  * Apache2 + mod_wsgi (or, really, any web server that supports the WSGI interface)
  * PostgreSQL >= 11 (With the ``hstore`` extension available)
  * :xref:`Graphite`
- * Python >= 3.7.0
+ * Python >= 3.9.0
  * nbtscan = 1.5.1
  * dhcping (only needed if using DHCP service monitor)
 
@@ -47,7 +47,7 @@ files::
 *However*, some of the required modules are C extensions that will require the
 presence of some C libraries to be correctly built (unless PyPI provides binary
 wheels for your platform). These include the ``psycopg2`` driver and the
-``python-ldap`` and ``Pillow`` modules).
+``python-ldap`` and ``Pillow`` modules.
 
 The current Python requirements are as follows:
 

doc/howto/manual-install-on-debian.rst

@@ -160,7 +160,7 @@ Copy the file :file:`/etc/nav/apache/apache.conf.example` to
 * ``documentation_path`` is where Sphinx put the docs, in
   ``$SOURCE_CODE_DIRECTORY/build/sphinx/html/``.
 * ``nav_uploads_path`` is the upload path you created in step 8.
-* ``nav_python_base`` should be :file:`/usr/local/lib/python3.7/dist-packages` (or wherever the ``nav`` Python module was installed)
+* ``nav_python_base`` should be :file:`/usr/local/lib/python3.9/dist-packages` (or wherever the ``nav`` Python module was installed)
 
 We suggest creating a new Apache site config:
 Inside a ``VirtualHost``-directive, add:

pyproject.toml

@@ -7,7 +7,7 @@ name = "nav"
 description = "Network Administration Visualized - A comprehensive, free Network Management System"
 authors = [{name="Sikt - Norwegian agency for shared services in education and research", email="nav-support@uninett.no"}]
 readme = "README.rst"
-requires-python = ">=3.7"
+requires-python = ">=3.9"
 license = {text = "GPLv3"}
 keywords = ["nms", "snmp"]
 classifiers = [
@@ -16,10 +16,6 @@ classifiers = [
     "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
 ]
 dynamic = ["version"]
-dependencies = [
-    "importlib_metadata; python_version < '3.8'",
-    "importlib_resources; python_version < '3.9'",
-]
 
 
 [project.urls]

requirements/base.txt

@@ -6,7 +6,7 @@ psycopg2==2.9.9  # requires libpq to build
 IPy==1.01
 pyaml
 
-twisted~=23.8.0  # last version that still supports Python 3.7
+twisted>=23.8.0
 
 networkx==2.6.3
 Pillow>3.3.2
@@ -35,7 +35,4 @@ libsass==0.15.1
 
 napalm==3.4.1
 
-backports.zoneinfo ; python_version < '3.9'
-importlib_metadata ; python_version < '3.8'
-importlib_resources ; python_version < '3.9'
 git+https://github.com/Uninett/drf-oidc-auth@v4.0#egg=drf-oidc-auth

tests/docker/Dockerfile

@@ -20,7 +20,6 @@ RUN add-apt-repository ppa:deadsnakes/ppa && \
     apt-get update && \
     apt-get -y install --no-install-recommends \
       curl git build-essential \
-      python3.7-dbg python3.7-dev python3.7-distutils \
       python3.9-dbg python3.9-dev \
       python3.10-dbg python3.10-dev \
       python3-pip
@@ -68,7 +67,7 @@ RUN cd /tmp && \
     mv chromedriver /usr/local/bin/
 
 # Install our primary test runner
-RUN python3.7 -m pip install 'tox<4' snmpsim 'pyasn1<0.5.0' virtualenv
+RUN python3.9 -m pip install 'tox<4' snmpsim 'pyasn1<0.5.0' virtualenv
 
 # Add a build user
 ENV USER build

tox.ini

@@ -7,11 +7,11 @@
 # of the documentation in hacking.rst
 [tox]
 envlist =
-    {unit,integration,functional}-py{37,39,310}-django{32}
+    {unit,integration,functional}-py{39,310}-django{32}
     javascript
     docs
 skipsdist = True
-basepython = python3.7
+basepython = python3.9
 
 [pytest]
 addopts = --failed-first
@@ -20,7 +20,6 @@ markers =
 
 [gh-actions]
 python =
-    3.7: py37
     3.9: py39
     3.10: py310