Closes #6767: Add support for Python 3.9

Author: jeremystretch

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -25,7 +25,6 @@ body:
       label: Python version
       description: What version of Python are you currently running?
       options:
-        - 3.6
         - 3.7
         - 3.8
         - 3.9

.github/workflows/ci.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8]
+        python-version: [3.7, 3.8, 3.9]
     services:
       redis:
         image: redis

docs/administration/netbox-shell.md

@@ -11,7 +11,7 @@ This will launch a lightly customized version of [the built-in Django shell](htt
 ```
 $ ./manage.py nbshell
 ### NetBox interactive shell (localhost)
-### Python 3.6.9 | Django 2.2.11 | NetBox 2.7.10
+### Python 3.7.10 | Django 3.2.5 | NetBox 3.0
 ### lsmodels() will show available models. Use help(<model>) for more info.
 ```
 

docs/index.md

@@ -55,7 +55,7 @@ NetBox is built on the [Django](https://djangoproject.com/) Python framework and
 
 ## Supported Python Versions
 
-NetBox supports Python 3.6, 3.7, and 3.8 environments currently. (Support for Python 3.5 was removed in NetBox v2.8.)
+NetBox supports Python 3.7, 3.8, and 3.9 environments currently. (Support for Python 3.6 was removed in NetBox v3.0.)
 
 ## Getting Started
 

docs/installation/3-netbox.md

@@ -7,7 +7,7 @@ This section of the documentation discusses installing and configuring the NetBo
 Begin by installing all system packages required by NetBox and its dependencies.
 
 !!! note
-    NetBox v2.8.0 and later require Python 3.6, 3.7, or 3.8.
+    NetBox v3.0 and later require Python 3.7, 3.8, or 3.9.
 
 === "Ubuntu"
 

docs/installation/index.md

@@ -19,13 +19,10 @@ The video below demonstrates the installation of NetBox v2.10.3 on Ubuntu 20.04
 
 | Dependency | Minimum Version |
 |------------|-----------------|
-| Python     | 3.6             |
+| Python     | 3.7             |
 | PostgreSQL | 9.6             |
 | Redis      | 4.0             |
 
-!!! note
-    Python 3.7 or later will be required in NetBox v3.0. Users are strongly encouraged to install NetBox using Python 3.7 or later for new deployments.
-
 Below is a simplified overview of the NetBox application stack for reference:
 
 ![NetBox UI as seen by a non-authenticated user](../media/installation/netbox_application_stack.png)

docs/installation/upgrading.md

@@ -6,11 +6,11 @@ Prior to upgrading your NetBox instance, be sure to carefully review all [releas
 
 ## Update Dependencies to Required Versions
 
-NetBox v2.9.0 and later requires the following:
+NetBox v3.0 and later requires the following:
 
 | Dependency | Minimum Version |
 |------------|-----------------|
-| Python     | 3.6             |
+| Python     | 3.7             |
 | PostgreSQL | 9.6             |
 | Redis      | 4.0             |
 

docs/plugins/development.md

@@ -48,7 +48,7 @@ The plugin source directory contains all of the actual Python code and other res
 
 ### Create setup.py
 
-`setup.py` is the [setup script](https://docs.python.org/3.6/distutils/setupscript.html) we'll use to install our plugin once it's finished. The primary function of this script is to call the setuptools library's `setup()` function to create a Python distribution package. We can pass a number of keyword arguments to inform the package creation as well as to provide metadata about the plugin. An example `setup.py` is below:
+`setup.py` is the [setup script](https://docs.python.org/3.7/distutils/setupscript.html) we'll use to install our plugin once it's finished. The primary function of this script is to call the setuptools library's `setup()` function to create a Python distribution package. We can pass a number of keyword arguments to inform the package creation as well as to provide metadata about the plugin. An example `setup.py` is below:
 
 ```python
 from setuptools import find_packages, setup

docs/release-notes/version-3.0.md

@@ -181,6 +181,7 @@ Note that NetBox's `rqworker` process will _not_ service custom queues by defaul
 * [#6338](https://github.com/netbox-community/netbox/issues/6338) - Decimal fields are no longer coerced to strings in REST API
 * [#6639](https://github.com/netbox-community/netbox/issues/6639) - Drop support for queryset caching (django-cacheops)
 * [#6713](https://github.com/netbox-community/netbox/issues/6713) - Checking for new releases is now done as part of the housekeeping routine
+* [#6767](https://github.com/netbox-community/netbox/issues/6767) - Add support for Python 3.9
 
 ### Configuration Changes