tests.yml: Enable Python 3.9 testing.

This requires NetworkX 2.6.

Signed-off-by: Chris PeBenito <pebenito@ieee.org>

.github/workflows/tests.yml

@@ -17,11 +17,12 @@ jobs:
           - {python: 3.6, tox: py36}
           - {python: 3.7, tox: py37}
           - {python: 3.8, tox: py38}
+          - {python: 3.9, tox: py39}
           - {python: 3.6, tox: pep8}
           - {python: 3.6, tox: lint}
           - {python: 3.6, tox: mypy}
           #- {python: 3.6, tox: coverage}
-  
+
     steps:
     - uses: actions/checkout@v2
 

README.md

@@ -14,7 +14,7 @@ As such it contains a setup.py script that will install the tools.
 
 To run SETools command line tools, the following packages are required:
 * Python 3.6+
-* NetworkX 2.0+
+* NetworkX 2.0+ (2.6+ for Python 3.9+)
 * setuptools
 * libselinux
 * libsepol 3.2+
@@ -27,7 +27,7 @@ To run SETools graphical tools, the following packages are also required:
 To build SETools, the following development packages are required, in
 addition to the development packages from the above list:
 * gcc
-* cython 0.27+ (0.29.14+ for Python 3.8)
+* cython 0.27+ (0.29.14+ for Python 3.8+)
 
 To run SETools unit tests, the following packages are required, in
 addition to the above dependencies:
@@ -108,7 +108,7 @@ be compiled.
 ```
 
 This feature assumes that the directory structure at $USERSPACE_SRC is the
-same as the SELinux userspace code checked out from GitHub. 
+same as the SELinux userspace code checked out from GitHub.
 
 Since SETools is dynamically linked to libsepol and libselinux, you must
 specify the path to the libsepol/src and libselinux/src directories by

setup.py

@@ -159,7 +159,7 @@ setup(name='setools',
           'Topic :: Utilities',
       ],
       keywords='SELinux SETools policy analysis tools seinfo sesearch sediff sedta seinfoflow apol',
-      python_requires='>=3.4',
+      python_requires='>=3.6',
       # setup also requires libsepol and libselinux
       # C libraries and headers to compile.
       setup_requires=['setuptools', 'Cython>=0.27'],

tox.ini

@@ -46,7 +46,10 @@ commands        = mypy -p setools
 
 [testenv]
 passenv         = USERSPACE_SRC
-deps            = networkx==2.0
+deps            = networkx>=2.0
                   cython>=0.27
+                  py38: cython>=0.29.14
+                  py39: networkx>=2.6
+                  py39: cython>=0.29.14
 commands_pre    = {envpython} setup.py build_ext -i
 commands        = {envpython} setup.py test -q