Add support for Python 3.11

Author: hugovk

pyproject.toml

@@ -17,6 +17,7 @@ classifiers = [
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
     "Topic :: Software Development :: Libraries",
 ]
 requires-python = ">=3.7"

tox.ini

@@ -8,7 +8,7 @@
 # for testing and it is disabled by default.
 
 [tox]
-envlist = lint, py{37, 38, 39, 310}
+envlist = lint, py{37, 38, 39, 310, 311}
 isolated_build = True
 
 [testenv]
@@ -89,6 +89,23 @@ deps =
     wcwidth
 
 
+[testenv:py311]
+basepython = python3.11
+commands = pytest -v --doctest-modules --ignore benchmark.py {posargs}
+deps =
+    pytest
+
+[testenv:py311-extra]
+basepython = python3.11
+setenv = PYTHONDEVMODE = 1
+commands = pytest -v --doctest-modules --ignore benchmark.py {posargs}
+deps =
+    pytest
+    numpy
+    pandas
+    wcwidth
+
+
 [flake8]
 max-complexity = 22
 max-line-length = 99