Merge pull request #462 from itamarst/461-python-3.9

Support for Python 3.9

Author: itamarst

.github/workflows/main.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "pypy3"]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "pypy3"]
 
     steps:
       - uses: "actions/checkout@v2"

README.rst

@@ -29,7 +29,7 @@ Eliot supports a range of use cases and 3rd party libraries:
 
 Eliot is only used to generate your logs; you will might need tools like Logstash and ElasticSearch to aggregate and store logs if you are using multiple processes across multiple machines.
 
-Eliot supports Python 3.5, 3.6, 3.7, and 3.8, as well as PyPy3.
+Eliot supports Python 3.6, 3.7, 3.8, and 3.9, as well as PyPy3.
 It is maintained by Itamar Turner-Trauring, and released under the Apache 2.0 License.
 
 Python 2.7 is in legacy support mode, with the last release supported being 1.7; see `here <https://eliot.readthedocs.io/en/stable/python2.html>`_ for details.

docs/source/index.rst

@@ -28,7 +28,7 @@ Eliot is only used to generate your logs; you might still need tools like Logsta
 * **Start here:** :doc:`Quickstart documentation <quickstart>`
 * Need help or have any questions? `File an issue <https://github.com/itamarst/eliot/issues/new>`_.
 * Eliot is licensed under the `Apache 2.0 license <https://github.com/itamarst/eliot/blob/master/LICENSE>`_, and the source code is `available on GitHub <https://github.com/itamarst/eliot>`_.
-* Eliot supports Python 3.8, 3.7, 3.6, and 3.5, as well as PyPy3.
+* Eliot supports Python 3.9, 3.8, 3.7, 3.6, and PyPy3.
   Python 2.7 is in legacy support mode (see :ref:`python2` for details).
 * **Commercial support** is available from `Python⇒Speed <https://pythonspeed.com/services/#eliot>`_.
 * Read on for the full documentation.

setup.py

@@ -18,10 +18,10 @@ def read(path):
         "Operating System :: OS Independent",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: System :: Logging",
@@ -30,7 +30,7 @@ def read(path):
     version=versioneer.get_version(),
     cmdclass=versioneer.get_cmdclass(),
     description="Logging library that tells you why it happened",
-    python_requires=">=3.5.3",
+    python_requires=">=3.6.0",
     install_requires=[
         # Python 3 compatibility:
         "six",
@@ -54,6 +54,7 @@ def read(path):
             # Tasteful testing for Python:
             "testtools",
             "pytest",
+            "pytest-xdist",
         ],
         "dev": [
             # Ensure we can do python_requires correctly:

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py38-numpy, py36, py37, pypy3, py38,
+envlist = py38-numpy, py36, py37, pypy3, py38, py39,
           py38-twisted-latest,
           linters3, sphinx
 
@@ -8,25 +8,25 @@ python =
        3.6: py36
        3.7: py37, linters3, sphinx
        3.8: py38, py38-numpy, py38-twisted-latest
+       3.9: py39
        pypy3: pypy3
 
 [testenv]
 commands =
     {envpython} setup.py --version
     pip install .[test]
     pip list
-    {envpython} -m unittest {posargs:discover -v eliot.tests}
+    {envpython} -m pytest -n 2
 
 ## No Twisted ##
 [testenv:py38-numpy]
 basepython = python3.8
 deps = numpy
-       dask[bag]==1.2.1
+       dask[bag]
 
 [testenv:py36]
 basepython = python3.6
-deps = cffi
-       pyinstaller
+deps = 
 
 [testenv:py37]
 basepython = python3.7
@@ -38,6 +38,11 @@ deps = cffi
 
 [testenv:py38]
 basepython = python3.8
+deps = cffi
+       pyinstaller
+
+[testenv:py39]
+basepython = python3.9
 deps =
 
 [testenv:py38-twisted-latest]
@@ -56,7 +61,7 @@ deps = pyflakes
 basepython = python3.7
 commands =
          pyflakes eliot
-         black --check --target-version=py35 eliot
+         black --check --target-version=py36 eliot
 
 [testenv:sphinx]
 deps = sphinx