Move CI to GitHub Actions & split Python versions into jobs (#603)

Thanks to Bruno Alla (@browniebroke)

.github/workflows/ci.yml

@@ -0,0 +1,46 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+
+concurrency:
+  group: ${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        versions:
+          - python: "2.6"
+          - python: "2.7"
+          - python: "3.3"
+          - python: "3.4"
+          - python: "3.5"
+          - python: "3.6"
+          - python: "3.7"
+          - python: "3.8"
+          - python: "3.9"
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - if: ${{ matrix.versions.python != '2.6' }}
+        run: |
+          docker build \
+          . \
+          --build-arg PYTHON_VERSION=${{ matrix.versions.python }} \
+          -t jmadler/python-future-builder:${{ matrix.versions.python }}
+      - if: ${{ matrix.versions.python == '2.6' }}
+        run: |
+          docker build \
+          . \
+          -f 2.6.Dockerfile \
+          -t jmadler/python-future-builder:${{ matrix.versions.python }}
+      - run: |
+          docker run \
+          -e PYTHON_VERSION=${{ matrix.versions.python }} \
+          jmadler/python-future-builder:${{ matrix.versions.python }} \
+          /root/python-future/test.sh

2.6.Dockerfile

@@ -0,0 +1,26 @@
+FROM mrupgrade/deadsnakes:2.6
+
+RUN mkdir -p ~/.pip/ && echo '[global] \n\
+trusted-host = pypi.python.org\n\
+               pypi.org\n\
+               files.pythonhosted.org\n\
+' >> ~/.pip/pip.conf
+
+RUN apt-get update && \
+    apt-get install -y curl
+
+RUN mkdir -p /root/pip && \
+    cd /root/pip && \
+    curl -O https://files.pythonhosted.org/packages/8a/e9/8468cd68b582b06ef554be0b96b59f59779627131aad48f8a5bce4b13450/wheel-0.29.0-py2.py3-none-any.whl && \
+    curl -O https://files.pythonhosted.org/packages/31/77/3781f65cafe55480b56914def99022a5d2965a4bb269655c89ef2f1de3cd/importlib-1.0.4.zip && \
+    curl -O https://files.pythonhosted.org/packages/ef/41/d8a61f1b2ba308e96b36106e95024977e30129355fd12087f23e4b9852a1/pytest-3.2.5-py2.py3-none-any.whl && \
+    curl -O https://files.pythonhosted.org/packages/f2/94/3af39d34be01a24a6e65433d19e107099374224905f1e0cc6bbe1fd22a2f/argparse-1.4.0-py2.py3-none-any.whl && \
+    curl -O https://files.pythonhosted.org/packages/72/20/7f0f433060a962200b7272b8c12ba90ef5b903e218174301d0abfd523813/unittest2-1.1.0-py2.py3-none-any.whl && \
+    curl -O https://files.pythonhosted.org/packages/53/67/9620edf7803ab867b175e4fd23c7b8bd8eba11cb761514dcd2e726ef07da/py-1.4.34-py2.py3-none-any.whl && \
+    curl -O https://files.pythonhosted.org/packages/53/25/ef88e8e45db141faa9598fbf7ad0062df8f50f881a36ed6a0073e1572126/ordereddict-1.1.tar.gz && \
+    curl -O https://files.pythonhosted.org/packages/17/0a/6ac05a3723017a967193456a2efa0aa9ac4b51456891af1e2353bb9de21e/traceback2-1.4.0-py2.py3-none-any.whl && \
+    curl -O https://files.pythonhosted.org/packages/65/26/32b8464df2a97e6dd1b656ed26b2c194606c16fe163c695a992b36c11cdf/six-1.13.0-py2.py3-none-any.whl && \
+    curl -O https://files.pythonhosted.org/packages/c7/a3/c5da2a44c85bfbb6eebcfc1dde24933f8704441b98fdde6528f4831757a6/linecache2-1.0.0-py2.py3-none-any.whl
+
+WORKDIR /root/python-future
+ADD . /root/python-future

Dockerfile

@@ -1,3 +1,7 @@
-FROM quay.io/pypa/manylinux1_x86_64
+ARG PYTHON_VERSION
+FROM python:${PYTHON_VERSION}-slim
+
+ENV LC_ALL=C.UTF-8
+
 WORKDIR /root/python-future
 ADD . /root/python-future

README.rst

@@ -3,8 +3,8 @@
 Overview: Easy, clean, reliable Python 2/3 compatibility
 ========================================================
 
-.. image:: https://travis-ci.org/PythonCharmers/python-future.svg?branch=master
-    :target: https://travis-ci.org/PythonCharmers/python-future
+.. image:: https://github.com/PythonCharmers/python-future/actions/workflows/ci.yml/badge.svg?branch=master
+    :target: https://github.com/PythonCharmers/python-future/actions/workflows/ci.yml?query=branch%3Amaster
 
 .. image:: https://readthedocs.org/projects/python-future/badge/?version=latest
     :target: https://python-future.readthedocs.io/en/latest/?badge=latest

src/future/moves/_dummy_thread.py

@@ -1,13 +1,13 @@
 from __future__ import absolute_import
-from future.utils import PY3
+from future.utils import PY3, PY39_PLUS
 
-if PY3:
+
+if PY39_PLUS:
     # _dummy_thread and dummy_threading modules were both deprecated in
     # Python 3.7 and removed in Python 3.9
-    try:
+    from _thread import *
+elif PY3:
         from _dummy_thread import *
-    except ImportError:
-        from _thread import *
 else:
     __future_module__ = True
     from dummy_thread import *

test.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -exo pipefail
+
+python --version
+
+if [ -e "/root/pip" ]
+then
+  pip install /root/pip/*.zip /root/pip/*.whl /root/pip/*tar.gz
+else
+  pip install pytest unittest2
+fi
+
+pytag="py${PYTHON_VERSION//./}"
+
+python setup.py bdist_wheel --python-tag="${pytag}"
+pip install dist/future-*-${pytag}-none-any.whl
+pytest tests/