CI: move Travis linux builds to Github Actions

.github/workflows/tests.yml

@@ -0,0 +1,193 @@
+name: Tests (Linux)
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    name: Python ${{ matrix.python }} (GEOS ${{ matrix.geos }}, speedups ${{ matrix.speedups }}, numpy ${{ matrix.numpy || 'not installed' }})
+    # runs-on: ubuntu-latest
+    runs-on: ubuntu-16.04
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          # 2013-ish
+          - python: 2.7
+            geos: 3.4.3
+            numpy: 1.8.2
+            speedups: 1
+          - python: 2.7
+            geos: 3.4.3
+            numpy: 1.8.2
+            speedups: 0
+          - python: 2.7
+            geos: 3.4.3
+            speedups: 0
+          # 2015
+          - python: 3.5
+            geos: 3.5.2
+            numpy: 1.10.4
+            speedups: 1
+          - python: 3.5
+            geos: 3.5.2
+            numpy: 1.10.4
+            speedups: 0
+          - python: 3.5
+            geos: 3.5.2
+            speedups: 0
+          # 2017
+          - python: 3.6
+            geos: 3.6.4
+            numpy: 1.13.3
+            speeedups: 1
+          - python: 3.6
+            geos: 3.6.4
+            numpy: 1.13.3
+            speeedups: 0
+          - python: 3.6
+            geos: 3.6.4
+            speeedups: 0
+          # 2018
+          - python: 3.7
+            geos: 3.7.3
+            numpy: 1.15.4
+            speedups: 1
+          - python: 3.7
+            geos: 3.7.3
+            numpy: 1.15.4
+            speedups: 0
+          - python: 3.7
+            geos: 3.7.3
+            speedups: 0
+          # 2019
+          - python: 3.8
+            geos: 3.8.1
+            numpy: 1.17.5
+            speedups: 1
+          - python: 3.8
+            geos: 3.8.1
+            numpy: 1.17.5
+            speedups: 0
+          - python: 3.8
+            geos: 3.8.1
+            speedups: 0
+          # 2020
+          - python: 3.9
+            geos: 3.9.0
+            numpy: 1.19.5
+            speedups: 1
+          - python: 3.9
+            geos: 3.9.0
+            numpy: 1.19.5
+            speedups: 0
+          - python: 3.9
+            geos: 3.9.0
+            speedups: 0
+          # dev
+          - python: 3.9
+            geos: master
+            speedups: 1
+
+    env:
+      GEOS_VERSION: ${{ matrix.geos }}
+      GEOS_INSTALL: ${{ github.workspace }}/geosinstall/geos-${{ matrix.geos }}
+      SPEEDUPS: ${{ matrix.speedups }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python ${{ matrix.python }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python }}
+
+      - name: Cache GEOS and pip packages
+        uses: actions/cache@v2
+        with:
+          key: ${{ runner.os }}-geos-${{ matrix.geos }}
+          path: |
+            ~/.cache/pip
+            ${{ github.workspace }}/geosinstall
+
+      - name: Install GEOS
+        shell: bash
+        run: |
+          ./ci/install_geos.sh
+          cd ${{ github.workspace }}
+
+      - name: Install python dependencies
+        shell: bash
+        run: |
+          use_pip_lt_21=`python3 -c "import sys; print(sys.version_info[:2] < (3, 6))"`
+          if [ $use_pip_lt_21 = "True" ]; then
+            pip="pip < 21.0"
+          else
+            pip="pip"
+          fi
+          pip install --disable-pip-version-check --upgrade "$pip"
+          pip install --upgrade wheel
+          if [ "$GEOS_VERSION" = "master" ]; then
+            pip install --upgrade --pre Cython numpy;
+          elif [ "$SPEEDUPS" == "1" ]; then
+            pip install --install-option="--no-cython-compile" cython;
+            pip install --upgrade numpy==${{ matrix.numpy }};
+          elif [ -n "${{ matrix.numpy }}" ]; then
+            pip install --upgrade numpy==${{ matrix.numpy }};
+          else
+            pip uninstall --yes numpy;
+          fi
+          pip install --upgrade coveralls pytest-cov pytest
+          pip list
+
+      - name: Set environment variables
+        shell: bash
+        run: |
+          echo "LD_LIBRARY_PATH=$GEOS_INSTALL/lib" >> $GITHUB_ENV
+          echo $GEOS_INSTALL/bin >> $GITHUB_PATH
+
+      - name: Build and install Shapely
+        shell: bash
+        run: |
+          pip install -v -e .
+
+      - name: Overview of the Python environment (pip list)
+        shell: bash
+        run: |
+          pip list
+
+      - name: Run tests
+        shell: bash
+        continue-on-error: ${{ matrix.geos == 'master' }}
+        run: |
+          if [ "$SPEEDUPS" == "1" ]; then SPEEDUPS_FLAG=--with-speedups; else SPEEDUPS_FLAG=--without-speedups; fi
+          python -c "from shapely import geos; print(geos.geos_version_string)"
+          python -c "from shapely import speedups; print(speedups.enabled)"
+          python -m pytest --cov shapely --cov-report term-missing "${SPEEDUPS_FLAG}"
+
+      - name: Run doctests
+        if: ${{ matrix.python == '3.8' && matrix.numpy && matrix.speedups == '1' }}
+        shell: bash
+        run: |
+          python -m pytest shapely --doctest-modules
+
+      - name: Upload coverage
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          COVERALLS_SERVICE_NAME: github-actions
+          COVERALLS_PARALLEL: true
+        shell: bash
+        run: |
+          coveralls || echo "!! intermittent coveralls failure"
+
+  coveralls:
+    name: Indicate completion to coveralls.io
+    needs: test
+    runs-on: ubuntu-latest
+    container: python:3-slim
+    steps:
+    - name: Finished
+      run: |
+        pip3 install --upgrade coveralls
+        coveralls --finish || echo "!! intermittent coveralls failure"
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.rst

@@ -2,10 +2,10 @@
 Shapely
 =======
 
-|travis| |appveyor| |coveralls|
+|github-actions| |appveyor| |coveralls|
 
-.. |travis| image:: https://travis-ci.org/Toblerity/Shapely.svg?branch=maint-1.7
-   :target: https://travis-ci.org/Toblerity/Shapely
+.. |github-actions| image:: https://github.com/Toblerity/Shapely/workflows/Tests%20(Linux)/badge.svg?branch=maint-1.7
+   :target: https://github.com/Toblerity/Shapely/actions
 
 .. |appveyor| image:: https://ci.appveyor.com/api/projects/status/github/Toblerity/Shapely?branch=maint-1.7&svg=true
    :target: https://ci.appveyor.com/project/frsci/shapely?branch=maint-1.7

tests/__init__.py

@@ -15,7 +15,7 @@
     numpy = False
     numpy_version = 'not available'
 
-# Show some diagnostic information; handy for Travis CI
+# Show some diagnostic information; handy for CI
 print('Python version: ' + sys.version.replace('\n', ' '))
 print('GEOS version: ' + geos_version_string)
 print('Numpy version: ' + numpy_version)