Migrate CI to GH actions

.github/workflows/checks.yml

@@ -0,0 +1,38 @@
+name: Checks
+on: [push, pull_request]
+
+jobs:
+  checks:
+    runs-on: ubuntu-18.04
+    strategy:
+      matrix:
+        include:
+        - python-version: 3.8
+          env:
+            TOXENV: security
+        - python-version: 3.8
+          env:
+            TOXENV: flake8
+        - python-version: 3.8
+          env:
+            TOXENV: pylint
+        - python-version: 3.8
+          env:
+            TOXENV: typing
+        - python-version: 3.7  # Keep in sync with .readthedocs.yml
+          env:
+            TOXENV: docs
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Run check
+      env: ${{ matrix.env }}
+      run: |
+        pip install -U tox
+        tox

.github/workflows/publish.yml

@@ -0,0 +1,31 @@
+name: Publish
+on: [push]
+
+jobs:
+  publish:
+    runs-on: ubuntu-18.04
+    if: startsWith(github.event.ref, 'refs/tags/')
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+
+    - name: Check Tag
+      id: check-release-tag
+      run: |
+        if [[ ${{ github.event.ref }} =~ ^refs/tags/[0-9]+[.][0-9]+[.][0-9]+(rc[0-9]+|[.]dev[0-9]+)?$ ]]; then
+          echo ::set-output name=release_tag::true
+        fi
+
+    - name: Publish to PyPI
+      if: steps.check-release-tag.outputs.release_tag == 'true'
+      run: |
+        pip install --upgrade setuptools wheel twine
+        python setup.py sdist bdist_wheel
+        export TWINE_USERNAME=__token__
+        export TWINE_PASSWORD=${{ secrets.PYPI_TOKEN }}
+        twine upload dist/*

.github/workflows/tests-macos.yml

@@ -0,0 +1,25 @@
+name: macOS
+on: [push, pull_request]
+
+jobs:
+  tests:
+    runs-on: macos-10.15
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Run tests
+      run: |
+        pip install -U tox
+        tox -e py
+
+    - name: Upload coverage report
+      run: bash <(curl -s https://codecov.io/bash)

.github/workflows/tests-ubuntu.yml

@@ -0,0 +1,69 @@
+name: Ubuntu
+on: [push, pull_request]
+
+jobs:
+  tests:
+    runs-on: ubuntu-18.04
+    strategy:
+      matrix:
+        include:
+        - python-version: 3.7
+          env:
+            TOXENV: py
+        - python-version: 3.8
+          env:
+            TOXENV: py
+        - python-version: pypy3
+          env:
+            TOXENV: pypy3
+            PYPY_VERSION: 3.6-v7.3.1
+
+        # pinned deps
+        - python-version: 3.6.12
+          env:
+            TOXENV: pinned
+        - python-version: 3.6.12
+          env:
+            TOXENV: asyncio-pinned
+        - python-version: pypy3
+          env:
+            TOXENV: pypy3-pinned
+            PYPY_VERSION: 3.6-v7.2.0
+
+        # extras
+        - python-version: 3.8
+          env:
+            TOXENV: extra-deps
+        - python-version: 3.8
+          env:
+            TOXENV: asyncio
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install system libraries
+      if: matrix.python-version == 'pypy3' || contains(matrix.env.TOXENV, 'pinned')
+      run: |
+        sudo apt-get update
+        sudo apt-get install libxml2-dev libxslt-dev
+
+    - name: Run tests
+      env: ${{ matrix.env }}
+      run: |
+        if [[ ! -z "$PYPY_VERSION" ]]; then
+          export PYPY_VERSION="pypy$PYPY_VERSION-linux64"
+          wget "https://downloads.python.org/pypy/${PYPY_VERSION}.tar.bz2"
+          tar -jxf ${PYPY_VERSION}.tar.bz2
+          $PYPY_VERSION/bin/pypy3 -m venv "$HOME/virtualenvs/$PYPY_VERSION"
+          source "$HOME/virtualenvs/$PYPY_VERSION/bin/activate"
+        fi
+        pip install -U tox
+        tox
+
+    - name: Upload coverage report
+      run: bash <(curl -s https://codecov.io/bash)

.github/workflows/tests-windows.yml

@@ -0,0 +1,32 @@
+name: Windows
+on: [push, pull_request]
+
+jobs:
+  tests:
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        include:
+        - python-version: 3.6
+          env:
+            TOXENV: windows-pinned
+        - python-version: 3.7
+          env:
+            TOXENV: py
+        - python-version: 3.8
+          env:
+            TOXENV: py
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Run tests
+      env: ${{ matrix.env }}
+      run: |
+        pip install -U tox
+        tox

README.rst

@@ -10,9 +10,17 @@ Scrapy
    :target: https://pypi.python.org/pypi/Scrapy
    :alt: Supported Python Versions
 
-.. image:: https://img.shields.io/travis/scrapy/scrapy/master.svg
-   :target: https://travis-ci.org/scrapy/scrapy
-   :alt: Build Status
+.. image:: https://github.com/scrapy/scrapy/workflows/Ubuntu/badge.svg
+   :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AUbuntu
+   :alt: Ubuntu
+
+.. image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg
+   :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AmacOS
+   :alt: macOS
+
+.. image:: https://github.com/scrapy/scrapy/workflows/Windows/badge.svg
+   :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AWindows
+   :alt: Windows
 
 .. image:: https://img.shields.io/badge/wheel-yes-brightgreen.svg
    :target: https://pypi.python.org/pypi/Scrapy

tests/requirements-py3.txt

@@ -14,6 +14,6 @@ uvloop; platform_system != "Windows"
 # optional for shell wrapper tests
 bpython
 brotlipy  # optional for HTTP compress downloader middleware tests
-zstandard  # optional for HTTP compress downloader middleware tests
+zstandard; implementation_name != 'pypy'  # optional for HTTP compress downloader middleware tests
 ipython
 pywin32; sys_platform == "win32"