name: Python package

on: [push]

jobs:
  build:

    runs-on: ubuntu-latest
    strategy:
      max-parallel: 4
      matrix:
        python-version: [2.7, 3.5, 3.6, 3.7]

    steps:
    - uses: actions/checkout@v1
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install .
    - name: Lint with pylint
      run: |
        pip install pylint
        # stop the build if there are Pylint errors
        pylint --disable=all --enable=F,E *.py
    - name: Lint with flake8
      run: |
        pip install flake8
        # stop the build if there are Python syntax errors or undefined names
        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics

name: Python package

on: [push]

jobs:
  build:

    runs-on: ubuntu-latest
    strategy:
      max-parallel: 4
      matrix:
        python-version: [2.7, 3.5, 3.6, 3.7]

    steps:
    - uses: actions/checkout@v1
    - name: Cache Python packages
      uses: actions/cache@v1
      with:
        path: ~/.cache/pip
        key: ${{ runner.os }}-py${{ matrix.python-version }}-pip-${{ hashFiles('setup.py') }}
        restore-keys: |
          ${{ runner.os }}-py${{ matrix.python-version }}-pip-
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install .
    - name: Lint with pylint
      run: |
        pip install pylint
        # stop the build if there are Pylint errors
        pylint --disable=all --enable=F,E *.py
    - name: Lint with flake8
      run: |
        pip install flake8
        # stop the build if there are Python syntax errors or undefined names
        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics

Add pip cache to actions workflow
Add pip cache to actions workflow
