enable github actions

.appveyor.yml

@@ -1,8 +0,0 @@
-# To activate, change the Appveyor settings to use `.appveyor.yml`.
-install:
-  - C:\Python38-x64\python.exe -m pip install --upgrade setuptools tox virtualenv
-
-build: off
-
-test_script:
-  - C:\Python38-x64\python.exe -m tox -e py36,py37,dogfood

.github/workflows/main.yml

@@ -0,0 +1,51 @@
+name: main
+
+on:
+  push:
+    branches: [master]
+    tags:
+  pull_request:
+
+jobs:
+  main:
+    strategy:
+      matrix:
+        include:
+        # linux
+        - os: ubuntu-latest
+          python: pypy-3.7
+          toxenv: py
+        - os: ubuntu-latest
+          python: 3.6
+          toxenv: py
+        - os: ubuntu-latest
+          python: 3.7
+          toxenv: py
+        - os: ubuntu-latest
+          python: 3.8
+          toxenv: py
+        - os: ubuntu-latest
+          python: 3.9
+          toxenv: py
+        # windows
+        - os: windows-latest
+          python: 3.6
+          toxenv: py
+        # misc
+        - os: ubuntu-latest
+          python: 3.9
+          toxenv: docs
+        - os: ubuntu-latest
+          python: 3.9
+          toxenv: linters
+        - os: ubuntu-latest
+          python: 3.9
+          toxenv: dogfood
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python }}
+    - run: pip install --upgrade setuptools pip tox virtualenv
+    - run: tox -e ${{ matrix.toxenv }}

.gitlab-ci.yml

@@ -1,70 +0,0 @@
-image: python
-
-stages:
-- test
-- build
-- release
-
-before_script:
-- pip install pip --upgrade
-- pip install -r dev-requirements.txt
-
-after_script:
-- pip install codecov
-- codecov --token=7d117e6b-aab6-4283-ab19-166dafc38cf5
-
-pypy3:
-  image: pypy:3.6-7.2.0
-  stage: test
-  script: tox -e pypy3
-
-python36:
-  image: python:3.6
-  stage: test
-  script: tox -e py36
-
-python37:
-  image: python:3.7
-  stage: test
-  script: tox -e py37
-
-python38:
-  image: python:3.8
-  stage: test
-  script: tox -e py38
-
-linters:
-  image: python:3.7
-  stage: test
-  script: tox -e linters
-
-pre-commit:
-  image: python:3.7
-  stage: test
-  script: tox -e pre-commit
-
-docs:
-  stage: test
-  script: tox -e docs
-
-dogfood:
-  image: python:3.7
-  stage: test
-  script: tox -e dogfood
-
-build:
-  stage: build
-  script: tox -e build
-  artifacts:
-    paths:
-    - dist/
-    expire_in: 1 month
-
-release:
-  stage: release
-  script: tox -e build
-  artifacts:
-    paths:
-    - dist
-  only:
-  - tags

.pre-commit-config.yaml

@@ -3,6 +3,7 @@ repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v2.3.0
     hooks:
+    -   id: check-yaml
     -   id: debug-statements
         exclude: ^tests/fixtures/example-code/invalid-syntax.py$
     -   id: end-of-file-fixer

.travis.yml

@@ -1,31 +0,0 @@
-language: python
-cache: pip
-before_script:
-- pip install --upgrade tox setuptools virtualenv
-
-# test script
-script: tox
-notifications:
-  on_success: change
-  on_failure: always
-
-matrix:
-  include:
-    - python: 3.6
-      env: TOXENV=py36
-    - python: 3.7
-      env: TOXENV=py37
-    - python: 3.8
-      env: TOXENV=py38
-    - python: 3.7
-      env: TOXENV=readme
-    - python: 3.7
-      env: TOXENV=flake8
-    - python: 3.7
-      env: TOXENV=pylint
-    - python: 3.7
-      env: TOXENV=doc8
-    - python: 3.7
-      env: TOXENV=bandit
-    - python: 3.7
-      env: TOXENV=docs

README.rst

@@ -1,3 +1,11 @@
+.. image:: https://github.com/PyCQA/flake8/workflows/main/badge.svg
+   :target: https://github.com/PyCQA/flake8/actions?query=workflow%3Amain
+   :alt: build status
+
+.. image:: https://results.pre-commit.ci/badge/github/PyCQA/flake8/master.svg
+   :target: https://results.pre-commit.ci/latest/github/PyCQA/flake8/master
+   :alt: pre-commit.ci status
+
 ========
  Flake8
 ========