Switch to circle CI

Author: davesque

.circleci/config.yml

@@ -0,0 +1,84 @@
+version: 2.0
+
+# heavily inspired by https://raw.githubusercontent.com/pinax/pinax-wiki/6bd2a99ab6f702e300d708532a6d1d9aa638b9f8/.circleci/config.yml
+
+common: &common
+  working_directory: ~/repo
+  steps:
+    - checkout
+    - run:
+        name: merge pull request base
+        command: ./.circleci/merge_pr.sh
+    - run:
+        name: merge pull request base (2nd try)
+        command: ./.circleci/merge_pr.sh
+        when: on_fail
+    - run:
+        name: merge pull request base (3nd try)
+        command: ./.circleci/merge_pr.sh
+        when: on_fail
+    - restore_cache:
+        keys:
+          - v4-cache-{{ .Environment.CIRCLE_JOB }}-{{ checksum "setup.py" }}-{{ checksum "tox.ini" }}
+    - run:
+        name: install dependencies
+        command: pip install --user tox
+    - run:
+        name: run tox
+        command: ~/.local/bin/tox -r
+    - save_cache:
+        paths:
+          - .hypothesis
+          - .tox
+          - ~/.cache/pip
+          - ~/.local
+          - ./eggs
+        key: v4-cache-{{ .Environment.CIRCLE_JOB }}-{{ checksum "setup.py" }}-{{ checksum "tox.ini" }}
+
+jobs:
+  django20:
+    <<: *common
+    docker:
+      - image: circleci/python:3.6
+        environment:
+          TOXENV: 'py36-django20-drf{38,39}'
+  django21:
+    <<: *common
+    docker:
+      - image: circleci/python:3.7
+        environment:
+          TOXENV: 'py37-django21-drf{39,310}'
+  django22:
+    <<: *common
+    docker:
+      - image: circleci/python:3.7
+        environment:
+          TOXENV: 'py37-django22-drf{39,310}'
+  djangomaster:
+    <<: *common
+    docker:
+      - image: circleci/python:3.7
+        environment:
+          TOXENV: 'py37-djangomaster-drf310'
+  lint:
+    <<: *common
+    docker:
+      - image: circleci/python:3.6
+        environment:
+          TOXENV: lint
+  #doctest:
+  #  <<: *common
+  #  docker:
+  #    - image: circleci/python:3.6
+  #      environment:
+  #        TOXENV: doctest
+workflows:
+  version: 2
+  test:
+    jobs:
+      - django20
+      - django21
+      - django22
+      - djangomaster
+      - lint
+      #- doctest

.circleci/merge_pr.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+if [[ -n "${CIRCLE_PR_NUMBER}" ]]; then
+  PR_INFO_URL=https://api.github.com/repos/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME/pulls/$CIRCLE_PR_NUMBER
+  PR_BASE_BRANCH=$(curl -L "$PR_INFO_URL" | python -c 'import json, sys; obj = json.load(sys.stdin); sys.stdout.write(obj["base"]["ref"])')
+  git fetch origin +"$PR_BASE_BRANCH":circleci/pr-base
+  # We need these config values or git complains when creating the
+  # merge commit
+  git config --global user.name "Circle CI"
+  git config --global user.email "circleci@example.com"
+  git merge --no-edit circleci/pr-base
+fi

.travis.yml

@@ -1,17 +1,11 @@
 [tox]
 envlist=
     py36-django20-drf{38,39}
-    py37-django{21,22}-drf{39,310}
+    py37-django21-drf{39,310}
+    py37-django22-drf{39,310}
     py37-djangomaster-drf310
     lint
 
-[travis:env]
-DJANGO=
-    2.0: django20
-    2.1: django21
-    2.2: django22
-    master: djangomaster
-
 [flake8]
 ignore=E501