Create .travis.yml

.travis.yml

@@ -0,0 +1,86 @@
+conditions: v1
+
+git:
+  depth: false
+
+language: python
+
+dist: xenial
+cache: pip
+
+before_install:
+- &install-flit >-
+  pip install --upgrade pip flit
+
+.mixtures:
+- &run-if-tagged
+  if: tag IS present
+- &run-if-cherry-picker
+  if: tag =~ ^cherry\-picker\-v\d+\.\d+\.\d+$
+- &run-if-cherry-picker-or-untagged
+  if: tag IS NOT present OR tag =~ ^cherry\-picker\-v\d+\.\d+\.\d+$
+- &base-3_7
+  dist: xenial
+  python: "3.7"
+- &install-and-test-cherry-picker
+  <<: *run-if-cherry-picker-or-untagged
+  env:
+    TARGET_PKG: cherry_picker
+  install:
+  - flit install
+  script:
+  - pytest cherry_picker/test.py -v
+- &deploy-base
+  stage: Publish dists to PYPI
+  <<: *run-if-tagged
+  python: "3.6"
+  script:
+  - flit build
+  before_deploy:
+  # Add an empty setup.py stub, because pypi provider always calls it
+  - touch setup.py
+  deploy: &deployment-config
+    provider: pypi
+    # `skip-cleanup: true` is required to preserve binary wheel and sdist,
+    # built by during `install` step above.
+    skip-cleanup: true
+    # `skip-existing: true` is required to skip uploading dists, already
+    # present in PyPI instead of failing the whole process.
+    # This happenes when other CI (AppVeyor etc.) has already uploaded
+    # the very same dist (usually sdist).
+    skip-existing: true
+    user: &pypi-user core-workflow
+    password: &pypi-password
+      # Encrypt with `travis encrypt -r python/core-workflow --org` while using travis-ci.org;
+      # change to `travis encrypt -r python/core-workflow --api-endpoint 'https://api.travis-ci.com/'`
+      # upon switch to __free__ travis-ci.com:
+      secure: "ec2BNgqhpXEY2mdNCmfs+lfufIpMAyvOMLDPyikJBwTkmEAQWEmBxNPt67vnun6ODKVuneYYvZCxnpcvASii/2DoBomVhWCVqmFQk888ehG31gKBhcRfTYePZ9B/1GNLchj+Z53eTJX3LVZBur6eICK1DxmgjHKLFSqYKCdxmuw+S8ethDzDE6cX5ce6D2+KDBMN2tUc1C9t15Q9sk8EgElY1JwRaiJ28uZsNfZQcP3rkusbDYPK5mFFJIv6xgEQbA31EvHU9/zvHYf7KwtkkgQzV4wN+FCr/ekGp9T8YneFSrioCY6nGznzsHcKXJsUuJEKBvjwOxy26/RfO/O+0cN6b3fGmI9wQVAnhbd/WszdN0/RmOtwXcJS/uxDTZSPcrXTKRqWaESKt9tGDXeFKLyrpi5Rc9wnxonVzwAOKZSody+ADG6EfLNsVJZt+RM3nV9aOgS20pCctsgqgW+qYBkmpYuAbIyaZRe3oi6lzYWXfZcwN2JIgiy7LVNn+JBPmNT3W21oR13TA7GDy/sWec9Odds4uZXUqfpkdVl+9/TzugH1VtgzhOyC/nU7y/m0Uo5q4QYTkAEZUrYP1N/FEUnvwLRHsqUzWk5beJtycOsHoOj7O9KG1g9gWfBxjfN3N5D2n1P7Xvf4dwcKc+mBVmq6tjAQYgqSdYttKrQPxrw="
+    on:
+      tags: true
+      all_branches: true
+
+jobs:
+  include:
+  - python: "3.6"
+    <<: *install-and-test-cherry-picker
+  - <<: *base-3_7
+    <<: *install-and-test-cherry-picker
+  - python: "nightly"  # currently, it's 3.8-dev
+    <<: *install-and-test-cherry-picker
+  - os: windows
+    language: sh
+    python: 3.7
+    before_install:
+      - choco install python --version 3.7
+      - python -m pip install --upgrade pip wheel
+      - *install-flit
+    <<: *install-and-test-cherry-picker
+    env:
+      PATH: >-
+        /c/Python37:/c/Python37/Scripts:$PATH
+      TARGET_PKG: cherry_picker
+
+  - <<: *deploy-base
+    <<: *run-if-cherry-picker
+    env:
+      TARGET_PKG: cherry_picker