language: python
sudo: false
cache: pip

# Python targets, as defined by https://github.com/travis-ci/travis-build/blob
# /master/spec/build/script/python_spec.rb and https://github.com/travis-ci
# /travis-build/blob/master/lib/travis/build/script/python.rb
python:
  # Standard release https://docs.travis-ci.com/user/languages
  # /python#choosing-python-versions-to-test-against
  - "2.6"
  - "2.7"
  - "3.3"
  - "3.4"
  - "3.5"
  - "3.6"
  - "3.7-dev"  # a.k.a "nightly"

  # PyPy2.7: https://doc.pypy.org/en/latest
  # /index-of-release-notes.html#cpython-2-7-compatible-versions
  - pypy  # PyPy2.7 2.5.0
  - pypy-5.1
  - pypy-5.3
  - pypy-5.4

  # PyPy3.3: https://doc.pypy.org/en/latest
  # /index-of-release-notes.html#cpython-3-3-compatible-versions
  - pypy3.3-5.2-alpha1

install: "pip install -r requirements-test.txt"
script: "py.test --doctest-modules boltons tests"
branches:
  except:
    - function_builder