.travis.yml

language: python
dist: xenial

python:
  - "3.7"

before_install:
  - wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh
  - chmod +x miniconda.sh
  - ./miniconda.sh -b
  - export PATH=/home/travis/miniconda3/bin:$PATH
  - export DEPS="sympy=1.3 numpy=1.16.2 scipy=1.2.1 matplotlib ipython pytest"
  - conda update --yes --no-deps conda
  - pip install enum34
  - pip install ipython==7.4.0
  - pip install ipydex
  # for some strange reason the following pip-command 1. fails (therefor it is wrapped by echo) but 2. enables the following conda command to succeed
  - echo `pip install ruamel_yaml==0.15.90`
  - conda install --yes ruamel_yaml
  - conda update --yes conda

install:
 - conda install --yes -c conda conda-env numpy pytest ipython scipy matplotlib
# - conda create -n testenv --yes $DEPS pip python=$TRAVIS_PYTHON_VERSION
# - source activate testenv
# due to https://github.com/sympy/sympy/issues/12895
# we need to install sympy directly from master
 - pip install https://github.com/sympy/sympy/archive/master.zip
 - python -c "import sympy; print(sympy.__version__)"
 - python setup.py install

# command to run tests
#script: py.test -v
script:
# run all tests
  - py.test -v
# for debugging one can execute some specific examples
  # - python examples/ex1_InvertedPendulumTranslation.py log
  # - python examples/ex3_Aircraft.py log