.travis.yml

language: python
matrix:
  include:
  - python: '2.7'
    env:                             CATEGORY="nightly"  EXTRAS="yes"
  - python: '3.5'
    env:                             CATEGORY="nightly"  EXTRAS="yes"
  - python: '3.6'
    env:                             CATEGORY="nightly"  EXTRAS="yes"
  #- python: '3.7'
  #  env:                             CATEGORY="nightly"  EXTRAS="yes"
  #  dist: xenial
  #  sudo: yes
install:
  - sudo apt-get update --quiet
  - sudo apt-get install gfortran
  #
  # Setup miniconda and activate the testenv environment
  #
  - if [[ "${TRAVIS_PYTHON_VERSION:0:1}" == "2" ]]; then
       wget https://repo.continuum.io/miniconda/Miniconda2-latest-Linux-x86_64.sh -O miniconda.sh;
    else
       wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
    fi
  - bash miniconda.sh -b -p $HOME/miniconda
  - export PATH="$HOME/miniconda/bin:$PATH"
  - hash -r
  #
  # Update conda, then force it to NOT update itself again
  #
  - conda config --set always_yes yes
  - conda update -q -y -c anaconda conda
  - conda config --set auto_update_conda false
  #
  - conda create -f -q -y -n testenv python=${TRAVIS_PYTHON_VERSION}
  - source activate testenv
  #
  # Install supporting packages
  #
  - conda install -q -y -c conda-forge --no-deps setuptools pip
  #
  - which python
  - python --version
  - which pip
  - pip --version
  #
  - if [ "${TRAVIS_PYTHON_VERSION}" == "2.6" ]; then pip install 'cryptography<2.1.1'; fi
  - if [ "${TRAVIS_PYTHON_VERSION}" == "2.6" ]; then pip install 'pyOpenSSL<17.5'; fi
  - if [ "${TRAVIS_PYTHON_VERSION}" == "2.6" ]; then pip install urllib3; fi
  - if [ "${TRAVIS_PYTHON_VERSION}" == "2.6" ]; then pip install ordereddict; fi
  #
  - pip install coverage
  - pip install codecov
  - if [ -n "${YAML}" ]; then
       pip install --quiet pyyaml;
    fi
  #- if [ -n "${PYRO}" ]; then
  #     pip install --quiet $PYRO;
  #  fi
  #- pip install --quiet xlrd
  #- pip install --quiet openpyxl
  #- pip install sphinx_rtd_theme
  #- conda install -q -y -c anaconda pandas networkx

  #- if [ "${TRAVIS_PYTHON_VERSION}" != "2.6" -a -n "${EXTRAS}" ]; then
  #     conda install -q -y -c anaconda scipy;
  #  fi

  #
  # Install Pyomo extras
  #
  - if [ -n "${EXTRAS}" ]; then
       conda install -q -y -c conda-forge --no-deps pyomo.extras;
    fi

  #
  # Install freely available solvers
  #
  - conda install -q -y -c conda-forge glpk
  - glpsol -v
  - conda install -q -y -c conda-forge ipopt
  - ipopt -v

  #
  # Clone but don't install pyomo-model-libraries
  #
  #- git clone --quiet https://github.com/Pyomo/pyomo-model-libraries.git
  #
  # Install PyUtilib (master branch)
  #
  - pip install --quiet git+https://github.com/PyUtilib/pyutilib
  #
  # Install Pyomo (master branch)
  #
  - pip install --quiet git+https://github.com/Pyomo/pyomo
  #
  # Install this package
  #
  - python setup.py develop
  #
  # Verify that the Python interpreter hasn't changed (occasionally conda
  # installers will change the installed Python!!)
  #
  - which python
  - python --version
  - if [ `python --version |& grep "Python ${TRAVIS_PYTHON_VERSION}" | wc -l` -eq 0 ]; then
       exit 1;
    fi

script:
  - nosetests -x .