Add travis config file

Author: martinRenou

.travis.yml

@@ -0,0 +1,29 @@
+language: python
+os:
+ - linux
+ - osx
+env:
+ matrix:
+  - PYTHON_VERSION=3.4
+  - PYTHON_VERSION=3.5
+  - PYTHON_VERSION=3.6
+  - PYTHON_VERSION=3.7
+before_install:
+  - if [[ $TRAVIS_OS_NAME == linux ]]; then sudo apt-get update; fi
+  - if [[ $TRAVIS_OS_NAME == linux ]]; then wget https://repo.continuum.io/miniconda/Miniconda-latest-Linux-x86_64.sh -O miniconda.sh; fi
+  - if [[ $TRAVIS_OS_NAME == osx ]]; then wget https://repo.continuum.io/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -O miniconda.sh; fi
+  - bash miniconda.sh -b -p $HOME/miniconda
+  - export PATH="$HOME/miniconda/bin:$PATH"
+  - hash -r
+  - conda config --set always_yes yes --set changeps1 no
+  - conda update -q conda
+  - conda info -a
+  - conda create -q -n test-environment python=$PYTHON_VERSION ipywidgets nodejs
+  - source activate test-environment
+  - conda install -c conda-forge flake8
+  - if [[ $TRAVIS_OS_NAME == linux ]]; then conda install -c conda-forge jupyterlab; fi
+install:
+  - pip install -e .
+  - if [[ $TRAVIS_OS_NAME == linux && $PYTHON_VERSION != 2.7 ]]; then jupyter labextension install .; fi
+script:
+  - flake8 ipycanvas