[CI] Adding travis config (#1)

* [CI] Add travis config

* Make install-dependencies executable

* use anaconda in travis tests

* ensure script is executable

* fetch python 3.6 ray wheels

.travis.yml

@@ -0,0 +1,39 @@
+sudo: required
+
+language: generic
+
+matrix:
+  include:
+    - os: linux
+      dist: trusty
+      env: PYTHON=2.7
+
+    - os: linux
+      dist: trusty
+      env: PYTHON=3.6
+
+    - os: osx
+      osx_image: xcode7
+      env: PYTHON=2.7
+
+    - os: osx
+      osx_image: xcode7
+      env: PYTHON=3.6
+
+    - os: linux
+      dist: trusty
+      env: LINT=1
+      script:
+        - export PATH="$HOME/miniconda/bin:$PATH"
+        - flake8 .
+
+install:
+  - ./.travis/install-dependencies.sh
+
+script:
+  - export PATH="$HOME/miniconda/bin:$PATH"
+
+  - python -m pytest modin/dataframe/test/test_dataframe.py
+  - python -m pytest modin/dataframe/test/test_concat.py
+  - python -m pytest modin/dataframe/test/test_io.py
+  - python -m pytest modin/dataframe/test/test_groupby.py

.travis/install-dependencies.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+ROOT_DIR=$(cd "$(dirname "${BASH_SOURCE:-$0}")"; pwd)
+
+echo "PYTHON is $PYTHON"
+
+platform="unknown"
+unamestr="$(uname)"
+if [[ "$unamestr" == "Linux" ]]; then
+  echo "Platform is linux."
+  platform="linux"
+elif [[ "$unamestr" == "Darwin" ]]; then
+  echo "Platform is macosx."
+  platform="macosx"
+else
+  echo "Unrecognized platform."
+  exit 1
+fi
+
+if [[ "$PYTHON" == "2.7" ]] && [[ "$platform" == "linux" ]]; then
+  # Install miniconda.
+  wget https://repo.continuum.io/miniconda/Miniconda2-latest-Linux-x86_64.sh -O miniconda.sh -nv
+  bash miniconda.sh -b -p $HOME/miniconda
+  export PATH="$HOME/miniconda/bin:$PATH"
+  pip install -q pandas==0.22 feather-format lxml openpyxl xlrd
+  # Install ray from its latest wheels
+  pip install -q -U https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.4.0-cp27-cp27mu-manylinux1_x86_64.whl
+elif [[ "$PYTHON" == "3.6" ]] && [[ "$platform" == "linux" ]]; then
+  # Install miniconda.
+  wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh -nv
+  bash miniconda.sh -b -p $HOME/miniconda
+  export PATH="$HOME/miniconda/bin:$PATH"
+  pip install -q pandas==0.22 feather-format lxml openpyxl xlrd
+  # Install ray from its latest wheels
+  pip install -q -U https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.4.0-cp36-cp36m-manylinux1_x86_64.whl
+elif [[ "$PYTHON" == "2.7" ]] && [[ "$platform" == "macosx" ]]; then
+  # Install miniconda.
+  wget https://repo.continuum.io/miniconda/Miniconda2-latest-MacOSX-x86_64.sh -O miniconda.sh -nv
+  bash miniconda.sh -b -p $HOME/miniconda
+  export PATH="$HOME/miniconda/bin:$PATH"
+  pip install -q pandas==0.22 feather-format lxml openpyxl xlrd
+  # Install ray from its latest wheels
+  pip install -q -U https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.4.0-cp27-cp27m-macosx_10_6_intel.whl
+elif [[ "$PYTHON" == "3.6" ]] && [[ "$platform" == "macosx" ]]; then
+  # Install miniconda.
+  wget https://repo.continuum.io/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -O miniconda.sh -nv
+  bash miniconda.sh -b -p $HOME/miniconda
+  export PATH="$HOME/miniconda/bin:$PATH"
+  pip install -q pandas==0.22 feather-format lxml openpyxl xlrd
+  # Install ray from its latest wheels
+  pip install -q -U https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-0.4.0-cp36-cp36m-macosx_10_6_intel.whl
+elif [[ "$LINT" == "1" ]]; then
+  # Install miniconda.
+  wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh -nv
+  bash miniconda.sh -b -p $HOME/miniconda
+  export PATH="$HOME/miniconda/bin:$PATH"
+  # Install Python linting tools.
+  pip install -q flake8 flake8-comprehensions
+else
+  echo "Unrecognized environment."
+  exit 1
+fi