Script to install on a python virtualenv for development (#9685)

setup-utils/install-mxnet-virtualenv.sh

@@ -0,0 +1,123 @@
+#!/usr/bin/env bash
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+######################################################################
+# This script installs MXNet for Python in a virtualenv on OSX and ubuntu
+######################################################################
+set -e
+#set -x
+
+BUILDIR=build
+VENV=mxnet_py3
+
+setup_virtualenv() {
+    if [ ! -d $VENV ];then
+        virtualenv -p `which python3` $VENV
+    fi
+    source $VENV/bin/activate
+}
+
+gpu_count() {
+    nvidia-smi -L | wc -l
+}
+
+detect_platform() {
+	unameOut="$(uname -s)"
+	case "${unameOut}" in
+		Linux*)
+			distro=$(awk -F= '/^NAME/{gsub(/"/, "", $2); print $2}' /etc/os-release)
+			machine="Linux/$distro"
+		;;
+		Darwin*)    machine=Mac;;
+		CYGWIN*)    machine=Cygwin;;
+		MINGW*)     machine=MinGw;;
+		*)          machine="UNKNOWN:${unameOut}"
+	esac
+	echo ${machine}
+}
+
+
+if [ $(gpu_count) -ge 1 ];then
+    USE_CUDA=ON
+else
+    USE_CUDA=OFF
+fi
+
+PLATFORM=$(detect_platform)
+echo "Detected platform '$PLATFORM'"
+
+if [ $PLATFORM = "Mac" ];then
+    USE_OPENMP=OFF
+else
+    USE_OPENMP=ON
+fi
+
+if [ $PLATFORM = "Linux/Ubuntu" ];then
+    install_dependencies_ubuntu() {
+        sudo apt-get update
+        sudo apt-get install -y build-essential libatlas-base-dev libopencv-dev graphviz virtualenv cmake\
+            ninja-build libopenblas-dev liblapack-dev python3 python3-dev
+    }
+    echo "Installing build dependencies in Ubuntu!"
+    install_dependencies_ubuntu
+fi
+
+echo "Preparing a Python virtualenv in ${VENV}"
+setup_virtualenv
+
+echo "Building MXNet core. This can take a few minutes..."
+build_mxnet() {
+    pushd .
+    set -x
+    mkdir -p $BUILDIR && cd $BUILDIR
+    cmake -DUSE_CUDA=$USE_CUDA -DUSE_OPENCV=ON -DUSE_OPENMP=$USE_OPENMP -DUSE_SIGNAL_HANDLER=ON -DCMAKE_BUILD_TYPE=Release -GNinja ..  
+    ninja
+    set +x
+    popd
+}
+
+
+build_mxnet
+
+echo "Installing mxnet under virtualenv ${VENV}"
+install_mxnet() {
+    pushd .
+    cd python
+    pip3 install -e .
+    pip3 install opencv-python matplotlib graphviz jupyter ipython
+    popd
+}
+
+install_mxnet
+
+echo "
+
+========================================================================================
+Done! MXNet for Python installation is complete. Go ahead and explore MXNet with Python.
+========================================================================================
+
+Use the following command to enter the virtualenv:
+$ source ${VENV}/bin/activate
+$ iptyhon
+
+You can then start using mxnet
+
+import mxnet as mx
+x = mx.nd.ones((5,5))
+"