python & machine learning on bananapi

banana-strap.sh

#!/bin/bash

# execute this script directly by piping to your shell from `curl` like this:
# curl --silent https://gist.githubusercontent.com/bixu/1033ed8954fafea48f2f7b3f32faf1fe/raw/banana-strap.sh | sudo bash

set -e

echo "Setting up $(hostname)..."

apt-get update
apt-get install --assume-yes \
  avahi-daemon \
  avahi-discover \
  avahi-utils \
  ccache \
  htop \
  libnss-mdns \
  mdns-scan

echo ""
echo "Multicast DNS has been set up for this device. You can connect by doing"
echo "  ssh $(hostname).local. -l $USER"
echo "from a terminal on this network."
echo ""

curl --silent -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
if ! grep "pyenv virtualenv-init" $HOME/.bash_profile > /dev/null
then
  echo 'export PATH="/home/pi/.pyenv/bin:$PATH"
  eval "$(pyenv init -)"
  eval "$(pyenv virtualenv-init -)"' | tee >> $HOME/.bash_profile
fi
source $HOME/.bash_profile
pyenv update

if [ ! -e $HOME/.pyenv/plugins/pyenv-ccache ]
then
  git clone https://github.com/yyuu/pyenv-ccache.git $(pyenv root)/plugins/pyenv-ccache
fi

for python in "2.7.15" "3.5.5" "3.6.3"
do
  if [ ! -e $HOME/.pyenv/versions/"$python" ]
  then
    wget https://smartb-downloads.s3.amazonaws.com/python/arm64/"$python".zip
    unzip "$python".zip -d .pyenv/versions/
  else
    pyenv install --skip-existing "$python"
  fi
done

echo ""
echo "Python versions available:"
pyenv versions
echo ""
echo "Run"
echo "  pyenv global/local <version>"
echo "to set the Python version you want."
echo ""

echo "...setup of $(hostname) complete."