manifests/install.pp


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class python::install {

  $python = $python::version ? {
    'system' => 'python',
    default  => "python${python::version}",
  }

  $pythondev = $::operatingsystem ? {
    /(?i:RedHat|CentOS|Fedora)/ => "$python-devel",
    /(?i:Debian|Ubuntu)/        => "$python-dev"
  }

  package { $python: ensure => present }

  $dev_ensure = $python::dev ? {
    true    => present,
    default => absent,
  }

  package { [ $pythondev, 'python-pip' ]: ensure => $dev_ensure }

  $venv_ensure = $python::virtualenv ? {
    true    => present,
    default => absent,
  }

  package { 'python-virtualenv': ensure => $venv_ensure }

  $gunicorn_ensure = $python::gunicorn ? {
    true    => present,
    default => absent,
  }

  package { 'gunicorn': ensure => $gunicorn_ensure }

}