Backport the fix for issue voxpupuli#388

Fix for latest versions of setuptools and pip

manifests/virtualenv.pp

@@ -49,6 +49,9 @@
 # [*timeout*]
 # The maximum time in seconds the "pip install" command should take. Default: 1800
 #
+# [*pip_args*]
+# Arguments to pass to pip during initialization. Default: blank
+#
 # [*extra_pip_args*]
 # Extra arguments to pass to pip after requirements file. Default: blank
 #
@@ -84,6 +87,7 @@
  $path = [ '/bin', '/usr/bin', '/usr/sbin', '/usr/local/bin' ],
  $cwd = undef,
  $timeout = 1800,
+ $pip_args = '',
  $extra_pip_args = '',
  $virtualenv = undef
 ) {
@@ -157,13 +161,15 @@
  }
 
  $virtualenv_cmd = "${python::exec_prefix}${used_virtualenv}"
+
  $bin_dir = getvar('python::params::bin_dir')
  $pip_cmd = "${python::exec_prefix}${venv_dir}/${bin_dir}/pip"
+ $pip_flags = "${pypi_index} ${proxy_flag} ${pip_args}"
 
  if $::operatingsystem != 'windows' {
 
  exec { "python_virtualenv_${venv_dir}":
- command => "true ${proxy_command} && ${virtualenv_cmd} ${system_pkgs_flag} -p ${python} ${venv_dir} && ${pip_cmd} wheel --help > /dev/null 2>&1 && { ${pip_cmd} wheel --version > /dev/null 2>&1 || wheel_support_flag='--no-use-wheel'; } ; { ${pip_cmd} --log ${venv_dir}/pip.log install ${pypi_index} ${proxy_flag} \$wheel_support_flag --upgrade pip ${distribute_pkg} || ${pip_cmd} --log ${venv_dir}/pip.log install ${pypi_index} ${proxy_flag} --upgrade pip ${distribute_pkg} ;}",
+ command => "true ${proxy_command} && ${virtualenv_cmd} ${system_pkgs_flag} -p ${python} ${venv_dir} && ${pip_cmd} --log ${venv_dir}/pip.log install ${pip_flags} --upgrade pip && ${pip_cmd} install ${pip_flags} --upgrade ${distribute_pkg}",
  user => $owner,
  creates => "${venv_dir}/${bin_dir}/activate",
  path => $path,
@@ -192,7 +198,7 @@
 
  if $requirements {
  exec { "python_requirements_initial_install_${requirements}_${venv_dir}":
- command => "${pip_cmd} wheel --help > /dev/null 2>&1 && { ${pip_cmd} wheel --version > /dev/null 2>&1 || wheel_support_flag='--no-use-wheel'; } ; ${pip_cmd} --log ${venv_dir}/pip.log install ${pypi_index} ${proxy_flag} \$wheel_support_flag -r ${requirements} ${extra_pip_args}",
+ command => "${pip_cmd} --log ${venv_dir}/pip.log install ${pypi_index} ${proxy_flag} --no-binary :all: -r ${requirements} ${extra_pip_args}",
  refreshonly => true,
  timeout => $timeout,
  user => $owner,