Fix VirtualEnv Provider

Signed-off-by: Seth Vargo <[email protected]>

.kitchen.yml

@@ -35,20 +35,23 @@ platforms:
 suites:
 - name: default
   run_list:
+  - recipe[minitest-handler]
   - recipe[python]
+  - recipe[python_test::cook-3084]
   attributes: {}
 
 - name: source
   run_list:
+  - recipe[minitest-handler]
   - recipe[python]
+  - recipe[python_test::cook-3084]
   attributes: {python: {install_method: "source"}}
 - name: exert
   excludes: ["centos-5.9"]
   run_list:
   - recipe[python]
   - recipe[python_test::test_exert]
 - name: virtualenv
-  excludes: ["centos-5.9"]
   run_list:
   - recipe[python]
   - recipe[python_test::test_virtualenv]

Berksfile

@@ -3,6 +3,7 @@ site :opscode
 metadata
 
 group :integration do
+  cookbook "minitest-handler"
   cookbook "apt"
   cookbook "yum"
   cookbook "build-essential"

README.md

@@ -95,7 +95,7 @@ Install packages using the new hotness in Python package management...[`pip`](ht
 # Attribute Parameters
 
 - path: name attribute. The path where the virtualenv will be created
-- interpreter: The Python interpreter to use. default is `python2.6`
+- interpreter: The Python interpreter to use. default is null (i.e. use whatever python the virtualenv command is using).
 - owner: The owner for the virtualenv
 - group: The group owner of the file (string or id)
 - options : Command line options (string)

providers/virtualenv.rb

@@ -29,7 +29,8 @@ def whyrun_supported?
 action :create do
   unless exists?
     Chef::Log.info("Creating virtualenv #{new_resource} at #{new_resource.path}")
-    execute "#{virtualenv_cmd} --python=#{new_resource.interpreter} #{new_resource.options} #{new_resource.path}" do
+    interpreter = new_resource.interpreter ? " --python=#{new_resource.interpreter}" : ""
+    execute "#{virtualenv_cmd}#{interpreter} #{new_resource.options} #{new_resource.path}" do
       user new_resource.owner if new_resource.owner
       group new_resource.group if new_resource.group
     end

resources/virtualenv.rb

@@ -28,7 +28,7 @@ def initialize(*args)
 end
 
 attribute :path, :kind_of => String, :name_attribute => true
-attribute :interpreter, :default => 'python'
+attribute :interpreter, :kind_of => String
 attribute :owner, :regex => Chef::Config[:user_valid_regex]
 attribute :group, :regex => Chef::Config[:group_valid_regex]
 attribute :options, :kind_of => String

test/cookbooks/python_test/files/default/tests/minitest/cook-3084_test.rb

@@ -0,0 +1,17 @@
+require 'minitest/spec'
+
+describe_recipe 'python_test::cook-3084' do
+  include MiniTest::Chef::Assertions
+  include MiniTest::Chef::Context
+  include MiniTest::Chef::Resources
+
+  it "created a virtualenv in cook-3084" do
+    result = assert_sh("cook-3084/bin/python -c 'import sys; from os.path import basename; print basename(sys.prefix)'")
+    assert_match /cook-3084\n/, result
+  end
+
+  it "created a virtualenv in cook-3084-interpreter" do
+    result = assert_sh("cook-3084-interpreter/bin/python -c 'import sys; from os.path import basename; print basename(sys.prefix)'")
+    assert_match /cook-3084-interpreter\n/, result
+  end
+end

test/cookbooks/python_test/recipes/cook-3084.rb

@@ -0,0 +1,35 @@
+#
+# Author:: Alex Kiernan (<[email protected]>)
+# Cookbook Name:: python
+# Recipe:: cook-3084
+#
+# Copyright 2013, Alex Kiernan
+#
+# Licensed 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.
+#
+
+include_recipe "python"
+
+python_virtualenv "cook-3084" do
+end
+
+python_virtualenv "cook-3084-interpreter" do
+  # on EL5 the default python we install is called python26
+  if !node['python']['install_method'].eql?("source") &&
+     platform_family?('rhel') && 
+     node['platform_version'].split('.').first.to_i < 6
+    interpreter '/usr/bin/python26'
+  else
+    interpreter 'python'
+  end
+end

test/cookbooks/python_test/recipes/test_virtualenv.rb

@@ -19,15 +19,13 @@
 #
 
 python_virtualenv "/tmp/virtualenv" do
-  interpreter "python"
   owner "root"
   group "root"
   action :create
 end
 
 python_virtualenv "isolated python environment" do
   path "/tmp/tobedestroyed"
-  interpreter "python"
   action :create
 end