From c02b226cab5d82bd09b3b77bdc6d079351046b82 Mon Sep 17 00:00:00 2001
From: PrajaktaPurohit <prajakta@opscode.com>
Date: Thu, 25 Oct 2012 12:03:01 -0700
Subject: [PATCH] Adding whyrun support to python LWRP.

---
 providers/pip.rb        | 31 ++++++++++++++++++++-----------
 providers/virtualenv.rb | 13 ++++++++++---
 2 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/providers/pip.rb b/providers/pip.rb
index 1c58e5e..9851fbf 100644
--- a/providers/pip.rb
+++ b/providers/pip.rb
@@ -22,6 +22,10 @@
 require 'chef/mixin/language'
 include Chef::Mixin::ShellOut
 
+def whyrun_supported?
+  true
+end
+
 # the logic in all action methods mirror that of
 # the Chef::Provider::Package which will make
 # refactoring into core chef easy
@@ -42,10 +46,11 @@
   end
 
   if install_version
-    Chef::Log.info("Installing #{@new_resource} version #{install_version}")
-    status = install_package(@new_resource.package_name, install_version, timeout)
-    if status
-      @new_resource.updated_by_last_action(true)
+    description = []
+    description << "install package #{@new_resource} version #{install_version}"
+    converge_by(description) do
+       Chef::Log.info("Installing #{@new_resource} version #{install_version}")
+       status = install_package(@new_resource.package_name, install_version, timeout)
     end
   end
 end
@@ -59,10 +64,11 @@
 
   if @current_resource.version != candidate_version
     orig_version = @current_resource.version || "uninstalled"
-    Chef::Log.info("Upgrading #{@new_resource} version from #{orig_version} to #{candidate_version}")
-    status = upgrade_package(@new_resource.package_name, candidate_version, timeout)
-    if status
-      @new_resource.updated_by_last_action(true)
+    description = []
+    description << "upgrade #{@current_resource} version from #{@current_resource.version} to #{candidate_version}"
+    converge_by(description) do
+       Chef::Log.info("Upgrading #{@new_resource} version from #{orig_version} to #{candidate_version}")
+       status = upgrade_package(@new_resource.package_name, candidate_version, timeout)
     end
   end
 end
@@ -75,9 +81,12 @@
   end
 
   if removing_package?
-    Chef::Log.info("Removing #{@new_resource}")
-    remove_package(@current_resource.package_name, @new_resource.version, timeout)
-    @new_resource.updated_by_last_action(true)
+    description = []
+    description << "remove package #{@new_resource}"
+    converge_by(description) do
+       Chef::Log.info("Removing #{@new_resource}")
+       remove_package(@current_resource.package_name, @new_resource.version, timeout)
+    end
   else
   end
 end
diff --git a/providers/virtualenv.rb b/providers/virtualenv.rb
index d10f099..161359b 100644
--- a/providers/virtualenv.rb
+++ b/providers/virtualenv.rb
@@ -22,6 +22,10 @@
 require 'chef/mixin/language'
 include Chef::Mixin::ShellOut
 
+def whyrun_supported?
+  true
+end
+
 action :create do
   unless exists?
     Chef::Log.info("Creating virtualenv #{@new_resource} at #{@new_resource.path}")
@@ -35,9 +39,12 @@
 
 action :delete do
   if exists?
-    Chef::Log.info("Deleting virtualenv #{@new_resource} at #{@new_resource.path}")
-    FileUtils.rm_rf(@new_resource.path)
-    new_resource.updated_by_last_action(true)
+    description = []
+    description << "delete virtualenv #{@new_resource} at #{@new_resource.path}"
+    converge_by(description) do
+       Chef::Log.info("Deleting virtualenv #{@new_resource} at #{@new_resource.path}")
+       FileUtils.rm_rf(@new_resource.path)
+    end
   end
 end