add Python.org 3.3

Casks/python33.rb

@@ -0,0 +1,21 @@
+cask :v1 => 'python33' do
+  version '3.3.5'
+  sha256 '7e59f823f82da5ec7e2af4449a5e33c09f5b755a8acd9cec98371da8c2b2b52b'
+
+  url "https://www.python.org/ftp/python/#{version}/python-#{version}-macosx10.6.dmg"
+  homepage 'http://www.python.org/'
+  license :oss
+
+  pkg 'Python.mpkg'
+
+  # todo there seems to be a nonstandard installation receipt at
+  # /Library/Receipts/PythonApplications-3.3.pkg/Contents/Archive.bom
+  # which :pkgutil does not know how to find
+  uninstall :delete => [
+                        "/Library/Receipts/Python*-#{version.slice(/\d+\.\d+/)}.pkg",
+                        "/Applications/Python #{version.slice(/\d+\.\d+/)}",
+                        "/Library/Frameworks/Python.Framework/Versions/#{version.slice(/\d+\.\d+/)}",
+                        "/Library/Python/#{version.slice(/\d+\.\d+/)}",
+                       ]
+  zap :delete => "~/Library/Python/#{version.slice(/\d+\.\d+/)}"
+end