workaround for gettext parser bug

rakefile

@@ -337,12 +337,6 @@ task :migrate, [:env] do |t, args|
     sh(django_admin(:lms, args.env, 'migrate'))
 end
 
-desc "Run tests for the internationalization library"
-task :test_i18n do
-  test = File.join(REPO_ROOT, "i18n", "tests")
-  sh("nosetests #{test}")
-end
-
 Dir["common/lib/*"].select{|lib| File.directory?(lib)}.each do |lib|
     task_name = "test_#{lib}"
 
@@ -516,27 +510,49 @@ end
 
 # --- Internationalization tasks
 
-desc "Extract localizable strings from sources"
-task :extract_dev_strings do
-  sh(File.join(REPO_ROOT, "i18n", "extract.py"))
-end
+namespace :i18n do
 
-desc "Compile localizable strings from sources. With optional flag 'extract', will extract strings first."
-task :generate_i18n do
-  if ARGV.last.downcase == 'extract'
-    Rake::Task["extract_dev_strings"].execute
+  desc "Extract localizable strings from sources"
+  task :extract do
+    sh(File.join(REPO_ROOT, "i18n", "extract.py"))
   end
-  sh(File.join(REPO_ROOT, "i18n", "generate.py"))
-end
 
-desc "Simulate international translation by generating dummy strings corresponding to source strings."
-task :dummy_i18n do
-  source_files = Dir["#{REPO_ROOT}/conf/locale/en/LC_MESSAGES/*.po"]
-  dummy_locale = 'fr'
-  cmd = File.join(REPO_ROOT, "i18n", "make_dummy.py")
-  for file in source_files do
-    sh("#{cmd} #{file} #{dummy_locale}")
+  desc "Compile localizable strings from sources. With optional flag 'extract', will extract strings first."
+  task :generate do
+    if ARGV.last.downcase == 'extract'
+      Rake::Task["i18n:extract"].execute
+    end
+    sh(File.join(REPO_ROOT, "i18n", "generate.py"))
   end
+
+  desc "Simulate international translation by generating dummy strings corresponding to source strings."
+  task :dummy do
+    source_files = Dir["#{REPO_ROOT}/conf/locale/en/LC_MESSAGES/*.po"]
+    dummy_locale = 'fr'
+    cmd = File.join(REPO_ROOT, "i18n", "make_dummy.py")
+    for file in source_files do
+      sh("#{cmd} #{file} #{dummy_locale}")
+    end
+  end
+
+  namespace :transifex do
+    desc "Push source strings to Transifex for translation"
+    task :push do
+      sh("tx push -s")
+    end
+
+    desc "Pull transated strings from Transifex"
+    task :pull do
+      sh("tx pull")
+    end
+  end
+
+  desc "Run tests for the internationalization library"
+  task :test do
+    test = File.join(REPO_ROOT, "i18n", "tests")
+    sh("nosetests #{test}")
+  end
+
 end
 
 # --- Develop and public documentation ---