Fix urlparse in cookbook for python3

Use the python `six` library to realize the compatibility of `urlparse` in python2 and python3

See merge request nexedi/slapos!1138

slapos/recipe/_urlparse.py

@@ -24,7 +24,7 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #
 ##############################################################################
-from urlparse import urlparse
+from six.moves.urllib.parse import urlparse
 
 from slapos.recipe.librecipe import GenericBaseRecipe
 

slapos/test/recipe/test_urlparse.py

+import unittest
+import zc.buildout.testing
+
+class UrlparseTest(unittest.TestCase):
+  def setUp(self):
+    self.buildout = buildout = zc.buildout.testing.Buildout()
+    buildout['urlinfo'] = {}
+    buildout['urlinfo']['url'] = "http://www.google.com/search?hl=en&q=urlparse&btnG=Google+Search"
+    from slapos.recipe import _urlparse
+    self.recipe = _urlparse.Recipe(buildout,"urlinfo",buildout['urlinfo'])
+
+  def test_options(self):
+    buildout = self.buildout
+    self.assertTrue(buildout['urlinfo'])
+    self.assertEqual(buildout['urlinfo']['path'], 'search')
+    self.assertEqual(buildout['urlinfo']['scheme'], 'http')
+    self.assertEqual(buildout['urlinfo']['host'], 'www.google.com')
+    self.assertEqual(buildout['urlinfo']['query'], 'hl=en&q=urlparse&btnG=Google+Search')
+
+  def test_install(self):
+    self.assertEqual(self.recipe.install(), [])