Change default translation for py2 in RDO

RDO does not have python2-foo packages for everything but python2-foo
packages usually Provides python-foo packages. So change the default
translation for python2 packages to python-foo (instead of
python2-foo).

Change-Id: I51cacf2de8fd108b224f442bd760fa8ba43daec9

pymod2pkg/__init__.py

@@ -79,7 +79,7 @@ def default_rdo_tr(mod):
     pkg = pkg.replace('_', '-').replace('.', '-').lower()
     if not pkg.startswith('python-'):
         pkg = 'python-' + pkg
-    py2pkg = re.sub('python', 'python2', pkg)
+    py2pkg = pkg
     py3pkg = re.sub('python', 'python3', pkg)
     return (pkg, py2pkg, py3pkg)
 

tests.py

@@ -150,7 +150,11 @@ def test_translation_py2py3_ubuntu(self):
     def test_default_translation_py2py3_rdo(self):
         self.assertEqual(pymod2pkg.module2package('oslo.db', 'fedora',
                          py_vers=['py2', 'py3']),
-                         ['python2-oslo-db', 'python3-oslo-db'])
+                         ['python-oslo-db', 'python3-oslo-db'])
+        self.assertEqual(pymod2pkg.module2package('foobar', 'fedora',
+                         py_vers=['py', 'py2', 'py3']),
+                         ['python-foobar', 'python-foobar', 'python3-foobar'])
+
         self.assertEqual(pymod2pkg.module2package('Babel', 'fedora',
                          py_vers=['py2', 'py3']),
                          ['python-babel', 'python3-babel'])