Modernize code for easier Python 3 port

- Replace print statement with function call
- Replace except ..., ...: syntax with except ... as ...:
- Simplify obsolete try ... except ... code block
- Replace some unicode calls with u-prefixed strings
- Do not use `len(SEQUENCE)` to determine if a sequence is empty
- Replace dictionary creation
- Drop support for GObject static bindings

whipper/test/test_common_program.py

@@ -15,9 +15,8 @@ class PathTestCase(unittest.TestCase):
 
         path = prog.getPath(u'/tmp', DEFAULT_DISC_TEMPLATE,
                             'mbdiscid', None)
-        self.assertEqual(path,
-                         unicode('/tmp/unknown/Unknown Artist - mbdiscid/'
-                                 'Unknown Artist - mbdiscid'))
+        self.assertEqual(path, (u'/tmp/unknown/Unknown Artist - mbdiscid/'
+                                u'Unknown Artist - mbdiscid'))
 
     def testStandardTemplateFilled(self):
         prog = program.Program(config.Config())
@@ -27,9 +26,8 @@ class PathTestCase(unittest.TestCase):
 
         path = prog.getPath(u'/tmp', DEFAULT_DISC_TEMPLATE,
                             'mbdiscid', md, 0)
-        self.assertEqual(path,
-                         unicode('/tmp/unknown/Jeff Buckley - Grace/'
-                                 'Jeff Buckley - Grace'))
+        self.assertEqual(path, (u'/tmp/unknown/Jeff Buckley - Grace/'
+                                u'Jeff Buckley - Grace'))
 
     def testIssue66TemplateFilled(self):
         prog = program.Program(config.Config())