Rollback ui.print_() auto-conv of args to string

Since this raises problems the best is probably to maintain the base
behaviour: expect byte strings or unicodes.

beets/ui/__init__.py

@@ -102,12 +102,6 @@ def print_(*strings):
     either bytes or unicode.
     """
     if strings:
-        if not isinstance(strings[0], basestring):
-            try:
-                strings = map(unicode, strings)
-            except UnicodeError:
-                strings = map(bytes, strings)
-
         if isinstance(strings[0], unicode):
             txt = u' '.join(strings)
         else:
@@ -571,7 +565,7 @@ def show_model_changes(new, old=None, fields=None, always=False):
 
     # Print changes.
     if changes or always:
-        print_(old)
+        print_(format(old))
     if changes:
         print_(u'\n'.join(changes))
 

beets/ui/commands.py

@@ -994,7 +994,7 @@ def update_items(lib, query, album, move, pretend):
         for item in items:
             # Item deleted?
             if not os.path.exists(syspath(item.path)):
-                ui.print_(item)
+                ui.print_(format(item))
                 ui.print_(ui.colorize('red', u'  deleted'))
                 if not pretend:
                     item.remove(True)