188         raise error.Abort(k, hint="please check your locale settings")

   188         raise error.Abort(k, hint="please check your locale settings")

   189 

   189 

   190 def upper(s):

   190 def upper(s):

   191     "best-effort encoding-aware case-folding of local string s"

   191     "best-effort encoding-aware case-folding of local string s"

   192     try:

   192     try:

   193         if isinstance(s, localstr):

   198         if isinstance(s, localstr):

   194             u = s._utf8.decode("utf-8")

   199             u = s._utf8.decode("utf-8")

   195         else:

   200         else:

   196             u = s.decode(encoding, encodingmode)

   201             u = s.decode(encoding, encodingmode)

   197 

   202