+
+ def encode(self, s):
+ if isinstance(s, bytes):
+ return s # Already encoded
+
+ try:
+ return s.encode(self.get_encoding())
+ except UnicodeEncodeError as err:
+ err.reason = err.reason + '. Check your system encoding configuration or use the --encoding option.'
+ raise
+
+ def get_encoding(self):
+ encoding = self.params.get('encoding')
+ if encoding is None:
+ encoding = preferredencoding()
+ return encoding