+ def report_error(self, message, tb=None):
+ '''
+ Do the same as trouble, but prefixes the message with 'ERROR:', colored
+ in red if stderr is a tty file.
+ '''
+ if sys.stderr.isatty():
+ _msg_header = u'\033[0;31mERROR:\033[0m'
+ else:
+ _msg_header = u'ERROR:'
+ error_message = u'%s %s' % (_msg_header, message)
+ self.trouble(error_message, tb)
+