def formatTraceback(self, err):
"""Used to format the traceback on test fail or error.
``err`` is the output of ``sys.exc_info()`` for the failure.
``formatTraceback`` returns a string.
"""
return formatTraceback(self, err)
def _exc_info_to_string(self, err, test):
formatTraceback = getattr(test, 'formatTraceback', None)
if formatTraceback is not None:
traceback = test.formatTraceback(err)
else:
traceback = util.formatTraceback(test, err)
msgLines = []
if self.buffer:
output = sys.stdout.getvalue()
error = sys.stderr.getvalue()
if output:
if not output.endswith('\n'):
output += '\n'
msgLines.append(STDOUT_LINE % output)
if error:
if not error.endswith('\n'):
error += '\n'
msgLines.append(STDERR_LINE % error)
return traceback + ''.join(msgLines)