code.py 文件源码

def exconly(self, tryshort=False):
        """ return the exception as a string

            when 'tryshort' resolves to True, and the exception is a
            py.code._AssertionError, only the actual exception part of
            the exception representation is returned (so 'AssertionError: ' is
            removed from the beginning)
        """
        lines = format_exception_only(self.type, self.value)
        text = ''.join(lines)
        text = text.rstrip()
        if tryshort:
            if text.startswith(self._striptext):
                text = text[len(self._striptext):]
        return text