compare.py 文件源码

def __str__(self):
        if self.base.get_nvalue() > 1:
            values = (self.base.mean(), self.base.stdev(),
                      self.changed.mean(), self.changed.stdev())
            text = "%s +- %s -> %s +- %s" % self.base.format_values(values)

            msg = significant_msg(self.base, self.changed)
            delta_avg = quantity_delta(self.base, self.changed)
            return ("Mean +- std dev: %s: %s\n%s"
                    % (text, delta_avg, msg))
        else:
            format_value = self.base.format_value
            base = self.base.mean()
            changed = self.changed.mean()
            delta_avg = quantity_delta(self.base, self.changed)
            return ("%s -> %s: %s"
                    % (format_value(base),
                       format_value(changed),
                       delta_avg))