speed.py 文件源码

def predict_speed(self):
        labels = self.predict_speed_raw()
        digits = set("0123456789")
        result = []
        for label in labels:
            if label is None:
                return None
            for c in label:
                if c in digits:
                    result.append(c)
        if len(result) == 0:
            return None
        else:
            return int("".join(result))