def bleu()

in src/open-r1-multimodal/src/open_r1/grpo_rec.py [0:0]

• 7 lines of code
• 1 McCabe index (conditional complexity)

def bleu(prediction, reference):
    prediction = re.sub(r'[^\sa-zA-Z0-9]', '', prediction)
    reference = re.sub(r'[^\sa-zA-Z0-9]', '', reference)
    reference = [reference.split()]
    # 机器翻译结果
    prediction = prediction.split()
    bleu_score = sentence_bleu(reference, prediction, weights=(0.5,0.5))
    return bleu_score