add multi_score class

Former-commit-id: a95f5caddd586793698248cdc560848016f5e5cf

evaluation/scores/multi_score.py

@@ -0,0 +1,15 @@
+from comet import download_model, load_from_checkpoint
+from sacrebleu.metrics import BLEU, CHRF, TER
+import LLM_eval
+
+class multiScore:
+    def __init__(self) -> None:
+        self.comet_model = load_from_checkpoint(download_model("Unbabel/wmt22-comet-da"))
+        self.bleu_model = BLEU()
+        self.LLM_model = LLM_eval.init_evaluator()
+
+    def get(self, src, mt, ref):
+        comet_score = self.comet_model.predict([{"src":src, "mt":mt, "ref":ref}], batch_size=8, gpus=0)
+        bleu_score = self.bleu_model.corpus_score(mt, ref)
+        LLM_score = LLM_eval.evaluate_prediction(src, ref, mt, self.LLM_model)
+