LAMBO segmentation prototype.

combo/predict.py

@@ -59,7 +59,11 @@ class COMBO(predictor.Predictor):
 
     def predict(self, sentence: Union[str, List[str], List[List[str]], List[data.Sentence]]):
         if isinstance(sentence, str):
-            return self.predict_json({"sentence": sentence})
+            if isinstance(self._tokenizer,lambo.LamboTokenizer):
+                segmented = self._tokenizer.segment(sentence)
+                return self.predict(segmented)
+            else:
+                return self.predict_json({"sentence": sentence})
         elif isinstance(sentence, list):
             if len(sentence) == 0:
                 return []

combo/utils/lambo.py

@@ -2,12 +2,31 @@ from typing import List
 
 from allennlp.data.tokenizers.tokenizer import Tokenizer
 from allennlp.data.tokenizers.token_class import Token
+from lambo.segmenter.lambo import Lambo
 
 class LamboTokenizer(Tokenizer):
 
-    def __init__(self, language: str = "??",) -> None:
-        self.language = language
+    def __init__(self, model: str = "en",) -> None:
+        self.lambo=Lambo.get(model)
 
+    # Simple tokenisation: ignoring sentence split
     def tokenize(self, text: str) -> List[Token]:
-        #TODO
-        return None
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+        result=[]
+        document = self.lambo.segment(text)
+        for turn in document.turns:
+            for sentence in turn.sentences:
+                for token in sentence.tokens:
+                    result.append(Token(token.text))
+        return result
+    
+    # Full segmentation: divide into sentences and tokens
+    def segment(self, text: str) -> List[List[Token]]:
+        result = []
+        document = self.lambo.segment(text)
+        for turn in document.turns:
+            for sentence in turn.sentences:
+                resultS=[]
+                for token in sentence.tokens:
+                    resultS.append(Token(token.text))
+                result.append(resultS)
+        return result
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