Update DEFT2021.py

DEFT2021.py

@@ -41,6 +41,39 @@ _SPECIALITIES = ['immunitaire', 'endocriniennes', 'blessures', 'chimiques', 'eta
 
 _LABELS_BASE = ['anatomie', 'date', 'dose', 'duree', 'examen', 'frequence', 'mode', 'moment', 'pathologie', 'sosy', 'substance', 'traitement', 'valeur']
 
+class StringIndex:
+
+    def __init__(self, vocab):
+
+        self.vocab_struct = {}
+
+        print("Start building the index!")
+        for t in vocab:
+
+            if len(t) == 0:
+                continue
+
+            # Index terms by their first letter and length
+            key = (t[0], len(t))
+
+            if (key in self.vocab_struct) == False:
+                self.vocab_struct[key] = []
+            
+            self.vocab_struct[key].append(t)
+
+        print("Finished building the index!")
+
+    def find(self, t):
+        
+        key = (t[0], len(t))
+        
+        if (key in self.vocab_struct) == False:
+            return "is_oov"
+        
+        return "is_not_oov" if t in self.vocab_struct[key] else "is_oov"
+
+_VOCAB = StringIndex(vocab=open("./vocabulary_nachos_lowercased.txt","r").read().split("\n"))
+
 class DEFT2021(datasets.GeneratorBasedBuilder):
 
     DEFAULT_CONFIG_NAME = "ner"
@@ -65,6 +98,11 @@ class DEFT2021(datasets.GeneratorBasedBuilder):
                     "specialities_one_hot": datasets.Sequence(
                         datasets.Value("float"),
                     ),
+                    "is_oov": datasets.Sequence(
+                        datasets.features.ClassLabel(
+                            names=['is_not_oov', 'is_oov'],
+                        ),
+                    ),
                 }
             )
 
@@ -624,6 +662,7 @@ class DEFT2021(datasets.GeneratorBasedBuilder):
                                 "document_id": h['document_id'],
                                 "tokens": h['tokens'],
                                 "ner_tags": h['ner_tags'],
+                                "is_oov": [_VOCAB.find(tt) for tt in h['tokens']]
                             })
 
                             key += 1