Update CAS.py

CAS.py

@@ -59,6 +59,39 @@ _HOMEPAGE = "https://clementdalloux.fr/?page_id=28"
 
 _LICENSE = 'Data User Agreement'
 
+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 CAS(datasets.GeneratorBasedBuilder):
 
     DEFAULT_CONFIG_NAME = "pos_spec"
@@ -86,6 +119,11 @@ class CAS(datasets.GeneratorBasedBuilder):
                     "pos_tags": [datasets.features.ClassLabel(
                         names = ['B-INT', 'B-PRO:DEM', 'B-VER:impf', 'B-VER:ppre', 'B-PRP:det', 'B-KON', 'B-VER:pper', 'B-PRP', 'B-PRO:IND', 'B-VER:simp', 'B-VER:con', 'B-SENT', 'B-VER:futu', 'B-PRO:PER', 'B-VER:infi', 'B-ADJ', 'B-NAM', 'B-NUM', 'B-PUN:cit', 'B-PRO:REL', 'B-VER:subi', 'B-ABR', 'B-NOM', 'B-VER:pres', 'B-DET:ART', 'B-VER:cond', 'B-VER:subp', 'B-DET:POS', 'B-ADV', 'B-SYM', 'B-PUN'],
                     )],
+                    "is_oov": datasets.Sequence(
+                        datasets.features.ClassLabel(
+                            names=['is_not_oov', 'is_oov'],
+                        ),
+                    ),
                 }
             )
         
@@ -120,6 +158,11 @@ class CAS(datasets.GeneratorBasedBuilder):
                     "ner_tags": [datasets.features.ClassLabel(
                         names = names,
                     )],
+                    "is_oov": datasets.Sequence(
+                        datasets.features.ClassLabel(
+                            names=['is_not_oov', 'is_oov'],
+                        ),
+                    ),
                 }
             )
 
@@ -249,6 +292,7 @@ class CAS(datasets.GeneratorBasedBuilder):
                             "tokens": tokens,
                             "lemmas": text_lemmas,
                             "pos_tags": pos_tags,
+                            "is_oov": [_VOCAB.find(tt.lower()) for tt in tokens],
                         })
                         unique_id_doc.append(doc_id)
 
@@ -308,6 +352,7 @@ class CAS(datasets.GeneratorBasedBuilder):
                         "tokens": tokens,
                         "lemmas": text_lemmas,
                         "ner_tags": ner_tags,
+                        "is_oov": [_VOCAB.find(tt.lower()) for tt in tokens],
                     })
 
                     key += 1