Update lynx.py

lynx.py

@@ -1,4 +1,4 @@
-"""Lynx"""
+"""BT11"""
 
 import datasets
 import pandas as pd
@@ -34,7 +34,8 @@ class Lynx(datasets.GeneratorBasedBuilder):
                 {
                     "index": datasets.Value("int32"),
                     "identifier": datasets.Value("string"),
-                    "segmentation": datasets.Value("string")
+                    "segmentation": datasets.Value("string"),
+                    "expansion": datasets.Value("string")
                 }
             ),
             supervised_keys=None,
@@ -50,14 +51,31 @@ class Lynx(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, filepath):
 
+        def get_segmentation(needle, haystack):
+            output = ""
+            haystack = iter(haystack)
+            for char in needle:
+                while True:
+                    try:
+                        next_char = next(haystack)
+                        if next_char == char:
+                            output += next_char
+                            break
+                        elif next_char.isspace():
+                            output += next_char
+                    except StopIteration:
+                        break
+            return output
+
         with open(filepath, "r") as f:
 
             for idx, line in enumerate(f):
                 fields = line.split(":")
                 identifier = fields[0].strip()
-                segmentation = fields[1].strip()
+                expansion = fields[1].strip()
                 yield idx, {
                     "index": idx,
                     "identifier": identifier,
-                    "segmentation": segmentation
+                    "segmentation": get_segmentation(identifier, expansion),
+                    "expansion": expansion
                 }