added dataset feature

docbank.py

@@ -66,6 +66,7 @@ _FEATURES = datasets.Features(
         # "fonts": datasets.Sequence(datasets.Value("string")),
         #"image": datasets.Array3D(shape=(3, 224, 224), dtype="uint8"),
         "original_image": datasets.features.Image(),
+        "dataset": datasets.Value("string"),
         #"labels": datasets.Sequence(feature=datasets.Value(dtype='int64'))
         "labels": datasets.Sequence(datasets.features.ClassLabel(
             names=['abstract', 'author', 'caption', 'equation', 'figure', 'footer', 'paragraph',
@@ -224,6 +225,7 @@ class Docbank(datasets.GeneratorBasedBuilder):
         # print(filepath)
         key = 0
         for f_fp_txt, f_fp_img in filepath:
+            dataset = f_fp_txt.split(".")[-2].split("_")[-1]
             #print(f_fp_txt)
             f_id = key
             #f_fp_txt = f['filepath_txt']
@@ -299,6 +301,7 @@ class Docbank(datasets.GeneratorBasedBuilder):
                 # "fonts": split_fonts,
                 #"image": image,
                 "original_image": original_image,
+                "dataset": dataset,
                 "labels": labels
             }
             key += 1