Update Graptolodiea-Speciemens_Imaging.py

Graptolodiea-Speciemens_Imaging.py

@@ -1,7 +1,11 @@
 """Graptoloidea Specimens dataset."""
 
-import csv
-import
+import os
+import random
+from typing import List
+import datasets
+import pandas as pd
+import numpy as np
 
 _CITATION = """\
 
@@ -28,9 +32,9 @@ _HOMEPAGE = "https://zenodo.org/records/6194943"
 _license = ""
 
 
-_URL = ""
 _URLS = {
-    
+    "part1": "https://zenodo.org/records/6194943/files/graptolite%20specimens%20with%20scale.zip.001?download=1",
+    "part2": "https://zenodo.org/records/6194943/files/graptolite%20specimens%20with%20scale.zip.002?download=1",
 }
 
 
@@ -60,7 +64,32 @@ class GraptoloideaSpecimensDataset(datasets.GeneratorBasedBuilder):
         citation=_CITATION,
     )
 
+    def _split_generators(self, dl_manager: datasets.DownloadManager) -> List[datasets.SplitGenerator]:
+        downloaded_files = dl_manager.download(_URLS)
+        combined_zip_path = os.path.join(dl_manager.manual_dir, 'combined.zip')
+        with open(combined_zip_path, 'wb') as f_out:
+            for part in ['part1', 'part2']:
+                with open(downloaded_files[part], 'rb') as f_in:
+                    f_out.write(f_in.read())
+        with zipfile.ZipFile(combined_zip_path, 'r') as zip_ref:
+            zip_ref.extractall(dl_manager.manual_dir)
+        all_files = [os.path.join(dl_manager.manual_dir, f) for f in os.listdir(dl_manager.manual_dir) 
+                     if os.path.isfile(os.path.join(dl_manager.manual_dir, f))]
+        random.shuffle(all_files)
+        split_index = int(0.8 * len(all_files))  
+        train_files = all_files[:split_index]
+        validation_files = all_files[split_index:]
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={"filepath": train_files}),
+            datasets.SplitGenerator(
+                name=datasets.Split.VALIDATION,
+                gen_kwargs={"filepath": validation_files}),
+        ]
 
+    
+