Update Genome_database.py

Genome_database.py

@@ -16,11 +16,11 @@ class GenomeDatasetConfig(datasets.BuilderConfig):
             **kwargs: keyword arguments forwarded to super.
         """
         super().__init__(**kwargs)
-        self.num_urls = num_urls if num_urls is not None else 937 # default value
+        self.num_urls = num_urls
 
 class GenomeDataset(datasets.GeneratorBasedBuilder):
-    BUILDER_CONFIG_CLASS = GenomeDatasetConfig
     VERSION = datasets.Version("1.1.0")
+    BUILDER_CONFIG_CLASS = GenomeDatasetConfig
     
     def _info(self):
         return datasets.DatasetInfo(
@@ -40,25 +40,24 @@ class GenomeDataset(datasets.GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager: datasets.DownloadManager) -> List[datasets.SplitGenerator]:
-      urls_filepath = dl_manager.download_and_extract('urlfile.txt')
-      with open(urls_filepath) as urls_file:
-        downloaded_files = [line.rstrip() for line in urls_file]
-      
-      downloaded_files = downloaded_files[:self.config.num_urls]
-      
-      train_files = downloaded_files[:int(len(downloaded_files) * 0.8)] # first 80% for training
-      test_files = downloaded_files[int(len(downloaded_files) * 0.8):]  # last 20% for testing
+        urls_filepath = dl_manager.download_and_extract('urlfile.txt')
+        with open(urls_filepath) as urls_file:
+            downloaded_files = [line.rstrip() for line in urls_file]
+        if self.config.num_urls is not None:
+            downloaded_files = downloaded_files[:self.config.num_urls]
+        train_files = downloaded_files[:int(len(downloaded_files) * 0.8)] # first 80% for training
+        test_files = downloaded_files[int(len(downloaded_files) * 0.8):]  # last 20% for testing
 
-      return [
-          datasets.SplitGenerator(
-              name=datasets.Split.TRAIN,
-              gen_kwargs={"filepaths": train_files}
-          ),
-          datasets.SplitGenerator(
-              name=datasets.Split.TEST,
-              gen_kwargs={"filepaths": test_files}
-          )
-      ]
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={"filepaths": train_files}
+            ),
+            datasets.SplitGenerator(
+                name=datasets.Split.TEST,
+                gen_kwargs={"filepaths": test_files}
+            )
+        ]
 
     def _generate_examples(self, filepaths: List[str]) -> Tuple[str, Dict[str, Any]]:
         split_regex = re.compile('-')
@@ -113,5 +112,6 @@ class GenomeDataset(datasets.GeneratorBasedBuilder):
                                     'start_postion': start_position,
                                     'end_position': end_position
                                 }
-                                id_+= 1
+                                id_ += 1
+