Update Genome_database.py

Genome_database.py

@@ -6,7 +6,13 @@ import os
 import gzip
 import re
 
+class GenomeDatasetConfig(datasets.BuilderConfig):
+    def __init__(self, num_urls=None, **kwargs):
+        super(GenomeDatasetConfig, self).__init__(**kwargs)
+        self.num_urls = num_urls if num_urls is not None else 937 # default value
+
 class GenomeDataset(datasets.GeneratorBasedBuilder):
+    BUILDER_CONFIG_CLASS = GenomeDatasetConfig
     VERSION = datasets.Version("1.1.0")
     
     def _info(self):
@@ -30,6 +36,9 @@ class GenomeDataset(datasets.GeneratorBasedBuilder):
       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
 
@@ -98,3 +107,4 @@ class GenomeDataset(datasets.GeneratorBasedBuilder):
                                     'end_position': end_position
                                 }
                                 id_+= 1
+