raise error for 'book' config in script

RedPajama-Data-1T.py

@@ -19,6 +19,7 @@
 import json
 
 import datasets
+from datasets.exceptions import DefunctDatasetError
 import traceback
 import os
 
@@ -31,7 +32,6 @@ RedPajama is a clean-room, fully open-source implementation of the LLaMa dataset
 
 _URL_LISTS = {
     "arxiv": "urls/arxiv.txt",
-    "book": "urls/book.txt",
     "c4": "urls/c4.txt",
     "common_crawl": "urls/common_crawl.txt",
     "github": "urls/github.txt",
@@ -60,7 +60,7 @@ class RedPajama1T(datasets.GeneratorBasedBuilder):
     BUILDER_CONFIGS = [
         RedPajama1TConfig(
             name = 'default',
-            subsets = list(_URL_LISTS.keys()),
+            subsets = list(_URL_LISTS) + ["book"],
             version=datasets.Version("1.0.0", ""),
             description="RedPajama1T",
         ),
@@ -129,10 +129,15 @@ class RedPajama1T(datasets.GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager):
+        if self.config.name == "book":
+            raise DefunctDatasetError(
+                "The 'book' config is defunct and no longer accessible due to reported copyright infringement. "
+            )
+        subsets = [subset for subset in self.config.subsets if subset != "book"]
+
         url_lists = dl_manager.download_and_extract({
-            subset: _URL_LISTS[subset] for subset in self.config.subsets
+            subset: _URL_LISTS[subset] for subset in subsets
         })
-
         urls = {}
 
         for subset, url_list in url_lists.items():
@@ -158,7 +163,7 @@ class RedPajama1T(datasets.GeneratorBasedBuilder):
                 gen_kwargs = {
                     "files": {
                         subset: downloaded_files[subset]
-                        for subset in self.config.subsets
+                        for subset in subsets
                     }
                 }
             )