Update wiki_dpr.py

wiki_dpr.py

@@ -32,11 +32,6 @@ The wikipedia articles were split into multiple, disjoint text blocks of 100 wor
 
 _LICENSE = """DPR is CC-BY-NC 4.0 licensed."""
 
-_DATA_URL = "https://dl.fbaipublicfiles.com/dpr/wikipedia_split/psgs_w100.tsv.gz"
-
-_NQ_VECTORS_URL = "https://dl.fbaipublicfiles.com/dpr/data/wiki_encoded/single/nq/wiki_passages_{i}"
-
-_MULTISET_VECTORS_URL = "https://dl.fbaipublicfiles.com/rag/rag_multiset_embeddings/wiki_passages_{i}"
 
 _DATA_TO_NUM_SHARDS = {
     "nq": 157,
@@ -135,6 +130,7 @@ class WikiDpr(datasets.ArrowBasedBuilder):
             supervised_keys=None,
             homepage="https://github.com/facebookresearch/DPR",
             citation=_CITATION,
+            license=_LICENSE,
         )
 
     def _split_generators(self, dl_manager):
@@ -166,21 +162,8 @@ class WikiDpr(datasets.ArrowBasedBuilder):
     def _download_post_processing_resources(self, split, resource_name, dl_manager):
         if resource_name == "embeddings_index":
             try:
-                embeddings_name = self.config.embeddings_name
-                if self.config.dummy:
-                    embeddings_name = "dummy." + embeddings_name
-                index_file = os.path.join(
-                    "data",
-                    self.config.wiki_split,
-                    self.config.embeddings_name,
-                    (
-                        "HNSW128_SQ8-IP-{split}.faiss"
-                        if self.config.index_name == "exaxt"
-                        else "IVF4096_HNSW128_PQ128-IP-{split}.faiss"
-                    ).format(split=split)
-                )
                 downloaded_resources = dl_manager.download_and_extract(
-                    {"embeddings_index": index_file}
+                    {"embeddings_index":  os.path.join("index", self.config.index_file.format(split=split))}
                 )
                 return downloaded_resources["embeddings_index"]
             except (FileNotFoundError, ConnectionError):  # index doesn't exist