update for streaming

nld-aa-taster.py

@@ -20,7 +20,7 @@ import json
 import os
 import datasets
 
-# from datasets.download.streaming_download_manager import xopen
+from datasets.download.streaming_download_manager import xopen
 
 _CITATION = """\
 """
@@ -34,21 +34,11 @@ _HOMEPAGE = ""
 _LICENSE = ""
 
 
-# _TOTAL_EPISODES = 1934
-# _URLS = {
-#     "data": [f"data/{i}.hdf5" for i in range(1, _TOTAL_EPISODES)],
-#     "metadata": ["metadata.json"],
-# }
-
-class NleHfDataset(datasets.GeneratorBasedBuilder):
+class NLEDataset(datasets.GeneratorBasedBuilder):
     """Dungeons and Data: A Large-Scale NetHack Dataset."""
     VERSION = datasets.Version("1.0.0")
-
-    # BUILDER_CONFIGS = [
-    #     datasets.BuilderConfig(name="data", version=VERSION, description="Data for all episodes"),
-    #     datasets.BuilderConfig(name="metadata", version=VERSION, description="Metadata for all episodes"),
-    # ]
-    # DEFAULT_CONFIG_NAME = "metadata"
+    
+    DEFAULT_CONFIG_NAME = "mon-hum-neu"
 
     def _info(self):
         features = datasets.Features(
@@ -116,11 +106,14 @@ class NleHfDataset(datasets.GeneratorBasedBuilder):
         ]
 
     def _generate_examples(self, data_file, metadata_file, dl_manager):
-        with h5py.File(data_file, "r") as df, open(metadata_file, "r") as f:
+        if dl_manager.is_streaming:
+            data_file = xopen(data_file, "rb")
+
+        with h5py.File(data_file, "r") as df, xopen(metadata_file, "r") as f:
+            # this thing is super small, so we will load it all
             meta = json.load(f)
 
             for i, (ep_key, ep_meta) in enumerate(zip(df["/"], meta)):
-                print(ep_key, ep_meta["gameid"])
                 assert int(ep_key) == int(ep_meta["gameid"])
 
                 yield i, {
@@ -135,35 +128,6 @@ class NleHfDataset(datasets.GeneratorBasedBuilder):
                     "metadata": ep_meta
                 }
 
-    #     if self.config.name == "metadata":
-    #         assert len(filepaths) == 1
-    #         assert not dl_manager.is_streaming
-    #         yield from self.__generate_metadata(filepaths[0])
-    #     else:
-    #         yield from self.__generate_data(filepaths, dl_manager)
-
-    # def __generate_metadata(self, filepath):
-    #     with open(filepath, "r") as f:
-    #         data = json.load(f)
-    #         for i, line in enumerate(data):
-    #             yield i, line
-
-    # def __generate_data(self, filepaths, dl_manager):
-    #     for i, filepath in enumerate(filepaths):
-    #         if dl_manager.is_streaming:
-    #             filepath = xopen(filepath, "rb")
-
-    #         with h5py.File(filepath, "r") as f:
-    #             yield i, {
-    #                 "tty_chars": f["tty_chars"][()],
-    #                 "tty_colors": f["tty_colors"][()],
-    #                 "tty_cursor": f["tty_cursor"][()],
-    #                 "actions": f["actions"][()],
-    #                 "rewards": f["rewards"][()],
-    #                 "dones": f["dones"][()]
-    #             }
-
-    #         if dl_manager.is_streaming:
-    #             filepath.close()
-
+        if dl_manager.is_streaming:
+            data_file.close()