Update icy_dolma.py

icy_dolma.py

@@ -154,6 +154,7 @@ class IcyDolmaConfig(datasets.BuilderConfig):
                  filepaths=None,
                  file_loc=None,
                  buffer_size=65536,
+                 shard_spec=None,
                  **kwargs):
         """BuilderConfig for IcyDolma.
         Args:
@@ -165,6 +166,8 @@ class IcyDolmaConfig(datasets.BuilderConfig):
         self.filepaths = filepaths
         self.file_loc = file_loc
         self.buffer_size = buffer_size
+        self.shard_spec = shard_spec
+        assert (self.shard_spec is None) or (self.filepaths is None ) #one of these must be None
 
 class IcyDolma(datasets.GeneratorBasedBuilder):
     BUILDER_CONFIGS = [IcyDolmaConfig(name) for name in _VARIANTS]
@@ -172,12 +175,14 @@ class IcyDolma(datasets.GeneratorBasedBuilder):
     def _info(self):
         self.worker_id = self.config.worker_id
         self.n_workers = self.config.n_workers
-        self.filepaths = self.config.filepaths
         self.buffer_size = self.config.buffer_size
-        if self.config.filepaths is None:
-            self.filepaths = [_DATA_URL.format(i,j,k) for i in range(64) for j in range(64) for k in range(2)]
-        else:
+        if self.config.filepaths is not None:
             self.filepaths = self.config.filepaths
+        elif self.config.shard_spec is not None:
+            shard_idx, subshard_idx = self.config.shard_spec
+            self.filepaths = [_DATA_URL.format(shard_idx,subshard_idx,k) for k in range(2)]
+        else:
+            self.filepaths = [_DATA_URL.format(i,j,k) for i in range(64) for j in range(64) for k in range(2)]
         if self.config.file_loc is not None:
             self.file_loc = self.config.file_loc
         else: