Batch upload - merge_datasets.py

scripts/merge_datasets.py

@@ -0,0 +1,93 @@
+import os
+import sys
+import json
+import argparse
+
+sys.path.append(
+    os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir))
+)
+
+from megatron.core.datasets.indexed_dataset import (
+    IndexedDataset,
+    IndexedDatasetBuilder,
+    get_bin_path,
+    get_idx_path,
+)
+
+
+def get_args():
+    parser = argparse.ArgumentParser()
+
+    group = parser.add_argument_group(title="input data")
+    group.add_argument(
+        "--input",
+        type=str,
+        required=True,
+        help="Path to directory containing all document files to merge",
+    )
+
+    group = parser.add_argument_group(title="output data")
+    group.add_argument(
+        "--output-prefix",
+        type=str,
+        required=True,
+        help="Path to binary output file without suffix",
+    )
+
+    group = parser.add_argument_group(title="miscellaneous")
+    group.add_argument(
+        "--multimodal",
+        action="store_true",
+        help="Whether the datasets are assumed to be multimodal"
+    )
+
+    args = parser.parse_args()
+
+    assert os.path.isdir(
+        args.input
+    ), f"ERROR: {args.input} is not a directory or does not exist"
+
+    assert os.path.isdir(
+        os.path.dirname(args.output_prefix)
+    ), f"ERROR: {os.path.dirname(args.output_prefix)} is not a directory or does not exist"
+
+    return args
+
+
+def main():
+    args = get_args()
+
+    prefixes = set()
+    for basename in os.listdir(args.input):
+        prefix, ext = os.path.splitext(basename)
+
+        if prefix in prefixes:
+            continue
+
+        if not os.path.isfile(os.path.join(args.input, basename)):
+            continue
+
+        ext_pair = ".bin" if ext == ".idx" else ".idx"
+        assert os.path.isfile(
+            os.path.join(args.input, prefix) + ext_pair
+        ), f"ERROR: {ext_pair} file not provided for {os.path.join(args.input, prefix)}"
+
+        prefixes.add(prefix)
+
+    builder = None
+    for prefix in sorted(prefixes):
+        if builder is None:
+            dataset = IndexedDataset(os.path.join(args.input, prefix), multimodal=args.multimodal)
+            builder = IndexedDatasetBuilder(
+                get_bin_path(args.output_prefix), dtype=dataset.index.dtype, multimodal=args.multimodal
+            )
+            del dataset
+
+        builder.add_index(os.path.join(args.input, prefix))
+
+    builder.finalize(get_idx_path(args.output_prefix))
+
+
+if __name__ == '__main__':
+
+    main()