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Allow tokenization for gzipped json files in datapreprocess #285

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Allow tokenization for gzipped json files in datapreprocess #285

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11 changes: 9 additions & 2 deletions open_lm/datapreprocess/make_2048.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
import argparse
from pathlib import Path
from transformers import GPTNeoXTokenizerFast

import smart_open

# ========================================
# = Global variables =
Expand Down Expand Up @@ -52,10 +52,17 @@ def upload_to_s3_and_remove(fname):

@contextmanager
def get_item_reader(file_name):
"""Creates iterator for reading .jsonl files or Zstd compressed .jsonl files"""
"""
Creates iterator for reading .jsonl files, gzip compressed,
or Zstd compressed .jsonl files
"""
if file_name.endswith(".jsonl"):
with jsonlines.open(file_name) as reader:
yield reader
elif file_name.endswith((".jsonl.gz", ".json.gz")):
with smart_open.open(file_name, "r") as f:
with jsonlines.Reader(f) as reader:
yield reader
else:
dctx = zstd.ZstdDecompressor()
with open(file_name, "rb") as compressed_file:
Expand Down