| | import polars as pl |
| | from huggingface_hub import hf_hub_url, list_repo_files |
| | from tqdm import tqdm |
| |
|
| | file_names = pl.Series(list_repo_files("allenai/c4", repo_type="dataset")) |
| | |
| | news_files = file_names.filter( |
| | file_names.str.starts_with("realnewslike/") & file_names.str.ends_with(".json.gz"), |
| | ).str.strip_prefix("realnewslike/") |
| |
|
| | features = {"timestamp": pl.Datetime, "url": pl.String} |
| | aggregator = pl.DataFrame(schema=features) |
| | for filename in tqdm(news_files): |
| | json_url = hf_hub_url( |
| | repo_id="allenai/c4", |
| | filename=filename, |
| | subfolder="realnewslike", |
| | repo_type="dataset", |
| | ) |
| | df = pl.read_ndjson(json_url, schema=features).sort("timestamp") |
| | aggregator = pl.concat([aggregator, df.head(1), df.tail(1)]) |
| | print(aggregator.shape) |
| |
|
