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--- |
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license: odc-by |
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--- |
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# DuckDB datasets for (dump, id) querying on FineWeb 2 |
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This repo contains some DuckDB databases to check whether a given WARC UID exists in a FineWeb-2 dump. Usage example |
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is given below, but note especially that if you are using URNs (likely, if you are working with CommonCrawl data), |
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then you first have to extract the UID (the `id` column is of type `UUID` in the databases). |
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## Download |
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All files: |
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```shell |
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huggingface-cli download BramVanroy/fineweb-2-duckdbs --local-dir duckdbs/fineweb-2/ --include *.duckdb --repo-type dataset |
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``` |
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One file: |
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```shell |
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huggingface-cli download BramVanroy/fineweb-2-duckdbs fw2-deu_Latn.duckdb --local-dir duckdbs/fineweb-2/ --repo-type dataset |
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``` |
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## Usage |
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```python |
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import re |
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import duckdb |
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uuid_re = re.compile(r"<urn:uuid:([a-zA-Z0-9]{8}-?[a-zA-Z0-9]{4}-?[a-zA-Z0-9]{4}-?[a-zA-Z0-9]{4}-?[a-zA-Z0-9]{12})>") |
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duckdb_path = "duckdbs/fineweb-2/fw2-deu_Latn.duckdb" |
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con = duckdb.connect(duckdb_path, read_only=True) |
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dump = "CC-MAIN-2013-20" |
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uuid_urn = "<urn:uuid:4cd2db15-ae0c-482a-8688-d023d4b19f60>" |
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# !! Important: extract the UUID from the URN |
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uid = uuid_re.sub("\\1", uuid_urn).replace("-", "") |
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query = "SELECT EXISTS (SELECT 1 FROM dataset WHERE dump = ? AND id = ?)" |
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exists = bool(con.execute(query, (dump, uuid)).fetchone()[0]) |
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print(f"Does ID {uid} exist in {dump}? {exists}") |
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``` |
