| |
| """Create reproducible Project CodeNet language and problem-family censuses.""" |
|
|
| from __future__ import annotations |
|
|
| import argparse |
| import re |
| from pathlib import Path |
|
|
| import duckdb |
| import pyarrow.csv as pacsv |
|
|
|
|
| def checked_sha256(value: str) -> str: |
| if not re.fullmatch(r"[0-9a-f]{64}", value): |
| raise argparse.ArgumentTypeError("expected a lowercase SHA-256 digest") |
| return value |
|
|
|
|
| def write_query(connection: duckdb.DuckDBPyConnection, query: str, path: Path) -> None: |
| path.parent.mkdir(parents=True, exist_ok=True) |
| pacsv.write_csv(connection.execute(query).to_arrow_table(), path) |
|
|
|
|
| def main() -> None: |
| parser = argparse.ArgumentParser() |
| parser.add_argument("--metadata-root", type=Path, required=True) |
| parser.add_argument("--language-output", type=Path, required=True) |
| parser.add_argument("--problem-language-output", type=Path, required=True) |
| parser.add_argument("--revision", required=True) |
| parser.add_argument("--archive-sha256", type=checked_sha256, required=True) |
| args = parser.parse_args() |
|
|
| files = sorted(args.metadata_root.glob("p[0-9][0-9][0-9][0-9][0-9].csv")) |
| if len(files) != 4_053: |
| raise RuntimeError(f"expected 4,053 per-problem CSVs, found {len(files):,}") |
|
|
| connection = duckdb.connect() |
| connection.read_csv( |
| str(args.metadata_root / "p?????.csv"), |
| header=True, |
| all_varchar=True, |
| union_by_name=True, |
| ).create_view("submissions") |
|
|
| revision = args.revision.replace("'", "''") |
| archive_sha256 = args.archive_sha256 |
| write_query( |
| connection, |
| f""" |
| SELECT |
| language, |
| count(*) AS submissions, |
| count(DISTINCT problem_id) AS problems, |
| sum(CASE WHEN status = 'Accepted' THEN 1 ELSE 0 END) AS accepted_submissions, |
| count(DISTINCT CASE WHEN status = 'Accepted' THEN problem_id END) AS accepted_problems, |
| sum(try_cast(code_size AS HUGEINT)) AS source_bytes, |
| sum(CASE WHEN status = 'Accepted' THEN try_cast(code_size AS HUGEINT) ELSE 0 END) |
| AS accepted_source_bytes, |
| '{revision}' AS source_revision, |
| '{archive_sha256}' AS archive_sha256 |
| FROM submissions |
| GROUP BY language |
| ORDER BY submissions DESC, language |
| """, |
| args.language_output, |
| ) |
| write_query( |
| connection, |
| f""" |
| SELECT |
| problem_id, |
| language, |
| count(*) AS submissions, |
| sum(CASE WHEN status = 'Accepted' THEN 1 ELSE 0 END) AS accepted_submissions, |
| sum(try_cast(code_size AS HUGEINT)) AS source_bytes, |
| sum(CASE WHEN status = 'Accepted' THEN try_cast(code_size AS HUGEINT) ELSE 0 END) |
| AS accepted_source_bytes, |
| '{revision}' AS source_revision, |
| '{archive_sha256}' AS archive_sha256 |
| FROM submissions |
| GROUP BY problem_id, language |
| ORDER BY problem_id, language |
| """, |
| args.problem_language_output, |
| ) |
|
|
|
|
| if __name__ == "__main__": |
| main() |
|
|
