test_data_integrity.py

# /// script
# requires-python = ">=3.10"
# dependencies = [
#   "datasets",
#   "pandas",
#   "pytest",
#   "scipy",
#   "tqdm",
# ]
# ///

from collections import Counter, defaultdict
from pathlib import Path

import datasets
import pandas as pd
from tqdm.auto import tqdm


def load_jsonl_data(data_path, tmp_path):
    print("Loading dataset from", data_path)

    data = datasets.load_dataset(
        path=str(data_path),
        cache_dir=str(tmp_path),
        data_files={"train": "seed/*.jsonl"},
    )
    return data


def test_texts_adequacy(tmp_path):
    """
    This test provides a few basic checks of the data integrity:
    1. A correct number of sentences for each split and language.
    2. Correct row ids for each language.
    3. Sentence length (should be between 5 and 700 characters; it's OK to modify these limits if needed).
    4. Correlation of sentence lengths with English (normally should be above 0.5; lower number may indicate poor translation quality).
    """
    data_path = Path(__file__).parent.resolve()
    data = load_jsonl_data(data_path, tmp_path)

    issues = []

    def spot(x):
        issues.append(x)
        print(x)

    for split, raw_dataset in data.items():
        df_long = raw_dataset.to_pandas()

        keys = ["iso_639_3", "iso_15924", "glottocode"]
        key2short = {
            k: v.sort_values("id").reset_index(drop=True)
            for k, v in df_long.groupby(keys)
        }
        df_en = key2short[("eng", "Latn", "stan1293")]

        for k, df in key2short.items():
            assert df.shape == df_en.shape, (
                f"The {split} dataset for {k} has unusual shape {df.shape} (expected {df_en.shape})"
            )
            assert (df_en.columns == df.columns).all(), (
                f"The {split} dataset for {k} has confusing column names: {df.columns}."
            )
            assert (df["id"] == df_en["id"]).all(), (
                f"The {split} dataset for {k} has confusing values in the `id` column."
            )

            lengths = df["text"].str.len()
            too_short = df[lengths <= 5]
            too_long = df[lengths > 700]
            # Shan has some very long sentences.
            if k != ("shn", "Mymr", "shan1277"):
                if too_short.shape[0] > 0:
                    spot(
                        f"The {split} dataset for {k} has very short sentences: {too_short.text.tolist()}"
                    )
                if too_long.shape[0] > 0:
                    spot(
                        f"The {split} dataset for {k} has very long sentences: {too_long.text.tolist()}"
                    )

            corr = df_en["text"].str.len().corr(lengths, method="spearman")
            if corr < 0.59:
                spot(
                    f"The {split} dataset for {k} has low correlation of text lengths with English: {corr}."
                )
    assert len(issues) == 0, (
        f"In the dataset, {len(issues)} issues were found (see the messages printed above)"
    )


def test_identical_translations(tmp_path):
    ds_path = Path(__file__).parent.resolve()
    data = load_jsonl_data(ds_path, tmp_path)

    df_long = pd.concat([df.to_pandas() for df in data.values()], ignore_index=True)
    copies = []
    for row_id, part in tqdm(df_long.groupby("id"), desc="Finding copies"):
        text2value = defaultdict(set)
        for row in part.sort_values(
            ["iso_639_3", "iso_15924", "glottocode"]
        ).itertuples():
            key = (row.iso_639_3, row.iso_15924, row.glottocode)
            for other_key in text2value[row.text]:
                copies.append([row_id, other_key, key, row.text])
            text2value[row.text].add(key)

    print("Total copies:", len(copies))
    copy_pairs = Counter((l1, l2) for row_id, l1, l2, text in copies)

    print("All copypaste translations (just for reference):")
    for (l1, l2), cnt in copy_pairs.most_common():
        print(f"{(l1, l2)}: {cnt},")

    unexpected = False
    for (l1, l2), cnt in copy_pairs.most_common():
        if (l1, l2) not in EXPECTED_COPIES:
            unexpected = True
            print(
                f"New lang pair with exact copies! {l1} and {l2}; {cnt} copypaste translations!"
            )
            continue
        excnt = EXPECTED_COPIES[(l1, l2)]
        if excnt < cnt:
            unexpected = True
            print(f"New copies for {l1} and {l2}: {excnt} => {cnt}")
            continue
        if excnt > cnt:
            print(f"Less copies for {l1} and {l2}: {excnt} => {cnt}")

    assert not unexpected, (
        "Some unexpected copypaste translations appeared! See the messages above."
    )


# These are the copy-paste translation currently present.
# We tolerate them, but we don't want any more!
# In many cases, these are false positives from bibliographic
# entries that should be kept as-is.
EXPECTED_COPIES = {
    # Same language, different dialect or orthography
    (("taq", "Latn", "tama1365"), ("taq", "Tfng", "tama1365")): 1,
    # Different Arabic languoids
    (("ary", "Arab", "moro1292"), ("arz", "Arab", "egyp1253")): 1,
    # Other pairs
    (("taq", "Tfng", "tama1365"), ("zgh", "Tfng", "stan1324")): 1649,
    (("eng", "Latn", "stan1293"), ("szl", "Latn", "sile1253")): 17,
    (("eng", "Latn", "stan1293"), ("fra", "Latn", "stan1290")): 16,
    (("ben", "Beng", "beng1280"), ("mni", "Beng", "mani1292")): 15,
    (("scn", "Latn", "sici1248"), ("srd", "Latn", "sard1257")): 12,
    (("eng", "Latn", "stan1293"), ("lij", "Latn", "geno1240")): 11,
    (("eng", "Latn", "stan1293"), ("lim", "Latn", "limb1263")): 11,
    (("fra", "Latn", "stan1290"), ("szl", "Latn", "sile1253")): 11,
    (("eng", "Latn", "stan1293"), ("vec", "Latn", "vene1259")): 10,
    (("fra", "Latn", "stan1290"), ("lim", "Latn", "limb1263")): 10,
    (("scn", "Latn", "sici1248"), ("vec", "Latn", "vene1259")): 10,
    (("eng", "Latn", "stan1293"), ("ita", "Latn", "ital1282")): 9,
    (("eng", "Latn", "stan1293"), ("scn", "Latn", "sici1248")): 9,
    (("ita", "Latn", "ital1282"), ("lij", "Latn", "geno1240")): 9,
    (("lij", "Latn", "geno1240"), ("lim", "Latn", "limb1263")): 9,
    (("lij", "Latn", "geno1240"), ("scn", "Latn", "sici1248")): 9,
    (("ban", "Latn", "bali1278"), ("eng", "Latn", "stan1293")): 8,
    (("eng", "Latn", "stan1293"), ("fur", "Latn", "east2271")): 8,
    (("fra", "Latn", "stan1290"), ("lij", "Latn", "geno1240")): 8,
    (("fur", "Latn", "east2271"), ("scn", "Latn", "sici1248")): 8,
    (("fur", "Latn", "east2271"), ("vec", "Latn", "vene1259")): 8,
    (("ita", "Latn", "ital1282"), ("lim", "Latn", "limb1263")): 8,
    (("ita", "Latn", "ital1282"), ("srd", "Latn", "sard1257")): 8,
    (("lij", "Latn", "geno1240"), ("vec", "Latn", "vene1259")): 8,
    (("srd", "Latn", "sard1257"), ("vec", "Latn", "vene1259")): 8,
    (("szl", "Latn", "sile1253"), ("vec", "Latn", "vene1259")): 8,
    (("eng", "Latn", "stan1293"), ("srd", "Latn", "sard1257")): 7,
    (("fra", "Latn", "stan1290"), ("fur", "Latn", "east2271")): 7,
    (("fra", "Latn", "stan1290"), ("ita", "Latn", "ital1282")): 7,
    (("fra", "Latn", "stan1290"), ("scn", "Latn", "sici1248")): 7,
    (("fra", "Latn", "stan1290"), ("vec", "Latn", "vene1259")): 7,
    (("fur", "Latn", "east2271"), ("lim", "Latn", "limb1263")): 7,
    (("ita", "Latn", "ital1282"), ("scn", "Latn", "sici1248")): 7,
    (("ita", "Latn", "ital1282"), ("szl", "Latn", "sile1253")): 7,
    (("ita", "Latn", "ital1282"), ("vec", "Latn", "vene1259")): 7,
    (("knc", "Latn", "cent2050"), ("scn", "Latn", "sici1248")): 7,
    (("lij", "Latn", "geno1240"), ("srd", "Latn", "sard1257")): 7,
    (("lim", "Latn", "limb1263"), ("scn", "Latn", "sici1248")): 7,
    (("lim", "Latn", "limb1263"), ("vec", "Latn", "vene1259")): 7,
    (("lmo", "Latn", "lomb1257"), ("vec", "Latn", "vene1259")): 7,
    (("ace", "Latn", "achi1257"), ("scn", "Latn", "sici1248")): 6,
    (("eng", "Latn", "stan1293"), ("lmo", "Latn", "lomb1257")): 6,
    (("fur", "Latn", "east2271"), ("lij", "Latn", "geno1240")): 6,
    (("fur", "Latn", "east2271"), ("szl", "Latn", "sile1253")): 6,
    (("ita", "Latn", "ital1282"), ("lmo", "Latn", "lomb1257")): 6,
    (("lij", "Latn", "geno1240"), ("lmo", "Latn", "lomb1257")): 6,
    (("lij", "Latn", "geno1240"), ("szl", "Latn", "sile1253")): 6,
    (("lim", "Latn", "limb1263"), ("lmo", "Latn", "lomb1257")): 6,
    (("lim", "Latn", "limb1263"), ("srd", "Latn", "sard1257")): 6,
    (("lim", "Latn", "limb1263"), ("szl", "Latn", "sile1253")): 6,
    (("lmo", "Latn", "lomb1257"), ("scn", "Latn", "sici1248")): 6,
    (("scn", "Latn", "sici1248"), ("szl", "Latn", "sile1253")): 6,
    (("ban", "Latn", "bali1278"), ("fra", "Latn", "stan1290")): 5,
    (("ban", "Latn", "bali1278"), ("szl", "Latn", "sile1253")): 5,
    (("fra", "Latn", "stan1290"), ("srd", "Latn", "sard1257")): 5,
    (("fur", "Latn", "east2271"), ("knc", "Latn", "cent2050")): 5,
    (("fur", "Latn", "east2271"), ("lmo", "Latn", "lomb1257")): 5,
    (("fur", "Latn", "east2271"), ("srd", "Latn", "sard1257")): 5,
    (("knc", "Latn", "cent2050"), ("vec", "Latn", "vene1259")): 5,
    (("lmo", "Latn", "lomb1257"), ("srd", "Latn", "sard1257")): 5,
    (("lmo", "Latn", "lomb1257"), ("szl", "Latn", "sile1253")): 5,
    (("srd", "Latn", "sard1257"), ("szl", "Latn", "sile1253")): 5,
    (("ace", "Latn", "achi1257"), ("fur", "Latn", "east2271")): 4,
    (("ace", "Latn", "achi1257"), ("knc", "Latn", "cent2050")): 4,
    (("ban", "Latn", "bali1278"), ("ita", "Latn", "ital1282")): 4,
    (("ban", "Latn", "bali1278"), ("lij", "Latn", "geno1240")): 4,
    (("ban", "Latn", "bali1278"), ("scn", "Latn", "sici1248")): 4,
    (("crh", "Latn", "crim1257"), ("eng", "Latn", "stan1293")): 4,
    (("dik", "Latn", "sout2832"), ("eng", "Latn", "stan1293")): 4,
    (("dik", "Latn", "sout2832"), ("szl", "Latn", "sile1253")): 4,
    (("eng", "Latn", "stan1293"), ("knc", "Latn", "cent2050")): 4,
    (("fra", "Latn", "stan1290"), ("lmo", "Latn", "lomb1257")): 4,
    (("fur", "Latn", "east2271"), ("ita", "Latn", "ital1282")): 4,
    (("knc", "Latn", "cent2050"), ("lij", "Latn", "geno1240")): 4,
    (("knc", "Latn", "cent2050"), ("srd", "Latn", "sard1257")): 4,
    (("ace", "Latn", "achi1257"), ("bjn", "Latn", "banj1239")): 3,
    (("ace", "Latn", "achi1257"), ("eng", "Latn", "stan1293")): 3,
    (("ace", "Latn", "achi1257"), ("fra", "Latn", "stan1290")): 3,
    (("ace", "Latn", "achi1257"), ("lij", "Latn", "geno1240")): 3,
    (("ace", "Latn", "achi1257"), ("lim", "Latn", "limb1263")): 3,
    (("ace", "Latn", "achi1257"), ("srd", "Latn", "sard1257")): 3,
    (("ban", "Latn", "bali1278"), ("dik", "Latn", "sout2832")): 3,
    (("ban", "Latn", "bali1278"), ("lim", "Latn", "limb1263")): 3,
    (("ban", "Latn", "bali1278"), ("lmo", "Latn", "lomb1257")): 3,
    (("ban", "Latn", "bali1278"), ("vec", "Latn", "vene1259")): 3,
    (("bjn", "Latn", "banj1239"), ("srd", "Latn", "sard1257")): 3,
    (("crh", "Latn", "crim1257"), ("fra", "Latn", "stan1290")): 3,
    (("crh", "Latn", "crim1257"), ("ita", "Latn", "ital1282")): 3,
    (("crh", "Latn", "crim1257"), ("lij", "Latn", "geno1240")): 3,
    (("crh", "Latn", "crim1257"), ("lim", "Latn", "limb1263")): 3,
    (("crh", "Latn", "crim1257"), ("lmo", "Latn", "lomb1257")): 3,
    (("crh", "Latn", "crim1257"), ("scn", "Latn", "sici1248")): 3,
    (("crh", "Latn", "crim1257"), ("srd", "Latn", "sard1257")): 3,
    (("crh", "Latn", "crim1257"), ("vec", "Latn", "vene1259")): 3,
    (("eng", "Latn", "stan1293"), ("nus", "Latn", "nuer1246")): 3,
    (("eng", "Latn", "stan1293"), ("shn", "Mymr", "shan1277")): 3,
    (("eng", "Latn", "stan1293"), ("spa", "Latn", "amer1254")): 3,
    (("fra", "Latn", "stan1290"), ("knc", "Latn", "cent2050")): 3,
    (("ita", "Latn", "ital1282"), ("knc", "Latn", "cent2050")): 3,
    (("knc", "Latn", "cent2050"), ("lim", "Latn", "limb1263")): 3,
    (("knc", "Latn", "cent2050"), ("szl", "Latn", "sile1253")): 3,
    (("shn", "Mymr", "shan1277"), ("szl", "Latn", "sile1253")): 3,
    (("spa", "Latn", "amer1254"), ("szl", "Latn", "sile1253")): 3,
    (("ace", "Latn", "achi1257"), ("ban", "Latn", "bali1278")): 2,
    (("ace", "Latn", "achi1257"), ("ita", "Latn", "ital1282")): 2,
    (("ace", "Latn", "achi1257"), ("szl", "Latn", "sile1253")): 2,
    (("ace", "Latn", "achi1257"), ("vec", "Latn", "vene1259")): 2,
    (("bam", "Latn", "bamb1269"), ("ban", "Latn", "bali1278")): 2,
    (("bam", "Latn", "bamb1269"), ("dik", "Latn", "sout2832")): 2,
    (("bam", "Latn", "bamb1269"), ("eng", "Latn", "stan1293")): 2,
    (("bam", "Latn", "bamb1269"), ("spa", "Latn", "amer1254")): 2,
    (("bam", "Latn", "bamb1269"), ("szl", "Latn", "sile1253")): 2,
    (("ban", "Latn", "bali1278"), ("crh", "Latn", "crim1257")): 2,
    (("ban", "Latn", "bali1278"), ("knc", "Latn", "cent2050")): 2,
    (("ban", "Latn", "bali1278"), ("shn", "Mymr", "shan1277")): 2,
    (("ban", "Latn", "bali1278"), ("spa", "Latn", "amer1254")): 2,
    (("ban", "Latn", "bali1278"), ("srd", "Latn", "sard1257")): 2,
    (("bho", "Deva", "bhoj1244"), ("kas", "Deva", "kash1277")): 2,
    (("bjn", "Latn", "banj1239"), ("vec", "Latn", "vene1259")): 2,
    (("bug", "Latn", "bugi1244"), ("eng", "Latn", "stan1293")): 2,
    (("bug", "Latn", "bugi1244"), ("szl", "Latn", "sile1253")): 2,
    (("crh", "Latn", "crim1257"), ("fur", "Latn", "east2271")): 2,
    (("crh", "Latn", "crim1257"), ("szl", "Latn", "sile1253")): 2,
    (("dik", "Latn", "sout2832"), ("fra", "Latn", "stan1290")): 2,
    (("dik", "Latn", "sout2832"), ("ita", "Latn", "ital1282")): 2,
    (("dik", "Latn", "sout2832"), ("lij", "Latn", "geno1240")): 2,
    (("dik", "Latn", "sout2832"), ("lmo", "Latn", "lomb1257")): 2,
    (("dik", "Latn", "sout2832"), ("scn", "Latn", "sici1248")): 2,
    (("dik", "Latn", "sout2832"), ("shn", "Mymr", "shan1277")): 2,
    (("dik", "Latn", "sout2832"), ("spa", "Latn", "amer1254")): 2,
    (("dik", "Latn", "sout2832"), ("vec", "Latn", "vene1259")): 2,
    (("eng", "Latn", "stan1293"), ("mri", "Latn", "maor1246")): 2,
    (("eng", "Latn", "stan1293"), ("taq", "Latn", "tama1365")): 2,
    (("fra", "Latn", "stan1290"), ("taq", "Latn", "tama1365")): 2,
    (("fur", "Latn", "east2271"), ("taq", "Latn", "tama1365")): 2,
    (("hne", "Deva", "chha1249"), ("mag", "Deva", "maga1260")): 2,
    (("ita", "Latn", "ital1282"), ("spa", "Latn", "amer1254")): 2,
    (("knc", "Latn", "cent2050"), ("lmo", "Latn", "lomb1257")): 2,
    (("lij", "Latn", "geno1240"), ("mri", "Latn", "maor1246")): 2,
    (("lim", "Latn", "limb1263"), ("taq", "Latn", "tama1365")): 2,
    (("lmo", "Latn", "lomb1257"), ("shn", "Mymr", "shan1277")): 2,
    (("scn", "Latn", "sici1248"), ("shn", "Mymr", "shan1277")): 2,
    (("shn", "Mymr", "shan1277"), ("vec", "Latn", "vene1259")): 2,
    (("taq", "Latn", "tama1365"), ("vec", "Latn", "vene1259")): 2,
    (("ace", "Latn", "achi1257"), ("lmo", "Latn", "lomb1257")): 1,
    (("ace", "Latn", "achi1257"), ("shn", "Mymr", "shan1277")): 1,
    (("ace", "Latn", "achi1257"), ("taq", "Latn", "tama1365")): 1,
    (("bam", "Latn", "bamb1269"), ("bug", "Latn", "bugi1244")): 1,
    (("bam", "Latn", "bamb1269"), ("ita", "Latn", "ital1282")): 1,
    (("bam", "Latn", "bamb1269"), ("knc", "Latn", "cent2050")): 1,
    (("bam", "Latn", "bamb1269"), ("lij", "Latn", "geno1240")): 1,
    (("bam", "Latn", "bamb1269"), ("lmo", "Latn", "lomb1257")): 1,
    (("bam", "Latn", "bamb1269"), ("prs", "Arab", "dari1249")): 1,
    (("bam", "Latn", "bamb1269"), ("scn", "Latn", "sici1248")): 1,
    (("bam", "Latn", "bamb1269"), ("shn", "Mymr", "shan1277")): 1,
    (("bam", "Latn", "bamb1269"), ("vec", "Latn", "vene1259")): 1,
    (("ban", "Latn", "bali1278"), ("bjn", "Latn", "banj1239")): 1,
    (("ban", "Latn", "bali1278"), ("bug", "Latn", "bugi1244")): 1,
    (("ban", "Latn", "bali1278"), ("fur", "Latn", "east2271")): 1,
    (("ban", "Latn", "bali1278"), ("pbt", "Arab", "sout2649")): 1,
    (("ban", "Latn", "bali1278"), ("prs", "Arab", "dari1249")): 1,
    (("bjn", "Latn", "banj1239"), ("bug", "Latn", "bugi1244")): 1,
    (("bjn", "Latn", "banj1239"), ("crh", "Latn", "crim1257")): 1,
    (("bjn", "Latn", "banj1239"), ("eng", "Latn", "stan1293")): 1,
    (("bjn", "Latn", "banj1239"), ("fra", "Latn", "stan1290")): 1,
    (("bjn", "Latn", "banj1239"), ("fur", "Latn", "east2271")): 1,
    (("bjn", "Latn", "banj1239"), ("gug", "Latn", "para1311")): 1,
    (("bjn", "Latn", "banj1239"), ("ita", "Latn", "ital1282")): 1,
    (("bjn", "Latn", "banj1239"), ("knc", "Latn", "cent2050")): 1,
    (("bjn", "Latn", "banj1239"), ("lij", "Latn", "geno1240")): 1,
    (("bjn", "Latn", "banj1239"), ("lim", "Latn", "limb1263")): 1,
    (("bjn", "Latn", "banj1239"), ("lmo", "Latn", "lomb1257")): 1,
    (("bjn", "Latn", "banj1239"), ("nus", "Latn", "nuer1246")): 1,
    (("bjn", "Latn", "banj1239"), ("szl", "Latn", "sile1253")): 1,
    (("bug", "Latn", "bugi1244"), ("crh", "Latn", "crim1257")): 1,
    (("bug", "Latn", "bugi1244"), ("dik", "Latn", "sout2832")): 1,
    (("bug", "Latn", "bugi1244"), ("fra", "Latn", "stan1290")): 1,
    (("bug", "Latn", "bugi1244"), ("fur", "Latn", "east2271")): 1,
    (("bug", "Latn", "bugi1244"), ("gug", "Latn", "para1311")): 1,
    (("bug", "Latn", "bugi1244"), ("ita", "Latn", "ital1282")): 1,
    (("bug", "Latn", "bugi1244"), ("lij", "Latn", "geno1240")): 1,
    (("bug", "Latn", "bugi1244"), ("lim", "Latn", "limb1263")): 1,
    (("bug", "Latn", "bugi1244"), ("lmo", "Latn", "lomb1257")): 1,
    (("bug", "Latn", "bugi1244"), ("nus", "Latn", "nuer1246")): 1,
    (("bug", "Latn", "bugi1244"), ("spa", "Latn", "amer1254")): 1,
    (("bug", "Latn", "bugi1244"), ("srd", "Latn", "sard1257")): 1,
    (("bug", "Latn", "bugi1244"), ("vec", "Latn", "vene1259")): 1,
    (("crh", "Latn", "crim1257"), ("gug", "Latn", "para1311")): 1,
    (("crh", "Latn", "crim1257"), ("nus", "Latn", "nuer1246")): 1,
    (("crh", "Latn", "crim1257"), ("shn", "Mymr", "shan1277")): 1,
    (("dik", "Latn", "sout2832"), ("fur", "Latn", "east2271")): 1,
    (("dik", "Latn", "sout2832"), ("knc", "Latn", "cent2050")): 1,
    (("dik", "Latn", "sout2832"), ("lim", "Latn", "limb1263")): 1,
    (("dik", "Latn", "sout2832"), ("mri", "Latn", "maor1246")): 1,
    (("dik", "Latn", "sout2832"), ("pbt", "Arab", "sout2649")): 1,
    (("dik", "Latn", "sout2832"), ("prs", "Arab", "dari1249")): 1,
    (("dik", "Latn", "sout2832"), ("srd", "Latn", "sard1257")): 1,
    (("eng", "Latn", "stan1293"), ("gug", "Latn", "para1311")): 1,
    (("eng", "Latn", "stan1293"), ("pbt", "Arab", "sout2649")): 1,
    (("eng", "Latn", "stan1293"), ("prs", "Arab", "dari1249")): 1,
    (("fra", "Latn", "stan1290"), ("gug", "Latn", "para1311")): 1,
    (("fra", "Latn", "stan1290"), ("mri", "Latn", "maor1246")): 1,
    (("fra", "Latn", "stan1290"), ("nus", "Latn", "nuer1246")): 1,
    (("fra", "Latn", "stan1290"), ("pbt", "Arab", "sout2649")): 1,
    (("fra", "Latn", "stan1290"), ("shn", "Mymr", "shan1277")): 1,
    (("fra", "Latn", "stan1290"), ("spa", "Latn", "amer1254")): 1,
    (("fur", "Latn", "east2271"), ("gug", "Latn", "para1311")): 1,
    (("fur", "Latn", "east2271"), ("mri", "Latn", "maor1246")): 1,
    (("fur", "Latn", "east2271"), ("nus", "Latn", "nuer1246")): 1,
    (("fur", "Latn", "east2271"), ("shn", "Mymr", "shan1277")): 1,
    (("fuv", "Latn", "nige1253"), ("srd", "Latn", "sard1257")): 1,
    (("gug", "Latn", "para1311"), ("ita", "Latn", "ital1282")): 1,
    (("gug", "Latn", "para1311"), ("lij", "Latn", "geno1240")): 1,
    (("gug", "Latn", "para1311"), ("lim", "Latn", "limb1263")): 1,
    (("gug", "Latn", "para1311"), ("lmo", "Latn", "lomb1257")): 1,
    (("gug", "Latn", "para1311"), ("nus", "Latn", "nuer1246")): 1,
    (("gug", "Latn", "para1311"), ("srd", "Latn", "sard1257")): 1,
    (("gug", "Latn", "para1311"), ("szl", "Latn", "sile1253")): 1,
    (("gug", "Latn", "para1311"), ("vec", "Latn", "vene1259")): 1,
    (("ita", "Latn", "ital1282"), ("mri", "Latn", "maor1246")): 1,
    (("ita", "Latn", "ital1282"), ("nus", "Latn", "nuer1246")): 1,
    (("ita", "Latn", "ital1282"), ("prs", "Arab", "dari1249")): 1,
    (("ita", "Latn", "ital1282"), ("shn", "Mymr", "shan1277")): 1,
    (("knc", "Latn", "cent2050"), ("prs", "Arab", "dari1249")): 1,
    (("knc", "Latn", "cent2050"), ("shn", "Mymr", "shan1277")): 1,
    (("knc", "Latn", "cent2050"), ("spa", "Latn", "amer1254")): 1,
    (("lij", "Latn", "geno1240"), ("nus", "Latn", "nuer1246")): 1,
    (("lij", "Latn", "geno1240"), ("prs", "Arab", "dari1249")): 1,
    (("lij", "Latn", "geno1240"), ("shn", "Mymr", "shan1277")): 1,
    (("lij", "Latn", "geno1240"), ("spa", "Latn", "amer1254")): 1,
    (("lij", "Latn", "geno1240"), ("taq", "Latn", "tama1365")): 1,
    (("lim", "Latn", "limb1263"), ("mri", "Latn", "maor1246")): 1,
    (("lim", "Latn", "limb1263"), ("nus", "Latn", "nuer1246")): 1,
    (("lim", "Latn", "limb1263"), ("spa", "Latn", "amer1254")): 1,
    (("lmo", "Latn", "lomb1257"), ("mri", "Latn", "maor1246")): 1,
    (("lmo", "Latn", "lomb1257"), ("nus", "Latn", "nuer1246")): 1,
    (("lmo", "Latn", "lomb1257"), ("prs", "Arab", "dari1249")): 1,
    (("lmo", "Latn", "lomb1257"), ("spa", "Latn", "amer1254")): 1,
    (("mri", "Latn", "maor1246"), ("scn", "Latn", "sici1248")): 1,
    (("mri", "Latn", "maor1246"), ("srd", "Latn", "sard1257")): 1,
    (("mri", "Latn", "maor1246"), ("szl", "Latn", "sile1253")): 1,
    (("mri", "Latn", "maor1246"), ("vec", "Latn", "vene1259")): 1,
    (("nus", "Latn", "nuer1246"), ("srd", "Latn", "sard1257")): 1,
    (("nus", "Latn", "nuer1246"), ("szl", "Latn", "sile1253")): 1,
    (("nus", "Latn", "nuer1246"), ("vec", "Latn", "vene1259")): 1,
    (("pbt", "Arab", "sout2649"), ("shn", "Mymr", "shan1277")): 1,
    (("pbt", "Arab", "sout2649"), ("szl", "Latn", "sile1253")): 1,
    (("prs", "Arab", "dari1249"), ("scn", "Latn", "sici1248")): 1,
    (("prs", "Arab", "dari1249"), ("shn", "Mymr", "shan1277")): 1,
    (("prs", "Arab", "dari1249"), ("spa", "Latn", "amer1254")): 1,
    (("prs", "Arab", "dari1249"), ("szl", "Latn", "sile1253")): 1,
    (("prs", "Arab", "dari1249"), ("vec", "Latn", "vene1259")): 1,
    (("scn", "Latn", "sici1248"), ("spa", "Latn", "amer1254")): 1,
    (("scn", "Latn", "sici1248"), ("taq", "Latn", "tama1365")): 1,
    (("shn", "Mymr", "shan1277"), ("spa", "Latn", "amer1254")): 1,
    (("shn", "Mymr", "shan1277"), ("srd", "Latn", "sard1257")): 1,
    (("shn", "Mymr", "shan1277"), ("taq", "Latn", "tama1365")): 1,
    (("spa", "Latn", "amer1254"), ("vec", "Latn", "vene1259")): 1,
    (("szl", "Latn", "sile1253"), ("taq", "Latn", "tama1365")): 1,
}


if __name__ == "__main__":
    import sys
    import pytest

    raise SystemExit(pytest.main([__file__, *sys.argv[1:]]))