data_prep/original_v0/extract.py

from glob import glob
from datasets import Dataset

langs = [
    "asm",
    "awa",
    # "bal",
    "ben",
    "bho",
    # "bod",
    "brx",
    # "div",
    "guj",
    # "hif",
    "hin",
    "kan",
    "kha",
    "kok",
    "lah",
    "mai",
    "mal",
    "mar",
    "mni",
    "nep",
    "nst",
    "ori",
    "pan",
    "pli",
    # "rhg",
    "san",
    "sat",
    # "sin",
    "snd",
    "tam",
    "tel",
    "urd",
]

HF_REPO = "sarvamai/tatoeba-indic"

dev_dir = "data/release/dev/latest"

for lang in langs:
    files = glob(f"{dev_dir}/*.eng-{lang}.txt") + glob(f"{dev_dir}/*.{lang}-eng.txt")
    
    if not files:
        print(f"No dev files found for lang: {lang}")
        continue

    assert len(files) == 1
    
    src_lines, tgt_lines = [], []

    with open(files[0], "r") as f:
        for line in f:
            src_lang, tgt_lang, src, tgt = line.strip().split("\t")
            if src_lang != "eng":
                # Swap src and tgt
                src_lang, tgt_lang = tgt_lang, src_lang
                src, tgt = tgt, src
            
            if not src.strip() or not tgt.strip():
                continue

            src_lines.append(src.strip())
            tgt_lines.append(tgt.strip())

    dataset = Dataset.from_dict({"src": src_lines, "tgt": tgt_lines})
    dataset.push_to_hub(HF_REPO, lang, split="dev")

test_dir = "data/release/test/latest"

for lang in langs:
    files = glob(f"{test_dir}/*.eng-{lang}.txt") + glob(f"{test_dir}/*.{lang}-eng.txt")
    
    if not files:
        print(f"No test files found for lang: {lang}")
        continue

    assert len(files) == 1
    
    src_lines, tgt_lines = [], []

    with open(files[0], "r") as f:
        for line in f:
            src_lang, tgt_lang, src, tgt = line.strip().split("\t")
            if src_lang != "eng":
                # Swap src and tgt
                src_lang, tgt_lang = tgt_lang, src_lang
                src, tgt = tgt, src
            
            if not src.strip() or not tgt.strip():
                continue

            src_lines.append(src.strip())
            tgt_lines.append(tgt.strip())

    dataset = Dataset.from_dict({"src": src_lines, "tgt": tgt_lines})
    dataset.push_to_hub(HF_REPO, lang, split="test")