download_audio.py

import json
import os
import tarfile
import zipfile
import gzip
import subprocess
import time
from os.path import join as p_join
from tqdm import tqdm
from multiprocessing import Pool
from typing import Optional, Dict
from glob import glob

import pandas as pd
import soundfile as sf
from datasets import Dataset, Audio, DatasetDict

audio_loader = Audio()
# dataset config
url_metadata_dict = {
    "enA-jaA": "https://dl.fbaipublicfiles.com/seamless/data/seamless_align_nov2023_extension/seamless.dataset.metadata.public.enA-jaA.tsv.gz",
    "enA-jpn": "https://dl.fbaipublicfiles.com/seamless/data/seamless.dataset.metadata.public.enA-jpn.withduration.tsv.gz"
}
direction = os.getenv("DIRECTION", "enA-jaA")
sides = set(direction.split("-"))
cache_dir_audio = p_join("download", "audio", direction)
cache_dir_feature = p_join("download", "feature", direction)
os.makedirs(cache_dir_feature, exist_ok=True)
for s in sides:
    os.makedirs(p_join(cache_dir_audio, s), exist_ok=True)
# processor config
n_pool = int(os.getenv("N_POOL", 1))
wget_max_retry = os.getenv("MAX_RETRY", "1")
wget_timeout = os.getenv("TIMEOUT", "10")
line_no_start = int(os.getenv("LINE_NO_START", 0))
line_no_end = int(os.getenv("LINE_NO_END", 10000))
dataset_id = os.getenv("DATASET_ID", 0)
hf_org = os.getenv("HF_ORG", "asahi417")
hf_dataset = f"seamless-align-{direction}"


def wget(url: str, output_file: Optional[str] = None):
    os.makedirs(os.path.dirname(output_file), exist_ok=True)
    subprocess.run(["wget", url, "-O", output_file, "--tries", wget_max_retry, "--timeout", wget_timeout])
    if not os.path.exists(output_file):
        return False
    if output_file.endswith('.tar.gz') or output_file.endswith('.tgz') or output_file.endswith('.tar'):
        if output_file.endswith('.tar'):
            tar = tarfile.open(output_file)
        else:
            tar = tarfile.open(output_file, "r:gz")
        tar.extractall(os.path.dirname(output_file))
        tar.close()
        os.remove(output_file)
    elif output_file.endswith('.gz'):
        with gzip.open(output_file, 'rb') as f:
            with open(output_file.replace('.gz', ''), 'wb') as f_write:
                f_write.write(f.read())
        os.remove(output_file)
    elif output_file.endswith('.zip'):
        with zipfile.ZipFile(output_file, 'r') as zip_ref:
            zip_ref.extractall()
        os.remove(output_file)
    return True


def get_metadata():
    url_metadata = url_metadata_dict[direction]
    meta_data_filename = os.path.basename(url_metadata)
    meta_data_path = p_join("download", "meta", meta_data_filename)
    if not os.path.exists(meta_data_path.replace(".gz", "")):
        assert wget(url_metadata, output_file=meta_data_path)
    df = pd.read_csv(meta_data_path.replace(".gz", ""), sep=r'[\t\s]', header=None)
    df = df[[0, 2, 3, 4, 9, 10, 11, 12]]
    df.columns = ["id", "url", "duration_start", "duration_end", "laser_score", "direction", "side", "line_no"]
    if direction == "enA-jpn":
        df = df[df["side"] == "enA"]
    assert len(df["direction"].unique()) == 1
    df.pop("direction")
    return df.sort_values(by=["line_no", "side"])


def to_json_serializable(val):
    if "float" in str(type(val)):
        return float(val)
    if "int" in str(type(val)):
        return int(val)
    return str(val)


def get_audio(dataframe: pd.DataFrame):
    features = {"line_no": int(dataframe.pop('line_no').values[0])}
    for side, df in dataframe.groupby("side"):
        df.pop("side")
        features.update({f"{side}.{k}": to_json_serializable(v) for k, v in df.iloc[0].to_dict().items()})
        identifier = os.path.basename(features[f"{side}.url"]).split(".")[-1]
        features[f"{side}.path"] = str(p_join(cache_dir_audio, side, f"{features['line_no']}.{identifier}"))
        start, end = features[f"{side}.duration_start"], features[f"{side}.duration_end"]
        if not os.path.exists(features[f"{side}.path"]):
            flag = wget(features[f"{side}.url"], output_file=features[f"{side}.path"])
            if not flag:
                # create a dummy file to avoid the url again
                return None
            else:
                try:
                    wav = audio_loader.decode_example({"path": features[f"{side}.path"], "bytes": None})
                    if start < end < len(wav["array"]):
                        sf.write(features[f"{side}.path"], wav["array"][start:end], wav["sampling_rate"])
                    else:
                        os.remove(features[f"{side}.path"])
                        return None
                except Exception as e:
                    print(e)
                    os.remove(features[f"{side}.path"])
                    return None
    with open(p_join(cache_dir_feature, f'{features["line_no"]}.json'), "w") as f:
        json.dump(features, f)
    return features["line_no"]


if __name__ == '__main__':
    df_metadata = get_metadata()
    print(f"metadata: {len(df_metadata)}, {line_no_start} --> {line_no_end}")
    inputs = [
        g for line_no, g in df_metadata.groupby("line_no")
        if line_no_start <= line_no < line_no_end and not os.path.exists(
            p_join(cache_dir_feature, f'{int(line_no)}.json')
        )
    ]
    print(f"filtered unique lines: {len(inputs)}")
    if direction == "enA-jaA":
        inputs = [g for g in inputs if len(g["side"].unique()) == 2 and set(g["side"].unique()) == sides]
        print(f"removed side != 2: {len(inputs)}")
    if n_pool == 1:
        for g in tqdm(inputs, total=len(inputs)):
            line_no = get_audio(g)
    else:
        with Pool(n_pool) as pool:
            for line_no in pool.imap_unordered(get_audio, inputs):
                if line_no:
                    print(line_no)

    def loader(feature: str) -> Dict:
        with open(feature) as f_reader:
            return json.load(f_reader)


    features = [loader(i) for i in glob(p_join(cache_dir_feature, '*.json'))]
    features = [i for i in features if line_no_start <= int(i["line_no"]) < line_no_end]
    print(f"push {len(features)} records to hub")
    data_dict = {}
    for side in sides:
        data_dict.update({f"{side}.audio": [i.pop(f"{side}.path") for i in features]})
    data_dict.update({k: [i[k] for i in features] for k in features[0].keys()})
    audio_dataset = Dataset.from_dict(data_dict)
    for side in sides:
        audio_dataset = audio_dataset.cast_column(f"{side}.audio", Audio())
    dataset_to_push = DatasetDict({"train": audio_dataset})
    repo_name = f"{hf_org}/{hf_dataset}"
    while True:
        try:
            dataset_to_push.push_to_hub(repo_name, config_name=f"subset_{dataset_id}")
            break
        except Exception:
            print(f"FAILED: push_to_hub on {repo_name} failed. wait 60 sec and retry soon...")
            time.sleep(60)