init

download_audio.py

@@ -1,8 +1,43 @@
+import os
+from os.path import join as p_join
+import pandas as pd
+from tqdm import tqdm
 from util import wget
 
+
 url_metadata_s2s = "https://dl.fbaipublicfiles.com/seamless/data/seamless_align_nov2023_extension/seamless.dataset.metadata.public.enA-jaA.tsv.gz"
 url_metadata_s2t = "https://dl.fbaipublicfiles.com/seamless/data/seamless.dataset.metadata.public.enA-jpn.withduration.tsv.gz"
-cache_dir = "./download"
+cache_dir_root = "./download"
+
+
+def get_metadata(url: str):
+    cache_dir = p_join(cache_dir_root, "meta")
+    filename = os.path.basename(url).replace(".gz", "")
+    if not os.path.exists(filename):
+        assert wget(url, cache_dir=cache_dir)
+    df = pd.read_csv(p_join(cache_dir, filename), sep=r'[\t\s]', header=None)[[0, 2, 6, 9, 10, 11, 12]]
+    df.columns = ["id", "url", "text_lid_score", "laser_score", "direction", "side", "line_no"]
+    print(f"load metadata: {filename}, ({len(df)} rows)")
+    return df
+
+
+def get_audio(url: str, filename: str):
+    cache_dir = p_join(cache_dir_root, "audio")
+    if not os.path.exists(p_join(cache_dir, filename)):
+        return wget(url, filename=filename, cache_dir=cache_dir)
+    return False
+
+
+def process_dataset(url_metadata):
+    df_metadata = get_metadata(url_metadata)
+    num_missing_files = 0
+    for _, row in tqdm(df_metadata.iterrows(), total=len(df_metadata)):
+        filename = f"{row['direction']}.{row['side']}.{os.path.basename(row['url'])}"
+        num_missing_files += not get_audio(row['url'], filename)
+    print(f"missing files: {num_missing_files}/{len(df_metadata)}")
+
+
+if __name__ == '__main__':
+    process_dataset(url_metadata_s2s)
+    process_dataset(url_metadata_s2t)
 
-wget(url_metadata_s2s, cache_dir=cache_dir)
-wget(url_metadata_s2t, cache_dir=cache_dir)

requirements.txt

@@ -1 +1,2 @@
-requests
+requests
+pandas

util.py

@@ -1,24 +1,26 @@
 import os
-from os.path import join as p_join
-from typing import Optional
 import tarfile
 import zipfile
 import gzip
+import traceback
 import requests
+from os.path import join as p_join
+from typing import Optional
+from urllib3.connection import ConnectionError
 
 
-__all__ = 'wget'
-
-
-def wget(url: str, cache_dir: str, filename: Optional[str] = None, uncompress_file: bool = True):
+def wget(url: str, cache_dir: str, filename: Optional[str] = None):
     os.makedirs(cache_dir, exist_ok=True)
     filename = os.path.basename(url) if not filename else filename
     output_file = p_join(cache_dir, filename)
-    with open(output_file, "wb") as f:
-        r = requests.get(url)
-        f.write(r.content)
-    if not uncompress_file:
-        return output_file
+    try:
+        with open(output_file, "wb") as f:
+            r = requests.get(url)
+            f.write(r.content)
+    except ConnectionError or KeyboardInterrupt:
+        traceback.print_exc()
+        os.remove(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'):
@@ -28,20 +30,13 @@ def wget(url: str, cache_dir: str, filename: Optional[str] = None, uncompress_fi
         tar.extractall(cache_dir)
         tar.close()
         os.remove(output_file)
-        return output_file.replace('.tar.gz', '').replace('.tgz', '').replace('.tar', '')
     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)
-        return output_file.replace('.gz', '')
     elif output_file.endswith('.zip'):
         with zipfile.ZipFile(output_file, 'r') as zip_ref:
             zip_ref.extractall(cache_dir)
         os.remove(output_file)
-        return output_file.replace('.zip', '')
-    return output_file
-
-
-if __name__ == '__main__':
-    wget()
+    return True