init

download_audio.py

@@ -1,13 +1,55 @@
 import os
+import tarfile
+import zipfile
+import gzip
+import traceback
+import requests
 from os.path import join as p_join
-import pandas as pd
 from tqdm import tqdm
-from util import wget
+from multiprocessing import Pool
+from typing import Optional
+from urllib3.connection import ConnectionError
+
+import pandas as pd
 
 
 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_root = "./download"
+n_pool = 8
+
+
+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)
+    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'):
+            tar = tarfile.open(output_file)
+        else:
+            tar = tarfile.open(output_file, "r:gz")
+        tar.extractall(cache_dir)
+        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(cache_dir)
+        os.remove(output_file)
+    return True
 
 
 def get_metadata(url: str):
@@ -17,7 +59,6 @@ def get_metadata(url: str):
         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
 
 
@@ -30,11 +71,10 @@ def get_audio(url: str, filename: str):
 
 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)}")
+    print(f"load metadata: {url_metadata}, ({len(df_metadata)} rows)")
+    inputs = [(r, f"{r['direction']}.{r['side']}.{os.path.basename(r['url'])}") for _, r in df_metadata.iterrows()]
+    with Pool(n_pool) as pool:
+        pool.starmap(get_audio, tqdm(inputs, total=len(df_metadata)))
 
 
 if __name__ == '__main__':

util.py

@@ -1,42 +0,0 @@
-import os
-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
-
-
-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)
-    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'):
-            tar = tarfile.open(output_file)
-        else:
-            tar = tarfile.open(output_file, "r:gz")
-        tar.extractall(cache_dir)
-        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(cache_dir)
-        os.remove(output_file)
-    return True