Update libritts-aligned.py

libritts-aligned.py

@@ -24,6 +24,7 @@ _PHONESET = "arpabet"
 _VERBOSE = os.environ.get("LIBRITTS_VERBOSE", True)
 _MAX_WORKERS = os.environ.get("LIBRITTS_MAX_WORKERS", cpu_count())
 _MAX_WORKERS = int(_MAX_WORKERS)
+_NO_MP = _MAX_WORKERS <= 1
 _MAX_PHONES = os.environ.get("LIBRITTS_MAX_PHONES", 512)
 _PATH = os.environ.get("LIBRITTS_PATH", os.environ.get("HF_DATASETS_CACHE", None))
 _DOWNLOAD_SPLITS = os.environ.get(
@@ -262,9 +263,10 @@ class LibriTTSAlign(datasets.GeneratorBasedBuilder):
                     open(os.path.join(_PATH, f"{hashes[i]}-entries.pkl"), "rb")
                 )
             else:
-                add_entries = [
-                    entry
-                    for entry in process_map(
+                if _NO_MP:
+                    _entries = [self._create_entry(x) for x in tqdm(zip([i] * len(ds), np.arange(len(ds))), desc=f"processing dataset {hashes[i]}")]
+                else:
+                    _entries = process_map(
                         self._create_entry,
                         zip([i] * len(ds), np.arange(len(ds))),
                         chunksize=100,
@@ -272,6 +274,9 @@ class LibriTTSAlign(datasets.GeneratorBasedBuilder):
                         desc=f"processing dataset {hashes[i]}",
                         tqdm_class=tqdm,
                     )
+                add_entries = [
+                    entry
+                    for entry in _entries
                     if entry is not None
                 ]
                 pickle.dump(