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vosk/test_files/download_large_persian_model.py

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+import os
+import requests
+import zipfile
+
+MODEL_URL = "https://alphacephei.com/vosk/models/vosk-model-fa-0.42.zip"
+MODEL_ZIP = "vosk-model-fa-0.42.zip"
+MODEL_DIR = "vosk-model-fa-0.42"
+
+# Download the model zip if not present
+if not os.path.exists(MODEL_ZIP):
+    print(f"Downloading {MODEL_URL} ...")
+    with requests.get(MODEL_URL, stream=True) as r:
+        r.raise_for_status()
+        total = int(r.headers.get('content-length', 0))
+        with open(MODEL_ZIP, 'wb') as f:
+            downloaded = 0
+            for chunk in r.iter_content(chunk_size=8192):
+                if chunk:
+                    f.write(chunk)
+                    downloaded += len(chunk)
+                    print(f"\rDownloaded {downloaded/1024/1024:.2f} MB / {total/1024/1024:.2f} MB", end='', flush=True)
+    print("\nDownload complete.")
+else:
+    print(f"{MODEL_ZIP} already exists.")
+
+# Extract the model zip if not already extracted
+if not os.path.exists(MODEL_DIR):
+    print(f"Extracting {MODEL_ZIP} ...")
+    with zipfile.ZipFile(MODEL_ZIP, 'r') as zip_ref:
+        zip_ref.extractall()
+    print(f"Extracted to {MODEL_DIR}.")
+else:
+    print(f"{MODEL_DIR} already extracted.")