👍️[Update] Model : AI モデルのダウンロード方法を修正

- AIモデルのダウンロード済み確認辞書を追加
	- selectable_ctranslate2_weight_type_dict
	- selectable_whisper_weight_type_dict
- AIモデルダウンロード処理完了のエンドポイントを追加
	- /run/download_ctranslate2_weight
	- /run/downloaded_whisper_weight

src-python/models/translation/translation_utils.py

@@ -60,30 +60,30 @@ def checkCTranslate2Weight(path, weight_type="Small"):
         already_downloaded = True
     return already_downloaded
 
-def downloadCTranslate2Weight(root, weight_type="Small", callbackFunc=None):
+def downloadCTranslate2Weight(root, weight_type="Small", callback=None, end_callback=None):
     url = ctranslate2_weights[weight_type]["url"]
     filename = "weight.zip"
     path = os_path.join(root, "weights", "ctranslate2")
     os_makedirs(path, exist_ok=True)
 
-    if checkCTranslate2Weight(path, weight_type):
-        callbackFunc(1)
-        return
+    if checkCTranslate2Weight(path, weight_type) is False:
+        try:
+            with tempfile.TemporaryDirectory() as tmp_path:
+                res = requests_get(url, stream=True)
+                file_size = int(res.headers.get('content-length', 0))
+                total_chunk = 0
+                with open(os_path.join(tmp_path, filename), 'wb') as file:
+                    for chunk in res.iter_content(chunk_size=1024*2000):
+                        file.write(chunk)
+                        if isinstance(callback, Callable):
+                            total_chunk += len(chunk)
+                            callback(total_chunk/file_size)
+                        printLog(f"Downloading CTranslate Model: {total_chunk/file_size:.0%}")
 
-    try:
-        with tempfile.TemporaryDirectory() as tmp_path:
-            res = requests_get(url, stream=True)
-            file_size = int(res.headers.get('content-length', 0))
-            total_chunk = 0
-            with open(os_path.join(tmp_path, filename), 'wb') as file:
-                for chunk in res.iter_content(chunk_size=1024*2000):
-                    file.write(chunk)
-                    if isinstance(callbackFunc, Callable):
-                        total_chunk += len(chunk)
-                        callbackFunc(total_chunk/file_size)
-                    printLog(f"Downloading CTranslate Model: {total_chunk/file_size:.0%}")
+                with ZipFile(os_path.join(tmp_path, filename)) as zf:
+                    zf.extractall(path)
+        except Exception as e:
+            printLog("warning:downloadCTranslate2Weight()", e)
 
-            with ZipFile(os_path.join(tmp_path, filename)) as zf:
-                zf.extractall(path)
-    except Exception as e:
-        printLog("warning:downloadCTranslate2Weight()", e)
+    if isinstance(end_callback, Callable):
+        end_callback()