Refactor ASR manager: remove `_get_asr_supported_languages`, replace static language mapping with `supported_langs` attribute, and update dynamic module import to use `importlib.util` for improved maintainability.

src/VoiceDialogue/services/speech/asr/manager.py

@@ -1,3 +1,4 @@
+import importlib.util
 import inspect
 import logging
 import re
@@ -59,15 +60,6 @@ class ASRRegistryTables:
                 )
         print("\n")
 
-    def _get_asr_supported_languages(self, asr_key: str) -> List[str]:
-        """获取特定ASR引擎支持的语言列表"""
-        # 根据ASR类型返回支持的语言
-        language_mapping = {
-            'funasr': ['zh', 'auto'],
-            'whisper': ['en', 'zh', 'auto'],
-        }
-        return language_mapping.get(asr_key, ['auto'])
-
     def register(self, register_table_key: str, key: str = None) -> callable:
         """装饰器，用于注册ASR类"""
 
@@ -103,7 +95,7 @@ class ASRManager:
         self._language_to_asr_mapping = {
             'zh': 'funasr',  # 中文优先使用FunASR
             'en': 'whisper',  # 英文优先使用Whisper
-            'auto': 'whisper',  # 自动检测默认使用Whisper
+            # 'auto': 'whisper',  # 自动检测默认使用Whisper
         }
 
     def create_asr(self, language: Literal['auto', 'zh', 'en']) -> ASRInterface:
@@ -192,10 +184,11 @@ class ASRManager:
         """
         supported_languages = {}
 
-        for asr_key in asr_tables.asr_classes.keys():
+        for asr_key, asr_class in asr_tables.asr_classes.items():
             try:
-                languages = asr_tables._get_asr_supported_languages(asr_key)
-                supported_languages[asr_key] = languages
+                supported_languages[asr_key] = asr_class.supported_langs
+                # languages = asr_tables._get_asr_supported_languages(asr_key)
+                # supported_languages[asr_key] = languages
             except Exception as e:
                 logging.warning(f"获取ASR引擎 '{asr_key}' 支持的语言失败: {e}")
                 supported_languages[asr_key] = ['unknown']
@@ -302,8 +295,12 @@ def register_all_asr():
         module_name = py_file.stem
         try:
             # 动态导入模块
-            module = importlib.import_module(f".models.{module_name}",
-                                             package="VoiceDialogue.services.speech.asr")
+            spec = importlib.util.spec_from_file_location(
+                f".models.{module_name}",
+                py_file
+            )
+            module = importlib.util.module_from_spec(spec)
+            spec.loader.exec_module(module)
             logging.info(f"Successfully imported ASR module: {module_name}")
         except ImportError as e:
             logging.warning(f"Failed to import ASR module {module_name}: {e}")

src/VoiceDialogue/services/speech/asr/models/whisper.py

@@ -12,7 +12,7 @@ from ..utils import ensure_minimum_audio_duration
 @asr_tables.register('asr_classes', 'whisper')
 class WhisperCppClient(ASRInterface):
     """Whisper C++ API客户端"""
-    supported_langs = ['en', 'zh', 'auto']
+    supported_langs = ['en', 'zh', ]
 
     def __init__(self):
         super().__init__()