fix: Simplifying Windows AppData path detection to avoid problematic ctypes-based path retrieval

Author: Mtrya

backend/config.py

@@ -37,39 +37,11 @@ def _get_config_path() -> Path:
             # Running as PyInstaller bundle - use AppData location
             import os
             if os.name == 'nt':  # Windows
-                import ctypes
-
-                # Define HRESULT manually for PyInstaller compatibility
-                try:
-                    from ctypes import wintypes
-                    HRESULT = wintypes.HRESULT
-                except AttributeError:
-                    # PyInstaller sometimes doesn't include all wintypes
-                    HRESULT = ctypes.c_long
-
-                CSIDL_LOCAL_APPDATA = 0x001c
-                SHGetFolderPath = ctypes.windll.shell32.SHGetFolderPathW
-
-                try:
-                    from ctypes import wintypes
-                    SHGetFolderPath.argtypes = [wintypes.HWND, ctypes.c_int, wintypes.HANDLE, wintypes.DWORD, wintypes.LPCWSTR]
-                    SHGetFolderPath.restype = HRESULT
-                    path_buf = ctypes.create_unicode_buffer(wintypes.MAX_PATH)
-                    result = SHGetFolderPath(0, CSIDL_LOCAL_APPDATA, 0, 0, path_buf)
-                    if result == 0:
-                        return Path(path_buf.value) / "Echo" / "config.yaml"
-                    else:
-                        return Path.home() / "AppData" / "Local" / "Echo" / "config.yaml"
-                except AttributeError:
-                    # Fallback if wintypes are not available
-                    SHGetFolderPath.argtypes = [ctypes.c_void_p, ctypes.c_int, ctypes.c_void_p, ctypes.c_uint, ctypes.c_wchar_p]
-                    SHGetFolderPath.restype = HRESULT
-                    path_buf = ctypes.create_unicode_buffer(260)  # MAX_PATH
-                    result = SHGetFolderPath(0, CSIDL_LOCAL_APPDATA, 0, 0, path_buf)
-                    if result == 0:
-                        return Path(path_buf.value) / "Echo" / "config.yaml"
-                    else:
-                        return Path.home() / "AppData" / "Local" / "Echo" / "config.yaml"
+                appdata = os.environ.get('LOCALAPPDATA')
+                if appdata:
+                    return Path(appdata) / "Echo" / "config.yaml"
+                else:
+                    return Path.home() / "AppData" / "Local" / "Echo" / "config.yaml"
             else:
                 return Path.home() / ".echo" / "config.yaml"
         else:

backend/paths.py

@@ -35,43 +35,11 @@ def _get_base_path(self) -> Path:
         if getattr(sys, 'frozen', False):
             # Running as PyInstaller bundle
             if os.name == 'nt':  # Windows
-                import ctypes
-
-                # Define HRESULT manually for PyInstaller compatibility
-                try:
-                    from ctypes import wintypes
-                    HRESULT = wintypes.HRESULT
-                except AttributeError:
-                    # PyInstaller sometimes doesn't include all wintypes
-                    HRESULT = ctypes.c_long
-
-                CSIDL_LOCAL_APPDATA = 0x001c
-                SHGetFolderPath = ctypes.windll.shell32.SHGetFolderPathW
-
-                try:
-                    from ctypes import wintypes
-                    SHGetFolderPath.argtypes = [wintypes.HWND, ctypes.c_int, wintypes.HANDLE, wintypes.DWORD, wintypes.LPCWSTR]
-                    SHGetFolderPath.restype = HRESULT
-
-                    path_buf = ctypes.create_unicode_buffer(wintypes.MAX_PATH)
-                    result = SHGetFolderPath(0, CSIDL_LOCAL_APPDATA, 0, 0, path_buf)
-
-                    if result == 0:
-                        return Path(path_buf.value) / "Echo"
-                    else:
-                        return Path.home() / "AppData" / "Local" / "Echo"
-                except AttributeError:
-                    # Fallback if wintypes are not available
-                    SHGetFolderPath.argtypes = [ctypes.c_void_p, ctypes.c_int, ctypes.c_void_p, ctypes.c_uint, ctypes.c_wchar_p]
-                    SHGetFolderPath.restype = HRESULT
-
-                    path_buf = ctypes.create_unicode_buffer(260)  # MAX_PATH
-                    result = SHGetFolderPath(0, CSIDL_LOCAL_APPDATA, 0, 0, path_buf)
-
-                    if result == 0:
-                        return Path(path_buf.value) / "Echo"
-                    else:
-                        return Path.home() / "AppData" / "Local" / "Echo"
+                appdata = os.environ.get('LOCALAPPDATA')
+                if appdata:
+                    return Path(appdata) / "Echo"
+                else:
+                    return Path.home() / "AppData" / "Local" / "Echo"
             else:
                 return Path.home() / ".echo"
         else:

config.yaml.example

@@ -1,6 +1,6 @@
 api:
   # Replace with your actual API key from https://dashscope.aliyun.com/
-  dashscope_key: YOUR_API_KEY_HERE
+  dashscope_key: '' # Your DashScope API Key here
 
 models:
   instruction_voice: Elias

frontend/package-lock.json

@@ -27,19 +27,9 @@
 def get_app_data_path():
     """Get the application data directory for Echo."""
     if os.name == 'nt':  # Windows
-        import ctypes
-        from ctypes import wintypes
-
-        CSIDL_LOCAL_APPDATA = 0x001c
-        SHGetFolderPath = ctypes.windll.shell32.SHGetFolderPathW
-        SHGetFolderPath.argtypes = [wintypes.HWND, ctypes.c_int, wintypes.HANDLE, wintypes.DWORD, wintypes.LPCWSTR]
-        SHGetFolderPath.restype = wintypes.HRESULT
-
-        path_buf = ctypes.create_unicode_buffer(wintypes.MAX_PATH)
-        result = SHGetFolderPath(0, CSIDL_LOCAL_APPDATA, 0, 0, path_buf)
-
-        if result == 0:
-            return Path(path_buf.value) / "Echo"
+        appdata = os.environ.get('LOCALAPPDATA')
+        if appdata:
+            return Path(appdata) / "Echo"
         else:
             return Path.home() / "AppData" / "Local" / "Echo"
     else: