fix: resolve typing errors in configs module (#25268)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/configs/remote_settings_sources/nacos/__init__.py

@@ -11,16 +11,16 @@ logger = logging.getLogger(__name__)
 
 from configs.remote_settings_sources.base import RemoteSettingsSource
 
-from .utils import _parse_config
+from .utils import parse_config
 
 
 class NacosSettingsSource(RemoteSettingsSource):
     def __init__(self, configs: Mapping[str, Any]):
         self.configs = configs
-        self.remote_configs: dict[str, Any] = {}
+        self.remote_configs: dict[str, str] = {}
         self.async_init()
 
-    def async_init(self):
+    def async_init(self) -> None:
         data_id = os.getenv("DIFY_ENV_NACOS_DATA_ID", "dify-api-env.properties")
         group = os.getenv("DIFY_ENV_NACOS_GROUP", "nacos-dify")
         tenant = os.getenv("DIFY_ENV_NACOS_NAMESPACE", "")
@@ -33,18 +33,15 @@ class NacosSettingsSource(RemoteSettingsSource):
             logger.exception("[get-access-token] exception occurred")
             raise
 
-    def _parse_config(self, content: str):
+    def _parse_config(self, content: str) -> dict[str, str]:
         if not content:
             return {}
         try:
-            return _parse_config(self, content)
+            return parse_config(content)
         except Exception as e:
             raise RuntimeError(f"Failed to parse config: {e}")
 
     def get_field_value(self, field: FieldInfo, field_name: str) -> tuple[Any, str, bool]:
-        if not isinstance(self.remote_configs, dict):
-            raise ValueError(f"remote configs is not dict, but {type(self.remote_configs)}")
-
         field_value = self.remote_configs.get(field_name)
         if field_value is None:
             return None, field_name, False

api/configs/remote_settings_sources/nacos/http_request.py

@@ -17,11 +17,17 @@ class NacosHttpClient:
         self.ak = os.getenv("DIFY_ENV_NACOS_ACCESS_KEY")
         self.sk = os.getenv("DIFY_ENV_NACOS_SECRET_KEY")
         self.server = os.getenv("DIFY_ENV_NACOS_SERVER_ADDR", "localhost:8848")
-        self.token = None
+        self.token: str | None = None
         self.token_ttl = 18000
         self.token_expire_time: float = 0
 
-    def http_request(self, url, method="GET", headers=None, params=None):
+    def http_request(
+        self, url: str, method: str = "GET", headers: dict[str, str] | None = None, params: dict[str, str] | None = None
+    ) -> str:
+        if headers is None:
+            headers = {}
+        if params is None:
+            params = {}
         try:
             self._inject_auth_info(headers, params)
             response = requests.request(method, url="http://" + self.server + url, headers=headers, params=params)
@@ -30,7 +36,7 @@ class NacosHttpClient:
         except requests.RequestException as e:
             return f"Request to Nacos failed: {e}"
 
-    def _inject_auth_info(self, headers, params, module="config"):
+    def _inject_auth_info(self, headers: dict[str, str], params: dict[str, str], module: str = "config") -> None:
         headers.update({"User-Agent": "Nacos-Http-Client-In-Dify:v0.0.1"})
 
         if module == "login":
@@ -45,16 +51,17 @@ class NacosHttpClient:
             headers["timeStamp"] = ts
         if self.username and self.password:
             self.get_access_token(force_refresh=False)
-            params["accessToken"] = self.token
+            if self.token is not None:
+                params["accessToken"] = self.token
 
-    def __do_sign(self, sign_str, sk):
+    def __do_sign(self, sign_str: str, sk: str) -> str:
         return (
             base64.encodebytes(hmac.new(sk.encode(), sign_str.encode(), digestmod=hashlib.sha1).digest())
             .decode()
             .strip()
         )
 
-    def get_sign_str(self, group, tenant, ts):
+    def get_sign_str(self, group: str, tenant: str, ts: str) -> str:
         sign_str = ""
         if tenant:
             sign_str = tenant + "+"
@@ -63,7 +70,7 @@ class NacosHttpClient:
         sign_str += ts  # Directly concatenate ts without conditional checks, because the nacos auth header forced it.
         return sign_str
 
-    def get_access_token(self, force_refresh=False):
+    def get_access_token(self, force_refresh: bool = False) -> str | None:
         current_time = time.time()
         if self.token and not force_refresh and self.token_expire_time > current_time:
             return self.token
@@ -77,6 +84,7 @@ class NacosHttpClient:
             self.token = response_data.get("accessToken")
             self.token_ttl = response_data.get("tokenTtl", 18000)
             self.token_expire_time = current_time + self.token_ttl - 10
+            return self.token
         except Exception:
             logger.exception("[get-access-token] exception occur")
             raise

api/configs/remote_settings_sources/nacos/utils.py

@@ -1,4 +1,4 @@
-def _parse_config(self, content: str) -> dict[str, str]:
+def parse_config(content: str) -> dict[str, str]:
     config: dict[str, str] = {}
     if not content:
         return config