feat: Add base URL settings and secure_ascii options to the Brave search tool (#8463)

Co-authored-by: crazywoola <427733928@qq.com>

api/core/tools/provider/builtin/brave/brave.yaml

@@ -29,3 +29,11 @@ credentials_for_provider:
       zh_Hans: 从 Brave 获取您的 Brave Search API key
       pt_BR: Get your Brave Search API key from Brave
     url: https://brave.com/search/api/
+  base_url:
+    type: text-input
+    required: false
+    label:
+      en_US: Brave server's Base URL
+      zh_Hans: Brave服务器的API URL
+    placeholder:
+      en_US: https://api.search.brave.com/res/v1/web/search

api/core/tools/provider/builtin/brave/tools/brave_search.py

@@ -7,6 +7,8 @@ from pydantic import BaseModel, Field
 from core.tools.entities.tool_entities import ToolInvokeMessage
 from core.tools.tool.builtin_tool import BuiltinTool
 
+BRAVE_BASE_URL = "https://api.search.brave.com/res/v1/web/search"
+
 
 class BraveSearchWrapper(BaseModel):
     """Wrapper around the Brave search engine."""
@@ -15,8 +17,10 @@ class BraveSearchWrapper(BaseModel):
     """The API key to use for the Brave search engine."""
     search_kwargs: dict = Field(default_factory=dict)
     """Additional keyword arguments to pass to the search request."""
-    base_url: str = "https://api.search.brave.com/res/v1/web/search"
+    base_url: str = BRAVE_BASE_URL
     """The base URL for the Brave search engine."""
+    ensure_ascii: bool = True
+    """Ensure the JSON output is ASCII encoded."""
 
     def run(self, query: str) -> str:
         """Query the Brave search engine and return the results as a JSON string.
@@ -36,7 +40,7 @@ class BraveSearchWrapper(BaseModel):
             }
             for item in web_search_results
         ]
-        return json.dumps(final_results)
+        return json.dumps(final_results, ensure_ascii=self.ensure_ascii)
 
     def _search_request(self, query: str) -> list[dict]:
         headers = {
@@ -68,7 +72,9 @@ class BraveSearch(BaseModel):
     search_wrapper: BraveSearchWrapper
 
     @classmethod
-    def from_api_key(cls, api_key: str, search_kwargs: Optional[dict] = None, **kwargs: Any) -> "BraveSearch":
+    def from_api_key(
+        cls, api_key: str, base_url: str, search_kwargs: Optional[dict] = None, ensure_ascii: bool = True, **kwargs: Any
+    ) -> "BraveSearch":
         """Create a tool from an api key.
 
         Args:
@@ -79,7 +85,9 @@ class BraveSearch(BaseModel):
         Returns:
             A tool.
         """
-        wrapper = BraveSearchWrapper(api_key=api_key, search_kwargs=search_kwargs or {})
+        wrapper = BraveSearchWrapper(
+            api_key=api_key, base_url=base_url, search_kwargs=search_kwargs or {}, ensure_ascii=ensure_ascii
+        )
         return cls(search_wrapper=wrapper, **kwargs)
 
     def _run(
@@ -109,11 +117,18 @@ class BraveSearchTool(BuiltinTool):
         query = tool_parameters.get("query", "")
         count = tool_parameters.get("count", 3)
         api_key = self.runtime.credentials["brave_search_api_key"]
+        base_url = self.runtime.credentials.get("base_url", BRAVE_BASE_URL)
+        ensure_ascii = tool_parameters.get("ensure_ascii", True)
+
+        if len(base_url) == 0:
+            base_url = BRAVE_BASE_URL
 
         if not query:
             return self.create_text_message("Please input query")
 
-        tool = BraveSearch.from_api_key(api_key=api_key, search_kwargs={"count": count})
+        tool = BraveSearch.from_api_key(
+            api_key=api_key, base_url=base_url, search_kwargs={"count": count}, ensure_ascii=ensure_ascii
+        )
 
         results = tool._run(query)
 

api/core/tools/provider/builtin/brave/tools/brave_search.yaml

@@ -39,3 +39,15 @@ parameters:
       pt_BR: O número de resultados de pesquisa a serem retornados, permitindo que os usuários controlem a amplitude de sua saída de pesquisa.
     llm_description: Specifies the amount of search results to be displayed, offering users the ability to adjust the scope of their search findings.
     form: llm
+  - name: ensure_ascii
+    type: boolean
+    default: true
+    label:
+      en_US: Ensure ASCII
+      zh_Hans: 确保 ASCII
+      pt_BR: Ensure ASCII
+    human_description:
+      en_US: Ensure the JSON output is ASCII encoded
+      zh_Hans: 确保输出的 JSON 是 ASCII 编码
+      pt_BR: Ensure the JSON output is ASCII encoded
+    form: form