Update server implementation and dependencies

Author: dsp-ant

src/fetch/src/mcp_server_fetch/server.py

@@ -81,13 +81,13 @@ async def check_may_autonomously_fetch_url(url: str, user_agent: str) -> None:
             )
         except HTTPError:
             raise McpError(ErrorData(
-                INTERNAL_ERROR,
-                f"Failed to fetch robots.txt {robot_txt_url} due to a connection issue",
+                code=INTERNAL_ERROR,
+                message=f"Failed to fetch robots.txt {robot_txt_url} due to a connection issue",
             ))
         if response.status_code in (401, 403):
             raise McpError(ErrorData(
-                INTERNAL_ERROR,
-                f"When fetching robots.txt ({robot_txt_url}), received status {response.status_code} so assuming that autonomous fetching is not allowed, the user can try manually fetching by using the fetch prompt",
+                code=INTERNAL_ERROR,
+                message=f"When fetching robots.txt ({robot_txt_url}), received status {response.status_code} so assuming that autonomous fetching is not allowed, the user can try manually fetching by using the fetch prompt",
             ))
         elif 400 <= response.status_code < 500:
             return
@@ -98,8 +98,8 @@ async def check_may_autonomously_fetch_url(url: str, user_agent: str) -> None:
     robot_parser = Protego.parse(processed_robot_txt)
     if not robot_parser.can_fetch(str(url), user_agent):
         raise McpError(ErrorData(
-            INTERNAL_ERROR,
-            f"The sites robots.txt ({robot_txt_url}), specifies that autonomous fetching of this page is not allowed, "
+            code=INTERNAL_ERROR,
+            message=f"The sites robots.txt ({robot_txt_url}), specifies that autonomous fetching of this page is not allowed, "
             f"<useragent>{user_agent}</useragent>\n"
             f"<url>{url}</url>"
             f"<robots>\n{robot_txt}\n</robots>\n"
@@ -125,11 +125,11 @@ async def fetch_url(
                 timeout=30,
             )
         except HTTPError as e:
-            raise McpError(ErrorData(INTERNAL_ERROR, f"Failed to fetch {url}: {e!r}"))
+            raise McpError(ErrorData(code=INTERNAL_ERROR, message=f"Failed to fetch {url}: {e!r}"))
         if response.status_code >= 400:
             raise McpError(ErrorData(
-                INTERNAL_ERROR,
-                f"Failed to fetch {url} - status code {response.status_code}",
+                code=INTERNAL_ERROR,
+                message=f"Failed to fetch {url} - status code {response.status_code}",
             ))
 
         page_raw = response.text
@@ -222,11 +222,11 @@ async def call_tool(name, arguments: dict) -> list[TextContent]:
         try:
             args = Fetch(**arguments)
         except ValueError as e:
-            raise McpError(ErrorData(INVALID_PARAMS, str(e)))
+            raise McpError(ErrorData(code=INVALID_PARAMS, message=str(e)))
 
         url = str(args.url)
         if not url:
-            raise McpError(ErrorData(INVALID_PARAMS, "URL is required"))
+            raise McpError(ErrorData(code=INVALID_PARAMS, message="URL is required"))
 
         if not ignore_robots_txt:
             await check_may_autonomously_fetch_url(url, user_agent_autonomous)
@@ -254,7 +254,7 @@ async def call_tool(name, arguments: dict) -> list[TextContent]:
     @server.get_prompt()
     async def get_prompt(name: str, arguments: dict | None) -> GetPromptResult:
         if not arguments or "url" not in arguments:
-            raise McpError(ErrorData(INVALID_PARAMS, "URL is required"))
+            raise McpError(ErrorData(code=INVALID_PARAMS, message="URL is required"))
 
         url = arguments["url"]