yuqi1129 commented on code in PR #8018:
URL: https://github.com/apache/gravitino/pull/8018#discussion_r2272431801


##########
mcp-server/mcp_server/client/plain/plain_rest_client_model_operation.py:
##########
@@ -0,0 +1,68 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+from mcp_server.client import ModelOperation
+
+
+class PlainRESTClientModelOperation(ModelOperation):
+    """
+    Implementation of ModelOperation using a plain REST client.
+    """
+
+    def __init__(self, metalake_name: str, rest_client):
+        self.metalake_name = metalake_name
+        self.rest_client = rest_client
+
+    async def get_list_of_models(
+        self, catalog_name: str, schema_name: str
+    ) -> str:
+        response = await self.rest_client.get(
+            
f"/api/metalakes/{self.metalake_name}/catalogs/{catalog_name}/schemas/{schema_name}/models"
+        )
+        return response.json().get("identifiers", [])
+
+    async def load_model(
+        self, catalog_name: str, schema_name: str, model_name: str
+    ) -> str:
+        response = await self.rest_client.get(
+            
f"/api/metalakes/{self.metalake_name}/catalogs/{catalog_name}/schemas/{schema_name}/models/{model_name}"
+        )
+        return response.json().get("model", {})
+
+    async def list_model_versions(
+        self, catalog_name: str, schema_name: str, model_name: str
+    ) -> str:
+        response = await self.rest_client.get(
+            
f"/api/metalakes/{self.metalake_name}/catalogs/{catalog_name}/schemas/{schema_name}/models/{model_name}/versions"
+        )
+        return response.json().get("versions", [])
+
+    async def load_model_version(
+        self, catalog_name: str, schema_name: str, model_name: str, version: 
int
+    ) -> str:
+        response = await self.rest_client.get(
+            
f"/api/metalakes/{self.metalake_name}/catalogs/{catalog_name}/schemas/{schema_name}/models/{model_name}/versions/{version}"
+        )

Review Comment:
   I have checked it. Module `mcp-server` uses `black` to detect and fix the 
format problem automatically, it will not modify a raw string like `f"xxxx"` to 
multiple lines, which is different from `pylint` as `pylint` will throw a 
message like `E501 line too long`
   
   Do we need to introduce the checker`pylint` and resolve extra-long fields as 
`black` and `isort` used in the module have already been set as follows:
   
   ```toml
   # content from ${GRAVITINO_HOME}/mcp-server/pyproject.toml
   
   [tool.isort]
   profile = "black"
   line_length = 80
   multi_line_output = 3
   include_trailing_comma = true
   force_grid_wrap = 0
   use_parentheses = true
   
   [tool.black]
   line-length = 80
   target-version = ['py38']
   
   ```



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