aminghadersohi commented on code in PR #35163:
URL: https://github.com/apache/superset/pull/35163#discussion_r2370061046
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superset/mcp_service/flask_singleton.py:
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@@ -0,0 +1,46 @@
+"""
+Simple module-level Flask app instance for MCP service.
+
+Following the Stack Overflow recommendation:
+"a simple module with just the instance is enough"
+- The module itself acts as the singleton
+- No need for complex patterns or metaclasses
+- Clean and Pythonic approach
+"""
+
+import logging
+
+from flask import Flask
+
+logger = logging.getLogger(__name__)
+
+logger.info("Creating Flask app instance for MCP service")
+
+try:
+ from superset.app import create_app
+ from superset.mcp_service.mcp_config import get_mcp_config
+
+ # Create the Flask app instance - this is the singleton
+ app = create_app()
Review Comment:
Good question, this code is _not_ creating a _second_ Flask app - it's
creating the main superset Flask app instance for use within the MCP service.
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