Coverage for mcpgateway / plugins / framework / constants.py: 100%

1# -*- coding: utf-8 -*- 

2"""Location: ./mcpgateway/plugins/framework/constants.py 

3Copyright 2025 

4SPDX-License-Identifier: Apache-2.0 

5Authors: Teryl Taylor 

6 

7Plugins constants file. 

8This module stores a collection of plugin constants used throughout the framework. 

9""" 

10 

11# Standard 

12import os 

13import sys 

14 

15# Model constants. 

16# Specialized plugin types. 

17EXTERNAL_PLUGIN_TYPE = "external" 

18 

19# MCP related constants. 

20PYTHON_SUFFIX = ".py" 

21URL = "url" 

22SCRIPT = "script" 

23CMD = "cmd" 

24ENV = "env" 

25CWD = "cwd" 

26UDS = "uds" 

27 

28NAME = "name" 

29PYTHON = os.environ.get("MCP_PYTHON", sys.executable) 

30PLUGIN_NAME = "plugin_name" 

31PAYLOAD = "payload" 

32CONTEXT = "context" 

33RESULT = "result" 

34ERROR = "error" 

35IGNORE_CONFIG_EXTERNAL = "ignore_config_external" 

36 

37# Global Context Metadata fields 

38 

39TOOL_METADATA = "tool" 

40GATEWAY_METADATA = "gateway" 

41 

42# MCP Plugin Server Runtime constants 

43MCP_SERVER_NAME = "MCP Plugin Server" 

44MCP_SERVER_INSTRUCTIONS = "External plugin server for MCP Gateway" 

45GET_PLUGIN_CONFIGS = "get_plugin_configs" 

46GET_PLUGIN_CONFIG = "get_plugin_config" 

47HOOK_TYPE = "hook_type" 

48INVOKE_HOOK = "invoke_hook"