config.py•1.7 kB
# config.py
import json
import logging
from .transport.stdio.stdio_server_parameters import StdioServerParameters
async def load_config(config_path: str, server_name: str) -> StdioServerParameters:
"""Load the server configuration from a JSON file."""
try:
# debug
logging.debug(f"Loading config from {config_path}")
# Read the configuration file
with open(config_path, "r") as config_file:
config = json.load(config_file)
# Retrieve the server configuration
server_config = config.get("mcpServers", {}).get(server_name)
if not server_config:
error_msg = f"Server '{server_name}' not found in configuration file."
logging.error(error_msg)
raise ValueError(error_msg)
# Construct the server parameters
result = StdioServerParameters(
command=server_config["command"],
args=server_config.get("args", []),
env=server_config.get("env"),
)
# debug
logging.debug(
f"Loaded config: command='{result.command}', args={result.args}, env={result.env}"
)
# return result
return result
except FileNotFoundError:
# error
error_msg = f"Configuration file not found: {config_path}"
logging.error(error_msg)
raise FileNotFoundError(error_msg)
except json.JSONDecodeError as e:
# json error
error_msg = f"Invalid JSON in configuration file: {e.msg}"
logging.error(error_msg)
raise json.JSONDecodeError(error_msg, e.doc, e.pos)
except ValueError as e:
# error
logging.error(str(e))
raise