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121 lines
3.2 KiB
Python
121 lines
3.2 KiB
Python
"""Logging configuration and utilities."""
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import logging
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import os
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from datetime import datetime
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__all__ = [
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"setup_logging",
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"get_logger",
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"truncate_token",
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"extract_stats",
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"format_tool_log",
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]
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def setup_logging() -> None:
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"""Configure logging based on LOG_LEVEL environment variable.
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Valid levels: DEBUG, INFO, WARNING, ERROR (default: INFO)
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"""
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level_name = os.environ.get("LOG_LEVEL", "INFO").upper()
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level = getattr(logging, level_name, None)
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if not isinstance(level, int):
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level = logging.INFO
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logger = logging.getLogger("grist_mcp")
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logger.setLevel(level)
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logger.propagate = False # Prevent duplicate logs to root logger
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# Only add handler if not already configured
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if not logger.handlers:
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handler = logging.StreamHandler()
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handler.setFormatter(logging.Formatter("%(message)s"))
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logger.addHandler(handler)
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def extract_stats(tool_name: str, arguments: dict, result: dict) -> str:
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"""Extract meaningful stats from tool call based on tool type."""
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if tool_name == "list_documents":
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count = len(result.get("documents", []))
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return f"{count} docs"
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if tool_name == "list_tables":
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count = len(result.get("tables", []))
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return f"{count} tables"
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if tool_name == "describe_table":
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count = len(result.get("columns", []))
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return f"{count} columns"
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if tool_name == "get_records":
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count = len(result.get("records", []))
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return f"{count} records"
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if tool_name == "sql_query":
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count = len(result.get("records", []))
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return f"{count} rows"
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if tool_name == "add_records":
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count = len(arguments.get("records", []))
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return f"{count} records"
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if tool_name == "update_records":
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count = len(arguments.get("records", []))
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return f"{count} records"
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if tool_name == "delete_records":
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count = len(arguments.get("record_ids", []))
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return f"{count} records"
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if tool_name == "create_table":
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count = len(arguments.get("columns", []))
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return f"{count} columns"
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if tool_name in ("add_column", "modify_column", "delete_column"):
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return "1 column"
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return "-"
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def truncate_token(token: str) -> str:
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"""Truncate token to show first 3 and last 3 chars.
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Tokens 8 chars or shorter show *** for security.
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"""
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if len(token) <= 8:
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return "***"
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return f"{token[:3]}...{token[-3:]}"
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def format_tool_log(
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agent_name: str,
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token: str,
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tool: str,
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document: str | None,
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stats: str,
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status: str,
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duration_ms: int,
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error_message: str | None = None,
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) -> str:
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"""Format a tool call log line.
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Format: YYYY-MM-DD HH:MM:SS | agent (token) | tool | doc | stats | status | duration
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"""
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timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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truncated = truncate_token(token)
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doc = document if document else "-"
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line = f"{timestamp} | {agent_name} ({truncated}) | {tool} | {doc} | {stats} | {status} | {duration_ms}ms"
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if error_message:
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line += f"\n {error_message}"
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return line
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def get_logger(name: str) -> logging.Logger:
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"""Get a child logger under the grist_mcp namespace."""
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return logging.getLogger(f"grist_mcp.{name}")
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