import os
# Load environment variables from .env file (optional)
try:
from dotenv import load_dotenv
load_dotenv()
except ImportError:
pass # dotenv is optional
class Config:
# Logging
LOG_LEVEL = os.getenv("LOG_LEVEL", "INFO")
LOG_TOOL_CALLS = os.getenv("LOG_TOOL_CALLS", "true").lower() == "true"
SUPPRESS_MCP_WARNINGS = os.getenv("SUPPRESS_MCP_WARNINGS", "true").lower() == "true"
# Crash Analysis specific (defaults)
CRASH_SEARCH_PATH = os.getenv("CRASH_SEARCH_PATH", "/var/crash")
# Extensions Configuration
# Auto-load all extensions from CRASH_EXTENSION_PATH (true/false)
CRASH_EXTENSION_LOAD = os.getenv("CRASH_EXTENSION_LOAD", "true").lower() == "true"
# Extension search paths (colon-separated), maps to crash's CRASH_EXTENSIONS env var
# Default includes project lib/crash/extensions
CRASH_EXTENSION_PATH = os.getenv("CRASH_EXTENSION_PATH", "")
# Output Pagination
OUTPUT_TRUNCATE_LINES = int(os.getenv("CRASH_MCP_TRUNCATE_LINES", "20"))
# Session Workdir Base
SESSION_WORKDIR_BASE = os.getenv("CRASH_MCP_WORKDIR", "/tmp/crash-mcp-sessions")
# Command Caching
COMMAND_CACHE_ENABLED = os.getenv("CRASH_MCP_CACHE", "true").lower() == "true"
# External Tools
GET_DUMPINFO_SCRIPT = os.getenv("GET_DUMPINFO_SCRIPT", "")
# External Scripts Path (colon-separated)
# Scripts in these directories are auto-discovered by run_analysis_script
DRGN_SCRIPTS_PATH = os.getenv("DRGN_SCRIPTS_PATH", "")
def get_extension_paths() -> list:
"""Get list of extension search paths for crash extensions."""
from pathlib import Path
paths = []
# 1. User-configured paths (highest priority)
if Config.CRASH_EXTENSION_PATH:
paths.extend(p.strip() for p in Config.CRASH_EXTENSION_PATH.split(":") if p.strip())
# 2. Project lib/crash/extensions (relative to this file: config.py -> crash_mcp -> src -> project)
project_root = Path(__file__).resolve().parent.parent.parent
project_ext = project_root / "lib" / "crash" / "extensions"
if project_ext.exists():
paths.append(str(project_ext))
# 3. User home ~/.crash/extensions
user_ext = Path.home() / ".crash" / "extensions"
if user_ext.exists():
paths.append(str(user_ext))
return paths
