nanobot/nanobot/config/loader.py

107 lines
3.1 KiB
Python

"""Configuration loading utilities."""
import json
from pathlib import Path
from typing import Any
from nanobot.config.schema import Config
def get_config_path() -> Path:
"""Get the default configuration file path."""
return Path.home() / ".nanobot" / "config.json"
def get_data_dir() -> Path:
"""Get the nanobot data directory."""
from nanobot.utils.helpers import get_data_path
return get_data_path()
def load_config(config_path: Path | None = None) -> Config:
"""
Load configuration from file or create default.
Args:
config_path: Optional path to config file. Uses default if not provided.
Returns:
Loaded configuration object.
"""
path = config_path or get_config_path()
if path.exists():
try:
with open(path) as f:
data = json.load(f)
data = _migrate_config(data)
return Config.model_validate(convert_keys(data))
except (json.JSONDecodeError, ValueError) as e:
print(f"Warning: Failed to load config from {path}: {e}")
print("Using default configuration.")
return Config()
def save_config(config: Config, config_path: Path | None = None) -> None:
"""
Save configuration to file.
Args:
config: Configuration to save.
config_path: Optional path to save to. Uses default if not provided.
"""
path = config_path or get_config_path()
path.parent.mkdir(parents=True, exist_ok=True)
# Convert to camelCase format
data = config.model_dump()
data = convert_to_camel(data)
with open(path, "w") as f:
json.dump(data, f, indent=2)
def _migrate_config(data: dict) -> dict:
"""Migrate old config formats to current."""
# Move tools.exec.restrictToWorkspace → tools.restrictToWorkspace
tools = data.get("tools", {})
exec_cfg = tools.get("exec", {})
if "restrictToWorkspace" in exec_cfg and "restrictToWorkspace" not in tools:
tools["restrictToWorkspace"] = exec_cfg.pop("restrictToWorkspace")
return data
def convert_keys(data: Any) -> Any:
"""Convert camelCase keys to snake_case for Pydantic."""
if isinstance(data, dict):
return {camel_to_snake(k): convert_keys(v) for k, v in data.items()}
if isinstance(data, list):
return [convert_keys(item) for item in data]
return data
def convert_to_camel(data: Any) -> Any:
"""Convert snake_case keys to camelCase."""
if isinstance(data, dict):
return {snake_to_camel(k): convert_to_camel(v) for k, v in data.items()}
if isinstance(data, list):
return [convert_to_camel(item) for item in data]
return data
def camel_to_snake(name: str) -> str:
"""Convert camelCase to snake_case."""
result = []
for i, char in enumerate(name):
if char.isupper() and i > 0:
result.append("_")
result.append(char.lower())
return "".join(result)
def snake_to_camel(name: str) -> str:
"""Convert snake_case to camelCase."""
components = name.split("_")
return components[0] + "".join(x.title() for x in components[1:])