nanobot/nanobot/utils/helpers.py

81 lines
2.1 KiB
Python

"""Utility functions for nanobot."""
from pathlib import Path
from datetime import datetime
def ensure_dir(path: Path) -> Path:
"""Ensure a directory exists, creating it if necessary."""
path.mkdir(parents=True, exist_ok=True)
return path
def get_data_path() -> Path:
"""Get the nanobot data directory (~/.nanobot)."""
return ensure_dir(Path.home() / ".nanobot")
def get_workspace_path(workspace: str | None = None) -> Path:
"""
Get the workspace path.
Args:
workspace: Optional workspace path. Defaults to ~/.nanobot/workspace.
Returns:
Expanded and ensured workspace path.
"""
if workspace:
path = Path(workspace).expanduser()
else:
path = Path.home() / ".nanobot" / "workspace"
return ensure_dir(path)
def get_sessions_path() -> Path:
"""Get the sessions storage directory."""
return ensure_dir(get_data_path() / "sessions")
def get_skills_path(workspace: Path | None = None) -> Path:
"""Get the skills directory within the workspace."""
ws = workspace or get_workspace_path()
return ensure_dir(ws / "skills")
def timestamp() -> str:
"""Get current timestamp in ISO format."""
return datetime.now().isoformat()
def truncate_string(s: str, max_len: int = 100, suffix: str = "...") -> str:
"""Truncate a string to max length, adding suffix if truncated."""
if len(s) <= max_len:
return s
return s[: max_len - len(suffix)] + suffix
def safe_filename(name: str) -> str:
"""Convert a string to a safe filename."""
# Replace unsafe characters
unsafe = '<>:"/\\|?*'
for char in unsafe:
name = name.replace(char, "_")
return name.strip()
def parse_session_key(key: str) -> tuple[str, str]:
"""
Parse a session key into channel and chat_id.
Args:
key: Session key in format "channel:chat_id"
Returns:
Tuple of (channel, chat_id)
"""
parts = key.split(":", 1)
if len(parts) != 2:
raise ValueError(f"Invalid session key: {key}")
return parts[0], parts[1]