haiku.rag/haiku_rag_slim/haiku/rag/chat/__init__.py
2026-07-24 16:00:01 +03:00

80 lines
2.5 KiB
Python

from pathlib import Path
def run_chat(
db_path: Path | None = None,
read_only: bool = False,
model: str | None = None,
capabilities: list[str] | None = None,
) -> None:
"""Run the chat TUI.
Args:
db_path: Path to the LanceDB database. If None, uses default from config.
read_only: Whether to open the database in read-only mode.
model: Model to use for the chat.
capabilities: Capabilities to enable ("rag", "analysis"). Defaults to ["rag"].
"""
try:
from haiku.rag.chat.app import ChatApp
except ImportError as e:
raise ImportError(
"textual is not installed. Please install it with `pip install 'haiku.rag-slim[tui]'` or use the full haiku.rag package."
) from e
from haiku.rag.config import get_config
from haiku.rag.utils import get_model, parse_model_option
config = get_config()
if db_path is None:
db_path = config.storage.data_dir / "haiku.rag.lancedb"
if model:
model_config = parse_model_option(model)
config.qa.model = model_config
config.analysis.model = model_config
enabled = capabilities or ["rag"]
capability_list = []
defer_loading = len(enabled) > 1
# One agent drives every attached capability, so a capability's
# image-attachment gate must track that single model: analysis.model only
# when analysis runs alone, otherwise qa.model. Passing it to every
# capability keeps their vision flag aligned with the model actually running.
if "rag" not in enabled and "analysis" in enabled:
driving_model = config.analysis.model or config.qa.model
else:
driving_model = config.qa.model
if "rag" in enabled:
from haiku.rag.capabilities.rag import create_capability
capability_list.append(
create_capability(
db_path=db_path,
config=config,
defer_loading=defer_loading,
vision=driving_model.vision,
)
)
if "analysis" in enabled:
from haiku.rag.capabilities.analysis import create_capability
capability_list.append(
create_capability(
db_path=db_path,
config=config,
defer_loading=defer_loading,
vision=driving_model.vision,
)
)
app = ChatApp(
db_path,
capabilities=capability_list,
read_only=read_only,
model=model or get_model(driving_model, config),
)
app.run()