haiku.rag/haiku_rag_slim/haiku/rag/inspector/app.py
2026-03-26 17:42:38 +02:00

251 lines
7.6 KiB
Python

from datetime import datetime
from pathlib import Path
from typing import TYPE_CHECKING
from textual.app import App
from textual.binding import Binding
from textual.screen import Screen
from textual.widgets import Footer, Header
from haiku.rag.client import HaikuRAG
from haiku.rag.config import get_config
from haiku.rag.inspector.widgets.chunk_list import ChunkList
from haiku.rag.inspector.widgets.detail_view import DetailView
from haiku.rag.inspector.widgets.document_list import DocumentList
from haiku.rag.inspector.widgets.search_modal import SearchModal
if TYPE_CHECKING:
from textual.app import ComposeResult
class InspectorApp(App):
"""Textual TUI for inspecting LanceDB data."""
TITLE = "haiku.rag DB Inspector"
CSS = """
Screen {
layout: grid;
grid-size: 2 2;
grid-columns: 1fr 2fr;
grid-rows: 1fr 1fr;
}
#document-list {
column-span: 1;
row-span: 2;
border: solid $primary;
}
#chunk-list {
column-span: 1;
row-span: 1;
border: solid $secondary;
}
#detail-view {
column-span: 1;
row-span: 1;
border: solid $accent;
}
ListItem {
overflow: hidden;
}
ListItem Static {
overflow: hidden;
text-overflow: ellipsis;
}
"""
BINDINGS = [
Binding("q", "quit", "Quit", show=True),
Binding("/", "search", "Search", show=True),
Binding("i", "show_info", "Info", show=True),
Binding("v", "show_visual", "Visual", show=True),
Binding("c", "show_context", "Context", show=True),
]
def __init__(
self, db_path: Path, read_only: bool = False, before: datetime | None = None
):
super().__init__()
self.db_path = db_path
self.read_only = read_only
self.before = before
self.client: HaikuRAG | None = None
def compose(self) -> "ComposeResult":
"""Compose the UI layout."""
yield Header()
yield DocumentList(id="document-list")
yield ChunkList(id="chunk-list")
yield DetailView(id="detail-view")
yield Footer()
async def on_mount(self) -> None:
"""Initialize the app when mounted."""
config = get_config()
self.client = HaikuRAG(
db_path=self.db_path,
config=config,
read_only=self.read_only,
before=self.before,
)
await self.client.__aenter__()
# Load initial documents
doc_list = self.query_one(DocumentList)
await doc_list.load_documents(self.client)
doc_list.list_view.focus()
async def on_unmount(self) -> None:
"""Clean up when unmounting."""
if self.client:
await self.client.__aexit__(None, None, None)
def _select_chunk(self, chunk_list: ChunkList, chunk_id: str) -> None:
"""Helper to select a chunk after refresh."""
for idx, c in enumerate(chunk_list.chunks):
if c.id == chunk_id:
chunk_list.list_view.index = idx
chunk_list.list_view.focus()
break
async def _dismiss_modals(self) -> None:
"""Dismiss all modal screens, returning to the main screen."""
while len(self.screen_stack) > 1:
self.pop_screen()
async def _switch_modal(self, screen: Screen) -> None:
"""Switch to a new modal, dismissing any existing modals first."""
await self._dismiss_modals()
await self.push_screen(screen)
async def action_search(self) -> None:
"""Open search modal."""
if self.client:
await self._switch_modal(SearchModal(self.client))
async def action_show_info(self) -> None:
"""Show database info modal."""
if self.client:
from haiku.rag.inspector.widgets.info_modal import InfoModal
await self._switch_modal(InfoModal(self.client, self.db_path))
async def on_search_modal_chunk_selected(
self, message: SearchModal.ChunkSelected
) -> None:
"""Handle chunk selection from search modal."""
if not self.client:
return
chunk = message.chunk
# Navigate to the document containing this chunk
if chunk.document_id:
doc = await self.client.document_repository.get_by_id(chunk.document_id)
if doc:
doc_list = self.query_one(DocumentList)
chunk_list = self.query_one(ChunkList)
# Find and select the document
for idx, d in enumerate(doc_list.documents):
if d.id == chunk.document_id:
doc_list.list_view.index = idx
break
# Load chunks for this document
await chunk_list.load_chunks_for_document(
self.client, chunk.document_id
)
# Wait a tick for the ListView to process the new items
self.call_after_refresh(self._select_chunk, chunk_list, chunk.id)
async def on_document_list_document_selected(
self, message: DocumentList.DocumentSelected
) -> None:
"""Handle document selection from document list.
Args:
message: Message containing selected document
"""
if not self.client:
return
# Show document details
detail_view = self.query_one(DetailView)
await detail_view.show_document(message.document)
# Load chunks for this document
if message.document.id:
chunk_list = self.query_one(ChunkList)
await chunk_list.load_chunks_for_document(self.client, message.document.id)
async def on_chunk_list_chunk_selected(
self, message: ChunkList.ChunkSelected
) -> None:
"""Handle chunk selection from chunk list.
Args:
message: Message containing selected chunk
"""
# Show chunk details
detail_view = self.query_one(DetailView)
await detail_view.show_chunk(message.chunk)
async def action_show_visual(self) -> None:
"""Show visual grounding for the currently selected chunk."""
if not self.client:
return
chunk_list = self.query_one(ChunkList)
idx = chunk_list.list_view.index
if idx is None or idx >= len(chunk_list.chunks):
return
chunk = chunk_list.chunks[idx]
from haiku.rag.inspector.widgets.visual_modal import VisualGroundingModal
await self._switch_modal(VisualGroundingModal(chunk=chunk, client=self.client))
async def action_show_context(self) -> None:
"""Show how the currently selected chunk would be formatted for agents."""
if not self.client:
return
chunk_list = self.query_one(ChunkList)
idx = chunk_list.list_view.index
if idx is None or idx >= len(chunk_list.chunks):
return
chunk = chunk_list.chunks[idx]
from haiku.rag.inspector.widgets.context_modal import ContextModal
await self._switch_modal(ContextModal(chunk=chunk, client=self.client))
def run_inspector(
db_path: Path | None = None,
read_only: bool = False,
before: datetime | None = None,
) -> None:
"""Run the inspector 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.
before: Query database as it existed before this datetime.
"""
config = get_config()
if db_path is None:
db_path = config.storage.data_dir / "haiku.rag.lancedb"
app = InspectorApp(db_path, read_only=read_only, before=before)
app.run()