haiku.rag/haiku_rag_slim/haiku/rag/inspector/app.py

298 lines
10 KiB
Python

# pyright: reportPossiblyUnboundVariable=false
from pathlib import Path
from typing import TYPE_CHECKING
from haiku.rag.client import HaikuRAG
from haiku.rag.config import get_config
if TYPE_CHECKING:
from textual.app import ComposeResult
try:
from textual.app import App
from textual.binding import Binding
from textual.containers import Container
from textual.widgets import Footer, Header, Input, ListItem, Static
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
TEXTUAL_AVAILABLE = True
except ImportError:
TEXTUAL_AVAILABLE = False
App = object # type: ignore
class InspectorApp(App): # type: ignore[misc]
"""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;
}
#search-container {
dock: top;
height: 3;
background: $panel;
display: none;
}
#search-container.visible {
display: block;
}
#search-input {
width: 1fr;
}
"""
BINDINGS = [
Binding("q", "quit", "Quit", show=True),
Binding("/", "search", "Search", show=True),
]
def __init__(self, db_path: Path):
super().__init__()
self.db_path = db_path
self.client: HaikuRAG | None = None
self.search_visible = False
self.search_active = False
# Track current selection for easy restoration
self.current_document_id: str | None = None
self.current_chunk_id: str | None = None
def compose(self) -> "ComposeResult":
"""Compose the UI layout."""
yield Header()
with Container(id="search-container"):
yield Input(placeholder="Search chunks...", id="search-input")
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, allow_create=False)
await self.client.__aenter__()
# Load initial documents
doc_list = self.query_one(DocumentList)
await doc_list.load_documents(self.client)
# Select first document and load its chunks
if doc_list.documents and doc_list.list_view:
doc_list.list_view.index = 0
first_doc = doc_list.documents[0]
self.current_document_id = first_doc.id
if first_doc.id:
chunk_list = self.query_one(ChunkList)
await chunk_list.load_chunks_for_document(self.client, first_doc.id)
# Select first chunk
if chunk_list.chunks and chunk_list.list_view:
chunk_list.list_view.index = 0
self.current_chunk_id = chunk_list.chunks[0].id
# Focus the document list view
if doc_list.list_view:
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)
async def action_search(self) -> None:
"""Toggle search input visibility."""
search_container = self.query_one("#search-container", Container)
search_input = self.query_one("#search-input", Input)
if self.search_visible:
search_container.remove_class("visible")
search_input.value = ""
self.search_visible = False
self.search_active = False
# Restore full document list and reload chunks for selected document
if self.client:
doc_list = self.query_one(DocumentList)
chunk_list = self.query_one(ChunkList)
# Reload all documents
await doc_list.load_documents(self.client)
# Restore document and chunk selection
if (
self.current_document_id
and doc_list.list_view
and doc_list.documents
):
# Find and select the document
doc_found = False
for idx, doc in enumerate(doc_list.documents):
if doc.id == self.current_document_id:
doc_list.list_view.index = idx
doc_found = True
break
# Reload chunks for this document (without scores)
if doc_found:
await chunk_list.load_chunks_for_document(
self.client, self.current_document_id
)
# Restore chunk selection and show it in detail view
if (
self.current_chunk_id
and chunk_list.list_view
and chunk_list.chunks
):
for idx, chunk in enumerate(chunk_list.chunks):
if chunk.id == self.current_chunk_id:
chunk_list.list_view.index = idx
# Show the chunk in detail view
detail_view = self.query_one(DetailView)
await detail_view.show_chunk(chunk)
break
# Focus back to document list to show selection
doc_list.list_view.focus()
else:
search_container.add_class("visible")
search_input.focus()
self.search_visible = True
async def on_input_submitted(self, event: Input.Submitted) -> None:
"""Handle search input submission."""
if event.input.id == "search-input" and self.client:
query = event.value.strip()
if query:
self.search_active = True
chunk_list = self.query_one(ChunkList)
await chunk_list.load_chunks_from_search(self.client, query)
# Get unique document IDs from the search results
doc_ids = list(
{
chunk.document_id
for chunk in chunk_list.chunks
if chunk.document_id
}
)
# Update document list to show only documents with matching chunks
if doc_ids:
doc_list = self.query_one(DocumentList)
documents = []
for doc_id in doc_ids:
doc = await self.client.document_repository.get_by_id(doc_id)
if doc:
documents.append(doc)
# Update the document list with filtered documents
doc_list.documents = documents
if doc_list.list_view:
await doc_list.list_view.clear()
for doc in documents:
title = doc.title or doc.uri or doc.id or "Untitled"
item = ListItem(Static(f"{title}"))
await doc_list.list_view.append(item)
# Select first chunk and focus the chunk list
if chunk_list.list_view:
if chunk_list.chunks:
chunk_list.list_view.index = 0
chunk_list.list_view.focus()
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
# Always track current document (even during search)
self.current_document_id = message.document.id
# Show document details
detail_view = self.query_one(DetailView)
await detail_view.show_document(message.document)
# Load chunks for this document (but not during search - preserve search results)
if message.document.id and not self.search_active:
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
"""
# Always track current chunk (even during search)
self.current_chunk_id = message.chunk.id
# Show chunk details
detail_view = self.query_one(DetailView)
await detail_view.show_chunk(message.chunk)
# Track the document this chunk belongs to
if message.chunk.document_id:
self.current_document_id = message.chunk.document_id
def run_inspector(db_path: Path | None = None) -> None:
"""Run the inspector TUI.
Args:
db_path: Path to the LanceDB database. If None, uses default from config.
"""
config = get_config()
if db_path is None:
db_path = config.storage.data_dir / "haiku.rag.lancedb"
app = InspectorApp(db_path)
app.run()