Browse Components - Code Extractor

class DocChatEmbeddingFunction

A custom ChromaDB embedding function that generates OpenAI embeddings with automatic text summarization for documents exceeding token limits.

File: /tf/active/vicechatdev/docchat/document_indexer.py | Lines: 128-227

embeddings chromadb openai text-processing summarization

function run_with_timeout

Executes a function with a specified timeout using threading, raising a TimeoutException if the function exceeds the time limit.

File: /tf/active/vicechatdev/docchat/document_indexer.py | Lines: 87-125

timeout threading concurrency execution-control error-handling

class TimeoutException

A custom exception class that is raised when an operation exceeds its allocated time limit.

File: /tf/active/vicechatdev/docchat/document_indexer.py | Lines: 82-84

exception error-handling timeout custom-exception time-management

function on_load

Blueprint initialization hook that loads persisted chat sessions from disk when the DocChat blueprint is registered with the Flask application.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 341-354

flask blueprint initialization lifecycle-hook session-management

function get_available_models

Flask API endpoint that returns a JSON response containing the list of available LLM models and the default model configured in the application.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 331-336

api endpoint flask llm models

function get_history

Flask API endpoint that retrieves chat message history for the current user's session from an in-memory chat_sessions dictionary.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 315-326

flask api-endpoint chat-history session-management authentication

function clear_session

Flask route handler that clears the current user's chat session, deletes associated session data from memory and disk, and creates a new empty session.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 288-310

flask session-management chat api-endpoint authentication

function clear_session_v1

Clears all messages from a chat session identified by session_id, resets the session's updated timestamp, and persists the changes to disk in a thread-safe manner.

File: /tf/active/vicechatdev/docchat/app.py | Lines: 264-271

session-management chat thread-safe persistence state-management

function get_stats

Flask API endpoint that retrieves and returns statistics about a document collection from a RAG (Retrieval-Augmented Generation) system.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 275-283

flask api endpoint statistics rag

function get_task_status

Flask API endpoint that retrieves the current status of a background task by its task ID from an in-memory active_tasks dictionary.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 265-270

flask api rest-endpoint task-status background-task

function get_task_status_v1

Thread-safe function that retrieves the current status of a task from a shared dictionary using a task identifier.

File: /tf/active/vicechatdev/docchat/app.py | Lines: 202-205

threading concurrency task-management status-tracking thread-safe

function index_all_documents

Flask route handler that initiates background indexing of all documents in the system, creating a task ID for tracking progress and returning immediately while indexing continues asynchronously.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 221-260

flask api-endpoint background-task document-indexing async-processing

function upload_document

Flask route handler that processes file uploads, saves them securely to disk, and indexes the document content for retrieval-augmented generation (RAG) search.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 187-216

file-upload document-processing flask-route authentication RAG

function chat

Flask route handler that processes chat requests with RAG (Retrieval-Augmented Generation) capabilities, managing conversation sessions, chat history, and document-based question answering.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 104-182

chat rag retrieval-augmented-generation conversational-ai document-qa

function user_guide_v1

Flask route handler that renders the user guide page for the document chat application.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 97-99

flask route-handler view-function authentication user-guide

function index_v1

Flask route handler that renders the main DocChat interface with document collection statistics.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 86-92

flask route-handler web-interface authentication rag

function save_session_to_disk_v1

Persists a chat session to disk by serializing session data to a JSON file, converting datetime objects to ISO format strings for storage.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 52-65

persistence session-management file-io serialization json

function get_current_username

Retrieves the current user's username from Flask-Login's current_user object or falls back to the Flask session, returning 'anonymous' if neither is available.

File: /tf/active/vicechatdev/docchat/blueprint.py | Lines: 42-49

authentication flask user-management session flask-login

function get_adjusted_top_k

Calculates an adjusted top_k value for multi-language search operations by multiplying the base value by the number of languages to ensure sufficient results per language.

File: /tf/active/vicechatdev/docchat/config.py | Lines: 171-189

multi-language search top-k result-scaling internationalization

class DocChatRAG

Main RAG engine with three operating modes: 1. Basic RAG (similarity search) 2. Extensive (full document retrieval with preprocessing) 3. Full Reading (process all documents)

File: /tf/active/vicechatdev/docchat/rag_engine.py | Lines: 330-2989

class docchatrag