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Browse files- README.md +14 -0
- app.py +158 -0
- gitattributes +44 -0
- gitignore +4 -0
- requirements.txt +7 -0
README.md
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---
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title: LS Chat App
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emoji: 🔍
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colorFrom: blue
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colorTo: blue
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sdk: streamlit
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sdk_version: 1.42.0
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app_file: app.py
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pinned: false
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---
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# LS Chat App
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It is a chat app built using Streamlit that allows users to interact with an AI model to communicate about www.Status.law
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app.py
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import os
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import streamlit as st
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from dotenv import load_dotenv
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from langchain_groq import ChatGroq
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from langchain_huggingface import HuggingFaceEmbeddings
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from langchain_community.vectorstores import InMemoryVectorStore
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from langchain_text_splitters import RecursiveCharacterTextSplitter
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from langchain_community.document_loaders import WebBaseLoader
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from langchain_core.prompts import PromptTemplate
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from langchain_core.output_parsers import StrOutputParser
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from langchain_core.runnables import RunnablePassthrough, RunnableLambda
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from requests.exceptions import RequestException
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# Загружаем переменные окружения (если работаем локально)
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# load_dotenv(verbose=True)
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# Определяем, работает ли код локально (например, если `.env` существует)
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is_local = os.path.exists(".env")
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# Загружаем переменные окружения, если работаем локально
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if is_local:
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load_dotenv(verbose=True)
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# Загружаем API-ключи через Streamlit secrets (для облачного запуска)
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try:
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GROQ_API_KEY = st.secrets["GROQ_API_KEY"]
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USER_AGENT = st.secrets["USER_AGENT"]
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LANGSMITH_TRACING = st.secrets["LANGSMITH_TRACING"]
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LANGSMITH_ENDPOINT = st.secrets["LANGSMITH_ENDPOINT"]
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LANGSMITH_API_KEY = st.secrets["LANGSMITH_API_KEY"]
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LANGSMITH_PROJECT = st.secrets["LANGSMITH_PROJECT"]
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OPENAI_API_KEY = st.secrets["OPENAI_API_KEY"]
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except FileNotFoundError:
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# Если secrets.toml не найден, используем переменные окружения
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GROQ_API_KEY = os.getenv("GROQ_API_KEY")
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USER_AGENT = os.getenv("USER_AGENT")
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LANGSMITH_TRACING = os.getenv("LANGSMITH_TRACING")
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LANGSMITH_ENDPOINT = os.getenv("LANGSMITH_ENDPOINT")
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LANGSMITH_API_KEY = os.getenv("LANGSMITH_API_KEY")
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LANGSMITH_PROJECT = os.getenv("LANGSMITH_PROJECT")
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OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
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# Проверяем, заданы ли API-ключи
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if not GROQ_API_KEY:
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st.error("Ошибка: GROQ_API_KEY не задана в переменных окружения.")
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st.stop()
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if not USER_AGENT:
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st.error("Ошибка: USER_AGENT не задана в переменных окружения.")
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st.stop()
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if not LANGSMITH_TRACING:
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st.error("Ошибка: LANGSMITH_TRACING не задана в переменных окружения.")
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st.stop()
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if not LANGSMITH_ENDPOINT:
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st.error("Ошибка: LANGSMITH_ENDPOINT не задана в переменных окружения.")
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st.stop()
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if not LANGSMITH_API_KEY:
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st.error("Ошибка: LANGSMITH_API_KEY не задана в переменных окружения.")
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st.stop()
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if not LANGSMITH_PROJECT:
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st.error("Ошибка: LANGSMITH_PROJECT не задана в переменных окружения.")
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st.stop()
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if not OPENAI_API_KEY :
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st.error("Ошибка: OPENAI_API_KEY не задана в переменных окружения.")
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st.stop()
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# Настройка LLM
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try:
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llm = ChatGroq(
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model_name="llama-3.3-70b-versatile",
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temperature=0.6,
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api_key=GROQ_API_KEY
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)
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print("[DEBUG] LLM успешно инициализирован")
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except Exception as e:
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print(f"[ERROR] Ошибка инициализации LLM: {e}")
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# Настройка эмбеддингов
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embeddings_model = HuggingFaceEmbeddings(model_name="intfloat/multilingual-e5-large-instruct")
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print("[DEBUG] Модель эмбеддингов загружена")
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# Функция загрузки только англоязычного контента
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def load_english_pages(urls):
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english_docs = []
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for url in urls:
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if not any(lang in url for lang in ["/ru", "/ar", "/es", "/ch"]):
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try:
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loader = WebBaseLoader(url)
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documents = loader.load()
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if documents:
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english_docs.extend(documents)
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print(f"[DEBUG] Загружен контент с {url}")
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except RequestException as e:
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print(f"[ERROR] Ошибка загрузки страницы {url}: {e}")
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return english_docs
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# Пример URL, где английские страницы без префиксов
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urls = ["https://status.law/about", "https://status.law/", "https://status.law/contact"]
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documents = load_english_pages(urls)
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# Разбиваем на фрагменты
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text_splitter = RecursiveCharacterTextSplitter(chunk_size=500, chunk_overlap=100)
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chunks = text_splitter.split_documents(documents)
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print(f"[DEBUG] Разбито на {len(chunks)} фрагментов")
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# Создание векторного хранилища
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vector_store = InMemoryVectorStore.from_documents(chunks, embeddings_model)
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retriever = vector_store.as_retriever()
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print("[DEBUG] Векторное хранилище создано")
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# ��ромпт для бота
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template = """
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You are a helpful legal assistant that answers questions based on information from status.law.
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Answer accurately and concisely.
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Question: {question}
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Only use the provided context to answer the question.
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Context: {context}
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"""
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prompt = PromptTemplate.from_template(template)
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# История сообщений
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def format_history(message_history):
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formatted = ""
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for msg in message_history:
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formatted += f"User: {msg['question']}\nBot: {msg['answer']}\n\n"
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return formatted
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message_history = []
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# Интерфейс Streamlit
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st.set_page_config(page_title="Legal Chatbot", page_icon="🤖")
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st.title("🤖 Legal Chatbot")
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st.write("Этот бот отвечает на юридические вопросы, используя информацию с сайта status.law.")
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# Поле для ввода вопроса
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user_input = st.text_input("Введите ваш вопрос:")
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if st.button("Отправить"):
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if user_input:
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# Получаем релевантные документы из ретривера
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retrieved_docs = retriever.get_relevant_documents(user_input)
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# Формируем текстовый контекст из документов
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context_text = "\n\n".join([doc.page_content for doc in retrieved_docs])
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# Создание цепочки обработки запроса
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chain = (
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RunnableLambda(lambda x: {"context": context_text, "question": x["question"]})
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| prompt
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| llm
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| StrOutputParser()
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)
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# Запуск цепочки
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response = chain.invoke({"question": user_input, "context": context_text})
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# Добавляем в историю сообщений
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message_history.append({"question": user_input, "answer": response})
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# Выводим ответ
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st.write(response)
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gitattributes
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*.7z filter=lfs diff=lfs merge=lfs -text
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*.arrow filter=lfs diff=lfs merge=lfs -text
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*.bin filter=lfs diff=lfs merge=lfs -text
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*.bz2 filter=lfs diff=lfs merge=lfs -text
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*.ckpt filter=lfs diff=lfs merge=lfs -text
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*.ftz filter=lfs diff=lfs merge=lfs -text
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*.gz filter=lfs diff=lfs merge=lfs -text
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*.h5 filter=lfs diff=lfs merge=lfs -text
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*.joblib filter=lfs diff=lfs merge=lfs -text
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*.lfs.* filter=lfs diff=lfs merge=lfs -text
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*.mlmodel filter=lfs diff=lfs merge=lfs -text
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*.model filter=lfs diff=lfs merge=lfs -text
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*.msgpack filter=lfs diff=lfs merge=lfs -text
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*.npy filter=lfs diff=lfs merge=lfs -text
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*.npz filter=lfs diff=lfs merge=lfs -text
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*.onnx filter=lfs diff=lfs merge=lfs -text
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*.ot filter=lfs diff=lfs merge=lfs -text
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*.parquet filter=lfs diff=lfs merge=lfs -text
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*.pb filter=lfs diff=lfs merge=lfs -text
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*.pickle filter=lfs diff=lfs merge=lfs -text
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*.pkl filter=lfs diff=lfs merge=lfs -text
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*.pt filter=lfs diff=lfs merge=lfs -text
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*.pth filter=lfs diff=lfs merge=lfs -text
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*.rar filter=lfs diff=lfs merge=lfs -text
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*.safetensors filter=lfs diff=lfs merge=lfs -text
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saved_model/**/* filter=lfs diff=lfs merge=lfs -text
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*.tar.* filter=lfs diff=lfs merge=lfs -text
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*.tar filter=lfs diff=lfs merge=lfs -text
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*.tflite filter=lfs diff=lfs merge=lfs -text
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*.tgz filter=lfs diff=lfs merge=lfs -text
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*.wasm filter=lfs diff=lfs merge=lfs -text
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*.xz filter=lfs diff=lfs merge=lfs -text
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* text=auto eol=crlf
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*.bin binary
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.gitignore text eol=lf
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.gitattributes text eol=lf
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gitignore
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*.env
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venv
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.streamlit/secrets.toml
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requirements.txt
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streamlit
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langchain-community
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langchain-core
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langchain-huggingface
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langchain-groq
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python-dotenv
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beautifulsoup4
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