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Browse files- .gitignore +160 -0
- Dockerfile +20 -0
- LICENSE +21 -0
- README.md +30 -12
- chatbot_app.py +171 -0
- constants.py +8 -0
- ingest.py +32 -0
- requirements.txt +21 -0
.gitignore
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# Byte-compiled / optimized / DLL files
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__pycache__/
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*.py[cod]
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*$py.class
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# C extensions
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*.so
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# Distribution / packaging
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.Python
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build/
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develop-eggs/
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dist/
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downloads/
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eggs/
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.eggs/
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lib/
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lib64/
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parts/
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sdist/
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var/
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wheels/
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share/python-wheels/
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*.egg-info/
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.installed.cfg
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*.egg
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MANIFEST
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# PyInstaller
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# Usually these files are written by a python script from a template
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# before PyInstaller builds the exe, so as to inject date/other infos into it.
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*.manifest
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*.spec
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# Installer logs
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pip-log.txt
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pip-delete-this-directory.txt
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# Unit test / coverage reports
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htmlcov/
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.tox/
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.nox/
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.coverage
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.coverage.*
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.cache
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nosetests.xml
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coverage.xml
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*.cover
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*.py,cover
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.hypothesis/
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.pytest_cache/
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cover/
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# Translations
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*.mo
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*.pot
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# Django stuff:
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*.log
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local_settings.py
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db.sqlite3
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db.sqlite3-journal
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instance/
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target/
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# Jupyter Notebook
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# IPython
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profile_default/
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ipython_config.py
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# pyenv
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# For a library or package, you might want to ignore these files since the code is
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# intended to run in multiple environments; otherwise, check them in:
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# .python-version
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# pipenv
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# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
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# However, in case of collaboration, if having platform-specific dependencies or dependencies
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# having no cross-platform support, pipenv may install dependencies that don't work, or not
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# install all needed dependencies.
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#Pipfile.lock
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# poetry
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# Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
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# This is especially recommended for binary packages to ensure reproducibility, and is more
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# commonly ignored for libraries.
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# https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
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#poetry.lock
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# pdm
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# Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
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#pdm.lock
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# pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
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# in version control.
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# https://pdm.fming.dev/#use-with-ide
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.pdm.toml
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# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
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__pypackages__/
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# Celery stuff
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celerybeat-schedule
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celerybeat.pid
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# SageMath parsed files
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*.sage.py
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# Environments
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.env
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.venv
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env/
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venv/
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ENV/
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env.bak/
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venv.bak/
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# Spyder project settings
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.spyderproject
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.spyproject
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# Rope project settings
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.ropeproject
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# mkdocs documentation
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/site
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# mypy
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.mypy_cache/
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.dmypy.json
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dmypy.json
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# Pyre type checker
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.pyre/
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# pytype static type analyzer
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.pytype/
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# Cython debug symbols
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cython_debug/
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# PyCharm
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# JetBrains specific template is maintained in a separate JetBrains.gitignore that can
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# be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
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# and can be added to the global gitignore or merged into this file. For a more nuclear
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# option (not recommended) you can uncomment the following to ignore the entire idea folder.
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#.idea/
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Dockerfile
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# Use the official Python image
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FROM python:3.10
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# Set the working directory inside the container
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WORKDIR /app
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# Copy the requirements.txt file first to leverage Docker cache
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COPY requirements.txt .
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# Install required Python packages
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RUN pip install -r requirements.txt --default-timeout=100 future
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# Copy the rest of the application files to the container's working directory
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COPY . .
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# Expose the port that Streamlit will run on
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EXPOSE 8501
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# Command to run your Streamlit application
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CMD ["streamlit", "run", "chatbot_app.py"]
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LICENSE
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MIT License
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Copyright (c) 2023 AI Anytime
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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README.md
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# Chat-with-PDF-Chatbot
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This Chatbot is an interactive app developed to assist users to interact with their PDF. It is built using Open Source Stack. No OpenAI is required.
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## Getting Started
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Follow these steps to set up and run the project on your local machine.
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### Installation
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```sh
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## Clone the repository
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git clone <repository_url>
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## Create the necessary folders
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mkdir db
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mkdir models
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## Add your model files to the 'models' folder
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mkdir docs
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----
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### Usage
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## Run the ingestion script to prepare the data
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`python ingest.py`
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## Start the chatbot application using Streamlit
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`streamlit run chatbot_app.py`
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chatbot_app.py
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import streamlit as st
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import os
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import base64
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import time
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from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
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from transformers import pipeline
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import torch
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import textwrap
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from langchain.document_loaders import PyPDFLoader, DirectoryLoader, PDFMinerLoader
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from langchain.text_splitter import RecursiveCharacterTextSplitter
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from langchain.embeddings import SentenceTransformerEmbeddings
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from langchain.vectorstores import Chroma
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from langchain.llms import HuggingFacePipeline
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from langchain.chains import RetrievalQA
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from constants import CHROMA_SETTINGS
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from streamlit_chat import message
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st.set_page_config(layout="wide")
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device = torch.device('cpu')
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checkpoint = "MBZUAI/LaMini-T5-738M"
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print(f"Checkpoint path: {checkpoint}") # Add this line for debugging
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tokenizer = AutoTokenizer.from_pretrained(checkpoint)
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base_model = AutoModelForSeq2SeqLM.from_pretrained(
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checkpoint,
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device_map=device,
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torch_dtype=torch.float32
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)
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persist_directory = "db"
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@st.cache_resource
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def data_ingestion():
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for root, dirs, files in os.walk("docs"):
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for file in files:
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if file.endswith(".pdf"):
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print(file)
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loader = PDFMinerLoader(os.path.join(root, file))
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documents = loader.load()
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text_splitter = RecursiveCharacterTextSplitter(chunk_size=500, chunk_overlap=500)
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texts = text_splitter.split_documents(documents)
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#create embeddings here
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embeddings = SentenceTransformerEmbeddings(model_name="all-MiniLM-L6-v2")
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#create vector store here
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db = Chroma.from_documents(texts, embeddings, persist_directory=persist_directory, client_settings=CHROMA_SETTINGS)
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db.persist()
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48 |
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db=None
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49 |
+
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@st.cache_resource
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def llm_pipeline():
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pipe = pipeline(
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'text2text-generation',
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model = base_model,
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tokenizer = tokenizer,
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max_length = 256,
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do_sample = True,
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temperature = 0.3,
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top_p= 0.95,
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device=device
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)
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local_llm = HuggingFacePipeline(pipeline=pipe)
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return local_llm
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@st.cache_resource
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def qa_llm():
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llm = llm_pipeline()
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embeddings = SentenceTransformerEmbeddings(model_name="all-MiniLM-L6-v2")
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db = Chroma(persist_directory="db", embedding_function = embeddings, client_settings=CHROMA_SETTINGS)
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retriever = db.as_retriever()
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qa = RetrievalQA.from_chain_type(
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72 |
+
llm = llm,
|
73 |
+
chain_type = "stuff",
|
74 |
+
retriever = retriever,
|
75 |
+
return_source_documents=True
|
76 |
+
)
|
77 |
+
return qa
|
78 |
+
|
79 |
+
def process_answer(instruction):
|
80 |
+
response = ''
|
81 |
+
instruction = instruction
|
82 |
+
qa = qa_llm()
|
83 |
+
generated_text = qa(instruction)
|
84 |
+
answer = generated_text['result']
|
85 |
+
return answer
|
86 |
+
|
87 |
+
def get_file_size(file):
|
88 |
+
file.seek(0, os.SEEK_END)
|
89 |
+
file_size = file.tell()
|
90 |
+
file.seek(0)
|
91 |
+
return file_size
|
92 |
+
|
93 |
+
@st.cache_data
|
94 |
+
#function to display the PDF of a given file
|
95 |
+
def displayPDF(file):
|
96 |
+
# Opening file from file path
|
97 |
+
with open(file, "rb") as f:
|
98 |
+
base64_pdf = base64.b64encode(f.read()).decode('utf-8')
|
99 |
+
|
100 |
+
# Embedding PDF in HTML
|
101 |
+
pdf_display = F'<iframe src="data:application/pdf;base64,{base64_pdf}" width="100%" height="600" type="application/pdf"></iframe>'
|
102 |
+
|
103 |
+
# Displaying File
|
104 |
+
st.markdown(pdf_display, unsafe_allow_html=True)
|
105 |
+
|
106 |
+
# Display conversation history using Streamlit messages
|
107 |
+
def display_conversation(history):
|
108 |
+
for i in range(len(history["generated"])):
|
109 |
+
message(history["past"][i], is_user=True, key=str(i) + "_user")
|
110 |
+
message(history["generated"][i],key=str(i))
|
111 |
+
|
112 |
+
def main():
|
113 |
+
st.markdown("<h1 style='text-align: center; color: blue;'>Chat with your PDF 🦜📄 </h1>", unsafe_allow_html=True)
|
114 |
+
st.markdown("<h3 style='text-align: center; color: grey;'>Built by <a href='https://github.com/AIAnytime'>AI Anytime with ❤️ </a></h3>", unsafe_allow_html=True)
|
115 |
+
|
116 |
+
st.markdown("<h2 style='text-align: center; color:red;'>Upload your PDF 👇</h2>", unsafe_allow_html=True)
|
117 |
+
|
118 |
+
uploaded_file = st.file_uploader("", type=["pdf"])
|
119 |
+
|
120 |
+
if uploaded_file is not None:
|
121 |
+
file_details = {
|
122 |
+
"Filename": uploaded_file.name,
|
123 |
+
"File size": get_file_size(uploaded_file)
|
124 |
+
}
|
125 |
+
filepath = "docs/"+uploaded_file.name
|
126 |
+
with open(filepath, "wb") as temp_file:
|
127 |
+
temp_file.write(uploaded_file.read())
|
128 |
+
|
129 |
+
col1, col2= st.columns([1,2])
|
130 |
+
with col1:
|
131 |
+
st.markdown("<h4 style color:black;'>File details</h4>", unsafe_allow_html=True)
|
132 |
+
st.json(file_details)
|
133 |
+
st.markdown("<h4 style color:black;'>File preview</h4>", unsafe_allow_html=True)
|
134 |
+
pdf_view = displayPDF(filepath)
|
135 |
+
|
136 |
+
with col2:
|
137 |
+
with st.spinner('Embeddings are in process...'):
|
138 |
+
ingested_data = data_ingestion()
|
139 |
+
st.success('Embeddings are created successfully!')
|
140 |
+
st.markdown("<h4 style color:black;'>Chat Here</h4>", unsafe_allow_html=True)
|
141 |
+
|
142 |
+
|
143 |
+
user_input = st.text_input("", key="input")
|
144 |
+
|
145 |
+
# Initialize session state for generated responses and past messages
|
146 |
+
if "generated" not in st.session_state:
|
147 |
+
st.session_state["generated"] = ["I am ready to help you"]
|
148 |
+
if "past" not in st.session_state:
|
149 |
+
st.session_state["past"] = ["Hey there!"]
|
150 |
+
|
151 |
+
# Search the database for a response based on user input and update session state
|
152 |
+
if user_input:
|
153 |
+
answer = process_answer({'query': user_input})
|
154 |
+
st.session_state["past"].append(user_input)
|
155 |
+
response = answer
|
156 |
+
st.session_state["generated"].append(response)
|
157 |
+
|
158 |
+
# Display conversation history using Streamlit messages
|
159 |
+
if st.session_state["generated"]:
|
160 |
+
display_conversation(st.session_state)
|
161 |
+
|
162 |
+
|
163 |
+
|
164 |
+
|
165 |
+
|
166 |
+
|
167 |
+
|
168 |
+
if __name__ == "__main__":
|
169 |
+
main()
|
170 |
+
|
171 |
+
|
constants.py
ADDED
@@ -0,0 +1,8 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
import os
|
2 |
+
import chromadb
|
3 |
+
from chromadb.config import Settings
|
4 |
+
CHROMA_SETTINGS = Settings(
|
5 |
+
chroma_db_impl='duckdb+parquet',
|
6 |
+
persist_directory='db',
|
7 |
+
anonymized_telemetry=False
|
8 |
+
)
|
ingest.py
ADDED
@@ -0,0 +1,32 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
from langchain.document_loaders import PyPDFLoader, DirectoryLoader, PDFMinerLoader
|
2 |
+
from langchain.text_splitter import RecursiveCharacterTextSplitter
|
3 |
+
from langchain.embeddings import SentenceTransformerEmbeddings
|
4 |
+
from langchain.vectorstores import Chroma
|
5 |
+
import os
|
6 |
+
from constants import CHROMA_SETTINGS
|
7 |
+
|
8 |
+
persist_directory = "db"
|
9 |
+
|
10 |
+
def main():
|
11 |
+
for root, dirs, files in os.walk("docs"):
|
12 |
+
for file in files:
|
13 |
+
if file.endswith(".pdf"):
|
14 |
+
print(file)
|
15 |
+
loader = PyPDFLoader(os.path.join(root, file))
|
16 |
+
documents = loader.load()
|
17 |
+
print("splitting into chunks")
|
18 |
+
text_splitter = RecursiveCharacterTextSplitter(chunk_size=500, chunk_overlap=100)
|
19 |
+
texts = text_splitter.split_documents(documents)
|
20 |
+
#create embeddings here
|
21 |
+
print("Loading sentence transformers model")
|
22 |
+
embeddings = SentenceTransformerEmbeddings(model_name="all-MiniLM-L6-v2")
|
23 |
+
#create vector store here
|
24 |
+
print(f"Creating embeddings. May take some minutes...")
|
25 |
+
db = Chroma.from_documents(texts, embeddings, persist_directory=persist_directory, client_settings=CHROMA_SETTINGS)
|
26 |
+
db.persist()
|
27 |
+
db=None
|
28 |
+
|
29 |
+
print(f"Ingestion complete! You can now run privateGPT.py to query your documents")
|
30 |
+
|
31 |
+
if __name__ == "__main__":
|
32 |
+
main()
|
requirements.txt
ADDED
@@ -0,0 +1,21 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
langchain==0.0.267
|
2 |
+
streamlit==1.25.0
|
3 |
+
transformers==4.31.0
|
4 |
+
torch==2.0.1
|
5 |
+
einops==0.6.1
|
6 |
+
bitsandbytes==0.41.1
|
7 |
+
accelerate==0.21.0
|
8 |
+
pdfminer.six==20221105
|
9 |
+
bs4==0.0.1
|
10 |
+
sentence_transformers
|
11 |
+
duckdb==0.7.1
|
12 |
+
chromadb==0.3.26
|
13 |
+
beautifulsoup4==4.12.2
|
14 |
+
sentence-transformers==2.2.2
|
15 |
+
sentencepiece==0.1.99
|
16 |
+
six==1.16.0
|
17 |
+
requests==2.31.0
|
18 |
+
uvicorn==0.18.3
|
19 |
+
torch==2.0.1
|
20 |
+
torchvision==0.15.2
|
21 |
+
streamlit-chat
|