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📄 File-Based Chatbot with Google Gemini

This project is a Django web application that allows you to upload a file (TXT, PDF, DOCX), extract its text, and then chat with a chatbot powered by Google Gemini — with the conversation based entirely on the uploaded file’s content.

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🚀 Features

• 📂 Upload Files: Supports .txt, .pdf, .docx formats.
• 🧠 Text Extraction: Automatically reads and processes file content.
• 💬 Interactive Chat: Ask questions and receive answers only from your uploaded file.
• 🔄 Persistent Context: The chatbot remembers your uploaded file during the session.
• 🖥 User-Friendly Interface: File upload + chat input on the same page.

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🛠️ Tech Stack

• Backend: Django
• AI Model: Google Gemini API
• Frontend: HTML + Django Templates
• File Parsing:
• PyPDF2 for PDFs
• python-docx for DOCX
• Built-in Python for TXT

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📦 Installation

1. Clone the repository ```bash git clone https://github.com/yourusername/gemini-file-chatbot.git cd gemini-file-chatbot

2. Create and activate a virtual environment

bash python -m venv venv source venv/bin/activate # On Mac/Linux venv\Scripts\activate # On Windows

1. Install dependencies

bash pip install -r requirements.txt

1. Set up environment variables Create a .env file in the project root and add:

env GOOGLE_API_KEY=your_google_gemini_api_key

1. Run database migrations

bash python manage.py migrate

1. Start the development server

bash python manage.py runserver

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📄 Usage

1. Go to http://127.0.0.1:8000/chatbot/
2. Upload your file (.txt, .pdf, .docx).
3. Once uploaded, an input box will appear.
4. Type your questions — responses are based only on your uploaded file.

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📂 Project Structure

project_root/ │ ├── app/ │ ├── models.py # File model with text storage │ ├── forms.py # Upload form │ ├── views.py # Upload + chat logic │ ├── gemini.py # Google Gemini API wrapper │ ├── templates/ │ │ └── chatbot.html # Main chatbot page │ ├── manage.py ├── requirements.txt ├── README.md

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📜 Example

Upload File:

my_notes.pdf containing details about cars.

User:

"What does it say about electric cars?"

Bot:

"The file mentions that electric cars are environmentally friendly and have lower running costs compared to traditional gasoline vehicles."

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⚠️ Notes

• Large files may take longer to process.
• Session data is cleared when the server restarts.
• Gemini API usage depends on your API quota and billing settings.

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📄 License

This project is licensed under the MIT License.

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💡 Future Improvements

• Store and search across multiple uploaded files.
• Add streaming responses for real-time replies.
• Enable multi-user sessions with authentication.