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python-base-billing-system

This is a minimal Python-based billing system with a simple, attractive web UI built with Flask and Bootstrap.

Quick start

Create a virtual environment and install dependencies:

python -m venv venv
venv\Scripts\activate
pip install -r requirements.txt

Seed the database and run the app:

python seed.py
python app.py

Open http://127.0.0.1:5000 in your browser.

If you'd like enhancements (PDF invoices, user auth, nicer styles), tell me which features to prioritize.

Email and attachments

To enable sending emails from the app, set these environment variables before starting the server:

setx SMTP_HOST "smtp.example.com"
setx SMTP_PORT "587"
setx SMTP_USER "your-smtp-user"
setx SMTP_PASS "your-smtp-password"
setx SMTP_FROM "your@company.com"

If SMTP is not configured the app will print the email to the server console instead of sending.

Attachments uploaded from the order page are stored in uploads/<invoice_id>/ and served by the app.