Software Requirements Specification (SRS) for Basic Inventory Management System

Inventory Management System Documentation

Introduction

The Inventory Management System is a Python-based application that helps manage stock efficiently. It allows users to add, update, delete, search, and export inventory records while providing alerts for low stock levels.

Features

1. Add Items – Insert new items into the inventory.
2. Update Items – Modify existing item details.
3. Delete Items – Remove items from inventory.
4. View Inventory – Display all items with quantities, prices, and total values.
5. Search for Items – Find specific items in the inventory.
6. Restock Alerts – Notify users when item quantities fall below a defined threshold.
7. Calculate Total Inventory Value – Compute the overall worth of stock.
8. Export to CSV – Save inventory records to a CSV file.

Usage Guide

1. Adding an Item

• Users are prompted to enter an item name, quantity, and price per unit.
• The system ensures duplicate items are not added.
• The item is stored in the inventory dictionary.

2. Updating an Item

• Users can modify the quantity and price of an existing item.
• The system checks for the item's existence before allowing updates.

3. Deleting an Item

• Users enter the item name to remove it from inventory.
• The system verifies whether the item exists before deletion.

4. Viewing Inventory

• Displays all stored items, their quantities, unit prices, and total worth.
• If inventory is empty, a notification is displayed.

5. Searching for an Item

• Allows users to find an item by name and view its details.
• If the item is not found, a notification is provided.

6. Restock Alerts

• Items with a quantity less than or equal to 5 are flagged.
• A list of such items is displayed.

7. Calculating Total Inventory Value

• Computes and displays the total monetary value of all stored items.

8. Exporting Inventory to CSV

• Saves inventory records to a CSV file with item name, quantity, price per unit, and total amount.
• If the inventory is empty, an appropriate message is displayed.

Error Handling

• Invalid Inputs: Ensures numerical values are entered for quantity and price.
• Item Existence Checks: Prevents duplicate additions and ensures updates/deletions are valid.

Running the Application

1. Run the script using

   python inventory.py

2. Follow the menu prompts to perform inventory operations.
3. Exit the application by selecting option 9.

Conclusion

This system provides an easy-to-use solution for managing inventory efficiently, ensuring stock levels are maintained and properly recorded.

(Open Source Project for Hacktoberfest2024)