Handle Form Data & File Upload in FastAPI (Part 1) | Read File Content | Tamil Tutorial

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📌 FastAPI Form Data & File Upload Handling in Tamil | Learn to Read Uploaded File Content

In this video, I explain how to handle form data and single file upload using FastAPI in Tamil. This is Part 1 of the FastAPI File Handling series, and you'll learn everything from basics to reading file content!

✅ How to handle form data using Form() in FastAPI
✅ How to upload a single file using File()
✅ How to read uploaded file content (e.g., .txt file)
✅ How to find the length of the content using Swagger UI

FastAPI by default accepts JSON in the request body. But when working with HTML forms (like login, contact, or upload forms), we use application/x-www-form-urlencoded or multipart/form-data. In this tutorial, you'll learn how to handle these formats the right way!

🔹 Topics Covered in This Video:
🔹 What is Form Data in FastAPI
🔹 Why FastAPI needs Form() for form input
🔹 Single File Upload using File()
🔹 Reading file content in Python using .read()
🔹 Displaying file content length in Swagger
🔹 Live testing in Swagger UI

💡 FastAPI Tutorial in Tamil – Step-by-step explanation with practical examples to make backend development easier in your own language!

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