Flask is a very popular web application framework that leaves almost all design and architecture decisions up to the developer. In this tutorial, you’ll learn how a Flask Blueprint, or Blueprint for short, can help you structure your Flask application by grouping its functionality into reusable components. In this tutorial, you’ll learn: What Flask Blueprints are and how they work How to create an
Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Hands-On Python 3 Concurrency With the asyncio Module Async IO is a concurrent programming design that has received dedicated support in Python, evolving rapidly from Python 3.4 through 3.7, and probably beyond. You may be thinking with dread
Modeling polymorphism in relational databases is a challenging task. In this article, we present several modeling techniques to represent polymorphic objects in a relational database using the Django object-relational mapping (ORM). This intermediate-level tutorial is designed for readers who are already familiar with the fundamental design of Django. What Is Polymorphism? Polymorphism is the abil
Are there certain parts of Python that just seem magic? Like how are dictionaries so much faster than looping over a list to find an item. How does a generator remember the state of the variables each time it yields a value and why do you never have to allocate memory like other languages? It turns out, CPython, the most popular Python runtime is written in human-readable C and Python code. This t
Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Improve Your Tests With the Python Mock Object Library When you’re writing robust code, tests are essential for verifying that your application logic is correct, reliable, and efficient. However, the value of your tests depends on how well th
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