In this post, we will see what NumPy is and how we can use it in our Python projects.NumPy is an open-source Python library that provides support for large, multi-dimensional arrays and matrices, along with a vast collection of high-level mathematical functions to operate on these arrays efficiently. It is the foundational package for scientific… Read More »
In this post, we’ll see what Decorators are, look at some built-in decorators, and see how to create our own custom decorator.But first of all, what is a Decorator?“A decorator is a design pattern in Python that allows us to add new functionality to our existing object without modifying its structure. Decorators are implemented as… Read More »
In this post, we will see what PostgreSQL is and how to use it in Python.PostgreSQL, often referred to as Postgres, is a powerful, open-source object-relational database system with a strong reputation for reliability, feature robustness, and performance. It has been in active development for over 30 years, making it a highly mature database choice.… Read More »
In this post, we will see how to manage a XML in Python using the “xml.etree.ElementTree” module.The “xml.etree.ElementTree” module is part of Python’s standard library, offering a simple and effective way to work with XML data. This module supports parsing XML from strings or files, navigating and searching the XML tree, and modifying or creating… Read More »
In this post, we will see how to use Virtualenv in our Python projects.But first of all, what is Virtualenv?Virtualenv is a tool to create isolated Python environments and it is useful when we need to work with specific version of libraries/packages, without affecting other projects.We start installing Virtualenv with the command: IMPORTANT: currently, I… Read More »
In this post, we will see how to dockerizing the FastAPI application that we created in this previous post. First of all, we create a requirement.txt file where we will insert all libraries that we need to install to use the application: [REQUIREMENTS.TXT] Then, we create the dockerfile: [DOCKERFILE] Finally, to avoid unnecessarily copying everything… Read More »
In this post, we will see how to call an external API from our API. We will use FastAPI for our API instead, for the external API, we will use Json Server.We have already seen FastAPI and Json Server in these two post:Web API – Json ServerPython – Fast API In details, I want to… Read More »
In this post, we will see how to create a web API to manage all CRUD operations for a class called User, using FastAPI.But first of all, what is FastAPI?From the official web site:FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.8+ based on standard Python type hints.The key features… Read More »
In this post, we will see how to implement CRUD operations for an ‘User’ object in Redis, defines as follows: Before to start, I want to remember that REDIS (Remote Dictionary Server), is an open-source, in-memory data structure store, used as a database, cache, and message broker. It supports various data structures such as strings,… Read More »