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You're reading from  Building Web Applications with Flask

Product typeBook
Published inJun 2015
Reading LevelBeginner
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ISBN-139781784396152
Edition1st Edition
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Authors (4):
Italo M Campelo Maia
Italo M Campelo Maia
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Italo M Campelo Maia

Italo Maia is a full-stack developer with 10 years of experience in creating software for the mobile, Web, and desktop environments, having dedicated most of the last few years to development with Python and web technologies. Author of Flask-Empty, a popular skeleton for Flask projects that aggregates good practices and recipes for quick prototyping, he is active in the Brazilian Python communities, having open source tools and libraries available in GitHub and Bitbucket.
Read more about Italo M Campelo Maia

Jack Stouffer
Jack Stouffer
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Jack Stouffer

Jack Stouffer is a programmer who has several years of experience in designing web applications. He switched to Flask three years ago for all his projects. He currently works for Apollo America in Auburn Hills, Michigan, and writes internal business tools and software using Python, Flask, and JavaScript. Jack is a believer and supporter of open source technology. When he released his Flask examples with the recommended best practices on GitHub (https://github.com/JackStouffer), it became one of the most popular Flask repositories on the site. Jack has also worked as a reviewer for Flask Framework Cookbook, Packt Publishing.
Read more about Jack Stouffer

Gareth Dwyer
Gareth Dwyer
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Gareth Dwyer

Gareth Dwyer hails from South Africa but now lives in Europe. He is a software engineer and author and is currently serving as the CTO at the largest coding education provider in Africa. Gareth is passionate about technology, education, and sharing knowledge through mentorship. He holds four university degrees in computer science and machine learning, with a specialization in natural language processing. He has worked with companies such as Amazon Web Services and has published many online tutorials as well as the book Flask by Example.
Read more about Gareth Dwyer

Italo Maia
Italo Maia
author image
Italo Maia

Italo Maia is a full-stack developer with 10 years of experience in creating software for the mobile, Web, and desktop environments, having dedicated most of the last few years to development with Python and web technologies. Author of Flask-Empty, a popular skeleton for Flask projects that aggregates good practices and recipes for quick prototyping, he is active in the Brazilian Python communities, having open source tools and libraries available in GitHub and Bitbucket.
Read more about Italo Maia

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Understanding the "Hello World" app


Given the environment set, what should we use to write our beautiful code? An editor or an IDE? If you're working on a low budget, try Light Table editor (http://lighttable.com/). Free, fast, and easy to use (Ctrl + Spacebar gives you access to all available options), it also has workspace support! Can't get any better for the money. If you're a lucky one with $200 to spare (or if you have a free license https://www.jetbrains.com/pycharm/buy/), just fork out for the PyCharm IDE which is pretty much the best IDE for Python Web development. Now let's move on.

Create a folder that will hold your project files (you don't need to but people will like you more if you do), as follows:

mkdir hello_world

Enter the new project folder and create the main.py file:

cd hello_world
touch main.py

The main.py file will have the whole "Hello World" application in it. Our main.py content should be like this:

# coding:utf-8
from flask import Flask
app = Flask(__name__)

@app...
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Building Web Applications with Flask
Published in: Jun 2015Publisher: ISBN-13: 9781784396152

Authors (4)

author image
Italo M Campelo Maia

Italo Maia is a full-stack developer with 10 years of experience in creating software for the mobile, Web, and desktop environments, having dedicated most of the last few years to development with Python and web technologies. Author of Flask-Empty, a popular skeleton for Flask projects that aggregates good practices and recipes for quick prototyping, he is active in the Brazilian Python communities, having open source tools and libraries available in GitHub and Bitbucket.
Read more about Italo M Campelo Maia

author image
Jack Stouffer

Jack Stouffer is a programmer who has several years of experience in designing web applications. He switched to Flask three years ago for all his projects. He currently works for Apollo America in Auburn Hills, Michigan, and writes internal business tools and software using Python, Flask, and JavaScript. Jack is a believer and supporter of open source technology. When he released his Flask examples with the recommended best practices on GitHub (https://github.com/JackStouffer), it became one of the most popular Flask repositories on the site. Jack has also worked as a reviewer for Flask Framework Cookbook, Packt Publishing.
Read more about Jack Stouffer

author image
Gareth Dwyer

Gareth Dwyer hails from South Africa but now lives in Europe. He is a software engineer and author and is currently serving as the CTO at the largest coding education provider in Africa. Gareth is passionate about technology, education, and sharing knowledge through mentorship. He holds four university degrees in computer science and machine learning, with a specialization in natural language processing. He has worked with companies such as Amazon Web Services and has published many online tutorials as well as the book Flask by Example.
Read more about Gareth Dwyer

author image
Italo Maia

Italo Maia is a full-stack developer with 10 years of experience in creating software for the mobile, Web, and desktop environments, having dedicated most of the last few years to development with Python and web technologies. Author of Flask-Empty, a popular skeleton for Flask projects that aggregates good practices and recipes for quick prototyping, he is active in the Brazilian Python communities, having open source tools and libraries available in GitHub and Bitbucket.
Read more about Italo Maia