Why Python Flask is easy for creating a Web App?

 What is Flask Python?

Flask is a web framework it’s a python module that lets you develop web applications easily. It is developed by ARMIN RONACHER who leads an international group of Python enthusiasts (POCCO). It has a small and easy-to-extend core it’s a microframework that doesn’t include an ORM (Object Relational manager) or such features.

It does have many cool features like URL routing, and a template engine. It is a WSGI (Web Server Gateway Interface) web app framework.


What is Web Framework:

A web application framework or simply a web framework represents a collection of libraries and modules that allow web application developers to write applications without having to worry about low-level details such as theme management protocols etc.

There are two types of Frameworks:

  • Full-Stack Frameworks
  • Non-Full-Stack Frameworks
NOTE: Flask is a non-full-stack framework. It provides only a base application.

What is Micro-Framework?

A micro-framework is a minimalistic framework. This is incredibly useful in cases of small web app development where the needs are not the same as an enterprise-level framework which would save lots of development, maintenance time, and money as a consequence.

What is WSGI?

It is an acronym for web server gateway interface, a standard for Python web application development. It is considered the specifications for the universal interface between the web server and web application.

What is jinja2?

Jinja2 is a web template engine that combines a template with a certain data source to render the dynamic web pages.


Flask Environment Setup:

To install Flask on the system, we need to have Python 2.7 or higher installed on our system.

How to install Flask in Python?

  1. How to install Flask on Windows?
  • By using CMD (Command Prompt)
  • Type :cmd: in the search bar and open the command line.
  • Type "pip install flask" in the command line and hit enter. This installs flask for your default Python installation.
      2. How install Flask in Pycharm?
  • Create a Pycharm project
  • open File >>> Settings >>> Project from the Pycharm menu.
  • Select your project.
  • Select the Python Interpreter tab within your project tab.
  • Click the + symbol to install Flask. Wait for the installation to terminate and close all popups.
  • By using terminate (pip install flask)
      3. How to install Flask in Linux?
  • Open Linux Terminal.
  • Type "pip install Flask", click enter.
  • If it doesn't work, try "pip3 install flask" or "Python -m pip install flask". Wait for the installation to terminate successfully.
      4. How to install Flask in macOS?
  • Same as Linux OS.
  • Open macOS Terminal.
  • Type "pip install Flask", click enter.
  • If it doesn't work, try "pip3 install flask" or "Python -m pip install flask". Wait for the installation to terminate successfully.

Advantages of Flask:
Here are the advantages of the usage of Flask:
  • Routing URL is simple.
  • Database integration is simple.
  • Easier to use for simple cases.
  • Minimum yet powerful platform.
  • Easy to build a quick prototype.
  • Lots of assets are to be handed online mainly on GitHub.
Disadvantages of Flask:
Here are the disadvantages of the usage of Flask:
  • Lack of database and ORM.
  • Slower MVP development in most cases.
  • Higher maintenance costs for more complex systems.
  • Flask is a no-full-stack framework. It provides only a base application.

Largest Websites created using Flask:

  • Pinterest (It is one of the biggest social media networks in the world).
  • Twilio (Cloud communications platform company).
  • Reddit (It is a website comprising user-generated content)
  • Airbnb (It is one of the most popular websites for traveling) etc.,

16 Popular Web Frameworks for Web App development in 2022:

The Features of the Flask:
The main features of the Flask Python are:
  • Scalable
  • Flexible
  • Lightweight
  • Documentation
  • Easy to negotiate
These are the main reasons.

Jayakumar. P/ Associate Software Engineer.







Location: Venkatagiri, Andhra Pradesh, India

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