Top 5 Useful Python Libraries Web Developers Can't Live Without

We all love Python, don’t we? With so many tools, modules and libraries, Python ecosystem is extensive and widespread in both depth and space. The open-source biome is intimidating and even with years of experience, a developer is required to identify and keep updated with the best techniques and libraries. In my previous article I had shared insights about the Lightweight PHP Frameworks for REST APIs Development.

In today’s post I will help you explore some important and valuable Python Libraries, a web developer can’t live without.

Scrapy Python Library

Scrapy is an open source and collaborative application framework, used for extracting structured data and crawling websites. It can be utilized for extensive purposes, from information processing to data mining and automated testing. Scrapy is revered as one of the leading and powerful Python scraping libraries. It effortlessly handles a number of usual functionalities that scrapers need so that the developers do not reinvent the wheel every time. This framework makes the scraping fun process. Scrapy comes with Scrapyd, a built-in service that enables a developer to control spiders and upload projects using JSON web service.

Although Scrapy was initially designed for web scraping process, it is now extensively used to extract the APIs like Amazon Associates Web Services or a general purpose web crawler.It can easily perform all its operations in a simple, yet extensive way.

Top features:

1. Fast powerful and extensive
2. Open source and free
3. Built-in support for extracting and selecting data from the source
4. Build and scale large crawling projects easily
5. Asynchronous scheduling and processing of Requests
6. Cross platform application framework

Zappa Python Library

Zappa is the serverless Python framework, built and used by the cloud scalability experts at Gun.io. Being powered by the AWS Lambda and API Gateway, Zappa can automatically handle the horizontal scaling, therefore no requests are ever timed out and after the app returns, server dies. Each request is offered its very own Amazon API Gateway’s virtual HTTP server, thanks to Zappa.

Top features:

1. No Vendor Lock-In
2. Easy To Use
3. Infinitely Scalable
4. Pay by the Millisecond
5. Use Your Existing Code
6. No more worrying about scalability / load balancing
7. Open Source and Free

Boto 3 Python Library

It is an identical rewrite of Boto and utilizes a data-driven technique to trigger classes at runtime from JSON description files. Typically, the JSON description files are shared between the SDKs in multiple languages and include descriptions for an object-oriented interface identical to the previous Boto versions. As Boto 3 is created using the shared JSON files, the user gets relatively consistent API and faster updates to the recent features and services. It is built on top of the library called Botocore. It provides its own resources, collections, and sessions.

Top features:

1. Manipulate and iterate groups of resources
2. Per-session and session configuration and credentials
3. Authentication and response handling
4. Automatic paging of responses
5. Low level service connections
6. Object oriented interface

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