When comparing web2py vs Laravel 5, the Slant community recommends Laravel 5 for most people. In the question“What are the best backend web frameworks?” Laravel 5 is ranked 8th while web2py is ranked 24th. The most important reason people chose Laravel 5 is:
With migrations, powerful and intuitive Eloquent CRUD, resource routing, and simple JSON response out of the box, a complete REST API can be written in hours.
Specs
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Pros
Pro Documentation is written in form of a book which is good for beginners
web2py documentation does not follow the common pattern of using Sphinx, MkDocs or ReadTheDocs which is goos for exeperienced developers. Although documentation in form of a book is very easy and good for beginners. Turning web2py the most easy and comprehensive framework to learn and also to teach.
Pro Web2py apps run on GAE, AWS, VPNs, PythonAnywhere, etc
Web2py apps are designed to be portable. With some minor restrictions web2py apps can run on any VPS on SQL databases and/or Mongo, as well as on Google App Engine with the Google Datastore. It is truly code ones and run everywhere. For example at Camio.com we use web2py internally to access a GAE datastore which contains more images than Instagram.
Pro User support
The web2py community is open and friendly and it gives concrete support to newbies and old timers. It's not difficult to get answers from the BDFL Massimo Di Pierro himself.
Pro Maintainable over time
One really positive aspect of web2py application is their maintainability over the years. Old code works even if the framework is updated to the latest version. Not only that, if code is written well it is very short and a new team can pick it up over in little time.
Pro PyCharm supports web2py
While web2py has its own web based IDE which is convenient, it works with WinIDE, PyCharm, and Eclipse. The first two explicitly support web2py. The latter requires some configuration.
Pro Easy to learn without losing any power
web2py is very easy to learn for beginners, yet it has a great deal of power and flexibility as application needs become more complex. It includes an impressively comprehensive set of features, making development very productive without the need to integrate a lot of third-party libraries.
Pro Can be tuned to be really fast in production
The framework is really fast in production after some optimization and fine tuning which can minimize the memory footprint in order to make it run on a really small VPS or slice.
Pro Easily extendable
Allows users to easily extend functionality by using external libraries.
Pro No need to import the API to access the models and controllers context at every request
Models and controllers live in the context of the HTTP request. So the developer does not have to import the API to access this context at every request.
In other words, the models, controllers and templates in web2py use a domain specific language which uses pure web2py syntax and allows to import any module but exposes a few additional objects.
Pro Includes a web-based IDE for creating and managing applications
web2py includes an "admin" app that serves as a web-based IDE for web2py applications. It includes many features, such as application creation, compiling, and packaging; an error ticketing system; a code editor; a debugger; a controller doctest runner; Git and Mercurial integration; and one-click deployment to PythonAnywhere, Google App Engine, and OpenShift.
It is not intended as a full desktop IDE replacement, but it includes some helpful web2py specific functionality and can be convenient for basic editing and debugging tasks and quick prototyping, even for those who primarily work with a more full-featured desktop IDE or editor.
Pro web2py supports the classic editor Vim
Pro Good for building RESTful APIs
With migrations, powerful and intuitive Eloquent CRUD, resource routing, and simple JSON response out of the box, a complete REST API can be written in hours.
Pro Comes with an excellent built-in ORM
Laravel's Eloquent ORM is a simple and fast Object-Relational Mapping which helps with organizing the application's database. It supports the most popular databases (MySQL, Postgres, SQLite, etc.) out of the box.
Pro Good documentation
Laravel's documentation is thorough and very good. It covers everything and is very helpful to experienced and new users alike.
Pro Handles event queuing
Laravel supports event queuing and it does so in a very simple way. To create an event that should be queued just run:
php artisan handler:event SendPurchaseConfirmation --event=PodcastWasPurchased --queued
This creates a handler that implements the Illuminate\Contracts\Queue\ShouldBeQueued
interface. Now when this handler is called it will automatically be queued by the event dispatcher.
Pro Comes with its own CLI
Laravel comes out of the box with it's own CLI called Artisan. With Artisan developers can do several different tasks such as migrating databases, seeding databases, clearing the cache and much much more.
Pro Easy to write web apps with authentication
Laravel comes with Authentication capabilities and a fully-powered Auth class out of the box. For passwords it uses bcrypt.
Pro Easy to learn
Pro Gives developers a great degree of freedom in how they set up their project structure
Laravel allows for free configuration and does not force developers to use a single project structure, instead they can change it to how they wish.
Pro Can use Symfony components
Laravel uses many libraries built for the Symfony PHP framework. Many of these libraries are well-built and have been tested by users before. Since the point of using a web framework is to shorten development time and to avoid reinventing the wheel for problems that have already been solved, then it's logical for a framework to use libraries already built to solve problems that have already been solved.
Pro Extremely powerful template system
Laravel has a powerful template system called Blade. It's quite similar to Twig or Moustache with lots of curly braces but the real power comes from the usage of PHP code directly in the view. Blade templates compile directly to raw PHP and are processed in the server when a request is made.
Pro Gulp tasks in the form of Laravel Elixir
In Laravel 5.0 they added Laravel Elixir, which provides an API for using Gulp tasks for Laravel applications. Elixir supports several CSS preprocessors and even some test tools. But it's still in the early stages of development and it will be developed even further in the following releases. With more methods and more Gulp tasks supported.
Pro Great Ecosystem
Has a great Ecosystem with SAAS like: Forge, Envoyer, Nova & from 3rd parties like oh-dear
Pro Great Community
Cons
Con Abandoned framework with (almost) no community
Con The web IDE is not a full-featured IDE
web2py includes an "admin" app that serves as a web-based IDE for web2py applications. It includes many features, such as application creation, compiling, and packaging; an error ticketing system; a code editor; a debugger; a controller doctest runner; Git and Mercurial integration; and one-click deployment to PythonAnywhere, Google App Engine, and OpenShift. However, particularly with regard to code editing and debugging and version control integration, it is not as full-featured as some of the more popular desktop IDEs such as PyCharm. So, developers expecting a PyCharm-like experience may be somewhat disappointed. In any case, use of the web-based IDE is completely optional.
Con Uses too much magic methods
It complicates debugging and autocompletion.
Con Bloated
While the speed doesn't seem to be an issue with it (on local tests), in production it may be hindered. The framework creates a ton of files and folders, some of which your app might not even use. Not good if you don't like having a ton of folders and rigid non-standard PHP folder structure for development.
Con Hard to use model properties
You need to check all model properties in database to know it exists, or declare all them manually.
Con Steep learning curve
While a lot of times you can write things in plain PHP, it will hinder you down the line when you want to use core features and find that you have to rewrite code which then causes issues throughout the app. Documentation is good, but you need to know what you are looking for and practical examples are non-existent. Many features have been updated throughout the versions in such a short time that tutorials you find online are confusing to sort through outdated tutorials and guides that no longer work or have been depreciated.
Con Poor performance
Con Follows bad design practices
Uses bad practices, like Singletons, Magic models, Middleware.