Compare Pyramid and web2py

Pyramid is a web framework that is written in Python and is based on WSGI. It is minimalistic and inspired by Zope, Pylons, and Django. Before 2010, Pyramid was known as repoze.bfg.

web2py was originally designed as a teaching tool, but it gained adoption outside of the academic world. It is a full-stack framework containing all the components needed to build fully functional web applications using the Model View Controller (MVC) pattern. Inspired by the Ruby on Rails and Django. It is not very popular right now but was ranked amongst top Python web frameworks in 2011.

Let's see how Pyramid and web2py compare on various factors and features and which to choose when.

Pyramid

web2py

Overall

Type

Type
Python "microframework" for building web applications.
Type
Python full-stack for building web applications.

Author

Release Date

Release Date
2008
Release Date
2007

Website

Website
Website
Adoption and Ease of Use

Popularity [?]

Popularity [?]
0.5 Star
Used by 7,000 projects.
Popularity [?]
0.5 Star
Used by 36 projects.

Used by

Used by
Reddit, Yelp, Mozilla, SurveyMoney, NewCars.com.
Used by
Not in use at any large company.

Jobs [?]

Jobs [?]
0.5 Star
80 job openings which list Pyramid as a requirement.
Jobs [?]
0.5 Star
8 job openings which list web2py as a requirement.

Performance [?]

Performance [?]
3 Stars
Claims to have top-notch performance but virtue of being a microframework but benchmarks prove it to be slower than even Django beyond simple use cases.
Performance [?]
3 Stars
Web2py takes a unique approach where models and controllers are executed in a single global environment, which is initialized at each HTTP request. While there are pros to this approach, such as developers never having to worry about cleaning up or avoid conflict between requests, the major disadvantage is that the code is models is executed with every request which carries a performance penalty.

Flexibility

Flexibility
4.5 Stars
Pyramid is flexible.
Flexibility
3 Stars
Not as flexible as microframeworks, but doesn't always get in the way.

Ease of Learning

Ease of Learning
4 Stars
Being a microframework, the learning curve isn't very steep. However, it doesn't have the same amount of tutorials, courses, and resources available for leaning compared to Django and Flask
Ease of Learning
2 Stars
Limited online tutorials and resources, and many are several years old. The best resource for learning is web2py author's own "web2py Complete Reference Manual", which seems to be written in 2013.
Database Support

RDBMS Support

RDBMS Support
Through Plugins or Extensions
Through Plugins or Extensions
No built-in ORM framework. Leaves it up to developers to choose a library like SQLAlchemy
RDBMS Support
Built-in Support
Built-in
Ships with a Database Abstraction Layer (DAL) which supports MySQL, PostgreSQL, SQLite, and many other relational databases.

NoSQL Support

NoSQL Support
Doesn't get in the way of using NoSQL, and they are supported just as well as a relational database. Read more here.
NoSQL Support
No built-in support. Very limited support for NoSQL databases. Currently, it only supports Google Datastore on the Google App Engine.
Web & Core Features

Admin Dashboard

Admin Dashboard
Through Plugins or Extensions
Through Plugins or Extensions
Doesn't ship with one but 3rd party tools are available.
Admin Dashboard
Built-in Support
Built-in
Yes ships with a built-in admin panel.

REST Support

REST Support
Because it is a minimal framework, users can build a REST API themselves easily, or use a 3rd party library like Cornice.
REST Support
Has some support.

Security

Security
Built-in protection against CSRF, but XSS vulnerabilities have been discovered in older versions.
Security
Built-in protection against input injections, XSS, and common vulnerabilities. Read more here. It has known security vulnerabilities. Please see list here.

Templating Library

Templating Library
Doesn't ship with a default templating language and leaves it up to developers to add one. Jinja2 can be added to Pyramid. Another engine popular amongst Pyramid users is Chameleon .
Templating Library
Uses custom web2py templating language out of the box.

Web Forms

Web Forms
No built-in support. Prefers 3rd party Deform library.
Web Forms
Built-in support. Read more here.

Authentication

Authentication
Authentication
Includes a Role Based Access Control mechanism (RBAC), which is sufficient for many use cases.

Testing

Testing
Uses pytest for unit testing.
Testing
Can be done using Python's unittest framework or using the doctest.

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