 | |
Type of site | Pythonframeworkdevelopment |
|---|---|
| Available in | English |
| Owner | Open source |
| Editor | Anonymous |
| URL | pylonsproject |
| Commercial | No |
| Registration | None |
| Launched | December 27, 2010 (2010-12-27) |
| Current status | Active |
Pylons Project is anopen-source organization that develops a set of web application technologies written inPython. Initially the project was a single web framework called Pylons, but after the merger with the repoze.bfg framework under the new name Pyramid, the Pylons Project now consists of multiple related web application technologies.
| Pyramid | |
|---|---|
 | |
| Developers | Chris McDonough, Ben Bangert, Michael Merickel, Delta Regeer, Steve Piercy |
| Initial release | July 8, 2008; 17 years ago (2008-07-08)[1] |
| Stable release | |
| Written in | Python |
| Operating system | Cross-platform |
| Type | Web application framework |
| License | BSD-like[3] |
| Website | trypyramid |
| Repository | github |
Pyramid is anopen sourceweb framework written inPython and is based onWSGI. It is aminimalistic web framework inspired byZope,Pylons andDjango.[4]
Originally called "repoze.bfg", Pyramid gathered attention mostly in theZope[5] andPlone community as theOpen Society Institute's KARL project migrated from Plone to BFG.[6] In 2010 it was announced that the Pylons framework will move over to using BFG as a base in version 1.5.[7] As a result of the inclusion of BFG into the Pylons project, BFG was renamed Pyramid.[8]
Pyramid is a minimalistic,platform-independent web framework. It is persistence agnostic and is integrated both with SQL databases viaSQLAlchemy and with theZope Object Database, as well as otherNoSQL databases, such asCouchDB.[4]
Pyramid allows developers to define routes usingregular expressions that map to objects. Like its fellow framework Zope, Pyramid also allows hierarchical object traversal, where each part of aURL is an object containing other objects, in a way that is similar to folders in a filesystem.[9]
| Pylons Framework | |
|---|---|
 | |
| Developers | Ben Bangert, James Gardner |
| Initial release | September 2005; 20 years ago (2005-09)[10] |
| Stable release | |
| Written in | Python |
| Operating system | Cross-platform |
| Type | Web application framework |
| License | BSD license |
| Website | pylonsproject |
| Repository | github |
Pylons Framework is anopen-sourceWeb application framework written inPython. It makes extensive use of the Web Server Gateway Interface standard to promote reusability and to separate functionality into distinct modules.[12] It is strongly influenced byRuby on Rails: two of its main components, Routes and WebHelpers, are Python reimplementations of Rails features.
Pylons is well known for having a near-complete stack of third-party tools, eschewing the"not-invented-here" phenomenon.
The official installation method of Pylons is throughEasyInstall via thePython Package Index (PyPI), and most of the additional tools are typically installed the same way. EasyInstall also handles package dependencies when relevant. Some distributions could also package Pylons andPaste, but it is likely that any distribution's packages would lag the official distribution. Pylons may also be installed by hand by renaming its .egg file to .zip and extracting the contents.
Paste is used for project setup, testing, and deployment. Using the commonINI configuration format, Paste allows for multiple "profiles", so that developers can run development and deployment setups from the same codebase without revealing sensitive parts of Pylons, such as the interactive debugger, to production users.
Currently the only widely used URL dispatcher for Pylons is Routes, a Python reimplementation of Ruby on Rails' URL dispatching, although any WSGI-compatible URL dispatcher can be used. While Routes is a separate library, it was developed for use in Pylons and its development remains closely in sync with Pylons.
Another piece of Rails adapted for Pylons is WebHelpers, which provides URL mapping based on the Routes configuration. WebHelpers also provides some utility functions for generatingJavaScript code making use of thescript.aculo.us andPrototype libraries.
FormEncode and FormBuild are used for HTML form validation and generation; there has been some use ofMako for form generation using Mako's inheritance model.
Myghty was the default Pylons templating language, but as of version 0.9.6 it has been replaced byMako.[13] Both templating languages are text-based (as opposed toXML-based), and support includes, inheritance and embedding arbitrary Python code.
Because of Pylons' loosely coupled layers, other templating languages can be used as well.Genshi, an XML-based templating language, can be used in lieu of either Mako or Myghty.[14]
Pylons has no default database library. BothSQLObject and SQLAlchemy are known to be used.
Pylons has developed into the Pylons Project, and the old code from Pylons 1.0 is now in maintenance-only mode. However, pursuant to the project's merger with repoze.bfg since November 2010, newer versions of Pylons are actually different from the original Pylons 1.0. Pylons developers initially planned to rewrite certain portions of the code, but they observed that the new code was approximating repoze.bfg, which led to the merger of Pylons and repoze.bfg.[15][16] This led to repoze.bfg (a part of the Repoze Python-based web framework) to become rebranded and relaunched as the Pyramid web framework.[17]
