Grok is a web framework built on Zope Toolkit facilities and its component architecture. Its main design goal is to make those capabilities easier to use by relying on conventions and sensible defaults rather than requiring extensive configuration for ordinary cases.
Applications are organised around models that represent content, views that present it, and adapters that connect components with different interfaces. Grok reduces the need for explicit component wiring and Zope Configuration Markup Language declarations in common situations. Its emphasis on interface-driven design is of particular interest to developers already using the Zope ecosystem.
Grok makes its Zope foundations less explicit in everyday application code, although the underlying component concepts remain important. A model supplies context, a view describes the presentation of that context, and adapters offer a consistent way to extend behaviour without modifying the original objects.
This is free and open source software.
Key Features
- Convention-based component discovery reduces manual registration.
- Models provide content objects that can be exposed through the web.
- Views render representations of application content.
- Adapters connect objects to interfaces and reusable behaviours.
- Zope component architecture underpins extension and composition.
- Viewlets provide separately managed pieces of rendered views.
- Security declarations integrate with Zope permission facilities.
- Template support separates presentation from application data.
- Form and event integrations are available through the Zope ecosystem.
- Configuration conventions simplify common application structures.
- Grokking declarations register components by convention where appropriate.
- Context-based views can select presentations for particular model objects.
- Zope interfaces describe contracts consumed by adapters and components.
- The framework supports application event subscriptions through Zope components.
Website: github.com/zopefoundation/grok
Support:
Developer: Zope Foundation
License: Zope Public License v2.1
Grok is written in Python. Learn Python with our recommended free books and free tutorials.
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