Download Web Component Development with Zope 3 (1st Edition) by Philipp von Weitershausen PDF

By Philipp von Weitershausen

New Zope three is an online purposes server written in Python that enables constructing advanced internet purposes quickly and collaboratively. Zope three is the successor to the profitable model 2. After an creation to the main innovations of Zope, a pattern program is outfitted and prolonged as a result. The ebook is concentrated in the direction of builders conversant in the net and net applied sciences. specified sections for Zope 2 builders conceal the elemental ameliorations to the predecessor. The thoughts of Zope three and its part structure are defined completely, consistently observed by means of a demo software.

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Extra info for Web Component Development with Zope 3 (1st Edition)

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8. A Python docstring fullfills the function body syntax. It is not required to use pass or to even raise NotImplemented or similar. Any code put in the method definitions will not be executable because no method is being defined (if you want to see for yourself, try to call an interface method at the interactive interpreter shell; you will see it fails). py) 1 ... 2 3 4 5 class IRecipe(IRecipeInfo): """Give and store information about a recipe. """ 6 7 8 9 def setName(name): """Set the name of the dish provided in the ’name’ parameter.

Html The path to the content object to be displayed is recipes/miso. The @@ is a shortcut for ++view++ and indicates that a view name follows and not another element in an object traversal graph4 . html. Summary Views are components that present other components. They are nearly the only parts in an application that deal with request and response objects. A view’s characteristics are – the interface it presents – the type of presentation it provides – its name Views are looked up for the object they are supposed to present (the context), the view type and their name.

Instead of adapting a single object, they adapt an object and a request. That way, different views are invoked for different requests, just as we discussed above. Like views, adapters are also registered and configured using configuration files, allowing them to be enabled, disabled, or exchanged easily. 6 Utilities 33 Summary Adapters extend the functionality of existing components without code modifications. They are registered for the interface they adapt and the one they provide. They are looked up for the object they are supposed to adapt (the context) and the target interface.

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