Desenvolupament d'aplicacions web amb frameworks

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Què és un framework?

Per començar, us reprodueixo el què explica la web de Pyramid, un conegut framework per Python, que compara la idea de llibreria i framework:

Frameworks vs. Libraries

A framework differs from a library in one very important way: library code is always called by code that you write, while a framework always calls code that you write. Using a set of libraries to create an application is usually easier than using a framework initially, because you can choose to cede control to library code you have not authored very selectively. But when you use a framework, you are required to cede a greater portion of control to code you have not authored: code that resides in the framework itself. You needn’t use a framework at all to create a web application using Python. A rich set of libraries already exists for the platform. In practice, however, using a framework to create an application is often more practical than rolling your own via a set of libraries if the framework provides a set of facilities that fits your application requirements.


Podriem dir, en resum, que un framework és:

  • Un seguit de llibreries
  • Uns mecanismes de control (en el cas del web, seria el serividor web)
  • Un conjunt de bones pràctiques


Separació de codi i disseny


Model multicapa


Frameworks i microframeworks

Han sorgit molts microframeworks per desenvolupament superràpid, tot i que per a grans projectes potser els pot faltar algunes features que podem voler.

Frameworks Python:

Frameworks PHP: