August 2018
Intermediate to advanced
332 pages
9h 12m
English
Content preview from Clean Code in Python
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Interface segregation
The interface segregation principle (ISP) provides some guidelines over an idea that we have revisited quite repeatedly already: that interfaces should be small.
In object-oriented terms, an interface is represented by the set of methods an object exposes. This is to say that all the messages that an object is able to receive or interpret constitute its interface, and this is what other clients can request. The interface separates the definition of the exposed behavior for a class from its implementation.
In Python, interfaces are implicitly defined by a class according to its methods. This is because Python follows the so-called duck typing principle.
Traditionally, the idea behind duck typing was that any object is ...
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