Dependency Injection: Python

Overview Dependency Injection (DI) is a software engineering technique for defining the dependencies among objects. Basically, the process of supplying a resource that a given piece of code requires. The required resource is called a dependency. There are various classes and objects defined when writing code. Most of the time, these classes depend on other classes in order to fulfill their intended purpose. These classes, or a better word might be Components, know the resources they need and how to get them. DI handles defining these dependent resources and provides ways to instantiate or create them externally. Dependency Containers are used to implement this behavior and holds the map of dependencies for the components.

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python,tutorial,web dev,dependency injection,ioc containers