Injector.py <EASY 2024>

from injector import Module, singleton class MyModule(Module): def configure(self, binder): # Always provide the same instance (Singleton) binder.bind(Database, to=Database(), scope=singleton) Use code with caution. Copied to clipboard

Instantiate the Injector and use it to retrieve your root object.

: Defines "bindings"—the rules for how an interface (like an abstract class) maps to a specific implementation. injector.py

from injector import Injector injector = Injector([MyModule()]) # Pass your modules here service = injector.get(Service) # Automatically creates Database and Service print(service.db.status) # "Connected" Use code with caution. Copied to clipboard

For further details, consult the official Injector documentation . Make Your Django Project Less Confusing with Design Pattern Common scopes include singleton (one instance for the

: Control object lifetimes. Common scopes include singleton (one instance for the whole app) and NoScope (new instance every time).

: The library is commonly used to simplify SOLID principles in frameworks like Django and FastAPI . Copied to clipboard

from injector import inject class Database: def __init__(self): self.status = "Connected" class Service: @inject def __init__(self, db: Database): self.db = db Use code with caution. Copied to clipboard