Fast and easy dependency injection framework.
Project description
python-injection
Fast and easy dependency injection framework.
Installation
⚠️ Requires Python 3.12 or higher
pip install python-injection
Motivations
- Easy to use
- No impact on class and function definitions
- Easily interchangeable dependencies (depending on the runtime environment, for example)
- No prerequisites
Quick start
Simply apply the decorators and the package takes care of the rest.
from injection import injectable, inject, singleton
@singleton
class Printer:
def __init__(self):
self.history = []
def print(self, message: str):
self.history.append(message)
print(message)
@injectable
class Service:
def __init__(self, printer: Printer):
self.printer = printer
def hello(self):
self.printer.print("Hello world!")
@inject
def main(service: Service):
service.hello()
if __name__ == "__main__":
main()
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