python-dependency-injector/examples/providers/provided_instance_complex.py
Roman Mogylatov cf862fe8b5
Provided attributes (#282)
* Add sketch

* Cythonize MethodCaller

* Cythonize ItemGetter, AttributeGetter & ProvidedInstance providers

* Add docblock for .provided attribute

* Refactor repr methods

* Add .provided attribute to the Dependency provider

* Add tests for the .provided attribute to the majority of the providers

* Add docblock for the ProvidedInstance provider

* Add docblocks for the rest of the providers

* Add example of the provided instance usage

* Add tests for provided instance* providers

* Add complex provided instance example

* Update example provided_instance.py

* Add docs
2020-08-20 21:52:12 -04:00

42 lines
903 B
Python

"""Complex example of the injecting of provided instance attributes and items."""
from dependency_injector import providers
class Service:
def __init__(self, value):
self.value = value
def get_value(self):
return self.value
service = providers.Singleton(Service, value=42)
dependency = providers.Object(
{
'foo': {
'bar': 10,
'baz': lambda arg: {'arg': arg}
},
},
)
demo_list = providers.List(
dependency.provided['foo']['bar'],
dependency.provided['foo']['baz'].call(22)['arg'],
dependency.provided['foo']['baz'].call(service)['arg'],
dependency.provided['foo']['baz'].call(service)['arg'].value,
dependency.provided['foo']['baz'].call(service)['arg'].get_value.call(),
)
if __name__ == '__main__':
assert demo_list() == [
10,
22,
service(),
42,
42,
]