mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-23 01:56:58 +03:00
26 lines
486 B
Python
26 lines
486 B
Python
"""`Dependency` provider default example."""
|
|
|
|
import abc
|
|
|
|
from dependency_injector import containers, providers
|
|
|
|
|
|
class Cache(metaclass=abc.ABCMeta):
|
|
...
|
|
|
|
|
|
class InMemoryCache(Cache):
|
|
...
|
|
|
|
|
|
class Container(containers.DeclarativeContainer):
|
|
|
|
cache = providers.Dependency(instance_of=Cache, default=InMemoryCache())
|
|
|
|
|
|
if __name__ == "__main__":
|
|
container = Container()
|
|
cache = container.cache() # provides InMemoryCache()
|
|
|
|
assert isinstance(cache, InMemoryCache)
|