mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-23 01:56:58 +03:00
24 lines
613 B
Python
24 lines
613 B
Python
"""`NewInstance` and `Singleton` providers example."""
|
|
|
|
from objects.providers import NewInstance
|
|
from objects.providers import Singleton
|
|
|
|
|
|
# NewInstance provider will create new instance of specified class
|
|
# on every call.
|
|
new_object = NewInstance(object)
|
|
|
|
object_1 = new_object()
|
|
object_2 = new_object()
|
|
|
|
assert object_1 is not object_2
|
|
|
|
# Singleton provider will create new instance of specified class on first call,
|
|
# and return same instance on every next call.
|
|
single_object = Singleton(object)
|
|
|
|
single_object_1 = single_object()
|
|
single_object_2 = single_object()
|
|
|
|
assert single_object_1 is single_object_2
|