ets-labs/python-dependency-injector
1
1
Fork 0
mirror of https://github.com/ets-labs/python-dependency-injector.git synced 2025-10-31 07:57:43 +03:00
Code Issues Packages Projects Releases Wiki Activity

Add container usage to provided instance examples

Browse Source
This commit is contained in:
Roman Mogylatov 2020-09-03 17:48:45 -04:00
parent 4f111aae9b
commit d6e4e8fb08
4 changed files with 40 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
docs/providers/provided_instance.rst
View File

@ -14,7 +14,7 @@ You can inject provided object attribute, item or result of its method call.
.. literalinclude:: ../../examples/providers/provided_instance.py .. literalinclude:: ../../examples/providers/provided_instance.py
:language: python :language: python
:emphasize-lines: 26-32 :emphasize-lines: 28-34
:lines: 3- :lines: 3-
To use the feature you should use the ``.provided`` attribute of the injected provider. This To use the feature you should use the ``.provided`` attribute of the injected provider. This
@ -32,7 +32,7 @@ You can do nested constructions:
.. literalinclude:: ../../examples/providers/provided_instance_complex.py .. literalinclude:: ../../examples/providers/provided_instance_complex.py
:language: python :language: python
:emphasize-lines: 24-30 :emphasize-lines: 26-32
:lines: 3- :lines: 3-
The ``.provided`` attribute is available for the next providers: The ``.provided`` attribute is available for the next providers:

8
examples/providers/provided_instance.py
View File

@ -1,6 +1,6 @@
"""Example of the injecting of provided instance attributes and items.""" """Example of the injecting of provided instance attributes and items."""
from dependency_injector import providers from dependency_injector import containers, providers
class Service: class Service:
@ -23,6 +23,8 @@ class Client:
self.value4 = value4 self.value4 = value4
class Container(containers.DeclarativeContainer):
service = providers.Singleton(Service) service = providers.Singleton(Service)
client_factory = providers.Factory( client_factory = providers.Factory(
@ -35,5 +37,7 @@ client_factory = providers.Factory(
if __name__ == '__main__': if __name__ == '__main__':
client = client_factory() container = Container()
client = container.client_factory()
assert client.value1 == client.value2 == client.value3 == 'foo' assert client.value1 == client.value2 == client.value3 == 'foo'

10
examples/providers/provided_instance_complex.py
View File

@ -1,6 +1,6 @@
"""Complex example of the injecting of provided instance attributes and items.""" """Complex example of the injecting of provided instance attributes and items."""
from dependency_injector import providers from dependency_injector import containers, providers
class Service: class Service:
@ -12,6 +12,8 @@ class Service:
return self.value return self.value
class Container(containers.DeclarativeContainer):
service = providers.Singleton(Service, value=42) service = providers.Singleton(Service, value=42)
dependency = providers.Object( dependency = providers.Object(
@ -33,10 +35,12 @@ demo_list = providers.List(
if __name__ == '__main__': if __name__ == '__main__':
assert demo_list() == [ container = Container()
assert container.demo_list() == [
10, 10,
22, 22,
service(), container.service(),
42, 42,
42, 42,
] ]

4
src/dependency_injector/providers.pyi
View File

@ -283,8 +283,8 @@ class Selector(Provider):
class ProvidedInstanceFluentInterface: class ProvidedInstanceFluentInterface:
def __getattr__(self, item: str) -> AttributeGetter: ... def __getattr__(self, item: Any) -> AttributeGetter: ...
def __getitem__(self, item: str) -> ItemGetter: ... def __getitem__(self, item: Any) -> ItemGetter: ...
def call(self, *args: Injection, **kwargs: Injection) -> MethodCaller: ... def call(self, *args: Injection, **kwargs: Injection) -> MethodCaller: ...