8000 Add container usage to provided instance examples · bimec/python-dependency-injector@d6e4e8f · GitHub
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Add container usage to provided instance examples
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‎docs/providers/provided_instance.rst

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -14,7 +14,7 @@ You can inject provided object attribute, item or result of its method call.
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.. literalinclude:: ../../examples/providers/provided_instance.py
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:language: python
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:emphasize-lines: 26-32
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:emphasize-lines: 28-34
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:lines: 3-
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2020
To use the feature you should use the ``.provided`` attribute of the injected provider. This
@@ -32,7 +32,7 @@ You can do nested constructions:
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.. literalinclude:: ../../examples/providers/provided_instance_complex.py
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:language: python
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:emphasize-lines: 24-30
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:emphasize-lines: 26-32
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:lines: 3-
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The ``.provided`` attribute is available for the next providers:

‎examples/providers/provided_instance.py

Lines changed: 14 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
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"""Example of the injecting of provided instance attributes and items."""
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3-
from dependency_injector import providers
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from dependency_injector import containers, providers
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class Service:
@@ -23,17 +23,21 @@ def __init__(self, value1, value2, value3, value4):
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self.value4 = value4
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service = providers.Singleton(Service)
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class Container(containers.DeclarativeContainer):
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28-
client_factory = providers.Factory(
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Client,
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value1=service.provided[0],
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value2=service.provided.value,
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value3=service.provided.values[0],
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value4=service.provided.get_value.call(),
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)
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service = providers.Singleton(Service)
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client_factory = providers.Factory(
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Client,
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value1=service.provided[0],
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value2=service.provided.value,
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value3=service.provided.values[0],
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value4=service.provided.get_value.call(),
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)
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if __name__ == '__main__':
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client = client_factory()
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container = Container()
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client = container.client_factory()
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assert client.value1 == client.value2 == client.value3 == 'foo& 8000 #39;

‎examples/providers/provided_instance_complex.py

Lines changed: 22 additions & 18 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
"""Complex example of the injecting of provided instance attributes and items."""
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3-
from dependency_injector import providers
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from dependency_injector import containers, providers
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class Service:
@@ -12,31 +12,35 @@ def get_value(self):
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return self.value
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service = providers.Singleton(Service, value=42)
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class Container(containers.DeclarativeContainer):
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dependency = providers.Object(
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{
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'foo': {
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'bar': 10,
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'baz': lambda arg: {'arg': arg}
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service = providers.Singleton(Service, value=42)
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dependency = providers.Object(
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{
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'foo': {
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'bar': 10,
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'baz': lambda arg: {'arg': arg}
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},
2225
},
23-
},
24-
)
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)
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26-
demo_list = providers.List(
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dependency.provided['foo']['bar'],
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dependency.provided['foo']['baz'].call(22)['arg'],
29-
dependency.provided['foo']['baz'].call(service)['arg'],
30-
dependency.provided['foo']['baz'].call(service)['arg'].value,
31-
dependency.provided['foo']['baz'].call(service)['arg'].get_value.call(),
32-
)
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demo_list = providers.List(
29+
dependency.provided['foo']['bar'],
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dependency.provided['foo']['baz'].call(22)['arg'],
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dependency.provided['foo']['baz'].call(service)['arg'],
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dependency.provided['foo']['baz'].call(service)['arg'].value,
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dependency.provided['foo']['baz'].call(service)['arg'].get_value.call(),
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)
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if __name__ == '__main__':
36-
assert demo_list() == [
38+
container = Container()
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assert container.demo_list() == [
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10,
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22,
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service(),
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container.service(),
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42,
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42,
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]

‎src/dependency_injector/providers.pyi

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -283,8 +283,8 @@ class Selector(Provider):
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class ProvidedInstanceFluentInterface:
286-
def __getattr__(self, item: str) -> AttributeGetter: ...
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def __getitem__(self, item: str) -> ItemGetter: ...
286+
def __getattr__(self, item: Any) -> AttributeGetter: ...
287+
def __getitem__(self, item: Any) -> ItemGetter: ...
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def call(self, *args: Injection, **kwargs: Injection) -> MethodCaller: ...
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