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Package versions:
dependencies = [
"dependency-injector>=4.45.0",
"pydantic>=2.10.6",
"pydantic-settings>=2.7.1",
]Example code:
from dependency_injector import containers, providers
from pydantic_settings import BaseSettings
class Container(containers.DeclarativeContainer):
config = providers.Configuration()
# This one will work:
class OverriddeContainer(Container):
config = providers.Configuration(
default={"foo": "bar"}
)
class Config(BaseSettings):
bla: str = "nja"
class Container2(containers.DeclarativeContainer):
config = providers.Configuration(pydantic_settings=[Config()])
# this one will work:
@containers.copy(Container2)
class OverriddeContainer2(Container2):
config2 = providers.Configuration(
pydantic_settings=[Config(bla="foo")]
)
# this one will fail:
@containers.copy(Container2)
class OverriddeContainer3(Container2):
config = providers.Configuration(
pydantic_settings=[Config(bla="foo")]
)Error thrown:
Traceback (most recent call last):
File "<frozen runpy>", line 198, in _run_module_as_main
File "<frozen runpy>", line 88, in _run_code
File "/home/milos/projects/di-test/src/ditest/__main__.py", line 32, in <module>
@containers.copy(Container2)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "src/dependency_injector/containers.pyx", line 871, in dependency_injector.containers.copy._decorator
File "src/dependency_injector/containers.pyx", line 865, in dependency_injector.containers.copy._get_memo_for_matching_names
File "src/dependency_injector/containers.pyx", line 858, in dependency_injector.containers.copy._get_memo_for_matching_names
TypeError: 'NoneType' object is not iterableThought you might want to know.
Love the library btw.
EDIT:
Tried to mess with Cython magic a bit, but this is a bit too much for me at the moment. The best I was able to do is:
...which makes it work:
...but I'm not really confident this would be a right solution, looks like the error could be something deeper.
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