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Goals

Experiment with alternative approaches to inject dependencies in a Flask application.

Experimentation log

@2024-11-19: Experiment #3: Try FastDepends lib

Made good progress trying to inject depedencies, as well as validating requests with Pydantic. Currently facing problems with dependency overriding. See app_3_fastdepends.py.

2024-11-19 Challenge #2: Flask-Pydantic conflict with Flask-Injector

Problem: Flask-Pydantic tries to validate the type of injected dependecy. ...

Testing flask_openapi3 with flask_injector. injector: call_with_injection() L1050: return callable(*full_args, **dependencies) scaffold.APIScaffold.create_view_func.view_func() L104 _validate_request(), the injected dependency is considered a path_kwargs, which gets validated and the dependency is stripped from kwargs 🫠

2024-11-18 Challenge #1: flask_injector trying to inject dependencies for every type hint

  • Working on jstasiak's suggestion in: python-injector/flask_injector#83, which involves replacing get_type_hints() with injector.get_bindings() to detect if we actually have anything to inject.
  • I'm ready to submmit a PR for this issue, just need to think about the devX of setting this behavior, as well as the tests.
  • Raised a PR for this issue: python-injector/flask_injector#85

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