Seluj78 / flask-utils

Various Flask utilities that I find useful in my projects
GNU General Public License v3.0
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Refactor validate params #39

Open Mews opened 1 month ago

Mews commented 1 month ago

Description

Changed the validate_params decorator to get the expected types for each argument from the decorated function's type hints rather than a parameters argument. The validated arguments are then passed to the decorated function from the json data, or passed as None if they're optional and not present in the json data.

I also changed the tests in test_validate_params to use the new syntax. I'm currently skipping the tests in TestTupleUnion until I understand what do to to them.

Related Issue

Checklist

Type of change

Summary by CodeRabbit

coderabbitai[bot] commented 1 month ago

Walkthrough

This enhancement simplifies parameter validation in the validate_params decorator by leveraging function type hints. It refactors existing code and test cases to extract parameter types directly from function signatures, eliminating the need for specifying types within the decorator.

Changes

Files Change Summary
flask_utils/decorators.py Updated imports, removed a parameter from validate_params, and added functionality to use type hints in decorators.
tests/test_validate_params.py Refactored test cases to specify parameter types directly in function signatures instead of within the decorator.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant FlaskApp
    participant Decorator
    participant Function

    Client->>FlaskApp: Send request with parameters
    FlaskApp->>Decorator: Call validate_params
    Decorator->>Function: Extract type hints from function signature
    Function-->>Decorator: Return validation results
    Decorator-->>FlaskApp: Pass results
    FlaskApp-->>Client: Send response

Poem

Amidst the code, a rabbit hops,
Refactoring in merry hops,
With type hints now, no room for doubt,
Validations clear, no twist nor rout.
The tests reformed, the code refined,
In flasky bounds, it's well-defined.
🎉🐇


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