Typing check using signature, allowing to use object methods as RPC endpoints#27
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trollfot wants to merge 4 commits intoAnanto30:mainfrom
Open
Typing check using signature, allowing to use object methods as RPC endpoints#27trollfot wants to merge 4 commits intoAnanto30:mainfrom
trollfot wants to merge 4 commits intoAnanto30:mainfrom
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Ananto30
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Mar 19, 2023
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| extras_require={ | ||
| 'test': [ | ||
| 'pytest', | ||
| 'pytest-asyncio', | ||
| 'pyjwt' | ||
| ] | ||
| } | ||
| ) |
Owner
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These are "must be" installs, which is not true for zero. It is only needed for the test and not needed for package distribution. Please remove this.
| verify_function_input_type(func) | ||
| verify_function_return(func) | ||
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| signature = verify_function_typing(func) |
Owner
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verify_function_typing name is not clear, it verifies and returns something, doing 2 things but the name suggests it only verifies
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| def verify_function_typing(func: typing.Callable): | ||
| signature = inspect.signature(func) | ||
| arg_count = len(signature.parameters) | ||
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| if arg_count > 1: | ||
| raise ZeroException( | ||
| f"`{func.__name__}` has more than 1 args; RPC functions can have only one arg - msg, or no arg" | ||
| f"`{func.__name__}` has more than 1 args; " | ||
| "RPC functions can have only one arg - msg, or no arg" | ||
| ) | ||
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| if arg_count == 1: | ||
| arg_name = func.__code__.co_varnames[0] | ||
| func_arg_type = typing.get_type_hints(func) | ||
| if arg_name not in func_arg_type: | ||
| raise ZeroException(f"`{func.__name__}` has no type hinting; RPC functions must have type hints") | ||
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| for name, param in signature.parameters.items(): | ||
| if param.annotation is inspect._empty: | ||
| raise ZeroException( | ||
| f"`{func.__name__}` argument `{name}` is not typed." | ||
| ) | ||
| if not param.annotation in allowed_types: | ||
| raise ZeroException( | ||
| f"`{func.__name__}` argument `{name}` type is not supported." | ||
| ) | ||
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| if signature.return_annotation is inspect._empty: | ||
| raise ZeroException( | ||
| f"`{func.__name__}` has no return type hinting; " | ||
| "RPC functions must have type hints" | ||
| ) | ||
| elif not signature.return_annotation in allowed_types: | ||
| raise ZeroException( | ||
| f"`{func.__name__}` return type is not supported." | ||
| ) | ||
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| def verify_function_return(func: typing.Callable): | ||
| types = typing.get_type_hints(func) | ||
| if not types.get("return"): | ||
| raise ZeroException(f"`{func.__name__}` has no return type hinting; RPC functions must have type hints") | ||
| return signature |
Owner
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I don't think "inspect" is a good solution. Most of the tests are failing, it cannot even compare types, as an example list is supported type but it fails to recognize it
Owner
|
@trollfot thank you for the PR! 🙌 Unfortunately, the tests are failing and I think "inspect" is not a good solution for thorough type checking. I have tried it before but forgot why didn't use it 😞 |
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