Steven D'Aprano <st...@pearwood.info> writes:
> I have a lot of functions that perform the same argument checking each
> time:
Not an answer to the question you ask, but: Have you tried the data
validation library “voluptuous”?
Voluptuous, despite the name, is a Python data validation library.
It is primarily intended for validating data coming into Python as
JSON, YAML, etc.
It has three goals:
Simplicity.
Support for complex data structures.
Provide useful error messages.
<URL:https://pypi.python.org/pypi/voluptuous/>
Seems like a good way to follow Don't Repeat Yourself in code that needs
a lot of validation of inputs.
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Ben Finney
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