> > For an example. Anyone is free to use, but I'm not claiming it's > necessarily the best. This is from... well, probably not yesterday like I > said in other comment, but a couple days ago. The module `jsonschema` has > an API where it raises an exception if `validate()` doesn't succeed (None > if things are happy). I don't love that API, so want to wrap it. >
> def not_valid(instance, schema): > try: > return validate(instance, schema) > except ValidationError as err: > return str(err) > > I really wanted that to be one line rather than a helper function, and it > really feels like it should be possible... and yet. > Incidentally, this is also helped greatly by the Walrus operator. With the support function I write: if msg := not_valid(instance, schema): print("The problem is:", msg) # The exception contains detailed diagnosis else: do_json_stuff(instance) -- The dead increasingly dominate and strangle both the living and the not-yet born. Vampiric capital and undead corporate persons abuse the lives and control the thoughts of homo faber. Ideas, once born, become abortifacients against new conceptions.
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