Strawberry GraphQL•3y ago

descriptions for arguments

Is there any way to add descriptions to arguments currently? I think it's a drawback that we cannot add stuff like deprecated directives and descriptions to arguments just because we use typehints.

@strawberry.field()
def my_field(parent, info, my_arg: str):
        pass

@strawberry.field()
def my_field(parent, info, my_arg: str):
        pass

Instead of this, does python support something like:

@strawberry.field()
def my_field(parent, info, my_arg: GraphQLString(description="", deprecated=True)):
        pass

@strawberry.field()
def my_field(parent, info, my_arg: GraphQLString(description="", deprecated=True)):
        pass

That would be cool

7 Replies

Aryan IyappanOP•3y ago

I think this will be possible:

from typing import Annotated

@strawberry.field()
def my_field(parent, info, my_arg: Annotated[str, Field(description="my field description", deprecated=True)]):
    pass

from typing import Annotated

@strawberry.field()
def my_field(parent, info, my_arg: Annotated[str, Field(description="my field description", deprecated=True)]):
    pass

So the following will also be possible:

from typing import Annotated

@strawberry.type()
class UserType:
        username: Annotated[str, Field(description="username description", deprecated=True)]

from typing import Annotated

@strawberry.type()
class UserType:
        username: Annotated[str, Field(description="username description", deprecated=True)]

This looks sorta clean. Is this already possible but not mentioned in the docs? @jkimbo @patrick.py This is assuming we have a class named Field from strawberry that holds the metadata

Unknown User•3y ago

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Aryan IyappanOP•3y ago

Nope this is about arguments, the one about fields was related

Unknown User•3y ago

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Aryan IyappanOP•3y ago

Oh! I didnt notice it! Thanks!

Unknown User•3y ago

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Aryan IyappanOP•3y ago

Maybe someone should create an issue regarding this

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descriptions for arguments