Implement scalars using Annotated
This is how you create a custom scalar now:
import base64
from typing import NewType
import strawberry
Base64 = strawberry.scalar(
NewType("Base64", bytes),
serialize=lambda v: base64.b64encode(v).decode("utf-8"),
parse_value=lambda v: base64.b64decode(v).encode("utf-8"),
)Unfortunately this is can't be typed properly (See #3312, but I'd love to be wrong, I haven't spent too much time to check this)
If we can type this correctly we could think of implementing scalars using Annotated, like this:
import base64
from typing import NewType
import strawberry
Base64 = Annotated[
NewType("Base64", bytes),
strawberry.scalar(
serialize=lambda v: base64.b64encode(v).decode("utf-8"),
parse_value=lambda v: base64.b64decode(v).encode("utf-8"),
)
]
strawberry-graphql / strawberry
A GraphQL library for Python that leverages type annotations 🍓
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