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from dataclasses import dataclass, field
from typing import NewType
from apischema import schema
from apischema.json_schema import deserialization_schema
Tag = NewType("Tag", str)
schema(min_len=3, pattern=r"^\w*$", examples=["available", "EMEA"])(Tag)
@dataclass
class Resource:
id: int
tags: list[Tag] = field(
default_factory=list,
metadata=schema(
description="regroup multiple resources", max_items=3, unique=True
),
)
assert deserialization_schema(Resource) == {
"$schema": "http://json-schema.org/draft/2020-12/schema#",
"additionalProperties": False,
"properties": {
"id": {"type": "integer"},
"tags": {
"description": "regroup multiple resources",
"items": {
"examples": ["available", "EMEA"],
"minLength": 3,
"pattern": "^\\w*$",
"type": "string",
},
"maxItems": 3,
"type": "array",
"uniqueItems": True,
"default": [],
},
},
"required": ["id"],
"type": "object",
}
|
