santic-validation 0.0.4

Sanic pydantic validation

Build
Package

Tools for help developers working with Sanic and Pydantic.

Features

• validate_schema

• async_validate_by_method

• SanticModel

• MethodType Field

Installation

pip install santic-validation

Usage

from typing import Optional
from pydantic import BaseModel, Field
from santic_validation import (
    validate_schema,
    async_validate_by_method,
    SanticModel,
    MethodType,
)


class QueryAddressSchema(BaseModel):
   location: str


def address_number(value: str):
   return f"Number: {value}"


def make_address(value: str):
   return f"Address: {value}"


class AddressSchema(SanticModel):
   number: MethodType[int] = Field(method=address_number)
   address: MethodType[str] = Field(method=make_address)

   @property
   def address_method_params(self):
       query: QueryAddressSchema = self._context.get("query")
       return {"value": f"{self.address} ({query.location})"}

   @property
   def number_method_params(self):
       query: QueryAddressSchema = self._context.get("query")
       return {"value": f"{self.number} ({query.location})"}


class PlanetSchema(BaseModel):
   name: Optional[str]
   category: int


sanic_app = Sanic(name="TestingApp")


def query_category_(category_id):
    return Model.get(id=category_id)


@sanic_app.route("/post", methods=["POST"])
@validate_schema(body=BodySchema, query=QuerySchema)
async def post_handler(request, body, query):

    # validate to make sure category exists
    # if exists, change the body.category value
    async_validate_by_method(
        body,
        {
            "category": {
                "method": query_category,
                "params": {"category_id": body.category},
            }
        },
        exceptions=(DoesNotExists,),
    )

    return Text("hello world")


@sanic_app.route("/post_address", methods=["POST"])
@validate_schema(
   body=AddressSchema,
   query=QueryAddressSchema,
   method_replace_value=True,
)
async def post_address(request, body, query):
    return json(
        {
            "body": body.dict(),
            "query": query.dict(),
        }
    )