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Python Flask REST API Resourceful Blueprints Ingredient Fields

Anders Axelsen
Anders Axelsen
3,471 Points
Posted by Anders Axelsen
Anders Axelsen
3,471 Points

Task 1/2: I tried only assigning a fields.String to recipe, and now to all other fields. What am I doing wrong?

Hi there! :-)

It is a bit hard for me to read what I am expected to do on this task. I am stuck.

Can you give me a push in the right direction?

Kindly, Anders

resources/ingredients.py 
from flask import Blueprint

from flask.ext.restful import (
    Resource, Api, reqparse, inputs,
    marshal, marshal_with, fields
)

import models

ingredient_fields = {
    'name' = fields.String,
    'description' = fields.String,
    'measurement_type' = fields.String,
    'quantity' = fields.Float,
    'recipe' = fields.String
}


class IngredientList(Resource):
    def __init__(self):
        self.reqparse = reqparse.RequestParser()
        self.reqparse.add_argument(
            'name',
            required=True,
            location=['form', 'json']
        )
        self.reqparse.add_argument(
            'description',
            required=True,
            location=['form', 'json']
        )
        self.reqparse.add_argument(
            'measurement_type',
            required=True,
            location=['form', 'json']
        )
        self.reqparse.add_argument(
            'quantity',
            type=float,
            required=True,
            location=['form', 'json']
        )
        self.reqparse.add_argument(
            'recipe',
            type=inputs.positive,
            required=True,
            location=['form', 'json']
        )
        super().__init__()

    def get(self):
        ingredients = models.Ingredient.select()
        return ingredients

    def post(self):
        args = self.reqparse.parse_args()
        ingredient = models.Ingredient.create(**args)
        return ingredient


class Ingredient(Resource):
    def __init__(self):
          self.reqparse = reqparse.RequestParser()
          self.reqparse.add_argument(
              'name',
              required=True,
              location=['form', 'json']
          )
          self.reqparse.add_argument(
              'description',
              required=True,
              location=['form', 'json']
          )
          self.reqparse.add_argument(
              'measurement_type',
              required=True,
              location=['form', 'json']
          )
          self.reqparse.add_argument(
              'quantity',
              type=float,
              required=True,
              location=['form', 'json']
          )
          self.reqparse.add_argument(
              'recipe',
              type=inputs.positive,
              required=True,
              location=['form', 'json']
          )
          super().__init__()

    def get(self, id):
        ingredient = models.Ingredient.get(models.Ingredient.id==id)
        return ingredient

ingredients_api = Blueprint('resources.ingredients', __name__)
api = Api(ingredients_api)
api.add_resource(IngredientList, '/api/v1/ingredients')
api.add_resource(Ingredient, '/api/v1/ingredients/<int:id>')

2 Answers

Anders Axelsen
Anders Axelsen
3,471 Points
Anders Axelsen
Anders Axelsen
3,471 Points

I added the @marshal_with to the get-function, so it corresponded with the dictionary, ingredient_fields.

solved

ursaminor
ursaminor
11,271 Points
ursaminor
ursaminor
11,271 Points

In ingredient_fields, replace = with :