【问题标题】:PokeAPI & Flask: Combining different properties on APIPokeAPI & Flask:在 API 上结合不同的属性
【发布时间】:2020-09-28 19:31:55
【问题描述】:

这里是 API 初学者,

我正在创建一个 API,它通过一个 ENDPOINT 调用角色名称及其描述。到目前为止,我的数据出现在不同的端点。

目标:让输出格式('http://127.0.0.1:5000/v1/pokemon/string:name')看起来与此类似:

{ "name": "pichu", "description": "还没有蓄电的本领,被逗乐或受惊可能会发出震动。"}

from flask import Flask, jsonify, Response
from flask_restful import Resource, Api, fields, marshal_with
import requests, json

app = Flask(__name__)
api = Api(app)

# Prints all Pokemon via JSON
@app.route('/v1/pokemon/all', methods=['GET'])
def poke_names():
    data = []
    name_url = "https://pokeapi.co/api/v2/pokemon?limit=151"
    while True:
        resp = requests.get(name_url)
        json = resp.json()
        data.extend(json.get('results', []))
        name_url = json.get('next')
        if not name_url: break
    return jsonify(data)


@app.route('/v1/pokemon/<string:name>/title', methods=['GET'])
def get_poke(name):
     return jsonify({'name': name})


#flavor Text ie pokemon description
@app.route('/v1/pokemon/<int:pokemon_id>', methods=['GET'])
def get_description(pokemon_id):
    descrip_url = f"https://pokeapi.co/api/v2/pokemon-species/{pokemon_id}"
    r = requests.get(descrip_url)
    json_blob = r.json()
    flav_text = extract_descriptive_text(json_blob)
    return jsonify({'description': flav_text})


def extract_descriptive_text(json_blob, language='en'):
    text = []
    for f in json_blob['flavor_text_entries']:
        if f['language']['name'] == language:
            text.append(f['flavor_text'])
    return text


#error occurs below
@app.route('/v1/pokemon/<string:name>')
def all_poke_data(name, flav_text):
    return jsonify({'name':name, 'description':flav_text})


if __name__ == "__main__":
    app.run(debug=True)

错误:当我尝试合并它们时,我得到了

TypeError: all_poke_data() missing 1 required positional argument: 'flav_text'

感谢您提供的任何指示!

【问题讨论】:

    标签: python-3.x api flask-restful


    【解决方案1】:

    想通了!

    只需添加这个函数,它是两个路由函数的组合

    @app.route('/v1/pokemon/<string:name>')
    def get_poke(name):
        descrip_url = f"https://pokeapi.co/api/v2/pokemon-species/{name}"
        r = requests.get(descrip_url)
        json_blob = r.json()
        flav_text = extract_descriptive_text(json_blob)
        return jsonify({'name': name},{'description': flav_text})
    

    【讨论】:

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