01 Flask构建可扩展的RESTful API—— 自定义红图

自定义宏图是在原本的蓝图基础上对route的功能进行了一次扩展，蓝图被所有的红图所共用，多加了一个url_prefix的功能，即蓝图的url_prefix=‘v1’，宏图的url_prefix='book'，我们访问的url会变成

127.0.0.1:5000/v1/book

　　

 

 

项目结构如下

 

创建项目根目录ginger

在项目目录ginger下创建目录libs用来存放公共功能ginger/libs/redprint.py是自定义的红图

class Redprint:
    def __init__(self, name):
        self.name = name
        self.mound = []

    def route(self, rule, **options):
        def decorator(f):
            self.mound.append((f, rule, options))
            return f

        return decorator

    def register(self, bp, url_prefix=None):
        if url_prefix is None:
            url_prefix = '/' + self.name
        for f, rule, options in self.mound:
            endpoint = self.name + '+' + \
                       options.pop("endpoint", f.__name__)
            bp.add_url_rule(url_prefix + rule, endpoint, f, **options)

 在红图中没有定义add_url_rule方法所以我们在 router中先把add_url_rule中需要的参数先保存起来，最后在把蓝图对象传到红图中的时候，在使用、

在根目录ginger下创建包app，在包app下创建api的包用来保存接口，在api包下创建v1的包表示v1版本的所有接口

"""
 Created by 七月 on 2018/5/8.
"""
from app.libs.redprint import Redprint
from flask import jsonify

__author__ = '七月'

api = Redprint('book')


@api.route('/search')
def search():
    books = {'name':"zhangbiao"}
    return jsonify(books)

"""
 Created by 七月 on 2018/5/8.
"""
from flask import jsonify

from app.libs.redprint import Redprint



api = Redprint('user')



@api.route('', methods=['GET'])
def get_user():
    user = {"name":"user"}

    return jsonify(user)

from flask import Blueprint
from app.api.v1 import user, book



def create_blueprint_v1():
    bp_v1 = Blueprint('v1', __name__)

    user.api.register(bp_v1)
    book.api.register(bp_v1)
    return bp_v1

"""
 Created by 七月 on 2018/5/8.
"""

__author__ = 'zhang'

from flask import Flask

app = Flask(__name__)


def register_blueprints(app):
    from app.api.v1 import create_blueprint_v1
    app.register_blueprint(create_blueprint_v1(), url_prefix='/v1')


def create_app():
    app.config.from_object('app.config.setting')
    app.config.from_object('app.config.secure')
    register_blueprints(app)

    return app

在app目录下创建配置文件目录config

"""
 Created by 七月 on 2018/5/7.
"""

"""
 Created by 七月 on 2018/5/7.
"""

在ginger目录下创建启动文件ginger.py

from app import create_app


app = create_app()


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