python flaskフレームワークの構築と基本構成

Flaskフレームワーク基本構成
プロファイル:

import logging
from redis import StrictRedis


class Config(object):
    """     """

    SECRET_KEY = "iECgbYWReMNxkRprrzMo5KAQYnb2UeZ3bwvReTSt+VSESW0OB8zbglT+6rEcDW9X"

    #         
    SQLALCHEMY_DATABASE_URI = "mysql://root:[email protected]:3306/information27"
    SQLALCHEMY_TRACK_MODIFICATIONS = False

    # Redis   
    REDIS_HOST = "127.0.0.1"
    REDIS_PORT = 6379

    # Session    
    SESSION_TYPE = "redis"
    #   session  
    SESSION_USE_SIGNER = True
    #    Session     redis
    SESSION_REDIS = StrictRedis(host=REDIS_HOST, port=REDIS_PORT)
    #       
    SESSION_PERMANENT = False
    #       
    PERMANENT_SESSION_LIFETIME = 86400 * 2

    #       
    LOG_LEVEL = logging.DEBUG


class DevelopmentConfig(Config):
    """        """
    DEBUG = True


class ProductionConfig(Config):
    """        """
    DEBUG = False
    LOG_LEVEL = logging.WARNING


class TestingConfig(Config):
    """          """
    DEBUG = True
    TESTING = True


config = {
    "development": DevelopmentConfig,
    "production": ProductionConfig,
    "testing": TestingConfig
}

appの作成

import logging
from logging.handlers import RotatingFileHandler

from flask import Flask
#        session      
from flask.ext.session import Session
from flask.ext.sqlalchemy import SQLAlchemy
from flask.ext.wtf import CSRFProtect
from redis import StrictRedis

from config import config

#       
#   Flask                  ，       init_app       
db = SQLAlchemy()

# https://www.cnblogs.com/xieqiankun/p/type_hints_in_python3.html
redis_store = None  # type: StrictRedis
# redis_store: StrictRedis = None


def setup_log(config_name):
    #          
    logging.basicConfig(level=config[config_name].LOG_LEVEL)  #   debug 
    #        ，         、           、           
    file_log_handler = RotatingFileHandler("logs/log", maxBytes=1024 * 1024 * 100, backupCount=10)
    #                                  
    formatter = logging.Formatter('%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s')
    #                   
    file_log_handler.setFormatter(formatter)
    #           （flask app   ）       
    logging.getLogger().addHandler(file_log_handler)


def create_app(config_name):
    #     ,        ，                  
    setup_log(config_name)
    #   Flask  
    app = Flask(__name__)
    #     
    app.config.from_object(config[config_name])
    #   app   
    db.init_app(app)
    #     redis     
    global redis_store
    redis_store = StrictRedis(host=config[config_name].REDIS_HOST, port=config[config_name].REDIS_PORT)
    #        CSRF   ，         
    CSRFProtect(app)
    #   session      
    Session(app)
    #   csrf   cookie
    @app.after_request
    def after_request(response):
        #        csrf_token
        csrf_token = generate_csrf()
        #    cookie       
        response.set_cookie("csrf_token", csrf_token)
        return response

    #     
    from info.modules.index import index_blu
    app.register_blueprint(index_blu)

    return app

プロジェクト開始エントリ:

from flask_script import Manager
from flask_migrate import Migrate, MigrateCommand
from info import create_app, db, models

# manage.py        ，              ，      
#     app        

#                 app
# create_app         
app = create_app('development')

manager = Manager(app)
#   app   db   
Migrate(app, db)
#         manager 
manager.add_command('db', MigrateCommand)

if __name__ == '__main__':
    manager.run()