config 源代码

# -*- coding:utf-8 -*-
import os
basedir = os.path.abspath(os.path.dirname(__file__))

class Config:
    SECRET_KEY = os.environ.get('SECRET_KEY') or 'Stay away from me'
    SQLALCHEMY_COMMIT_ON_TEARDOWN = True
    MAIL_SERVER = 'smtp.163.com'
    MAIL_PORT = '994'
    MAIL_USE_TLS = False
    MAIL_USE_SSL = True
    MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
    MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
    FLASKY_MAIL_SUBJECT_PREFIX = '[影碟租借管理系统]'
    FLASKY_MAIL_SENDER = '影碟租借管理系统'
    FLASKY_ADMIN = os.environ.get('FLASKY_ADMIN')
    SQLALCHEMY_TRACK_MODIFICATIONS = True
    FLASKY_POSTS_PER_PAGE = 10
    FLASKY_FOLLOWERS_PER_PAGE = 10
    FLASKY_COMMENTS_PER_PAGE = 10
    FLASKY_POSTS_PER_PAGE = 10
    SQLALCHEMY_RECORD_QUERIES = True
    FLASKY_DB_QUERY_TIMEOUT = 0.5
    FLASKY_SLOW_DB_QUERY_TIME = 0.5
    MAX_BORROWED_NUMBER = 7
    @staticmethod
    def init_app(app):
        pass

class DevelopmentConfig(Config):
    DEBUG = True
    SQLALCHEMY_DATABASE_URI = os.environ.get('DEV_DATABASE_URL') or \
                'sqlite:///' + os.path.join(basedir, 'data-dev.sqlite')

class TestingConfig(Config):
    TESTING = True
    SQLALCHEMY_DATABASE_URI = os.environ.get('TEST_DATABASE_URL') or \
    'sqlite:///' + os.path.join(basedir, 'data-test.sqlite')


class ProductionConfig(Config):
    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or \
                'sqlite:///' + os.path.join(basedir, 'data.sqlite')

    @classmethod
    def init_app(cls, app):
        Config.init_app(app)

        # email errors to the administrators
        import logging
        from logging.handlers import SMTPHandler
        credentials = None
        secure = None
        if getattr(cls, 'MAIL_USERNAME', None) is not None:
            credentials = (cls.MAIL_USERNAME, cls.MAIL_PASSWORD)
            if getattr(cls, 'MAIL_USE_TLS', None):
                secure = ()
        mail_handler = SMTPHandler(
            mailhost=(cls.MAIL_SERVER, cls.MAIL_PORT),
            fromaddr=cls.FLASKY_MAIL_SENDER,
            toaddrs=[cls.FLASKY_ADMIN],
            subject=cls.FLASKY_MAIL_SUBJECT_PREFIX + ' Application Error',
            credentials=credentials,
            secure=secure)
        mail_handler.setLevel(logging.ERROR)
        app.logger.addHandler(mail_handler)


config = {
    'development': DevelopmentConfig,
    'testing': TestingConfig,
    'production': ProductionConfig,

    'default': DevelopmentConfig
}