def create_app(config_class=Config):
    app = Flask(__name__)
    app.config.from_object(config_class)
    db.init_app(app)
    migrate.init_app(app, db)
    login.init_app(app)
    mail.init_app(app)
    bootstrap.init_app(app)
    moment.init_app(app)
    babel.init_app(app)
    app.elasticsearch = (Elasticsearch([app.config['ELASTICSEARCH_URL']]) if app.config['ELASTICSEARCH_URL'] else None)
    app.redis = Redis.from_url(app.config['REDIS_URL'])
    app.task_queue = rq.Queue('microblog-tasks', connection=app.redis)
    from app.errors import bp as errors_bp
    app.register_blueprint(errors_bp)
    from app.auth import bp as auth_bp
    app.register_blueprint(auth_bp, url_prefix='/auth')
    from app.main import bp as main_bp
    app.register_blueprint(main_bp)
    from app.api import bp as api_bp
    app.register_blueprint(api_bp, url_prefix='/api')
    if ((not app.debug) and (not app.testing)):
        if app.config['MAIL_SERVER']:
            auth = None
            if (app.config['MAIL_USERNAME'] or app.config['MAIL_PASSWORD']):
                auth = (app.config['MAIL_USERNAME'], app.config['MAIL_PASSWORD'])
            secure = None
            if app.config['MAIL_USE_TLS']:
                secure = ()
            mail_handler = SMTPHandler(mailhost=(app.config['MAIL_SERVER'], app.config['MAIL_PORT']), fromaddr=('no-reply@' + app.config['MAIL_SERVER']), toaddrs=app.config['ADMINS'], subject='Microblog Failure', credentials=auth, secure=secure)
            mail_handler.setLevel(logging.ERROR)
            app.logger.addHandler(mail_handler)
        if app.config['LOG_TO_STDOUT']:
            stream_handler = logging.StreamHandler()
            stream_handler.setLevel(logging.INFO)
            app.logger.addHandler(stream_handler)
        else:
            if (not os.path.exists('logs')):
                os.mkdir('logs')
            file_handler = RotatingFileHandler('logs/microblog.log', maxBytes=10240, backupCount=10)
            file_handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]'))
            file_handler.setLevel(logging.INFO)
            app.logger.addHandler(file_handler)
        app.logger.setLevel(logging.INFO)
        app.logger.info('Microblog startup')
    return app
def create_app(config_class=Config):
    app = Flask(__name__)
    app.config.from_object(config_class)
    db.init_app(app)
    migrate.init_app(app, db)
    login.init_app(app)
    mail.init_app(app)
    bootstrap.init_app(app)
    moment.init_app(app)
    babel.init_app(app)
    app.elasticsearch = (Elasticsearch([app.config['ELASTICSEARCH_URL']]) if app.config['ELASTICSEARCH_URL'] else None)
    app.redis = Redis.from_url(app.config['REDIS_URL'])
    app.task_queue = rq.Queue('microblog-tasks', connection=app.redis)
    from app.errors import bp as errors_bp
    app.register_blueprint(errors_bp)
    from app.auth import bp as auth_bp
    app.register_blueprint(auth_bp, url_prefix='/auth')
    from app.main import bp as main_bp
    app.register_blueprint(main_bp)
    from app.api import bp as api_bp
    app.register_blueprint(api_bp, url_prefix='/api')
    if ((not app.debug) and (not app.testing)):
        if app.config['MAIL_SERVER']:
            auth = None
            if (app.config['MAIL_USERNAME'] or app.config['MAIL_PASSWORD']):
                auth = (app.config['MAIL_USERNAME'], app.config['MAIL_PASSWORD'])
            secure = None
            if app.config['MAIL_USE_TLS']:
                secure = ()
            mail_handler = SMTPHandler(mailhost=(app.config['MAIL_SERVER'], app.config['MAIL_PORT']), fromaddr=('no-reply@' + app.config['MAIL_SERVER']), toaddrs=app.config['ADMINS'], subject='Microblog Failure', credentials=auth, secure=secure)
            mail_handler.setLevel(logging.ERROR)
            app.logger.addHandler(mail_handler)
        if app.config['LOG_TO_STDOUT']:
            stream_handler = logging.StreamHandler()
            stream_handler.setLevel(logging.INFO)
            app.logger.addHandler(stream_handler)
        else:
            if (not os.path.exists('logs')):
                os.mkdir('logs')
            file_handler = RotatingFileHandler('logs/microblog.log', maxBytes=10240, backupCount=10)
            file_handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]'))
            file_handler.setLevel(logging.INFO)
            app.logger.addHandler(file_handler)
        app.logger.setLevel(logging.INFO)
        app.logger.info('Microblog startup')
    return app