'.env'))classConfig:"""Set Flask configuration from .env file."""# General ConfigSECRET_KEY=environ.get('SECRET_KEY')FLASK_APP=environ.get('FLASK_APP')FLASK_ENV=environ.get('FLASK_ENV')# DatabaseSQLALCHEMY_DATABASE_URI=environ.get("SQLALCHEMY_DATABASE_URI")SQLALCHEMY_ECHO=FalseSQLALCHEM...
database = 'db_to_sqlalchemy' username = 'root' password = '123456' # 数据库类型+连接数据库的插件,这里使用的pymysql DB_URI = f'mysql+pymysql://{username}:{password}@{host}:{port}/{database}' engine = create_engine(DB_URI) # 创建引擎 # 判断是否连接成功 conn = engine.connect() ...
'sslkey': '/path/to/client.key' } engine = create_engine('postgresql+pg8000://username:password@hostname:port/database', connect_args=ssl_args) 其中,username是数据库用户名,password是数据库密码,hostname是数据库主机名,port是数据库端口号,database是要连接的数据库名称。ssl_args是...
create Session class, engine Session = sessionmaker() engine = create_engine("postgresql+psycopg2://...") class SomeTest(TestCase): def setUp(self): # connect to the database self.connection = engine.connect() # begin a non-ORM transaction self.trans = self.connection.begin() # bind ...
-DATABASE_URI = 'mysql://username:wrong_password@localhost/db_name'+DATABASE_URI = 'mysql://username:correct_password@localhost/db_name' 1. 2. 解决方案 以下是进行 MySQL 连接的分步操作指南: 安装所需库: 在命令行中执行以下命令: pipinstallSQLAlchemy mysqlclient ...
** 确保远程数据库服务器可以正常使用,并且拥有全新可以远程登录,例如:登录数据库:mysql -uroot -p 创建数据库:create database liuyao; 授权库:grant all on liuyao.* to liuyao@"%" identified by 'liuyao'; 更新:flush privileges; 1. 2. 3. 4. 5. 6. 7. 8. 9. 1.基本操作: 1)链接数据库...
-i https://mirrors.aliyun.com/pypi/simple/  --- 使用pymysql import pymysql #1.连接到数据库 conn = pymysql.Connect...import pymysql #1.连接到数据库 conn = pymysql.Connect( host="10.0.0.200", user="root", password...# 一些了解sql语法的 用户 可以输入一些关键字 或合法sql...
connection=mysql.connector.connect(host='localhost',port=3306,user="root",password="123456",database="example_db")returnconnection def get_db(): connection=get_db_connection()db=connection.cursor()try: yield db finally: db.close()connection.close() ...
fromsqlalchemyimportColumn, DateTime, String, text, create_enginefromsqlalchemy.dialects.mysqlimportINTEGER, VARCHARfromsqlalchemy.ormimportsessionmakerfromsqlalchemy.ext.declarativeimportdeclarative_basefromsqlalchemy.ormimportSession#db connect config(略,可自行填写)MYSQL_USER =''MYSQL_PASS=''MYSQL_HOST='...
def main(): """Main entry point of program""" # Connect to the database using SQLAlchemy with resources.path( "project.data", "author_book_publisher.db" ) as sqlite_filepath: engine = create_engine(f"sqlite:///{sqlite_filepath}") Session = sessionmaker() Session.configure(bind=engin...