conn = pyodbc.connect(conn_str) print("Connected to the database successfully!") conn.close() except Exception as e: print(f"Failed to connect to the database: {e}") __EOF__
Dockerfile 文件 FROM python:3.6-alpine RUN apk add gcc python3-dev musl-dev postgresql-dev RUN pip install psycopg2
And the python script which is supposed to connect to the database looks like this: importpyodbc conn_str = pyodbc.connect('Driver={PostgreSQL Driver};''Server=otda_postgres_1;''Port=5432;''Database=postgres;''UID=myuser;''PWD=secret;') conn = pyodbc.connect(conn_str, ...
Django project and postgres are in different docker containers. I want to write the unit test cases for this application using pytest. I have implemented test cases usingAPIClient()along with@pytest.mark.django_db. However while executing the pytest from local django application is not...
在VS Code dev Container中,默认情况下,您会看到容器的隔离Docker网络。您需要在主机上访问网络。您...
例如使用 redis 实现消息队列,用 Psycopg 完成对于 PostgreSQL 数据库的存取等等。随之而来 Docker 就变成了程序员必不可少的常备工具。为了掌握如何将我的 Python 应用与 Docker 结合起来,就要学习他人的经验分享。于是一次又一次地看到了下面这样的 Dockerfile 例子:...
例如使用 redis 实现消息队列,用 Psycopg 完成对于 PostgreSQL 数据库的存取等等。随之而来 Docker 就变成了程序员必不可少的常备工具。为了掌握如何将我的 Python 应用与 Docker 结合起来,就要学习他人的经验分享。于是一次又一次地看到了下面这样的 Dockerfile 例子:...
importpsycopg2try:connection=psycopg2.connect(user="your_username",password="your_password",host="127.0.0.1",port="5432",database="your_database")cursor=connection.cursor()print("Connected to PostgreSQL database!")except(Exception,psycopg2.Error)aserror:print("Error while connecting to PostgreSQL",...
在这个问题中,您遇到了一个在Docker容器中未正确导入Python包的问题。为了解决这个问题,您可以采取以下步骤: 1. 确保您的Python包已正确安装:在Dockerfile中添加相应的命令,...
nodes = [R1, SW1, SW2, SW3, SW4]defconnect_to_dev(device, mp_queue): dev_id = device['ip'] return_data = {} net_connect = ConnectHandler(**device) output = net_connect.send_command("show run") return_data[dev_id] = outputprint("Adding the result to the multiprocess queue"...