Getting started with the Dapr client Python SDK

How to get up and running with the Dapr Python SDK

The Dapr client package allows you to interact with other Dapr applications from a Python application.

前提

• 安装 Dapr CLI
• 初始化的 Dapr 环境
• Python 3.7+ installed
• Dapr Python module installed

Import the client package

The dapr package contains the DaprClient which will be used to create and use a client.

from dapr.clients import DaprClient

构建块

The Python SDK allows you to interface with all of the Dapr building blocks.

调用服务

from dapr.clients import DaprClient
with DaprClient() as d:
    resp = d.invoke_service(id='service-to-invoke', method='method-to-invoke', data='{"message":"Hello World"}')

• 有关服务调用的完整指南，请访问 如何：调用服务。
• Visit Python SDK examples for code samples and instructions to try out service invocation

保存 & 获取 应用程序状态

from dapr.clients import DaprClient
with DaprClient() as d:
    # Save state
    d.save_state(store_name="statestore", key="key1", value="value1")
    # Get state
    data = d.get_state(store_name="statestore", key="key1").data
    # Delete state
    d.delete_state(store_name="statestore", key="key1")

• 有关状态操作的完整列表，请访问 如何：获取 & 保存 状态。。
• Visit Python SDK examples for code samples and instructions to try out state management

发布消息

from dapr.clients import DaprClient
with DaprClient() as d:
    resp = d.publish_event(pubsub_name='pubsub', topic='TOPIC_A', data='{"message":"Hello World"}')

• 有关状态操作的完整列表，请访问 如何: 发布 & 订阅。
• Visit Python SDK examples for code samples and instructions to try out pub/sub

与输出绑定交互

from dapr.clients import DaprClient
with DaprClient() as d:
    resp = d.invoke_binding(name='kafkaBinding', operation='create', data='{"message":"Hello World"}')

• 有关输出绑定的完整指南，请访问 如何：使用绑定。
• Visit Python SDK examples for code samples and instructions to try out output bindings

检索密钥

from dapr.clients import DaprClient
with DaprClient() as d:
    resp = d.get_secret(store_name='localsecretstore', key='secretKey')

• 有关密钥的完整指南，请访问如何：检索密钥。
• Visit Python SDK examples for code samples and instructions to try out retrieving secrets

相关链接

• Python SDK examples