The documentation you are viewing is for Dapr v1.10 which is an older version of Dapr. For up-to-date documentation, see the latest version.
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
- Dapr CLI installed
- Initialized Dapr environment
- 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"}')
- For a full guide on service invocation visit How-To: Invoke a service.
- 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")
- For a full list of state operations visit How-To: Get & save state.
- 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"}')
- For a full list of state operations visit How-To: Publish & subscribe.
- 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"}')
- For a full guide on output bindings visit How-To: Use bindings.
- 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')
- For a full guide on secrets visit How-To: Retrieve secrets.
- Visit Python SDK examples for code samples and instructions to try out retrieving secrets
相关链接
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