The Dapr Python SDK (version 1.17.4) is the official library for building distributed applications with Dapr building blocks in Python. Dapr provides a portable, event-driven, serverless runtime that simplifies microservices development across cloud and edge environments. The SDK allows interaction with Dapr's APIs for state management, pub/sub, service invocation, bindings, and more. Dapr generally releases minor updates every 6-13 weeks, with three recent minor versions typically supported concurrently.
pip install daprVerified import paths — ran on the pinned version, not inferred.
This quickstart demonstrates how to initialize the Dapr Python client and interact with the Dapr state management building block to save and retrieve a key-value pair. Ensure a Dapr sidecar is running and a state store component (e.g., 'statestore') is configured and accessible to your application.
Always check the SDK changelog and Dapr runtime release notes for breaking changes before upgrading. Test SDK upgrades in development environments first.
When performing service invocation, prefer HTTP or gRPC proxying where applicable. Refer to the Dapr documentation for the recommended approach to gRPC communication between services.
Remove explicit calls to `DaprClient().wait()`. The client will automatically perform a health check against the Dapr sidecar at initialization.
Consult the Dapr documentation for the SDK to runtime compatibility matrix. Pin your Dapr SDK version explicitly in your `requirements.txt` (e.g., `dapr==1.17.4`) and ensure your Dapr runtime is within the supported range.
Exercise caution when using Alpha or Preview features in production. Be prepared for rapid changes and frequent updates to your code when new Dapr releases become available. Monitor Dapr release notes closely for updates on these features.
Ensure the Dapr sidecar is properly launched alongside your application (e.g., using `dapr run`). Verify the Dapr HTTP and gRPC ports are correct and not blocked. Check Dapr sidecar logs for initialization issues.
Verify that your component YAML files are correctly placed and configured. Ensure the `dapr run` command includes the `--resources-path` argument pointing to your components directory. Check the component's name in your code matches the component's `name` field in its YAML definition.
Inspect the Dapr sidecar logs (enable debug logging for more details) and your application logs. The Dapr API response often includes an `errorCode` and `message` that provides specific context (e.g., `ERR_STATE_STORE_NOT_FOUND`, `ERR_PUBSUB_PUBLISH_MESSAGE`).
No dependency data recorded yet.