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LaunchDarkly SDK for Python
pip install launchdarkly-server-sdk
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Requires Python
>=3.8
Dependencies
- boto3
>=1.9.71; extra == "dynamodb" - certifi
>=2018.4.16 - expiringdict
>=1.1.4 - launchdarkly-eventsource
<2.0.0,>=1.1.0 - pyRFC3339
>=1.0 - python-consul
>=1.0.1; extra == "consul" - pyyaml
>=5.3.1; extra == "test-filesource" - redis
>=2.10.5; extra == "redis" - semver
>=2.10.2 - urllib3
<3,>=1.26.0 - watchdog
>=3.0.0; extra == "test-filesource"
LaunchDarkly Server-side SDK for Python
LaunchDarkly overview
LaunchDarkly is a feature management platform that serves trillions of feature flags daily to help teams build better software, faster. Get started using LaunchDarkly today!
Supported Python versions
This version of the LaunchDarkly SDK is compatible with Python 3.8 through 3.12. It is tested with the most recent patch releases of those versions. Python versions 2.7 to 3.6 are no longer supported.
Getting started
Refer to the SDK reference guide for instructions on getting started with using the SDK.
Learn more
Read our documentation for in-depth instructions on configuring and using LaunchDarkly. You can also head straight to the complete reference guide for this SDK.
Generated API documentation is on readthedocs.io.
Testing
We run integration tests for all our SDKs using a centralized test harness. This approach gives us the ability to test for consistency across SDKs, as well as test networking behavior in a long-running application. These tests cover each method in the SDK, and verify that event sending, flag evaluation, stream reconnection, and other aspects of the SDK all behave correctly.
Contributing
We encourage pull requests and other contributions from the community. Check out our contributing guidelines for instructions on how to contribute to this SDK.
Verifying SDK build provenance with the SLSA framework
LaunchDarkly uses the SLSA framework (Supply-chain Levels for Software Artifacts) to help developers make their supply chain more secure by ensuring the authenticity and build integrity of our published SDK packages. To learn more, see the provenance guide.
About LaunchDarkly
- LaunchDarkly is a continuous delivery platform that provides feature flags as a service and allows developers to iterate quickly and safely. We allow you to easily flag your features and manage them from the LaunchDarkly dashboard. With LaunchDarkly, you can:
- Roll out a new feature to a subset of your users (like a group of users who opt-in to a beta tester group), gathering feedback and bug reports from real-world use cases.
- Gradually roll out a feature to an increasing percentage of users, and track the effect that the feature has on key metrics (for instance, how likely is a user to complete a purchase if they have feature A versus feature B?).
- Turn off a feature that you realize is causing performance problems in production, without needing to re-deploy, or even restart the application with a changed configuration file.
- Grant access to certain features based on user attributes, like payment plan (eg: users on the ‘gold’ plan get access to more features than users in the ‘silver’ plan). Disable parts of your application to facilitate maintenance, without taking everything offline.
- LaunchDarkly provides feature flag SDKs for a wide variety of languages and technologies. Read our documentation for a complete list.
- Explore LaunchDarkly
- launchdarkly.com for more information
- docs.launchdarkly.com for our documentation and SDK reference guides
- apidocs.launchdarkly.com for our API documentation
- blog.launchdarkly.com for the latest product updates