docs(python): Include async flag cache providers#17066
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Vale prose linter → found 0 errors, 1 warnings, 0 suggestions in your markdown Full report → Copy the linter results into an LLM to batch-fix issues. Linter being weird? Update the rules!
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| Line | Severity | Message | Rule |
|---|---|---|---|
| 34:71 | warning | Use 'PostHog' instead of 'posthog'. | Vale.Terms |
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marandaneto
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| - [Synchronous Redis cache provider](https://github.com/PostHog/posthog-python/blob/master/examples/redis_flag_cache.py) | ||
| - [Async Redis cache provider](https://github.com/PostHog/posthog-python/blob/master/examples/async_redis_flag_cache.py) for async-first applications using `redis.asyncio` |
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lets use a permlink instead
marandaneto
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May 28, 2026
| | `on_flag_definitions_received(data)` | Store definitions after a successful API fetch. | `None` or an awaitable resolving to `None` | | ||
| | `shutdown()` | Release locks, close connections, clean up resources. | `None` or an awaitable resolving to `None` | | ||
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| > **Note:** All methods may throw errors. The SDK catches and logs them gracefully, ensuring cache provider errors never break flag evaluation. |
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not related to this pr but this is confusing
either the methods throw or not (unless the sdk catch and rethrow?)
marandaneto
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May 28, 2026
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Changes
FlagDefinitionCacheProvidermethods can return awaitables.redis.asynciousing the SDK-managed background event loop.Related SDK PR: PostHog/posthog-python#626
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vercel.json