feat: add contrib.activity_cache for activity memoization#1376
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saeedseyfi wants to merge 2 commits intotemporalio:mainfrom
Draft
feat: add contrib.activity_cache for activity memoization#1376saeedseyfi wants to merge 2 commits intotemporalio:mainfrom
saeedseyfi wants to merge 2 commits intotemporalio:mainfrom
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Activities aren't idempotent by default. When workflows retry or re-run, every activity executes again even when inputs haven't changed. This module provides content-addressed caching with shared remote storage via fsspec, as both a decorator and an interceptor. Closes temporalio#1374
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Tests interceptor with real Temporal worker: - Verifies second call with same args is served from cache - Verifies @no_cache activities always execute
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Summary
temporalio.contrib.activity_cachemodule for content-addressed activity memoization with shared remote storage@cacheddecorator for explicit per-activity caching,CachingInterceptorfor transparent all-activity cachingkey_fnfor selecting which arguments matter for the cache keyfsspecfor storage (same approach as feat: add contrib.workdir for remote-backed activity workspaces #1375)Closes #1374
Test plan
memory://backend