opentelemetry-sdk: add experimental composable rule based sampler by xrmx · Pull Request #4882

opentelemetry-sdk: add experimental composable rule based sampler by xrmx · Pull Request #4882 · open-telemetry/opentelemetry-python

xrmx mentioned this pull request

Jan 19, 2026

xrmx and others added 3 commits

January 20, 2026 09:49

…mental/_rule_based.py

Co-authored-by: Anuraag (Rag) Agrawal <anuraaga@gmail.com>

…t_description

While at it also provide AttributePredicate

xrmx enabled auto-merge (squash)

February 10, 2026 16:24

JWinermaSplunk pushed a commit to JWinermaSplunk/opentelemetry-python that referenced this pull request

Feb 17, 2026

…en-telemetry#4882)

* opentelemetry-sdk: add experimental composable rule based sampler

* Add CHANGELOG

* Use a protocol for PredicateT

* Update opentelemetry-sdk/src/opentelemetry/sdk/trace/_sampling_experimental/_rule_based.py

Co-authored-by: Anuraag (Rag) Agrawal <anuraaga@gmail.com>

* Extend Predicate protocol to require __str__ and use it on sampler get_description

While at it also provide AttributePredicate

* Use a generator for getting predicates and descriptions

* Add tests that matches with more than one rule

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Co-authored-by: Anuraag (Rag) Agrawal <anuraaga@gmail.com>