Pure-Python otlp-proto-common encoding (no protobuf) [2/4 RFC] - #5504
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ocelotl wants to merge 2 commits into
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Pure-Python otlp-proto-common encoding (no protobuf) [2/4 RFC]#5504ocelotl wants to merge 2 commits into
ocelotl wants to merge 2 commits into
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Swap the google.protobuf-generated message classes for hand-written pure-Python encoders under opentelemetry._proto, keeping the public opentelemetry.proto.* import namespace via thin re-export shims. Removes the protobuf (and native upb) dependency entirely; only the serialize path used by the OTLP exporters is implemented (plus the empty export-service response decode).
Point the shared OTLP encoders at the pure-Python opentelemetry-proto package. No google.protobuf dependency; public opentelemetry.exporter.otlp.proto.common.* API preserved via re-export shims over the private _proto implementation.
Pull request dashboard statusWaiting on the author · refreshed 2026-08-14 16:59 UTC Move out of draft to request review. Status above doesn't look right?
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What
Point
opentelemetry-exporter-otlp-proto-common(the shared OTLP encoders for traces/metrics/logs) at the pure-Python protobuf backend from #5503. Nogoogle.protobufanywhere in the OTLP encode path.The public
opentelemetry.exporter.otlp.proto.common.*API is preserved via re-export shims over a privateopentelemetry.exporter.otlp._proto.commonimplementation, mirroring the structure used foropentelemetry-protoin #5503.Stacked series (merge in order)
opentelemetry-proto→ pure-Pythonopentelemetry-exporter-otlp-proto-common→ pure-Python backend (this PR)opentelemetry-exporter-otlp-proto-http→ pure-Python + stdliburllibopentelemetry-exporter-otlp-proto-grpc→ pure-Python gRPCThis PR depends on #5503 and its diff includes #5503's changes (cumulative, since we can't host intermediate base branches in the upstream repo). To review only the common-package changes, see the fork compare:
https://github.com/ocelotl/opentelemetry-python/compare/pure-python-otlp-1-proto...pure-python-otlp-2-commonNotes
opentelemetry-proto == 1.45.0.dev(now the pure-Python package).Stack (merge in order): #5503 (proto) → #5504 (common) → #5505 (http) → #5506 (grpc)