From d6f963190f3c57854918dce96cbc877d936204f5 Mon Sep 17 00:00:00 2001
From: Dana Okafor <dana@acme-sdk.dev>
Date: Tue, 3 Mar 2026 19:43:05 -0800
Subject: [PATCH] feat(wip): scaffold gRPC transport for OTLP exporter
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Initial skeleton for the gRPC exporter. Not yet functional —
needs grpcio integration and proto compilation.

Refs #81
---
 src/acme_sdk/exporters/grpc.py | 51 ++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 src/acme_sdk/exporters/grpc.py

diff --git a/src/acme_sdk/exporters/grpc.py b/src/acme_sdk/exporters/grpc.py
new file mode 100644
index 0000000..978e668
--- /dev/null
+++ b/src/acme_sdk/exporters/grpc.py
@@ -0,0 +1,51 @@
+"""gRPC transport for the OTLP exporter (WIP)."""
+
+from __future__ import annotations
+
+import logging
+from typing import Any, Optional, Sequence
+
+from acme_sdk.models import Span
+
+logger = logging.getLogger(__name__)
+
+
+class GRPCExporter:
+    """Export telemetry data using OTLP over gRPC.
+
+    This exporter provides lower-latency export compared to HTTP,
+    suitable for high-throughput production workloads.
+
+    NOTE: This is a work in progress. The gRPC transport is not yet
+    fully implemented.
+
+    Args:
+        endpoint: gRPC endpoint address (host:port).
+        credentials: Optional gRPC channel credentials.
+        compression: Whether to use gzip compression.
+        timeout: RPC deadline in seconds.
+    """
+
+    def __init__(
+        self,
+        endpoint: str = "localhost:4317",
+        credentials: Optional[Any] = None,
+        compression: bool = True,
+        timeout: float = 30.0,
+    ) -> None:
+        self._endpoint = endpoint
+        self._compression = compression
+        self._timeout = timeout
+
+        # TODO: Initialize gRPC channel
+        # try:
+        #     import grpc
+        #     self._channel = grpc.insecure_channel(endpoint)
+        # except ImportError:
+        #     raise ImportError("grpcio is required for gRPC transport")
+
+        logger.warning("GRPCExporter is not yet fully implemented")
+
+    def export(self, spans: Sequence[Span]) -> None:
+        """Export spans via gRPC (not yet implemented)."""
+        raise NotImplementedError("gRPC export is not yet implemented")