Lab: safe gRPC retries¶

One script behind the retry measurements. An in-process grpc.aio server exposes a Charge method whose behaviour is chosen by the request (fail before the charge, fail after it, be slow) and counts every charge it made, plus an Export stream that breaks at the third item on its first attempt.

uv venv --python 3.13 .venv
uv pip install --python .venv/bin/python "grpc-client-kit[deadline]==0.1.0"
.venv/bin/python retries_lab.py