Separate proto gen

dev-requirements.txt

@@ -10,12 +10,6 @@ sphinx-autodoc-typehints~=1.25
 pytest==7.1.3
 pytest-cov~=4.1
 readme-renderer~=24.0
-# This version of grpcio-tools ships with protoc 3.19.4 which appears to be compatible with
-# both protobuf 3.19.x and 4.x (see https://github.com/protocolbuffers/protobuf/issues/11123).
-# Bump this version with caution to preserve compatibility with protobuf 3.
-# https://github.com/open-telemetry/opentelemetry-python/blob/main/opentelemetry-proto/pyproject.toml#L28
-grpcio-tools==1.48.1
-mypy-protobuf~=3.0.0
 # temporary fix. we should update the jinja, flask deps
 # See https://github.com/pallets/markupsafe/issues/282
 # breaking change introduced in markupsafe causes jinja, flask to break

gen-requirements.txt

@@ -0,0 +1,6 @@
+# This version of grpcio-tools ships with protoc 3.19.4 which appears to be compatible with
+# both protobuf 3.19.x and 4.x (see https://github.com/protocolbuffers/protobuf/issues/11123).
+# Bump this version with caution to preserve compatibility with protobuf 3.
+# https://github.com/open-telemetry/opentelemetry-python/blob/main/opentelemetry-proto/pyproject.toml#L28
+grpcio-tools==1.48.1
+mypy-protobuf~=3.0.0

scripts/proto_codegen.sh

@@ -32,7 +32,7 @@ echo "Creating temporary virtualenv at $venv_dir using $(python3 --version)"
 python3 -m venv $venv_dir
 source $venv_dir/bin/activate
 python -m pip install \
- -c $repo_root/dev-requirements.txt \
+ -c $repo_root/gen-requirements.txt \
  grpcio-tools mypy-protobuf
 echo 'python -m grpc_tools.protoc --version'
 python -m grpc_tools.protoc --version