GRPCIO_VIRTUALENV=$(shell pwd)/grpc_python_venv

GENERATED_DIR=$(shell pwd)/generated_python

GENERATED_SUBDIR=_generated

BIGTABLE_DIR=$(shell pwd)/bigtable/google/cloud/bigtable/$(GENERATED_SUBDIR)

PROTOC_CMD=$(GRPCIO_VIRTUALENV)/bin/python -m grpc.tools.protoc

GOOGLEAPIS_PROTOS_DIR=$(shell pwd)/googleapis-pb

help:

@echo 'Makefile for google-cloud-python Bigtable protos '

@echo ' '

@echo ' make generate Generates the protobuf modules'

@echo ' make clean Clean generated files '

generate:

# Ensure we have a virtualenv w/ up-to-date grpcio/grpcio-tools

[ -d $(GRPCIO_VIRTUALENV) ] || python2.7 -m virtualenv $(GRPCIO_VIRTUALENV)

$(GRPCIO_VIRTUALENV)/bin/pip install --upgrade grpcio grpcio-tools

# Retrieve git repos that have our *.proto files.

[ -d googleapis-pb ] || git clone https://github.com/googleapis/googleapis googleapis-pb --depth=1

cd googleapis-pb && git pull origin master

# Make the directory where our *_pb2.py files will go.

mkdir -p $(GENERATED_DIR)

# Generate all *_pb2.py files that require gRPC.

$(PROTOC_CMD) \

--proto_path=$(GOOGLEAPIS_PROTOS_DIR) \

--python_out=$(GENERATED_DIR) \

--grpc_python_out=$(GENERATED_DIR) \

$(GOOGLEAPIS_PROTOS_DIR)/google/bigtable/v2/bigtable.proto \

$(GOOGLEAPIS_PROTOS_DIR)/google/bigtable/admin/v2/bigtable_instance_admin.proto \

$(GOOGLEAPIS_PROTOS_DIR)/google/bigtable/admin/v2/bigtable_table_admin.proto

# Generate all *_pb2.py files that do not require gRPC.

$(PROTOC_CMD) \

--proto_path=$(GOOGLEAPIS_PROTOS_DIR) \

--python_out=$(GENERATED_DIR) \

$(GOOGLEAPIS_PROTOS_DIR)/google/bigtable/v2/data.proto \

$(GOOGLEAPIS_PROTOS_DIR)/google/bigtable/admin/v2/common.proto \

$(GOOGLEAPIS_PROTOS_DIR)/google/bigtable/admin/v2/instance.proto \

$(GOOGLEAPIS_PROTOS_DIR)/google/bigtable/admin/v2/table.proto \

# Move the newly generated *_pb2.py files into our library.

cp $(GENERATED_DIR)/google/bigtable/v2/* $(BIGTABLE_DIR)

cp $(GENERATED_DIR)/google/bigtable/admin/v2/* $(BIGTABLE_DIR)

# Remove all existing *.proto files before we replace

rm -f $(BIGTABLE_DIR)/*.proto

# Copy over the *.proto files into our library.

cp $(GOOGLEAPIS_PROTOS_DIR)/google/bigtable/v2/*.proto $(BIGTABLE_DIR)

cp $(GOOGLEAPIS_PROTOS_DIR)/google/bigtable/admin/v2/*.proto $(BIGTABLE_DIR)

# Rename all *.proto files in our library with an

# underscore and remove executable bit.

cd $(BIGTABLE_DIR) && \

for filename in *.proto; do \

chmod -x $$filename ; \

mv $$filename _$$filename ; \

done

GRPCIO_VIRTUALENV="$(GRPCIO_VIRTUALENV)" \

# Rewrite the imports in the generated *_pb2.py files.

python scripts/rewrite_imports.py $(BIGTABLE_DIR)/*pb2.py

clean:

rm -fr $(GRPCIO_VIRTUALENV) $(GOOGLEAPIS_PROTOS_DIR) $(GENERATED_DIR)

.PHONY: generate clean