Add flake8

.flake8

+[flake8]
+max-line-length = 120
+inline-quotes = single
+multiline-quotes = double
+avoid-escape = False
+exclude = .git,.tox,.env,.github,.pytest_cache,__pycache__,files,dist,build,*.egg-info,*_pb2.py,*_pb2_grpc.py
\ No newline at end of file

Makefile

@@ -10,6 +10,7 @@ help:
 	@echo "clean-pyc - remove Python file artifacts"
 	@echo "clean-test - remove test and coverage artifacts"
 	@echo "clean-proto - remove generated gRPC code"
+	@echo "lint - check python code by flake8"
 	@echo "generate - generate gRPC code"
 	@echo "dist - package"
 	@echo "release - package and upload a release"
@@ -42,6 +43,9 @@ clean-proto:
 install-requirements:
 	pip install -r build-requirements.txt
 
+lint: install-requirements
+	flake8 perxis/
+
 generate: clean-proto install-requirements
 	find $(PROTO_FILES_DIR) -name '*.proto' -exec python3 -m grpc_tools.protoc -I${PROTO_FILES_DIR} --python_out=$(OUTPUT_FILES_DIR) --grpc_python_out=$(OUTPUT_FILES_DIR) {} +
 

build-requirements.txt

@@ -7,18 +7,27 @@ devpi-client==5.2.2
 devpi-common==3.6.0
 distlib==0.3.1
 filelock==3.0.12
+flake8==3.9.0
+grpcio==1.36.1
 grpcio-tools==1.36.1
 idna==2.10
+importlib-metadata==3.10.0
 lazy==1.4
+mccabe==0.6.1
 packaging==20.9
 pep517==0.9.1
 pkginfo==1.7.0
 pluggy==0.13.1
+protobuf==3.15.7
 py==1.10.0
+pycodestyle==2.7.0
+pyflakes==2.3.1
 pyparsing==2.4.7
 requests==2.25.1
 six==1.15.0
 toml==0.10.2
 tox==3.23.0
+typing-extensions==3.7.4.3
 urllib3==1.26.3
 virtualenv==20.4.2
+zipp==3.4.1