Add yapf for automatic code formatting

.travis.yml

@@ -8,7 +8,7 @@ cache:
   - npm
 install:
   - set -eo pipefail
-  - pip install flake8
+  - pip install yapf flake8
   - make pydist
   - make install-dist
   - pip install -r server/requirements-dev.txt

Makefile

@@ -62,6 +62,12 @@ fmt: fmt-client fmt-server
 fmt-%:
 	cd $(*) && $(MAKE) fmt
 
+.PHONY: lint
+lint: lint-server
+
+lint-%:
+	cd $(*) && $(MAKE) lint
+
 
 # CREATING DISTRIBUTION RELEASE
 

server/Makefile

@@ -2,6 +2,10 @@
 fmt:
 	yapf -ir .
 
+.PHONY: lint
+lint:
+	flake8
+
 .PHONY: clean
 clean:
 	rm -f app/web/templates/index.html

travis-build.sh

@@ -1,5 +1,5 @@
 set -eo pipefail
-flake8 server
+make lint
 npm run --prefix client/ build
 npm run --prefix client/ unit-test
 pytest -s server/test