poetry & black (#121)

* use poetry instead of Pipenv

* format code with black

* install poetry on Travis

* add flake8 config to ignore conflicts with black

.flake8

@@ -0,0 +1,2 @@
+[flake8]
+ignore=E203,E722,W503

.travis.yml

@@ -6,8 +6,8 @@ python:
 services:
   - docker
 install:
-  - pip install pipenv
-  - pipenv install --dev
+  - pip3 install poetry
+  - make install
 script:
   - make test docker
 after_success:

Dockerfile

@@ -1,19 +1,20 @@
-FROM python:3.7-alpine3.10
+FROM python:3.8-slim
 
 WORKDIR /
 
-COPY Pipfile.lock /
-COPY pipenv-install.py /
+RUN pip3 install poetry
 
-RUN /pipenv-install.py && \
-    rm -fr /usr/local/lib/python3.7/site-packages/pip && \
-    rm -fr /usr/local/lib/python3.7/site-packages/setuptools
+COPY poetry.lock /
+COPY pyproject.toml /
 
-FROM python:3.7-alpine3.10
+RUN poetry config virtualenvs.create false && \
+    poetry install --no-interaction --no-dev --no-ansi
+
+FROM python:3.8-slim
 
 WORKDIR /
 
-COPY --from=0 /usr/local/lib/python3.7/site-packages /usr/local/lib/python3.7/site-packages
+COPY --from=0 /usr/local/lib/python3.8/site-packages /usr/local/lib/python3.8/site-packages
 
 COPY kube_resource_report /kube_resource_report
 

Makefile

@@ -6,11 +6,20 @@ TAG              ?= $(VERSION)
 
 default: docker
 
-test:
-	pipenv run flake8
-	pipenv run mypy --ignore-missing-imports kube_resource_report/
-	pipenv run coverage run --source=kube_resource_report -m py.test
-	pipenv run coverage report
+.PHONY:
+install:
+	poetry install
+
+.PHONY:
+lint: install
+	poetry run black --check kube_resource_report tests
+	poetry run flake8
+	poetry run mypy --ignore-missing-imports kube_resource_report/
+
+.PHONY:
+test: install lint
+	poetry run coverage run --source=kube_resource_report -m py.test
+	poetry run coverage report
 
 docker: 
 	docker build --build-arg "VERSION=$(VERSION)" -t "$(IMAGE):$(TAG)" .
@@ -23,6 +32,7 @@ push: docker
 
 .PHONY: version
 version:
+	poetry version $(VERSION)
 	sed -i 's,$(IMAGE):[0-9.]*,$(IMAGE):$(TAG),g' README.rst deploy/*.yaml
 	sed -i 's,version: v[0-9.]*,version: v$(VERSION),g' deploy/*.yaml
 	sed -i 's,tag: "[0-9.]*",tag: "$(VERSION)",g' chart/*/values.yaml