Build and test the Python SDK without having to install Python

Dockerfile

@@ -0,0 +1,32 @@
+FROM python:3.8.6 AS base
+
+
+FROM base AS lint
+
+RUN pip install black
+
+WORKDIR /data
+ENTRYPOINT ["black"]
+
+
+FROM base AS dependencies
+
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+
+
+FROM dependencies AS build
+
+COPY . .
+
+ENTRYPOINT [ "python", "setup.py", "install" ]
+
+
+FROM dependencies as test
+
+COPY test-requirements.txt . 
+RUN pip install -r test-requirements.txt
+
+COPY . .
+
+ENTRYPOINT ["python", "-m", "unittest", "discover", "test/"]

Makefile

@@ -1,18 +1,19 @@
 SHELL = /bin/bash
 
-build: install lint
+build: lint install
 
 install:
-	pip install -r requirements.txt && \
-	python setup.py install
+	docker build --target build . -t patch-python-build && \
+	docker run --rm -v $(PWD)/build:/build patch-python-build
 
 lint:
-	pip install black && \
-	black .
+	docker build --target lint . -t patch-python-lint && \
+	docker run --rm -v $(PWD):/data patch-python-lint .
 
 test:
-	pip install -r test-requirements.txt && \
-	pip install -r requirements.txt && \
-	python -m unittest discover test/
+	docker build --target test . -t patch-python-test && \
+	docker run --rm \
+		-e SANDBOX_API_KEY=${SANDBOX_API_KEY} \
+		patch-python-test
 
 .PHONY: build lint test