remove conda. add requirements.txt. add tests

Makefile

@@ -1,15 +1,30 @@
-CONDA_ENV=ml_pipeline
+PYTHON=.venv/bin/python3
+.PHONY: help test
 
 all: run
 
-run:
-	python src/pipeline.py train
+init:
+	python3.9 -m virtualenv .venv
 
-data:
-	python src/data.py
+run: ## run the pipeline (train)
+	$(PYTHON) src/train.py \
+		debug=false
 
-batch:
-	python src/batch.py
+debug: ## run the pipeline (train) with debugging enabled
+	$(PYTHON) src/train.py \
+		debug=true
+
+data: ## download the mnist data
+	wget https://pjreddie.com/media/files/mnist_train.csv -O data/mnist_train.csv
+	wget https://pjreddie.com/media/files/mnist_test.csv -O data/mnist_test.csv
+test:
+	find . -iname "*.py" | entr -c pytest
+
+install:
+	$(PYTHON) -m pip install -r requirements.txt
+
+help: ## display this help message
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
 
 install:
 	conda env updates -n ${CONDA_ENV} --file environment.yml