create sdk/python makefile (#98)

* create makefile

* address coment

* fix typo

* address comments

* remove prereq

* change makefile

* add abspath

* address comments

* address comments

Makefile

@@ -0,0 +1,40 @@
+# Copyright 2020 kubeflow.org
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# Configuration variables
+#
+VENV ?= .venv
+export VIRTUAL_ENV := $(abspath ${VENV})
+export PATH := ${VIRTUAL_ENV}/bin:${PATH}
+
+# Use the command from https://stackoverflow.com/a/35730328/5601796
+.PHONY: help 
+help: ## Display the Make targets
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-15s\033[0m %s\n", $$1, $$2}'
+
+.PHONY: venv
+venv: $(VENV)/bin/activate ## Create and activate virtual environment
+$(VENV)/bin/activate: sdk/python/setup.py
+	@test -d $(VENV) || python3 -m venv $(VENV)
+	pip install -e sdk/python
+	@touch $(VENV)/bin/activate
+
+.PHONY: test
+test: venv ## Run kfp/tekton unit test
+	@sdk/python/tests/run_tests.sh
+
+.PHONY: report
+report: ## Report kfp sample stats
+	@cd sdk/python/tests && ./test_kfp_samples.sh