module: add Makefile for development commands

.travis.yml

@@ -13,5 +13,5 @@ install:
 - poetry install
 
 script:
-- poetry run pylint bme280
-- poetry run pytest
+- make lint
+- make test

Makefile

@@ -0,0 +1,24 @@
+
+# https://tech.davis-hansson.com/p/make/
+SHELL := bash
+.ONESHELL:
+.SHELLFLAGS := -eu -o pipefail -c
+.DELETE_ON_ERROR:
+.DEFAULT_GOAL := all
+MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules
+
+.PHONY: all
+all: lint test ## Run lint and test (default goal)
+
+.PHONY: lint
+lint: ## Lint all source code
+	poetry run pylint bme280
+
+.PHONY: test
+test: ## Run all tests
+	poetry run pytest
+
+.PHONY: help
+help: ## Print this help text
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-15s\033[0m %s\n", $$1, $$2}'

README.md

@@ -16,6 +16,10 @@ Consult the data sheet and see [demo.py](demo.py) for clues how to use this libr
 
 Not all functions of the chip are supported since I focused on the *forced mode* but data readout and parameter setting should work in *normal mode*, too. Please send pull requests for improvements and bug fixes!
 
+## Develop
+
+Run `make help` to find out about the available development commands.
+
 ## License
 
 Python files in this repository are released under the [MIT license](LICENSE) except those parts from other sources which are indicated where appropriate in the files.