# Makefile for Python project

.DELETE_ON_ERROR:
.PHONY: FORCE
.PRECIOUS :
.SUFFIXES:

SHELL:=/bin/bash -e -o pipefail
SELF:=$(firstword $(MAKEFILE_LIST))

PKG=eutils
PKGD=$(subst .,/,${PKG})


############################################################################
#= BASIC USAGE
default: help

#=> help -- display this help message
help:
	@sbin/makefile-extract-documentation "${SELF}"


############################################################################
#= SETUP, INSTALLATION, PACKAGING

#=> venv: make a Python 3 virtual environment
.PHONY: venv
venv:
	pyvenv venv; \
	source venv/bin/activate; \
	python -m ensurepip --upgrade; \
	pip install --upgrade pip setuptools

#=> setup: setup/upgrade packages *in current environment*
.PHONY: setup
setup: etc/develop.reqs etc/test.reqs etc/install.reqs
	if [ -s $(word 1,$^) ]; then pip install --upgrade -r $(word 1,$^); fi
	if [ -s $(word 2,$^) ]; then pip install --upgrade -r $(word 2,$^); fi
	if [ -s $(word 3,$^) ]; then pip install --upgrade -r $(word 3,$^); fi

#=> devready: create venv, install prerequisites, install pkg in develop mode
.PHONY: devready
devready:
	make venv && source venv/bin/activate && make setup develop
	@echo '#############################################################################'
	@echo '###  Do not forget to `source venv/bin/activate` to use this environment  ###'
	@echo '#############################################################################'


#=> develop: install package in develop mode
#=> install: install package
#=> bdist bdist_egg bdist_wheel build sdist: distribution options
.PHONY: bdist bdist_egg bdist_wheel build build_sphinx sdist install develop
bdist bdist_egg bdist_wheel build sdist install develop: %:
	python setup.py $@


## Legacy: Instead, pypi deployment should be by travis
# #=> upload: upload to pypi
# #=> upload_*: upload to named pypi service (requires config in ~/.pypirc)
# .PHONY: upload upload_%
# upload: upload_pypi
# upload_%:
# 	python setup.py bdist_egg bdist_wheel sdist upload -r $*


############################################################################
#= TESTING
# see test configuration in setup.cfg

#=> test: execute tests
.PHONY: test
test:
	python setup.py pytest --addopts="--cov=${PKG} ${PKGD} tests"

#=> tox: execute tests via tox
.PHONY: tox
tox:
	tox


############################################################################
#= UTILITY TARGETS

# N.B. Although code is stored in github, I use hg and hg-git on the command line
#=> reformat: reformat code with yapf and commit
.PHONY: reformat
reformat:
	@if hg sum | grep -qL '^commit:.*modified'; then echo "Repository not clean" 1>&2; exit 1; fi
	@if hg sum | grep -qL ' applied'; then echo "Repository has applied patches" 1>&2; exit 1; fi
	yapf -i -r "${PKGD}" tests
	hg commit -m "reformatted with yapf"

#=> docs -- make sphinx docs
.PHONY: docs
docs: develop
	# RTD makes json. Build here to ensure that it works.
	make -C doc html json

############################################################################
#= CLEANUP

#=> clean: remove temporary and backup files
.PHONY: clean
clean:
	find . \( -name \*~ -o -name \*.bak \) -print0 | xargs -0r rm

#=> cleaner: remove files and directories that are easily rebuilt
.PHONY: cleaner
cleaner: clean
	rm -fr .cache *.egg-info build dist doc/_build htmlcov
	find . \( -name \*.pyc -o -name \*.orig -o -name \*.rej \) -print0 | xargs -0r rm
	find . -name __pycache__ -print0 | xargs -0r rm -fr

#=> cleanest: remove files and directories that require more time/network fetches to rebuild
.PHONY: cleanest
cleanest: cleaner
	rm -fr .eggs .tox venv


## <LICENSE>
## Copyright 2016 Source Code Committers
## 
## 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.
## </LICENSE>
