# -*- coding: utf-8; mode: makefile-gmake -*-
# list of python packages (folders) or modules (files) of this build
PYOBJECTS ?=
SITE_PYTHON ?=$(dir $(abspath $(lastword $(MAKEFILE_LIST))))site-python
export PYTHONPATH := $(SITE_PYTHON):$$PYTHONPATH
export PY_ENV PYDIST PYBUILD
# folder where the python distribution takes place
PYDIST = ./$(LXC_ENV_FOLDER)dist
# folder where the python intermediate build files take place
PYBUILD = ./$(LXC_ENV_FOLDER)build
# python version to use
PY ?=3
# $(PYTHON) points to the python interpreter from the OS! The python from the
# OS is needed e.g. to create a virtualenv. For tasks inside the virtualenv the
# interpeter from '$(PY_ENV_BIN)/python' is used.
PYTHON ?= python$(PY)
PIP ?= pip$(PY)
PIP_INST ?= --user
# https://www.python.org/dev/peps/pep-0508/#extras
#PY_SETUP_EXTRAS ?= \[develop,test\]
PY_SETUP_EXTRAS ?=
PYDEBUG ?= --pdb
PYLINT_RC ?= .pylintrc
TEST_FOLDER ?= ./tests
TEST ?= .
PY_ENV = ./$(LXC_ENV_FOLDER)local/py$(PY)
PY_ENV_BIN = $(PY_ENV)/bin
PY_ENV_ACT = . $(PY_ENV_BIN)/activate
ifeq ($(OS),Windows_NT)
PYTHON = python
PY_ENV_BIN = $(PY_ENV)/Scripts
PY_ENV_ACT = $(PY_ENV_BIN)/activate
endif
VTENV_OPTS ?=
python-help::
@echo 'makefile.python:'
@echo ' pyenv | pyenv[un]install'
@echo ' build $(PY_ENV) & [un]install python objects'
@echo ' targts using pyenv $(PY_ENV):'
@echo ' pylint - run pylint *linting*'
@echo ' pytest - run *tox* test on python objects'
@echo ' pydebug - run tests within a PDB debug session'
@echo ' pybuild - build python packages ($(PYDIST) $(PYBUILD))'
@echo ' pyclean - clean intermediate python objects'
@echo ' targets using system users environment:'
@echo ' py[un]install - [un]install python objects in editable mode'
@echo ' upload-pypi - upload $(PYDIST)/* files to PyPi'
@echo 'options:'
@echo ' make PY=3.7 [targets] => to eval targets with python 3.7 ($(PY))'
@echo ' make PIP_INST= => to set/unset pip install options ($(PIP_INST))'
@echo ' make TEST=. => choose test from $(TEST_FOLDER) (default "." runs all)'
@echo ' make DEBUG= => target "debug": do not invoke PDB on errors'
@echo ' make PY_SETUP_EXTRAS => also install extras_require from setup.py \[develop,test\]'
@echo ' when using target "pydebug", set breakpoints within py-source by adding::'
@echo ' DEBUG()'
# ------------------------------------------------------------------------------
# OS requirements
# ------------------------------------------------------------------------------
PHONY += msg-python-exe python-exe
msg-python-exe:
@echo "\n $(PYTHON) is required\n\n\
Make sure you have $(PYTHON) installed, grab it from\n\
https://www.python.org or install it from your package\n\
manager. On debian based OS these requirements are\n\
installed by::\n\n\
sudo -H add-apt-repository ppa:deadsnakes/ppa\n\
sudo -H apt update\n\
sudo -H apt-get install $(PYTHON) $(PYTHON)-venv\n"
ifeq ($(shell which $(PYTHON) >/dev/null 2>&1; echo $$?), 1)
python-exe: msg-python-exe
$(error The '$(PYTHON)' command was not found)
else
python-exe:
@:
endif
# ------------------------------------------------------------------------------
# commands
# ------------------------------------------------------------------------------
# $2 path to folder with setup.py, this uses pip from the OS
quiet_cmd_pyinstall = INSTALL $2
cmd_pyinstall = $(PIP) $(PIP_VERBOSE) install $(PIP_INST) -e $2$(PY_SETUP_EXTRAS)
# $2 path to folder with setup.py, this uses pip from pyenv (not OS!)
quiet_cmd_pyenvinstall = PYENV install $2
cmd_pyenvinstall = \
if ! cat $(PY_ENV)/requirements.sha256 2>/dev/null | sha256sum --check --status 2>/dev/null; then \
$(PY_ENV_BIN)/python -m pip $(PIP_VERBOSE) install -e $2$(PY_SETUP_EXTRAS) ;\
sha256sum requirements*.txt > $(PY_ENV)/requirements.sha256 ;\
else \
echo "PYENV $2 already installed"; \
fi
# Uninstall the package. Since pip does not uninstall the no longer needed
# depencies (something like autoremove) the depencies remain.
# $2 package name to uninstall, this uses pip from the OS.
quiet_cmd_pyuninstall = UNINSTALL $2
cmd_pyuninstall = $(PIP) $(PIP_VERBOSE) uninstall --yes $2
# $2 path to folder with setup.py, this uses pip from pyenv (not OS!)
quiet_cmd_pyenvuninstall = PYENV uninstall $2
cmd_pyenvuninstall = $(PY_ENV_BIN)/python -m pip $(PIP_VERBOSE) uninstall --yes $2
# $2 path to folder where virtualenv take place
quiet_cmd_virtualenv = PYENV usage: $ source ./$@/bin/activate
cmd_virtualenv = \
if [ ! -d "./$(PY_ENV)" ];then \
$(PYTHON) -m venv $(VTENV_OPTS) $2; \
$(PY_ENV_BIN)/python -m pip install $(PIP_VERBOSE) -U pip wheel setuptools; \
$(PY_ENV_BIN)/python -m pip install $(PIP_VERBOSE) -r requirements.txt; \
else \
echo "PYENV using virtualenv from $2"; \
fi
# $2 path to lint
quiet_cmd_pylint = LINT $@
cmd_pylint = $(PY_ENV_BIN)/python -m pylint -j 0 --rcfile $(PYLINT_RC) $2
quiet_cmd_pytest = TEST $@
cmd_pytest = $(PY_ENV_BIN)/python -m tox -vv
# setuptools, pip, easy_install its a mess full of cracks, a documentation hell
# and broken by design ... all sucks, I really, really hate all this ... aaargh!
#
# About python packaging see `Python Packaging Authority`_. Most of the names
# here are mapped to ``setup(<name1>=..., <name2>=...)`` arguments in
# ``setup.py``. See `Packaging and distributing projects`_ about ``setup(...)``
# arguments. If this is all new for you, start with `PyPI Quick and Dirty`_.
#
# Further read:
#
# - pythonwheels_
# - setuptools_
# - packaging_
# - sdist_
# - installing_
#
# .. _`Python Packaging Authority`: https://www.pypa.io
# .. _`Packaging and distributing projects`: https://packaging.python.org/guides/distributing-packages-using-setuptools/
# .. _`PyPI Quick and Dirty`: https://hynek.me/articles/sharing-your-labor-of-love-pypi-quick-and-dirty/
# .. _pythonwheels: https://pythonwheels.com/
# .. _setuptools: https://setuptools.readthedocs.io/en/latest/setuptools.html
# .. _packaging: https://packaging.python.org/guides/distributing-packages-using-setuptools/#packaging-and-distributing-projects
# .. _sdist: https://packaging.python.org/guides/distributing-packages-using-setuptools/#source-distributions
# .. _bdist_wheel: https://packaging.python.org/guides/distributing-packages-using-setuptools/#pure-python-wheels
# .. _installing: https://packaging.python.org/tutorials/installing-packages/
#
quiet_cmd_pybuild = BUILD $@
cmd_pybuild = $(PY_ENV_BIN)/python setup.py \
sdist -d $(PYDIST) \
bdist_wheel --bdist-dir $(PYBUILD) -d $(PYDIST)
quiet_cmd_pyclean = CLEAN $@
# remove 'build' folder since bdist_wheel does not care the --bdist-dir
cmd_pyclean = \
rm -rf $(PYDIST) $(PYBUILD) $(PY_ENV) ./.tox *.egg-info ;\
find . -name '*.pyc' -exec rm -f {} + ;\
find . -name '*.pyo' -exec rm -f {} + ;\
find . -name __pycache__ -exec rm -rf {} +
# ------------------------------------------------------------------------------
# targets
# ------------------------------------------------------------------------------
# for installation use the pip from the OS!
PHONY += pyinstall
pyinstall: pip-exe
$(call cmd,pyinstall,.)
PHONY += pyuninstall
pyuninstall: pip-exe
$(call cmd,pyuninstall,$(PYOBJECTS))
# for installation use the pip from PY_ENV (not the OS)!
PHONY += pyenvinstall
pyenvinstall: $(PY_ENV)
$(call cmd,pyenvinstall,.)
PHONY += pyenvuninstall
pyenvuninstall: $(PY_ENV)
$(call cmd,pyenvuninstall,$(PYOBJECTS))
PHONY += pyclean
pyclean:
$(call cmd,pyclean)
# to build *local* environment, python from the OS is needed!
pyenv: $(PY_ENV)
$(PY_ENV): python-exe
$(call cmd,virtualenv,$(PY_ENV))
PHONY += pylint-exe
pylint-exe: $(PY_ENV)
@$(PY_ENV_BIN)/python -m pip $(PIP_VERBOSE) install pylint
PHONY += pylint
pylint: pylint-exe
$(call cmd,pylint,$(PYOBJECTS))
PHONY += pybuild
pybuild: $(PY_ENV)
$(call cmd,pybuild)
PHONY += pytest
pytest: $(PY_ENV)
$(call cmd,pytest)
PHONY += pydebug
# set breakpoint with:
# DEBUG()
# e.g. to run tests in debug mode in emacs use:
# 'M-x pdb' ... 'make pydebug'
pydebug: $(PY_ENV)
DEBUG=$(DEBUG) $(PY_ENV_BIN)/pytest $(DEBUG) -v $(TEST_FOLDER)/$(TEST)
# runs python interpreter from ./local/py<N>/bin/python
pyenv-python: pyenvinstall
$(PY_ENV_BIN)/python -i
# With 'dependency_links=' setuptools supports dependencies on packages hosted
# on other reposetories then PyPi, see "Packages Not On PyPI" [1]. The big
# drawback is, due to security reasons (I don't know where the security gate on
# PyPi is), this feature is not supported by pip [2]. Thats why an upload to
# PyPi is required and since uploads via setuptools is not recommended, we have
# to imstall / use twine ... its really a mess.
#
# [1] https://python-packaging.readthedocs.io/en/latest/dependencies.html#packages-not-on-pypi
# [2] https://github.com/pypa/pip/pull/1519
# https://github.com/pypa/twine
PHONY += upload-pypi upload-pypi-test
upload-pypi: pyclean pyenvinstall pybuild
@$(PY_ENV_BIN)/twine upload $(PYDIST)/*
upload-pypi-test: pyclean pyenvinstall pybuild
@$(PY_ENV_BIN)/twine upload -r testpypi $(PYDIST)/*
.PHONY: $(PHONY)
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