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