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# -*- makefile -*-
## -----------------------------------------------------------------------
# Copyright 2017-2023 Open Networking Foundation (ONF) and the ONF Contributors
#
# 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.
# -----------------------------------------------------------------------
# Intent:
# This makefile defines dependencies that will install a python virtualenv
# beneath $(sandbox)/.venv/. The $(activate) macro is used to source
# .venv/bin/activate allowing command python and pip to be used.
# -----------------------------------------------------------------------
# Usage:
# include makefiles/virtualenv/include.mk
#
# Makefile Target Dependencies:
# tgt : $(venv-activate-patched) # python 3.10+ local use
# tgt : $(venv-activate-script) # python < v3.8
#
# Make definitions (convenience macros used for command access)
# PIP := $(activate) && pip # invoke pip from virtualenv
# PYTHON := $(activate) && python # invoke python from virtualenv
#
# Target declaration and command invocation:
# my-target : $(venv-activate-script) # dependency installs virtualenv
# <tab>$(PYTHON) --version # invoke python with arguments
# <tab>$(PYTHON) my-command.py
# <tab>$(activate) && pip install foobar
#
# % make my-target # Invoke make target from shell
# -----------------------------------------------------------------------
$(if $(DEBUG),$(warning ENTER))
##-------------------##
##---] GLOBALS [---##
##-------------------##
.PHONY: venv venv-patched
##------------------##
##---] LOCALS [---##
##------------------##
venv-name ?= .venv# # default install directory
venv-abs-path := $(sandbox-root)/$(venv-name)# # Install directory
venv-activate-bin := $(venv-name)/bin# # no whitespace
venv-activate-script := $(venv-activate-bin)/activate# # dependency
##--------------------##
##---] INCLUDES [---##
##--------------------##
include $(ONF_MAKEDIR)/virtualenv/requirements-txt.mk
include $(ONF_MAKEDIR)/virtualenv/version.mk
# ------------------------------------------------------------------------
# Intent: Define macro activate= to access virtualenv activation script.
## -----------------------------------------------------------------------
# Usage:
# - $(activate) && python # Syntax inlined within a target
# - PYTHON := $(activate) && python # Define a named command macro
# ------------------------------------------------------------------------
activate ?= set +u && source $(venv-activate-script) && set -u
## -----------------------------------------------------------------------
## Intent: Explicit named installer target w/o dependencies.
## Makefile targets should depend on venv-activate-script.
## -----------------------------------------------------------------------
venv := $(null)
venv += $(venv-activate-script)# # virtualenv -p python3
venv += $(venv-requirements-txt)# # pip install -r requirements.txt
venv: $(venv)
venv-patched : $(venv-activate-patched)
## -----------------------------------------------------------------------
## Intent: Activate script path dependency
## Usage:
## o place on the right side of colon as a target dependency
## o When the script does not exist install the virtual env and display.
## -----------------------------------------------------------------------
$(venv-activate-script):
$(call banner-enter,(virtualenv -p python))
virtualenv -p python3 $(venv-name)
$(activate) && python -m pip install --upgrade pip
$(activate) && pip install --upgrade setuptools
$(HIDE)$(MAKE) --no-print-directory venv-requirements venv-version
$(call banner-leave,(virtualenv -t python))
## -----------------------------------------------------------------------
## Intent: Explicit named installer target w/o dependencies.
## Makefile targets should depend on venv-activate-script.
## -----------------------------------------------------------------------
venv-activate-patched := $(venv-activate-script).patched
venv-activate-patched : $(venv-activate-patched)
$(venv-activate-patched) : $(venv-activate-script)
$(call banner-enter,Target $@)
$(ONF_MAKEDIR)/virtualenv/python_310_migration.sh
touch $@
$(call banner-leave,Target $@)
## -----------------------------------------------------------------------
## Intent: Explicit named installer target w/o dependencies.
## Makefile targets should depend on venv-activate-script.
## -----------------------------------------------------------------------
# venv : $(venv-activate-script)
## -----------------------------------------------------------------------
## Intent: Revert installation to a clean checkout
## -----------------------------------------------------------------------
sterile :: clean
$(RM) -r "$(venv-abs-path)"
## -----------------------------------------------------------------------
## -----------------------------------------------------------------------
help ::
@printf ' %-33.33s %s\n' 'venv' \
'Create a python virtual environment'
@printf ' %-33.33s %s\n' 'venv-help' \
'Extended target help'
## -----------------------------------------------------------------------
## -----------------------------------------------------------------------
venv-help ::
@printf ' %-33.33s %s\n' 'venv-patched' \
'venv patched for v3.10.6+ use'
@printf ' %-33.33s %s\n' 'venv' \
'Create a python virtual environment'
@printf ' %-33.33s %s\n' ' venv-name' \
'virtualenv installation directory name'
## -----------------------------------------------------------------------
## -----------------------------------------------------------------------
todo ::
@echo "Rename include.mk into virtualenv.mk"
@echo "Create include.mk as a simple primary include file for the directory"
@echo
@echo "Extract venv patch logic into a separate makefile'
$(if $(DEBUG),$(warning LEAVE))
# [EOF]