env ?=upy
PYTHON_VENV := $(env)

version ?=2.7.10
PYTHON_VERSION := $(version)
PYTHON_DIR := Python-$(PYTHON_VERSION)


all: task-install-venv-wrapper
	@ echo 'All done ...'

clean:
	@ rm -rf $(PYTHON_DIR) task-*

task-init-os:
	@ yum -y groupinstall "Development Tools"
	@ yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel
	@ touch task-init-os

task-uncompression－python: task-init-os
	@ echo 'uncompress python source code ...'
	@ tar xJf Python-$(PYTHON_VERSION).tar.xz
	@ touch task-uncompression－python

task-build-python: task-uncompression－python
	@ echo "build Python-$(PYTHON_VERSION) from source code ..."
	- @ mkdir /opt/python$(PYTHON_VERSION)
	@ cd Python-$(PYTHON_VERSION) && ./configure --prefix=/opt/python$(PYTHON_VERSION) --enable-unicode=ucs4 && make && make install
	@ touch task-build-python

task-install-pip: task-build-python
	@ tar -xf setuptools-23.0.0.tar.gz
	@ cd setuptools-23.0.0 && /opt/python$(PYTHON_VERSION)/bin/python setup.py install
	@ tar -xf pip-8.1.2.tar.gz
	@ echo "installing pip ..."
	@ cd pip-8.1.2 && /opt/python$(PYTHON_VERSION)/bin/python setup.py install
	@ echo "undating pip by self ..."
	- @ mkdir ~/.pip
	@ cp pip.conf ~/.pip/
	@ /opt/python$(PYTHON_VERSION)/bin/pip install -U pip
	@ touch task-install-pip

task-install-venv-wrapper: task-install-pip
	@ /opt/python$(PYTHON_VERSION)/bin/pip install pbr
	@ /opt/python$(PYTHON_VERSION)/bin/pip install virtualenvwrapper
	@ touch task-install-venv-wrapper
	@ echo "install virtual env wrapper done ."

run: clean

.DEFAULT: all
.PHONY: all clean run