wxcpppyconfig.py

# Copyright 20018-2019 wxCppPy. All Rights Reserved.
# Licensed to MIT see LICENSE.txt

import os
import sys
import argparse
# https://docs.python.org/3/library/configparser.html
import configparser
import sysconfig


class WXCppPyConfig:
    """
    Définition des chemins pour compiler wxCppPy.

    pyenv_path (str): Le chemin du répertoire de l'environement python.
    pyenv_sp_path (str): Le chemin du répertoire «site-packages» dans l'environement python.
    pyenv_include_path (str): Le chemin du répertoire «include/pythonx.yz» dans l'environement python.
    pyenv_version (str): La version de python ex : 35m
    pybind11_path (str): Le chemin du répertoire de pybind11.
    wxpython_path (str): Le chemin du répertoire de wxpython.
    cppclay_path (str): Le chemin du répertoire de cppclay..
    cppclaydll_path (str): Le chemin du répertoire des «.dll»/«.so» de cppclay.
    """

    ms_Filename = 'config.cfg'

    def __init__(self):
        wxcpppy_config = configparser.ConfigParser()
        wxcpppy_config.read(WXCppPyConfig.ms_Filename)

        py_version_short = sysconfig.get_config_var('py_version_short')

        self.pyenv_path = sysconfig.get_config_var('installed_base')
        self.pyenv_sp_path = self.pyenv_path + '/lib64/python' + py_version_short + '/site-packages'
        self.pyenv_include_path = self.pyenv_path + '/include/python' + py_version_short + sys.abiflags
        self.pyenv_ext_suffix = WXCppPyConfig.get_extersion_suffix()
        self.pybind11_path = wxcpppy_config['pybind11']['path']
        self.wxpython_path = wxcpppy_config['wxpython']['path']
        self.cppclay_path = wxcpppy_config['cppclay']['path']
        self.cppclaydll_path = wxcpppy_config['cppclay']['dll_path']

    @staticmethod
    def get_extersion_suffix():
        # https://stackoverflow.com/questions/42020937/why-pyvenv-does-not-install-python-config
        ext_suffix = sysconfig.get_config_var('EXT_SUFFIX')
        if ext_suffix is None:
            ext_suffix = sysconfig.get_config_var('SO')

        return ext_suffix


# https://stackoverflow.com/questions/11415570/directory-path-types-with-argparse
class ReadableDir(argparse.Action):
    def __call__(self, parser, namespace, values, option_string=None):
        prospective_dir = values
        if not os.path.isdir(prospective_dir):
            raise argparse.ArgumentTypeError("readable_dir:{0} is not a valid path".format(prospective_dir))
        if os.access(prospective_dir, os.R_OK):
            setattr(namespace, self.dest, prospective_dir)
        else:
            raise argparse.ArgumentTypeError("readable_dir:{0} is not a readable dir".format(prospective_dir))


def main():
    parser = argparse.ArgumentParser(description='Définition des chemins pour compiler wxCppPy.')

    parser.add_argument('--pybind11_path', action=ReadableDir, required=True,
                        help="Le chemin du répertoire de pybind11.")

    parser.add_argument('--wxpython_path', action=ReadableDir, required=True,
                        help="Le chemin du répertoire de wxpython.")

    parser.add_argument('--cppclay_path', action=ReadableDir, required=True,
                        help="Le chemin du répertoire de cppclay.")

    parser.add_argument('--cppclaydll_path', action=ReadableDir, required=True,
                        help="Le chemin du répertoire des «.dll»/«.so» de cppclay.")

    args = parser.parse_args()

    wxcpppy_config = configparser.ConfigParser()

    wxcpppy_config['pybind11'] = {'path': args.pybind11_path}

    wxcpppy_config['wxpython'] = {'path': args.wxpython_path}

    wxcpppy_config['cppclay'] = {'path': args.cppclay_path,
                                 'dll_path': args.cppclaydll_path}

    with open(WXCppPyConfig.ms_Filename, 'w') as configfile:
        wxcpppy_config.write(configfile)


if __name__ == "__main__":
    main()

    config = WXCppPyConfig()

    print('============================================================================')
    print('wxCppPy Config:')
    print('pyenv_path         : ' + config.pyenv_path)
    print('pyenv_sp_path      : ' + config.pyenv_sp_path)
    print('pyenv_include_path : ' + config.pyenv_include_path)
    print('pyenv_ext_suffix   : ' + config.pyenv_ext_suffix)
    print('pybind11_path      : ' + config.pybind11_path)
    print('wxpython_path      : ' + config.wxpython_path)
    print('cppclay_path       : ' + config.cppclay_path)
    print('cppclaydll_path    : ' + config.cppclaydll_path)
    print('============================================================================')