# -*- coding: utf-8 -*-
#
# Copyright © 2012 Pierre Raybaut
# Licensed under the terms of the MIT License
# (see winpython/__init__.py for details)

"""
WinPython utilities configuration

Created on Wed Aug 29 12:23:19 2012
"""

import sys
import os.path as osp


def get_module_path(modname):
    """Return module *modname* base path"""
    return osp.abspath(
        osp.dirname(sys.modules[modname].__file__)
    )


def get_module_data_path(
    modname, relpath=None, attr_name='DATAPATH'
):
    """Return module *modname* data path
    Note: relpath is ignored if module has an attribute named *attr_name*

    Handles py2exe/cx_Freeze distributions"""
    datapath = getattr(sys.modules[modname], attr_name, '')
    if datapath:
        return datapath
    else:
        datapath = get_module_path(modname)
        parentdir = osp.join(datapath, osp.pardir)
        if osp.isfile(parentdir):
            # Parent directory is not a directory but the 'library.zip' file:
            # this is either a py2exe or a cx_Freeze distribution
            datapath = osp.abspath(
                osp.join(
                    osp.join(parentdir, osp.pardir), modname
                )
            )
        if relpath is not None:
            datapath = osp.abspath(
                osp.join(datapath, relpath)
            )
        return datapath


DATA_PATH = get_module_data_path(
    'winpython', relpath='data'
)
IMAGE_PATH = get_module_data_path(
    'winpython', relpath='images'
)