#!/usr/bin/env python3
# -*- Coding: UTF-8 -*-

# ---------------------------------------------------------------------------
# Open Asset Import Library (ASSIMP)
# ---------------------------------------------------------------------------
#
# Copyright (c) 2006-2010, ASSIMP Development Team
#
# All rights reserved.
#
# Redistribution and use of this software in source and binary forms, 
# with or without modification, are permitted provided that the following 
# conditions are met:
# 
# * Redistributions of source code must retain the above
#   copyright notice, this list of conditions and the
#   following disclaimer.
# 
# * Redistributions in binary form must reproduce the above
#   copyright notice, this list of conditions and the
#   following disclaimer in the documentation and/or other
#   materials provided with the distribution.
# 
# * Neither the name of the ASSIMP team, nor the names of its
#   contributors may be used to endorse or promote products
#   derived from this software without specific prior
#   written permission of the ASSIMP Development Team.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# ---------------------------------------------------------------------------

"""Shared stuff for the gen_db and run scripts """

# -------------------------------------------------------------------------------
def hashing(file,pp):
    """ Map an input file and a postprocessing config to an unique hash.

    The hash is used to store the item in the database. The buildin
    hash() function is used. The hash is a string.

    """
    return hex(hash(file+":"+pp))


assimp_bin_path = None
# -------------------------------------------------------------------------------
def find_assimp_or_die():
    """Find assimp_cmd's binary for the current platform.
    
    The path to the binary is stored in assimp_bin_path, the process
    is aborted if it can't be found.

    """

    import os
    import platform
    import sys

    def locate_file(f_list):
        for f in f_list:
            try:
                fl = open(f,"rb")
            except IOError:
                continue
            fl.close()
            return f
        return None

    global assimp_bin_path
    if os.name == "nt":
        if platform.machine() == "x86":
            search = [os.path.join("..","..","bin","assimpcmd_release-dll_Win32","assimp.exe"),
                os.path.join("..","..","bin","x86","assimp")]
            
        else: # amd64, hopefully
            search = [os.path.join("..","..","bin","assimpcmd_release-dll_x64","assimp.exe"),
                os.path.join("..","..","bin","x64","assimp")]
        
    elif os.name == "posix":
        search = [os.path.join("..","..","bin","gcc","assimp"),
            os.path.join("/usr","local","bin")]
    else:
        print("Unsupported operating system")
        sys.exit(-5)

    assimp_bin_path = locate_file(search)
    if assimp_bin_path is None:
        print("Can't locate assimp_cmd binary")
        sys.exit(-5)

    print("Located assimp/assimp_cmd binary at ",assimp_bin_path)


if __name__ == '__main__':
    find_assimp_or_die()

 # vim: ai ts=4 sts=4 et sw=4