#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2006  Donald N. Allingham
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License,  or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# $Id$

# Written by Alex Roitman, largely based on ReadNative.py by Don Allingham 

"Import from Gramps package"

#-------------------------------------------------------------------------
#
# Python modules
#
#-------------------------------------------------------------------------
import os
import tarfile
from gettext import gettext as _

#------------------------------------------------------------------------
#
# Set up logging
#
#------------------------------------------------------------------------
import logging
log = logging.getLogger(".ReadPkg")

#-------------------------------------------------------------------------
#
# GNOME/GTK+ modules
#
#-------------------------------------------------------------------------
import gtk

#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
import const
from GrampsDbUtils import gramps_db_reader_factory
from QuestionDialog import ErrorDialog
from PluginUtils import register_import

#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def impData(database, name, cb=None, cl=0):
    # Create tempdir, if it does not exist, then check for writability
    #     THE TEMP DIR is named as the filname.gpkg.media and is created
    #     in the same dir as the database that we are importing into.
    db_path = os.path.dirname(database.get_save_path())
    media_dir = "%s.media" % os.path.basename(name)
    tmpdir_path = os.path.join(db_path, media_dir)
    if not os.path.isdir(tmpdir_path):
        try:
            os.mkdir(tmpdir_path, 0700)
        except:
            ErrorDialog( _("Could not create temporary directory %s") % 
                         tmpdir_path )
            return
    elif not os.access(tmpdir_path, os.W_OK):
        ErrorDialog(_("Temporary directory %s is not writable") % tmpdir_path)
        return
    else:    # tempdir exists and writable -- clean it up if not empty
        files = os.listdir(tmpdir_path) ;
        for filename in files:
            os.remove(os.path.join(tmpdir_path, filename))

    try:
        archive = tarfile.open(name)
        for tarinfo in archive:
            archive.extract(tarinfo, tmpdir_path)
        archive.close()
    except:
        ErrorDialog(_("Error extracting into %s") % tmpdir_path)
        return

    imp_db_name = os.path.join(tmpdir_path, const.XMLFILE)  

    importer = gramps_db_reader_factory(const.APP_GRAMPS_XML)
    importer(database, imp_db_name, cb)

    # Clean up tempdir after ourselves
    #     THIS HAS BEEN CHANGED, because now we want to keep images
    #     stay after the import is over. Just delete the XML file.
    os.remove(imp_db_name)

##     files = os.listdir(tmpdir_path) 
##     for filename in files:
##         os.remove(os.path.join(tmpdir_path, filename))
##     os.rmdir(tmpdir_path)

#------------------------------------------------------------------------
#
# Register with the plugin system
#
#------------------------------------------------------------------------
_mime_type = 'application/x-gramps-package'
_filter = gtk.FileFilter()
_filter.set_name(_('GRAMPS packages'))
_filter.add_mime_type(_mime_type)
_format_name = _('GRAMPS package')

register_import(impData, _filter, _mime_type, 0, _format_name)