# -*- coding: UTF-8 -*-
#
# Copyright (C) 2010 by Intevation GmbH
# Authors:
# Sascha L. Teichmann <sascha.teichmann@intevation.de>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with the software for details.

from mod_python import psp

import os

from lxml import etree

TREEPKG_DIR = os.path.join(os.path.dirname(__file__), "treepkgs")

def index(req):
    req.content_type = 'text/html;charset=utf-8'
    template = psp.PSP(req, filename='templates/overview.html')

    descriptions = []

    for f in os.listdir(TREEPKG_DIR):
        d = os.path.join(TREEPKG_DIR, f)
        if not os.path.isdir(d): continue
        treepkg_xml = os.path.join(d, "treepkg.xml")
        if not os.path.isfile(treepkg_xml): continue
        xml = None
        try:
            xml = open(treepkg_xml, "rb")
            dom = etree.parse(xml)
        finally:
            if xml: xml.close()

        description = ''.join(dom.xpath("//description/text()"))

        descriptions.append((os.path.basename(d), description))

    template.run({
      'page_title'  : 'Free Software forestry',
      'back_link'   : '/',
      'descriptions': descriptions
    })