#!/usr/bin/python
#
# flufig
#
# flufig is a simple flumotion configuration generator using
# pyhton jinja2 template engine and simplejson. flufig generates
# planet.xml and worker.xml files from configuration templates and
# an easy representation of the flow structure written in json.
#
#
# Copyright (C) 2012 Christian Pointner <equinox@spreadspace.org>
#                    Michael Gebetsroither <michael@mgeb.org>
#
# This file is part of flufig.
#
# flufig 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
# any later version.
#
# flufig 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 flufig. If not, see <http://www.gnu.org/licenses/>.
#

import sys
import simplejson as json
from exceptions import *
from jinja2 import Environment, FileSystemLoader

if len(sys.argv) <= 2:
    raise SystemExit("No template and or data file given")

df = open(sys.argv[2], 'r')
data = json.load(df);
df.close();
env = Environment(loader=FileSystemLoader('../templates/%s/' % (sys.argv[1])))
template = env.get_template('planet.xml')
planet = template.render(globals=data['globals'], atmosphere=data['atmosphere'], flow=data['flow'])

sys.stdout.write(planet.encode("utf8"))