#!python
# coding: utf-8
"""Generate content according to INI and template."""

import sys
import os
import codecs
from argparse import ArgumentParser
from ConfigParser import ConfigParser
from collections import OrderedDict
from mako.template import Template


class Ini2Tmpl(object):
    """Generate context according to given INI file and template file."""
    def __init__(self, ini=None, tmpl=None):
        """Parser test."""
        self.ini = ini
        self.tmpl = tmpl

    def make(self, out=sys.stdout):
        """Make content from INI and template."""
        ctx = ConfigParser(dict_type=OrderedDict)
        ctx.readfp(codecs.open(self.ini, 'r', 'utf8'))
        env = os.environ
        env['ini'] = self.ini
        env['tmpl'] = self.tmpl
        env['out'] = out
        if isinstance(out, (str, unicode)):
            with open(out, 'w') as fd:
                fd.write(Template(filename=self.tmpl).render_unicode(ctx=ctx, env=env))
        else:
            out.write(Template(filename=self.tmpl).render_unicode(ctx=ctx, env=env))


def main():
    """Main entry."""
    parser = ArgumentParser(description='Generate content according to INI and template.')
    parser.add_argument('-i', '--ini', dest='ini', help='INI file.')
    parser.add_argument('-t', '--tmpl', dest='tmpl', help='Template file.')
    parser.add_argument('-o', '--out', dest='out', help='Output file.')
    args = parser.parse_args()

    Ini2Tmpl(ini=args.ini, tmpl=args.tmpl).make(out=args.out)

if __name__ == '__main__':
    sys.exit(main())