#!/usr/bin/python

from __future__ import with_statement

import os
import web
import mako
from mako.lookup import TemplateLookup

from functools import partial

import helper

APPDIR = os.path.dirname(os.path.abspath(__file__))

def appdir (*args):
    return os.path.join(APPDIR, *args)

class Renderer:
    def __init__ (self):
        self.lookup = TemplateLookup(directories=[appdir('templates')],
        module_directory = "/tmp/portato/",
        input_encoding='utf-8',
        output_encoding='utf-8',
        format_exceptions = True)

    def render (self, tpl, **kwargs):
        try:
            t = self.get_tpl(tpl)
        except mako.exceptions.TopLevelLookupException, e:
            raise web.notfound(e)
       
        return t.render(h = helper, url = helper.url, w = web, **kwargs)

    __call__ = render

    def get_tpl (self, tpl):
        return self.lookup.get_template(self.get_tpl_name(tpl))
    
    def get_tpl_name (self, tpl):
        if not tpl.endswith(".mako"):
            tpl = tpl+".mako"

        return os.path.join("pages", tpl)

urls = ("/(.*)", "Handler")
app = web.application(urls, globals())

render = Renderer()

class Handler:
    def GET(self, name = '/'):
        if not name or name == '/': name = 'index'
        return render(name)

if __name__ == "__main__":
    app.run()