local_renderer.py revision a93a17c8d99d686bd4a1511e5504e5e6cc9fcadf 
1# Copyright 2013 The Chromium Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5import os
6import sys
7
8from render_servlet import RenderServlet
9from server_instance import ServerInstance
10from servlet import Request
11
12class _LocalRenderServletDelegate(object):
13  def CreateServerInstanceForChannel(self, channel):
14    return ServerInstance.ForLocal()
15
16class LocalRenderer(object):
17  '''Renders pages fetched from the local file system.
18  '''
19  @staticmethod
20  def Render(path):
21    assert not '\\' in path
22    def render_path(path):
23      return RenderServlet(Request(path, 'http://localhost', {}),
24                           _LocalRenderServletDelegate(),
25                           default_channel='trunk').Get()
26    response = render_path(path)
27    while response.status in [301, 302]:
28      redirect = response.headers['Location']
29      sys.stderr.write('<!-- Redirected %s to %s -->\n' % (path, redirect))
30      response = render_path(redirect)
31    return response
32