Devserver: only populate data during cron jobs, meaning all data from instances

chrome/common/extensions/docs/server2/local_renderer.py

+# Copyright 2013 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from handler import Handler
+from fake_fetchers import ConfigureFakeFetchers
+import os
+from StringIO import StringIO
+import urlparse
+
+class _Request(object):
+  def __init__(self, path, headers):
+    self.path = path
+    self.url = 'http://localhost/%s' % path
+    self.headers = headers
+
+class _Response(object):
+  def __init__(self):
+    self.status = 200
+    self.out = StringIO()
+    self.headers = {}
+
+  def set_status(self, status):
+    self.status = status
+
+class LocalRenderer(object):
+  '''Renders pages fetched from the local file system.
+  '''
+  def __init__(self, base_dir):
+    self._base_dir = base_dir.rstrip(os.path.sep)
+
+  def Render(self, path, headers={}, always_online=False):
+    '''Renders |path|, returning a tuple of (status, contents, headers).
+    '''
+    # TODO(kalman): do this via a LocalFileSystem not this fake AppEngine stuff.
+    ConfigureFakeFetchers(os.path.join(self._base_dir, 'docs'))
+    handler_was_always_online = Handler.ALWAYS_ONLINE
+    Handler.ALWAYS_ONLINE = always_online
+    try:
+      response = _Response()
+      Handler(_Request(urlparse.urlparse(path).path, headers), response).get()
+      content = response.out.getvalue()
+      if isinstance(content, unicode):
+        content = content.encode('utf-8', 'replace')
+      return (content, response.status, response.headers)
+    finally:
+      Handler.ALWAYS_ONLINE = handler_was_always_online