Install google appengine.

testing_support/local_rietveld.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Setups a local Rietveld instance to test against a live server for
 integration tests.
 
 It makes sure Google AppEngine SDK is found, download Rietveld and Django code
 if necessary and starts the server on a free inbound TCP port.
@@ skipping 45 matching lines @@
     if not self.base_dir:
       self.base_dir = os.path.dirname(os.path.abspath(__file__))
     # TODO(maruel): This should be in /tmp but that would mean having to fetch
     # everytime. This test is already annoyingly slow.
     self.rietveld = os.path.join(self.base_dir, '_rietveld')
     self.rietveld_app = os.path.join(
         self.rietveld, 'appengine', 'chromium_rietveld')
     self.test_server = None
     self.port = None
     self.tempdir = None
-
-    # Find the GAE SDK
-    previous_dir = ''
-    self.sdk_path = ''
-    base_dir = self.base_dir
-    while base_dir != previous_dir:
-      previous_dir = base_dir
-      self.sdk_path = os.path.join(base_dir, 'google_appengine')
-      if not os.path.isfile(os.path.join(self.sdk_path, 'VERSION')):
-        base_dir = os.path.dirname(base_dir)
-    self.dev_app = os.path.join(self.sdk_path, 'dev_appserver.py')
+    self.dev_app = None
 
   def install_prerequisites(self):
-    # First, verify the Google AppEngine SDK is available.
-    if not os.path.isfile(self.dev_app):
-      raise Failure(
-          'Install google_appengine sdk in %s or higher up' % self.base_dir)
+    # First, install the Google AppEngine SDK.
+    cmd = [os.path.join(self.base_dir, 'get_appengine.py'),
+           '--dest=%s' % self.base_dir]
+    try:
+      subprocess2.check_call(cmd)
+    except (OSError, subprocess2.CalledProcessError), e:
+      raise Failure('Failed to run %s\n%s' % (cmd, e))
+    sdk_path = os.path.join(self.base_dir, 'google_appengine')
+    self.dev_app = os.path.join(sdk_path, 'dev_appserver.py')
 
     if os.path.isdir(os.path.join(self.rietveld, '.hg')):
       # Left over from mercurial. Delete it.
       print('Deleting deprecated mercurial rietveld files...')
       shutil.rmtree(self.rietveld)
 
     # Second, checkout rietveld if not available.
     if not os.path.isdir(self.rietveld):
       print('Checking out rietveld...')
       try:
@@ skipping 91 matching lines @@
     instance.start_server(verbose=options.verbose)
     print 'Local rietveld instance started on port %d' % instance.port
     while True:
       time.sleep(0.1)
   finally:
     instance.stop_server()
 
 
 if __name__ == '__main__':
   main()