Add direct flush calls to stderr / stdout.

generate_test_report.py

 #!/usr/bin/python
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 """Parses and displays the contents of one or more autoserv result directories.
 
 This script parses the contents of one or more autoserv results folders and
 generates test reports.
@@ skipping 216 matching lines @@
             while out:
               print >> sys.stderr, out
               out = fh.read()
             print >> sys.stderr, (
                  '\n=========== END DEBUG %s FOR TEST %s ===============\n' % (
                  path, test))
             fh.close()
           except:
             print 'Could not open %s' % path
 
+      # Sometimes the builders exit before these buffers are flushed.
+      sys.stderr.flush()
+      sys.stdout.flush()
+
   def Run(self):
     """Runs report generation."""
     self._CollectResults()
     self._GenerateReportText()
     for v in self._results.itervalues():
       if v['status'] != 'PASS':
         sys.exit(1)
 
 
 def main():
@@ skipping 23 matching lines @@
   if not args:
     parser.print_help()
     Die('no result directories provided')
 
   generator = ReportGenerator(options, args)
   generator.Run()
 
 
 if __name__ == '__main__':
   main()