native_client_sdk/src/tools/run.py

   1 #!/usr/bin/env python
   2 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 """Launch a local http server, then launch a executable directed at the server.
   7
   8 This command creates a local server (on port 5103 by default) then runs:
   9   <executable> <args..> http://localhost:<port>/<page>.
  10
  11 Where <page> can be set by -P, or uses index.html by default.
  12 """
  13
  14 import argparse
  15 import copy
  16 import getos
  17 import os
  18 import subprocess
  19 import sys
  20 import httpd
  21
  22
  23 if sys.version_info < (2, 7, 0):
  24   sys.stderr.write("python 2.7 or later is required run this script\n")
  25   sys.exit(1)
  26
  27
  28 def main(args):
  29   parser = argparse.ArgumentParser(description=__doc__)
  30   parser.add_argument('-C', '--serve-dir',
  31       help='Serve files out of this directory.',
  32       dest='serve_dir', default=os.path.abspath('.'))
  33   parser.add_argument('-P', '--path', help='Path to load from local server.',
  34       dest='path', default='index.html')
  35   parser.add_argument('-D',
  36       help='Add debug command-line when launching the chrome debug.',
  37       dest='debug', action='append', default=[])
  38   parser.add_argument('-E',
  39       help='Add environment variables when launching the executable.',
  40       dest='environ', action='append', default=[])
  41   parser.add_argument('-p', '--port',
  42       help='Port to run server on. Default is 5103, ephemeral is 0.',
  43       type=int, default=5103)
  44   parser.add_argument('executable', help='command to run')
  45   parser.add_argument('args', nargs='*', help='arguments for executable')
  46   options = parser.parse_args(args)
  47
  48   # 0 means use an ephemeral port.
  49   server = httpd.LocalHTTPServer(options.serve_dir, options.port)
  50   print 'Serving %s on %s...' % (options.serve_dir, server.GetURL(''))
  51
  52   env = copy.copy(os.environ)
  53   for e in options.environ:
  54     key, value = map(str.strip, e.split('='))
  55     env[key] = value
  56
  57   cmd = [options.executable] + options.args + [server.GetURL(options.path)]
  58   print 'Running: %s...' % (' '.join(cmd),)
  59   process = subprocess.Popen(cmd, env=env)
  60
  61   # If any debug args are passed in, assume we want to debug
  62   if options.debug:
  63     if getos.GetPlatform() == 'linux':
  64       cmd = ['xterm', '-title', 'NaCl Debugger', '-e']
  65       cmd += options.debug
  66     elif getos.GetPlatform() == 'mac':
  67       cmd = ['osascript', '-e',
  68              'tell application "Terminal" to do script "%s"' %
  69                  ' '.join(r'\"%s\"' % x for x in options.debug)]
  70     elif getos.GetPlatform() == 'win':
  71       cmd = ['cmd.exe', '/c', 'start', 'cmd.exe', '/c']
  72       cmd += options.debug
  73     print 'Starting debugger: ' + ' '.join(cmd)
  74     debug_process = subprocess.Popen(cmd, env=env)
  75   else:
  76     debug_process = False
  77
  78   try:
  79     return server.ServeUntilSubprocessDies(process)
  80   finally:
  81     if process.returncode is None:
  82       process.kill()
  83     if debug_process and debug_process.returncode is None:
  84       debug_process.kill()
  85
  86 if __name__ == '__main__':
  87   sys.exit(main(sys.argv[1:]))