tool_wrapper.py 文件源码

def ExecLinkWrapper(self, arch, use_separate_mspdbsrv, *args):
    """Filter diagnostic output from link that looks like:
    '   Creating library ui.dll.lib and object ui.dll.exp'
    This happens when there are exports from the dll or exe.
    """
    env = self._GetEnv(arch)
    if use_separate_mspdbsrv == 'True':
      self._UseSeparateMspdbsrv(env, args)
    if sys.platform == 'win32':
      args = list(args)  # *args is a tuple by default, which is read-only.
      args[0] = args[0].replace('/', '\\')
    # https://docs.python.org/2/library/subprocess.html:
    # "On Unix with shell=True [...] if args is a sequence, the first item
    # specifies the command string, and any additional items will be treated as
    # additional arguments to the shell itself.  That is to say, Popen does the
    # equivalent of:
    #   Popen(['/bin/sh', '-c', args[0], args[1], ...])"
    # For that reason, since going through the shell doesn't seem necessary on
    # non-Windows don't do that there.
    link = subprocess.Popen(args, shell=sys.platform == 'win32', env=env,
                            stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    # Read output one line at a time as it shows up to avoid OOM failures when
    # GBs of output is produced.
    for line in link.stdout:
      if (not line.startswith('   Creating library ') and
          not line.startswith('Generating code') and
          not line.startswith('Finished generating code')):
        print line,
    return link.wait()