def CreateProcess(appName,
                  cmdline,
                  procSecurity,
                  threadSecurity,
                  inheritHandles,
                  newEnvironment,
                  env,
                  workingDir,
                  startupInfo):
    """
    This function mocks the generated pid aspect of the win32.CreateProcess
    function.
      - the true win32process.CreateProcess is called
      - return values are harvested in a tuple.
      - all return values from createProcess are passed back to the calling
        function except for the pid, the returned pid is hardcoded to 42
    """

    hProcess, hThread, dwPid, dwTid = win32process.CreateProcess(
                      appName,
                      cmdline,
                      procSecurity,
                      threadSecurity,
                      inheritHandles,
                      newEnvironment,
                      env,
                      workingDir,
                      startupInfo)
    dwPid = 42
    return (hProcess, hThread, dwPid, dwTid)

    This function mocks the generated pid aspect of the win32.CreateProcess
    function.
      - the true win32process.CreateProcess is called
      - return values are harvested in a tuple.
      - all return values from createProcess are passed back to the calling
        function except for the pid, the returned pid is hardcoded to 42
    
stackoverflow/venv/lib/python3.6/site-packages/twisted/test/mock_win32process.py