Funktionierender Prototyp des Serious Games zur Vermittlung von Wissen zu Software-Engineering-Arbeitsmodellen.
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cmdserver.py 3.0KB

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  1. # cmdserver.py
  2. # Demo code that is not Pythonwin related, but too good to throw away...
  3. import _thread
  4. import sys
  5. import traceback
  6. import win32api
  7. from pywin.framework import winout
  8. class ThreadWriter:
  9. "Assign an instance to sys.stdout for per-thread printing objects - Courtesy Guido!"
  10. def __init__(self):
  11. "Constructor -- initialize the table of writers"
  12. self.writers = {}
  13. self.origStdOut = None
  14. def register(self, writer):
  15. "Register the writer for the current thread"
  16. self.writers[_thread.get_ident()] = writer
  17. if self.origStdOut is None:
  18. self.origStdOut = sys.stdout
  19. sys.stdout = self
  20. def unregister(self):
  21. "Remove the writer for the current thread, if any"
  22. try:
  23. del self.writers[_thread.get_ident()]
  24. except KeyError:
  25. pass
  26. if len(self.writers) == 0:
  27. sys.stdout = self.origStdOut
  28. self.origStdOut = None
  29. def getwriter(self):
  30. "Return the current thread's writer, default sys.stdout"
  31. try:
  32. return self.writers[_thread.get_ident()]
  33. except KeyError:
  34. return self.origStdOut
  35. def write(self, str):
  36. "Write to the current thread's writer, default sys.stdout"
  37. self.getwriter().write(str)
  38. def Test():
  39. num = 1
  40. while num < 1000:
  41. print("Hello there no " + str(num))
  42. win32api.Sleep(50)
  43. num = num + 1
  44. class flags:
  45. SERVER_BEST = 0
  46. SERVER_IMMEDIATE = 1
  47. SERVER_THREAD = 2
  48. SERVER_PROCESS = 3
  49. def StartServer(cmd, title=None, bCloseOnEnd=0, serverFlags=flags.SERVER_BEST):
  50. out = winout.WindowOutput(title, None, winout.flags.WQ_IDLE)
  51. if not title:
  52. title = cmd
  53. out.Create(title)
  54. # ServerThread((out, cmd, title, bCloseOnEnd))
  55. # out = sys.stdout
  56. _thread.start_new_thread(ServerThread, (out, cmd, title, bCloseOnEnd))
  57. def ServerThread(myout, cmd, title, bCloseOnEnd):
  58. try:
  59. writer.register(myout)
  60. print('Executing "%s"\n' % cmd)
  61. bOK = 1
  62. try:
  63. import __main__
  64. exec(cmd + "\n", __main__.__dict__)
  65. except:
  66. bOK = 0
  67. if bOK:
  68. print("Command terminated without errors.")
  69. else:
  70. t, v, tb = sys.exc_info()
  71. print(t, ": ", v)
  72. traceback.print_tb(tb)
  73. tb = None # prevent a cycle
  74. print("Command terminated with an unhandled exception")
  75. writer.unregister()
  76. if bOK and bCloseOnEnd:
  77. myout.frame.DestroyWindow()
  78. # Unhandled exception of any kind in a thread kills the gui!
  79. except:
  80. t, v, tb = sys.exc_info()
  81. print(t, ": ", v)
  82. traceback.print_tb(tb)
  83. tb = None
  84. print("Thread failed")
  85. # assist for reloading (when debugging) - use only 1 tracer object,
  86. # else a large chain of tracer objects will exist.
  87. # try:
  88. # writer
  89. # except NameError:
  90. # writer=ThreadWriter()
  91. if __name__ == "__main__":
  92. import demoutils
  93. demoutils.NotAScript()