调试pyQT4应用程序?

你需要打电话 QtCore.pyqtRemoveInputHook set_trace :

def debug_trace():
  '''Set a tracepoint in the Python debugger that works with Qt'''
  from PyQt4.QtCore import pyqtRemoveInputHook

  # Or for Qt5
  #from PyQt5.QtCore import pyqtRemoveInputHook

  from pdb import set_trace
  pyqtRemoveInputHook()
  set_trace()

QtCore.pyqtRestoreInputHook() ,可能最好是在您仍处于pdb状态时,然后在您点击enter键,并且控制台出现垃圾邮件后,继续点击“c”(继续),直到应用程序正常恢复(由于某种原因,我不得不按了几次“c”,它一直返回pdb,但在按了几次后,它恢复正常)

欲了解更多信息,请点击谷歌“pyqtRemoveInputHook pdb”(真的很明显,不是吗;(P)

我必须在跟踪点使用一个“next”命令,才能首先跳出该函数。为此,我修改了mgrandi的代码:

def pyqt_set_trace():
    '''Set a tracepoint in the Python debugger that works with Qt'''
    from PyQt4.QtCore import pyqtRemoveInputHook
    import pdb
    import sys
    pyqtRemoveInputHook()
    # set up the debugger
    debugger = pdb.Pdb()
    debugger.reset()
    # custom next to get outside of function scope
    debugger.do_next(None) # run the next command
    users_frame = sys._getframe().f_back # frame where the user invoked `pyqt_set_trace()`
    debugger.interaction(users_frame, None)

这对我有用。我从这里找到了解决方案: Python (pdb) - Queueing up commands to execute

在我的测试中,jamk的解决方案是有效的,而前一个方案虽然简单,但不起作用。