vdb.py 文件源码

def __init__(self, threading_support=False, *args, **kwargs):
    ''' Optional arguments:
        threading_support - Support the threading module and patch a bug 
                            preventing catching exceptions in other threads.
                            See add_threading_excepthook for more info. Only
                            neccesary if you want to catch exceptions not on
                            the main thread. This is only patched after 
                            __enter__ unpatched at __exit__

        All other args from db_stop_if_error()'''
    self.threading_support=threading_support

    super(DbStopIfError, self).__init__(*args, **kwargs)

  #This is all needed JUST for threading. It uses syshook instead of __exit__