exception.py 文件源码

def __init__(self, description = None, scode = None,
                 source = None, helpfile = None, helpContext = None,
                 desc = None, hresult = None):
        """Initialize an exception
        **Params**

        description -- A string description for the exception.
        scode -- An integer scode to be returned to the server, if necessary.
        The pythoncom framework defaults this to be DISP_E_EXCEPTION if not specified otherwise.
        source -- A string which identifies the source of the error.
        helpfile -- A string which points to a help file which contains details on the error.
        helpContext -- An integer context in the help file.
        desc -- A short-cut for description.
        hresult -- A short-cut for scode.
        """

        # convert a WIN32 error into an HRESULT
        scode = scode or hresult
        if scode and scode != 1: # We dont want S_FALSE mapped!
            if scode >= -32768 and scode < 32768:
                # this is HRESULT_FROM_WIN32()
                scode = -2147024896 | (scode & 0x0000FFFF)
        self.scode = scode

        self.description = description or desc
        if scode==1 and not self.description:
            self.description = "S_FALSE"
        elif scode and not self.description:
            self.description = pythoncom.GetScodeString(scode)

        self.source = source
        self.helpfile = helpfile
        self.helpcontext = helpContext

        # todo - fill in the exception value
        pythoncom.com_error.__init__(self, scode, self.description, None, -1)