featureservicetools.py 文件源码

def trace():
    """Determines information about where an error was thrown.

    Returns:
        tuple: line number, filename, error message
    Examples:
        >>> try:
        ...     1/0
        ... except:
        ...     print("Error on '{}'\\nin file '{}'\\nwith error '{}'".format(*trace()))
        ...        
        Error on 'line 1234'
        in file 'C:\\foo\\baz.py'
        with error 'ZeroDivisionError: integer division or modulo by zero'

    """
    tb = sys.exc_info()[2]
    tbinfo = traceback.format_tb(tb)[0]
    filename = inspect.getfile(inspect.currentframe())
    # script name + line number
    line = tbinfo.split(", ")[1]
    # Get Python syntax error
    #
    synerror = traceback.format_exc().splitlines()[-1]
    return line, filename, synerror