string_Utils.py 文件源码

def sub_from_varconfigfile(string, varconfigfile, start_pat="${", end_pat="}"):
    """ """
    try:
        # when varconfigfile is an XMl object(root element) - this happens
        # only when varconfigfile is taken from database server
        if isinstance(varconfigfile, ElementTree.Element) is True:
            cfg_elem_obj = ConfigurationElement("Varconfig_from_database",
                                                start_pat, end_pat)
            cfg_elem_obj.parse_data(varconfigfile, elem_type="xml_object")
        else:
            cfg_elem_obj = ConfigurationElement(varconfigfile, start_pat, end_pat)
            cfg_elem_obj.parse_data(varconfigfile)
        newstring = cfg_elem_obj.expand_variables(string)
    except TypeError as exception:
        print_info("At least one of the variables in command string is not found in  " + varconfigfile)
        #print_exception(exception)
        return False
    return newstring