code: def extract_diff_sla_from_config_file(obj, options_file):
    
    rule_strings = {}
    config_obj = ConfigParser.ConfigParser()
    config_obj.optionxform = str
    config_obj.read(options_file)
    for section in config_obj.sections():
      rule_strings, kwargs = get_rule_strings(config_obj, section)
      for (key, val) in rule_strings.iteritems():
        set_sla(obj, section, key, val)
docs: Helper function to parse diff config file, which contains SLA rules for diff comparisons