def set_scanner_opt(scanner_opt_name, scanner_opt, possible_values):
"""
Set one of the scanner options
Arguments:
scanner_opt_name --- for verbose
scanner_opt --- the scanner option (its value, its constraints, etc)
possible_values --- a list of values considered valid (the first one
being the preferred one)
"""
value = possible_values[0]
regexs = [re.compile(x) for x in possible_values]
if (scanner_opt.constraint_type ==
pyinsane.SaneConstraintType.STRING_LIST):
value = None
for regex in regexs:
for constraint in scanner_opt.constraint:
if regex.match(constraint):
value = constraint
break
if value is not None:
break
if value is None:
raise pyinsane.SaneException(
"%s are not a valid values for option %s"
% (str(possible_values), scanner_opt_name))
logger.info("Setting scanner option '%s' to '%s'"
% (scanner_opt_name, str(value)))
scanner_opt.value = value
def _set_scanner_opt(scanner_opt_name, scanner_opt, possible_values):
value = possible_values[0]
regexs = [re.compile(x, flags=re.IGNORECASE) for x in possible_values]
if (scanner_opt.constraint_type ==
pyinsane.SaneConstraintType.STRING_LIST):
value = None
for regex in regexs:
for constraint in scanner_opt.constraint:
if regex.match(constraint):
value = constraint
break
if value is not None:
break
if value is None:
raise pyinsane.SaneException(
"%s are not a valid values for option %s"
% (str(possible_values), scanner_opt_name))
logger.info("Setting scanner option '%s' to '%s'"
% (scanner_opt_name, str(value)))
scanner_opt.value = value