def set_unlock_previous(self, unlock_previous):
"""use a string -- for now, ``always`` and ``never`` are the options"""
if unlock_previous is None:
raise NullArgument('unlock_previous cannot be None')
if unlock_previous is not None and not utilities.is_string(
unlock_previous):
raise InvalidArgument('unlock_previous must be a string')
self.my_osid_object_form._my_map['unlockPrevious'] = unlock_previous
def set_difficulty(self, difficulty):
"""stub"""
if not is_string(difficulty):
raise InvalidArgument('difficulty value must be a string')
if difficulty.lower() not in ['low', 'medium', 'hard']:
raise InvalidArgument(
'difficulty value must be low, medium, or hard')
self.my_osid_object_form._my_map['texts']['difficulty'][
'text'] = difficulty
def add_choice(self, text, name='', identifier=None):
"""stub"""
if not utilities.is_string(text):
raise InvalidArgument('text is not a string')
choice_display_text = self._choice_text_metadata[
'default_string_values'][0]
choice_display_text['text'] = text
if identifier is None:
identifier = str(ObjectId())
choice = {'id': identifier, 'text': text, 'name': name}
self.my_osid_object_form._my_map['choices'].append(choice)
return choice
def set_solution(self, text):
"""stub"""
if not self.my_osid_object_form._is_valid_string(
text, self.get_solution_metadata()):
raise InvalidArgument('text')
if is_string(text):
self.my_osid_object_form._my_map['solution'] = {
'text': text,
'languageTypeId': str(DEFAULT_LANGUAGE_TYPE),
'scriptTypeId': str(DEFAULT_SCRIPT_TYPE),
'formatTypeId': str(DEFAULT_FORMAT_TYPE)
}
else:
self.my_osid_object_form._my_map['solution'] = text
def __init__(self,
hexstr=None,
values=None,
uncertainty_minus=None,
uncertainty_plus=None):
if values is not None:
if not isinstance(values, list) or len(values) != 3:
raise InvalidArgument()
self._values = values
elif hexstr is not None:
if not is_string(hexstr) or len(hexstr) != 6:
raise InvalidArgument()
try:
self._values = [
int(hexstr[:-4], 16),
int(hexstr[2:-2], 16),
int(hexstr[4:], 16)
]
except:
raise InvalidArgument(hexstr)
else:
raise NullArgument()
self._uncertainty_minus = uncertainty_minus
self._uncertainty_plus = uncertainty_plus
def set_source(self, source):
"""stub"""
if not is_string(source):
raise InvalidArgument('source value must be a string')
self.my_osid_object_form._my_map['texts']['source']['text'] = source
def test_can_get_unlock_previous(self):
self.assertTrue(dlkit_utilities.is_string(self.prev_button_object.get_unlock_previous()))
self.assertEqual(self.prev_button_object.get_unlock_previous(),
'always')