def set_activity_content(self, lesson, activity_content, errors=None):
"""Updates the content of an activity."""
if errors is None:
errors = []
path = self._app_context.fs.impl.physical_to_logical(
self.get_activity_filename(lesson.unit_id, lesson.lesson_id))
root_name = 'activity'
try:
content, noverify_text = verify.convert_javascript_to_python(
activity_content, root_name)
activity = verify.evaluate_python_expression_from_text(
content, root_name, verify.Activity().scope, noverify_text)
except Exception: # pylint: disable-msg=broad-except
errors.append('Unable to parse %s:\n%s' % (
root_name,
str(sys.exc_info()[1])))
return
verifier = verify.Verifier()
try:
verifier.verify_activity_instance(activity, path)
except verify.SchemaException:
errors.append('Error validating %s\n' % root_name)
return
fs = self.app_context.fs
fs.put(
path, vfs.string_to_stream(activity_content),
is_draft=not lesson.now_available)
def verify_activity(activity_text):
"""Parses and semantically verifies activity."""
activity = ActivityParser13.parse_string_in_scope(
activity_text, verify.Activity().scope, 'activity')
assert activity
verifier = verify.Verifier()
verifier.verify_activity_instance(activity, 'test')
def test_activity_ast():
"""Test a mix of various activities using legacy and new parser."""
activity_text = ("""activity = [
'<p>This is just some <i>HTML</i> text!</p>',
{ questionType: 'multiple choice',
questionHTML: '<p>What letter am I thinking about now?</p>',
choices: [
['A', false, '"A" is wrong, try again.'],
['B', true, '"B" is correct!'],
['C', false, '"C" is wrong, try again.'],
['D', false, '"D" is wrong, try again.']
]
},
{ questionType: 'freetext',
questionHTML: '<p>What color is the snow?</p>',
correctAnswerRegex: regex("/white/i"),
correctAnswerOutput: 'Correct!',
incorrectAnswerOutput: 'Try again.',
showAnswerOutput: 'Our search expert says: white!' },
{ questionType: 'multiple choice group',
questionGroupHTML:
'<p>This section will test you on colors and numbers.</p>',
allCorrectMinCount: 2,
questionsList: [
{questionHTML: 'Pick all <i>odd</i> numbers:',
choices: ['1', '2', '3', '4', '5'], correctIndex: [0, 2, 4]},
{questionHTML: 'Pick one <i>even</i> number:',
choices: ['1', '2', '3', '4', '5'], correctIndex: [1, 3],
multiSelect: false},
{questionHTML: 'What color is the sky?',
choices: ['#00FF00', '#00FF00', '#0000FF'], correctIndex: 2}
],
allCorrectOutput: 'Great job! You know the material well.',
someIncorrectOutput: 'You must answer at least two questions correctly.'
}
];
""")
verify_activity(activity_text)
scope = verify.Activity().scope
current_ast = ActivityParser13.parse_string_in_scope(
activity_text, scope, 'activity')
expected_ast = verify.legacy_eval_python_expression_for_test(
activity_text, scope, 'activity')
same = (len(current_ast.get('activity')) == 4
and current_ast.get('activity') == expected_ast.get('activity')
and current_ast == expected_ast)
if not same:
import pprint # # pylint: disable-msg=g-import-not-at-top
pprint.pprint(current_ast.get('activity'))
pprint.pprint(expected_ast.get('activity'))
assert same
def get_activity_as_python(self, unit_id, lesson_id):
"""Gets the corresponding activity as a Python object."""
root_name = 'activity'
course = self._get_course()
activity_text = course.app_context.fs.get(
os.path.join(course.app_context.get_home(),
course.get_activity_filename(unit_id, lesson_id)))
content, noverify_text = verify.convert_javascript_to_python(
activity_text, root_name)
activity = verify.evaluate_python_expression_from_text(
content, root_name, verify.Activity().scope, noverify_text)
return activity