def preprocess_cell(self, cell, resources, cell_index):
if not (utils.is_grade(cell) or utils.is_locked(cell)):
return cell, resources
# if we're ignoring checksums, then remove the checksum from the
# cell metadata
if self.ignore_checksums and 'checksum' in cell.metadata.nbgrader:
del cell.metadata.nbgrader['checksum']
# verify checksums of cells
if utils.is_locked(cell) and 'checksum' in cell.metadata.nbgrader:
old_checksum = cell.metadata.nbgrader['checksum']
new_checksum = utils.compute_checksum(cell)
if old_checksum != new_checksum:
resources['nbgrader']['checksum_mismatch'].append(cell_index)
# if it's a grade cell, the check the grade
if utils.is_grade(cell):
score, max_score = utils.determine_grade(cell)
# it's a markdown cell, so we can't do anything
if score is None:
pass
elif score < max_score:
resources['nbgrader']['failed_cells'].append(cell_index)
else:
resources['nbgrader']['passed_cells'].append(cell_index)
return cell, resources
def preprocess_cell(self, cell, resources, cell_index):
if not (utils.is_grade(cell) or utils.is_locked(cell)):
return cell, resources
# if we're ignoring checksums, then remove the checksum from the
# cell metadata
if self.ignore_checksums and 'checksum' in cell.metadata.nbgrader:
del cell.metadata.nbgrader['checksum']
# verify checksums of cells
if utils.is_locked(cell) and 'checksum' in cell.metadata.nbgrader:
old_checksum = cell.metadata.nbgrader['checksum']
new_checksum = utils.compute_checksum(cell)
if old_checksum != new_checksum:
resources['nbgrader']['checksum_mismatch'].append(cell)
# if it's a grade cell, the check the grade
if utils.is_grade(cell):
score, max_score = utils.determine_grade(cell)
# it's a markdown cell, so we can't do anything
if score is None:
pass
elif score < max_score:
resources['nbgrader']['failed_cells'].append(cell)
else:
resources['nbgrader']['passed_cells'].append(cell)
return cell, resources
def preprocess_cell(self, cell, resources, cell_index):
grade_id = cell.metadata.get('nbgrader', {}).get('grade_id', None)
if grade_id is None:
return cell, resources
try:
source_cell = self.gradebook.find_source_cell(
grade_id,
self.notebook_id,
self.assignment_id)
except MissingEntry:
self.log.warning("Cell '{}' does not exist in the database".format(grade_id))
del cell.metadata.nbgrader['grade_id']
return cell, resources
# check that the cell type hasn't changed
if cell.cell_type != source_cell.cell_type:
self.report_change(grade_id, "cell_type", source_cell.cell_type, cell.cell_type)
self.update_cell_type(cell, source_cell.cell_type)
# check that the locked status hasn't changed
if utils.is_locked(cell) != source_cell.locked:
self.report_change(grade_id, "locked", source_cell.locked, utils.is_locked(cell))
cell.metadata.nbgrader["locked"] = source_cell.locked
# if it's a grade cell, check that the max score hasn't changed
if utils.is_grade(cell):
grade_cell = self.gradebook.find_grade_cell(
grade_id,
self.notebook_id,
self.assignment_id)
old_points = float(grade_cell.max_score)
new_points = float(cell.metadata.nbgrader["points"])
if old_points != new_points:
self.report_change(grade_id, "points", old_points, new_points)
cell.metadata.nbgrader["points"] = old_points
# always update the checksum, just in case
cell.metadata.nbgrader["checksum"] = source_cell.checksum
# if it's locked, check that the checksum hasn't changed
if source_cell.locked:
old_checksum = source_cell.checksum
new_checksum = utils.compute_checksum(cell)
if old_checksum != new_checksum:
self.report_change(grade_id, "checksum", old_checksum, new_checksum)
cell.source = source_cell.source
# double check the the checksum is correct now
if utils.compute_checksum(cell) != source_cell.checksum:
raise RuntimeError("Inconsistent checksums for cell {}".format(source_cell.name))
return cell, resources
def preprocess_cell(self, cell, resources, cell_index):
grade_id = cell.metadata.get('nbgrader', {}).get('grade_id', None)
if grade_id is None:
return cell, resources
source_cell = self.gradebook.find_source_cell(grade_id,
self.notebook_id,
self.assignment_id)
# check that the cell type hasn't changed
if cell.cell_type != source_cell.cell_type:
self.report_change(grade_id, "cell_type", source_cell.cell_type,
cell.cell_type)
self.update_cell_type(cell, source_cell.cell_type)
# check that the locked status hasn't changed
if utils.is_locked(cell) != source_cell.locked:
self.report_change(grade_id, "locked", source_cell.locked,
utils.is_locked(cell))
cell.metadata.nbgrader["locked"] = source_cell.locked
# if it's a grade cell, check that the max score hasn't changed
if utils.is_grade(cell):
grade_cell = self.gradebook.find_grade_cell(
grade_id, self.notebook_id, self.assignment_id)
old_points = float(grade_cell.max_score)
new_points = float(cell.metadata.nbgrader["points"])
if old_points != new_points:
self.report_change(grade_id, "points", old_points, new_points)
cell.metadata.nbgrader["points"] = old_points
# always update the checksum, just in case
cell.metadata.nbgrader["checksum"] = source_cell.checksum
# if it's locked, check that the checksum hasn't changed
if source_cell.locked:
old_checksum = source_cell.checksum
new_checksum = utils.compute_checksum(cell)
if old_checksum != new_checksum:
self.report_change(grade_id, "checksum", old_checksum,
new_checksum)
cell.source = source_cell.source
# double check the the checksum is correct now
if utils.compute_checksum(cell) != source_cell.checksum:
raise RuntimeError(
"Inconsistent checksums for cell {}".format(
source_cell.name))
return cell, resources
def _create_source_cell(self, cell: NotebookNode) -> None:
grade_id = cell.metadata.nbgrader["grade_id"]
try:
source_cell = self.gradebook.find_source_cell(
grade_id, self.notebook_id, self.assignment_id).to_dict()
del source_cell["name"]
del source_cell["notebook"]
del source_cell["assignment"]
except MissingEntry:
source_cell = {}
source = cell.source
if is_singlechoice(cell) or is_multiplechoice(cell):
source = json.dumps(cell.metadata.extended_cell)
source_cell.update({
"cell_type":
cell.cell_type,
"locked":
utils.is_locked(cell),
"source":
source,
"checksum":
cell.metadata.nbgrader.get("checksum", None),
})
self.new_source_cells[grade_id] = source_cell
def preprocess_cell(self, cell, resources, cell_index):
if self.lock_all_cells:
cell.metadata['deletable'] = False
elif self.lock_grade_cells and utils.is_grade(cell):
cell.metadata['deletable'] = False
elif self.lock_solution_cells and utils.is_solution(cell):
cell.metadata['deletable'] = False
elif self.lock_readonly_cells and utils.is_locked(cell):
cell.metadata['deletable'] = False
return cell, resources
def preprocess_cell(self, cell, resources, cell_index):
if self.lock_all_cells:
cell.metadata['deletable'] = False
elif self.lock_grade_cells and utils.is_grade(cell):
cell.metadata['deletable'] = False
elif self.lock_solution_cells and utils.is_solution(cell):
cell.metadata['deletable'] = False
elif self.lock_readonly_cells and utils.is_locked(cell):
cell.metadata['deletable'] = False
return cell, resources
def preprocess_cell(self, cell, resources, cell_index):
if utils.is_grade(cell):
self._create_grade_cell(cell)
if utils.is_solution(cell):
self._create_solution_cell(cell)
if utils.is_grade(cell) or utils.is_solution(cell) or utils.is_locked(cell):
self._create_source_cell(cell)
return cell, resources
def preprocess_cell(self, cell, resources, cell_index):
# compute checksums of grade cell and solution cells
if utils.is_grade(cell) or utils.is_solution(cell) or utils.is_locked(
cell):
checksum = utils.compute_checksum(cell)
cell.metadata.nbgrader['checksum'] = checksum
if utils.is_grade(cell) or utils.is_solution(cell):
self.log.debug("Checksum for '%s' is %s",
cell.metadata.nbgrader['grade_id'], checksum)
return cell, resources
def preprocess_cell(self, cell, resources, cell_index):
if utils.is_grade(cell):
self._create_grade_cell(cell)
if utils.is_solution(cell):
self._create_solution_cell(cell)
if utils.is_grade(cell) or utils.is_solution(cell) or utils.is_locked(
cell):
self._create_source_cell(cell)
return cell, resources
def preprocess_cell(self, cell, resources, cell_index):
if not (utils.is_grade(cell) or utils.is_solution(cell) or utils.is_locked(cell)):
return cell, resources
grade_id = cell.metadata.nbgrader['grade_id']
if grade_id in self.grade_ids:
self.log.warning("Cell with id '%s' exists multiple times!", grade_id)
cell.metadata.nbgrader = {}
else:
self.grade_ids.add(grade_id)
return cell, resources
def preprocess_cell(self, cell, resources, cell_index):
# compute checksums of grade cell and solution cells
if utils.is_grade(cell) or utils.is_solution(cell) or utils.is_locked(cell):
checksum = utils.compute_checksum(cell)
cell.metadata.nbgrader['checksum'] = checksum
if utils.is_grade(cell) or utils.is_solution(cell):
self.log.debug(
"Checksum for '%s' is %s",
cell.metadata.nbgrader['grade_id'],
checksum)
return cell, resources
def preprocess_cell(self, cell, resources, cell_index):
if not (utils.is_grade(cell) or utils.is_solution(cell)
or utils.is_locked(cell)):
return cell, resources
grade_id = cell.metadata.nbgrader['grade_id']
if grade_id in self.grade_ids:
self.log.warning("Cell with id '%s' exists multiple times!",
grade_id)
cell.metadata.nbgrader = {}
else:
self.grade_ids.add(grade_id)
return cell, resources
def _create_source_cell(self, cell):
grade_id = cell.metadata.nbgrader['grade_id']
try:
source_cell = self.gradebook.find_source_cell(grade_id, self.notebook_id, self.assignment_id).to_dict()
del source_cell['name']
del source_cell['notebook']
del source_cell['assignment']
except MissingEntry:
source_cell = {}
source_cell.update({
'cell_type': cell.cell_type,
'locked': utils.is_locked(cell),
'source': cell.source,
'checksum': cell.metadata.nbgrader.get('checksum', None)
})
self.new_source_cells[grade_id] = source_cell
def _create_source_cell(self, cell: NotebookNode) -> None:
grade_id = cell.metadata.nbgrader['grade_id']
try:
source_cell = self.gradebook.find_source_cell(grade_id, self.notebook_id, self.assignment_id).to_dict()
del source_cell['name']
del source_cell['notebook']
del source_cell['assignment']
except MissingEntry:
source_cell = {}
source = cell.source
if is_singlechoice(cell) or is_multiplechoice(cell):
source = json.dumps(cell.metadata.extended_cell)
source_cell.update({
'cell_type': cell.cell_type,
'locked': utils.is_locked(cell),
'source': source,
'checksum': cell.metadata.nbgrader.get('checksum', None)
})
self.new_source_cells[grade_id] = source_cell
def _create_source_cell(self, cell):
grade_id = cell.metadata.nbgrader['grade_id']
try:
source_cell = self.gradebook.find_source_cell(
grade_id, self.notebook_id, self.assignment_id).to_dict()
del source_cell['name']
del source_cell['notebook']
del source_cell['assignment']
except MissingEntry:
source_cell = {}
source_cell.update({
'cell_type':
cell.cell_type,
'locked':
utils.is_locked(cell),
'source':
cell.source,
'checksum':
cell.metadata.nbgrader.get('checksum', None)
})
self.new_source_cells[grade_id] = source_cell
def is_description(cell):
return is_nbgrader_cell(cell) and not is_grade(cell) and is_locked(cell)
def test_is_locked():
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=True, grade=False, locked=False)
assert not utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=True, grade=True, locked=False)
assert not utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=True, grade=False, locked=True)
assert not utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=True, grade=True, locked=True)
assert not utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=False, grade=True, locked=False)
assert utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=False, grade=True, locked=True)
assert utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=False, grade=False, locked=True)
assert utils.is_locked(cell)
assert utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=False, grade=False, locked=False)
assert not utils.is_locked(cell)
def test_is_locked():
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=True, grade=False, locked=False)
assert not utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=True, grade=True, locked=False)
assert not utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=True, grade=False, locked=True)
assert not utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=True, grade=True, locked=True)
assert not utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=False, grade=True, locked=False)
assert utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=False, grade=True, locked=True)
assert utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=False, grade=False, locked=True)
assert utils.is_locked(cell)
assert utils.is_locked(cell)
cell = create_code_cell()
assert not utils.is_locked(cell)
cell.metadata['nbgrader'] = dict(solution=False, grade=False, locked=False)
assert not utils.is_locked(cell)
