def dump_grading_context(course):
"""
Render information about course grading context
(e.g. which problems are graded in what assignments)
Useful for debugging grading_policy.json and policy.json
Returns HTML string
"""
hbar = "{}\n".format("-" * 77)
msg = hbar
msg += "Course grader:\n"
msg += '%s\n' % course.grader.__class__
graders = {}
if isinstance(course.grader,
xmgraders.get_grader('WeightedSubsectionsGrader')):
msg += '\n'
msg += "Graded sections:\n"
for subgrader, category, weight, passing_grade in course.grader.sections:
msg += " subgrader=%s, type=%s, category=%s, weight=%s, passing_grade=%s\n" % (
subgrader.__class__, subgrader.type, category, weight,
passing_grade)
subgrader.index = 1
graders[subgrader.type] = subgrader
msg += hbar
msg += "Listing grading context for course %s\n" % course.id.to_deprecated_string(
)
gcontext = course.grading_context
msg += "graded sections:\n"
msg += '%s\n' % gcontext['graded_sections'].keys()
for (gsomething, gsvals) in gcontext['graded_sections'].items():
msg += "--> Section %s:\n" % (gsomething)
for sec in gsvals:
sdesc = sec['section_descriptor']
frmat = getattr(sdesc, 'format', None)
weight = getattr(sdesc, 'weight', 1.0)
aname = ''
if frmat in graders:
gform = graders[frmat]
aname = '%s %02d' % (gform.short_label, gform.index)
gform.index += 1
elif sdesc.display_name in graders:
gform = graders[sdesc.display_name]
aname = '%s' % gform.short_label
notes = ''
if getattr(sdesc, 'score_by_attempt', False):
notes = ', score by attempt!'
msg += " %s (format=%s, Assignment=%s%s, weight=%s)\n"\
% (sdesc.display_name, frmat, aname, notes, weight)
msg += "all descriptors:\n"
msg += "length=%d\n" % len(gcontext['all_descriptors'])
msg = '<pre>%s</pre>' % msg.replace('<', '<')
return msg
def dump_grading_context(course):
"""
Render information about course grading context
(e.g. which problems are graded in what assignments)
Useful for debugging grading_policy.json and policy.json
Returns HTML string
"""
hbar = "{}\n".format("-" * 77)
msg = hbar
msg += "Course grader:\n"
msg += '%s\n' % course.grader.__class__
graders = {}
if isinstance(course.grader, xmgraders.get_grader('WeightedSubsectionsGrader')):
msg += '\n'
msg += "Graded sections:\n"
for subgrader, category, weight, passing_grade in course.grader.sections:
msg += " subgrader=%s, type=%s, category=%s, weight=%s, passing_grade=%s\n" % (
subgrader.__class__, subgrader.type, category, weight, passing_grade
)
subgrader.index = 1
graders[subgrader.type] = subgrader
msg += hbar
msg += "Listing grading context for course %s\n" % course.id.to_deprecated_string()
gcontext = course.grading_context
msg += "graded sections:\n"
msg += '%s\n' % gcontext['graded_sections'].keys()
for (gsomething, gsvals) in gcontext['graded_sections'].items():
msg += "--> Section %s:\n" % (gsomething)
for sec in gsvals:
sdesc = sec['section_descriptor']
frmat = getattr(sdesc, 'format', None)
weight = getattr(sdesc, 'weight', 1.0)
aname = ''
if frmat in graders:
gform = graders[frmat]
aname = '%s %02d' % (gform.short_label, gform.index)
gform.index += 1
elif sdesc.display_name in graders:
gform = graders[sdesc.display_name]
aname = '%s' % gform.short_label
notes = ''
if getattr(sdesc, 'score_by_attempt', False):
notes = ', score by attempt!'
msg += " %s (format=%s, Assignment=%s%s, weight=%s)\n"\
% (sdesc.display_name, frmat, aname, notes, weight)
msg += "all descriptors:\n"
msg += "length=%d\n" % len(gcontext['all_descriptors'])
msg = '<pre>%s</pre>' % msg.replace('<', '<')
return msg
def test_grader_from_conf(self):
# Confs always produce a graders.WeightedSubsectionsGrader, so we test this by repeating the test
# in test_graders.WeightedSubsectionsGrader, but generate the graders with confs.
weighted_grader = graders.grader_from_conf([
{
'type': "Homework",
'min_count': 12,
'drop_count': 2,
'short_label': "HW",
'weight': 0.25,
},
{
'type': "Lab",
'min_count': 7,
'drop_count': 3,
'category': "Labs",
'weight': 0.25
},
{
'type': "Midterm",
'name': "Midterm Exam",
'short_label': "Midterm",
'weight': 0.5,
},
])
empty_grader = graders.grader_from_conf([])
graded = weighted_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.5106547619047619)
self.assertEqual(len(graded['section_breakdown']),
(12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
graded = empty_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.0)
self.assertEqual(len(graded['section_breakdown']), 0)
self.assertEqual(len(graded['grade_breakdown']), 0)
# Test that graders can also be used instead of lists of dictionaries
homework_grader = graders.get_grader('AssignmentFormatGrader')(
"Homework", 12, 2)
homework_grader2 = graders.grader_from_conf(homework_grader)
graded = homework_grader2.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.11)
self.assertEqual(len(graded['section_breakdown']), 12 + 1)
def test_grader_from_conf(self):
# Confs always produce a graders.WeightedSubsectionsGrader, so we test this by repeating the test
# in test_graders.WeightedSubsectionsGrader, but generate the graders with confs.
weighted_grader = graders.grader_from_conf([
{
'type': "Homework",
'min_count': 12,
'drop_count': 2,
'short_label': "HW",
'weight': 0.25,
},
{
'type': "Lab",
'min_count': 7,
'drop_count': 3,
'category': "Labs",
'weight': 0.25
},
{
'type': "Midterm",
'name': "Midterm Exam",
'short_label': "Midterm",
'weight': 0.5,
},
])
empty_grader = graders.grader_from_conf([])
graded = weighted_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.5106547619047619)
self.assertEqual(len(graded['section_breakdown']), (12 + 1) + (7 + 1) + 1)
self.assertEqual(len(graded['grade_breakdown']), 3)
graded = empty_grader.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.0)
self.assertEqual(len(graded['section_breakdown']), 0)
self.assertEqual(len(graded['grade_breakdown']), 0)
# Test that graders can also be used instead of lists of dictionaries
homework_grader = graders.get_grader('AssignmentFormatGrader')("Homework", 12, 2)
homework_grader2 = graders.grader_from_conf(homework_grader)
graded = homework_grader2.grade(self.test_gradesheet)
self.assertAlmostEqual(graded['percent'], 0.11)
self.assertEqual(len(graded['section_breakdown']), 12 + 1)