def finalize():
if not my_grade_changes:
return
state_machine = GradeStateMachine()
state_machine.consume(my_grade_changes)
percentage = state_machine.percentage()
if percentage is not None:
grades.append(percentage)
del my_grade_changes[:]
def finalize():
if not my_grade_changes:
return
state_machine = GradeStateMachine()
state_machine.consume(my_grade_changes)
percentage = state_machine.percentage()
if percentage is not None:
grades.append(percentage)
del my_grade_changes[:]
def get_grade_table(course):
# NOTE: It's important that these queries are sorted consistently,
# also consistently with the code below.
grading_opps = list((GradingOpportunity.objects.filter(
course=course,
shown_in_grade_book=True,
).order_by("identifier")))
participations = list(
Participation.objects.filter(
course=course, status=participation_status.active).order_by(
"id").select_related("user"))
grade_changes = list(
GradeChange.objects.filter(
opportunity__course=course,
opportunity__shown_in_grade_book=True).order_by(
"participation__id", "opportunity__identifier",
"grade_time").select_related("participation").select_related(
"participation__user").select_related("opportunity"))
idx = 0
grade_table = []
for participation in participations:
while (idx < len(grade_changes)
and grade_changes[idx].participation.id < participation.id):
idx += 1
grade_row = []
for opp in grading_opps:
while (idx < len(grade_changes)
and grade_changes[idx].participation.pk == participation.pk
and
grade_changes[idx].opportunity.identifier < opp.identifier):
idx += 1
my_grade_changes = []
while (idx < len(grade_changes)
and grade_changes[idx].opportunity.pk == opp.pk and
grade_changes[idx].participation.pk == participation.pk):
my_grade_changes.append(grade_changes[idx])
idx += 1
state_machine = GradeStateMachine()
state_machine.consume(my_grade_changes)
grade_row.append(
GradeInfo(opportunity=opp, grade_state_machine=state_machine))
grade_table.append(grade_row)
return participations, grading_opps, grade_table
def view_single_grade(pctx, participation_id, opportunity_id):
now_datetime = get_now_or_fake_time(pctx.request)
participation = get_object_or_404(Participation,
id=int(participation_id))
if participation.course != pctx.course:
raise SuspiciousOperation(_("participation does not match course"))
opportunity = get_object_or_404(GradingOpportunity, id=int(opportunity_id))
if pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant]:
if not opportunity.shown_in_grade_book:
messages.add_message(pctx.request, messages.INFO,
_("This grade is not shown in the grade book."))
if not opportunity.shown_in_student_grade_book:
messages.add_message(pctx.request, messages.INFO,
_("This grade is not shown in the student grade book."))
elif pctx.role == participation_role.student:
if participation != pctx.participation:
raise PermissionDenied(_("may not view other people's grades"))
if not (opportunity.shown_in_grade_book
and opportunity.shown_in_student_grade_book):
raise PermissionDenied(_("grade has not been released"))
else:
raise PermissionDenied()
# {{{ modify sessions buttons
if pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant]:
allow_session_actions = True
request = pctx.request
if pctx.request.method == "POST":
action_re = re.compile("^([a-z]+)_([0-9]+)$")
for key in request.POST.keys():
action_match = action_re.match(key)
if action_match:
break
if not action_match:
raise SuspiciousOperation(_("unknown action"))
session = FlowSession.objects.get(id=int(action_match.group(2)))
op = action_match.group(1)
from course.flow import (
regrade_session,
recalculate_session_grade,
expire_flow_session_standalone,
finish_flow_session_standalone)
try:
if op == "expire":
expire_flow_session_standalone(
pctx.repo, pctx.course, session, now_datetime)
messages.add_message(pctx.request, messages.SUCCESS,
_("Session expired."))
elif op == "end":
finish_flow_session_standalone(
pctx.repo, pctx.course, session,
now_datetime=now_datetime)
messages.add_message(pctx.request, messages.SUCCESS,
_("Session ended."))
elif op == "regrade":
regrade_session(
pctx.repo, pctx.course, session)
messages.add_message(pctx.request, messages.SUCCESS,
_("Session regraded."))
elif op == "recalculate":
recalculate_session_grade(
pctx.repo, pctx.course, session)
messages.add_message(pctx.request, messages.SUCCESS,
_("Session grade recalculated."))
else:
raise SuspiciousOperation(_("invalid session operation"))
except Exception as e:
messages.add_message(pctx.request, messages.ERROR,
string_concat(
pgettext_lazy("Starting of Error message",
"Error"),
": %(err_type)s %(err_str)s")
% {
"err_type": type(e).__name__,
"err_str": str(e)})
else:
allow_session_actions = False
# }}}
grade_changes = list(GradeChange.objects
.filter(
opportunity=opportunity,
participation=participation)
.order_by("grade_time")
.select_related("participation")
.select_related("participation__user")
.select_related("creator")
.select_related("opportunity"))
state_machine = GradeStateMachine()
state_machine.consume(grade_changes, set_is_superseded=True)
if opportunity.flow_id:
flow_sessions = list(FlowSession.objects
.filter(
participation=participation,
flow_id=opportunity.flow_id,
)
.order_by("start_time"))
from collections import namedtuple
SessionProperties = namedtuple( # noqa
"SessionProperties",
["due", "grade_description"])
from course.utils import get_session_grading_rule
from course.content import get_flow_desc
try:
flow_desc = get_flow_desc(pctx.repo, pctx.course,
opportunity.flow_id, pctx.course_commit_sha)
except ObjectDoesNotExist:
flow_sessions_and_session_properties = None
else:
flow_sessions_and_session_properties = []
for session in flow_sessions:
grading_rule = get_session_grading_rule(
session, pctx.role, flow_desc, now_datetime)
session_properties = SessionProperties(
due=grading_rule.due,
grade_description=grading_rule.description)
flow_sessions_and_session_properties.append(
(session, session_properties))
else:
flow_sessions_and_session_properties = None
avg_grade_percentage, avg_grade_population = average_grade(opportunity)
return render_course_page(pctx, "course/gradebook-single.html", {
"opportunity": opportunity,
"avg_grade_percentage": avg_grade_percentage,
"avg_grade_population": avg_grade_population,
"grade_participation": participation,
"grade_state_change_types": grade_state_change_types,
"grade_changes": grade_changes,
"state_machine": state_machine,
"flow_sessions_and_session_properties": flow_sessions_and_session_properties,
"allow_session_actions": allow_session_actions,
"show_privileged_info": pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant
],
})
def view_participant_grades(pctx, participation_id=None):
if pctx.participation is None:
raise PermissionDenied(_("must be enrolled to view grades"))
if participation_id is not None:
grade_participation = Participation.objects.get(id=int(participation_id))
else:
grade_participation = pctx.participation
if pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant]:
is_student_viewing = False
elif pctx.role == participation_role.student:
if grade_participation != pctx.participation:
raise PermissionDenied(_("may not view other people's grades"))
is_student_viewing = True
else:
raise PermissionDenied()
# NOTE: It's important that these two queries are sorted consistently,
# also consistently with the code below.
grading_opps = list((GradingOpportunity.objects
.filter(
course=pctx.course,
shown_in_grade_book=True,
)
.order_by("identifier")))
grade_changes = list(GradeChange.objects
.filter(
participation=grade_participation,
opportunity__course=pctx.course,
opportunity__shown_in_grade_book=True)
.order_by(
"participation__id",
"opportunity__identifier",
"grade_time")
.select_related("participation")
.select_related("participation__user")
.select_related("opportunity"))
idx = 0
grade_table = []
for opp in grading_opps:
if is_student_viewing:
if not (opp.shown_in_grade_book
and opp.shown_in_student_grade_book):
continue
else:
if not opp.shown_in_grade_book:
continue
while (
idx < len(grade_changes)
and grade_changes[idx].opportunity.identifier < opp.identifier
):
idx += 1
my_grade_changes = []
while (
idx < len(grade_changes)
and grade_changes[idx].opportunity.pk == opp.pk):
my_grade_changes.append(grade_changes[idx])
idx += 1
state_machine = GradeStateMachine()
state_machine.consume(my_grade_changes)
grade_table.append(
GradeInfo(
opportunity=opp,
grade_state_machine=state_machine))
return render_course_page(pctx, "course/gradebook-participant.html", {
"grade_table": grade_table,
"grade_participation": grade_participation,
"grading_opportunities": grading_opps,
"grade_state_change_types": grade_state_change_types,
})
def view_grades_by_opportunity(pctx, opp_id):
from course.views import get_now_or_fake_time
now_datetime = get_now_or_fake_time(pctx.request)
if pctx.role not in [
participation_role.instructor,
participation_role.teaching_assistant]:
raise PermissionDenied(_("must be instructor or TA to view grades"))
opportunity = get_object_or_404(GradingOpportunity, id=int(opp_id))
if pctx.course != opportunity.course:
raise SuspiciousOperation(_("opportunity from wrong course"))
# {{{ batch sessions form
batch_session_ops_form = None
if pctx.role == participation_role.instructor and opportunity.flow_id:
cursor = connection.cursor()
cursor.execute("select distinct access_rules_tag from course_flowsession "
"where course_id = %s and flow_id = %s "
"order by access_rules_tag", (pctx.course.id, opportunity.flow_id))
session_rule_tags = [
mangle_session_access_rule_tag(row[0]) for row in cursor.fetchall()]
request = pctx.request
if request.method == "POST":
batch_session_ops_form = ModifySessionsForm(
session_rule_tags, request.POST, request.FILES)
if "expire" in request.POST:
op = "expire"
elif "end" in request.POST:
op = "end"
elif "regrade" in request.POST:
op = "regrade"
elif "recalculate" in request.POST:
op = "recalculate"
else:
raise SuspiciousOperation(_("invalid operation"))
if batch_session_ops_form.is_valid():
rule_tag = batch_session_ops_form.cleaned_data["rule_tag"]
past_due_only = batch_session_ops_form.cleaned_data["past_due_only"]
if rule_tag == RULE_TAG_NONE_STRING:
rule_tag = None
from course.tasks import (
expire_in_progress_sessions,
finish_in_progress_sessions,
regrade_flow_sessions,
recalculate_ended_sessions)
if op == "expire":
async_res = expire_in_progress_sessions.delay(
pctx.course.id, opportunity.flow_id,
rule_tag, now_datetime,
past_due_only=past_due_only)
return redirect("relate-monitor_task", async_res.id)
elif op == "end":
async_res = finish_in_progress_sessions.delay(
pctx.course.id, opportunity.flow_id,
rule_tag, now_datetime,
past_due_only=past_due_only)
return redirect("relate-monitor_task", async_res.id)
elif op == "regrade":
async_res = regrade_flow_sessions.delay(
pctx.course.id, opportunity.flow_id,
rule_tag, inprog_value=False)
return redirect("relate-monitor_task", async_res.id)
elif op == "recalculate":
async_res = recalculate_ended_sessions.delay(
pctx.course.id, opportunity.flow_id,
rule_tag)
return redirect("relate-monitor_task", async_res.id)
else:
raise SuspiciousOperation("invalid operation")
else:
batch_session_ops_form = ModifySessionsForm(session_rule_tags)
# }}}
# NOTE: It's important that these queries are sorted consistently,
# also consistently with the code below.
participations = list(Participation.objects
.filter(
course=pctx.course,
status=participation_status.active)
.order_by("id")
.select_related("user"))
grade_changes = list(GradeChange.objects
.filter(opportunity=opportunity)
.order_by(
"participation__id",
"grade_time")
.select_related("participation")
.select_related("participation__user")
.select_related("opportunity"))
idx = 0
finished_sessions = 0
total_sessions = 0
grade_table = []
for participation in participations:
while (
idx < len(grade_changes)
and grade_changes[idx].participation.id < participation.id):
idx += 1
my_grade_changes = []
while (
idx < len(grade_changes)
and grade_changes[idx].participation.pk == participation.pk):
my_grade_changes.append(grade_changes[idx])
idx += 1
state_machine = GradeStateMachine()
state_machine.consume(my_grade_changes)
if opportunity.flow_id:
flow_sessions = (FlowSession.objects
.filter(
participation=participation,
flow_id=opportunity.flow_id,
)
.order_by("start_time"))
for fsession in flow_sessions:
total_sessions += 1
if not fsession.in_progress:
finished_sessions += 1
else:
flow_sessions = None
grade_table.append(
OpportunityGradeInfo(
grade_state_machine=state_machine,
flow_sessions=flow_sessions))
def grade_key(entry):
(participation, grades) = entry
return (participation.user.last_name.lower(),
participation.user.first_name.lower())
grade_table = sorted(zip(participations, grade_table),
key=grade_key)
return render_course_page(pctx, "course/gradebook-by-opp.html", {
"opportunity": opportunity,
"participations": participations,
"grade_state_change_types": grade_state_change_types,
"grade_table": grade_table,
"batch_session_ops_form": batch_session_ops_form,
"total_sessions": total_sessions,
"finished_sessions": finished_sessions,
})
def get_grade_table(course):
# NOTE: It's important that these queries are sorted consistently,
# also consistently with the code below.
grading_opps = list((GradingOpportunity.objects
.filter(
course=course,
shown_in_grade_book=True,
)
.order_by("identifier")))
participations = list(Participation.objects
.filter(
course=course,
status=participation_status.active)
.order_by("id")
.select_related("user"))
grade_changes = list(GradeChange.objects
.filter(
opportunity__course=course,
opportunity__shown_in_grade_book=True)
.order_by(
"participation__id",
"opportunity__identifier",
"grade_time")
.select_related("participation")
.select_related("participation__user")
.select_related("opportunity"))
idx = 0
grade_table = []
for participation in participations:
while (
idx < len(grade_changes)
and grade_changes[idx].participation.id < participation.id):
idx += 1
grade_row = []
for opp in grading_opps:
while (
idx < len(grade_changes)
and grade_changes[idx].participation.pk == participation.pk
and grade_changes[idx].opportunity.identifier < opp.identifier
):
idx += 1
my_grade_changes = []
while (
idx < len(grade_changes)
and grade_changes[idx].opportunity.pk == opp.pk
and grade_changes[idx].participation.pk == participation.pk):
my_grade_changes.append(grade_changes[idx])
idx += 1
state_machine = GradeStateMachine()
state_machine.consume(my_grade_changes)
grade_row.append(
GradeInfo(
opportunity=opp,
grade_state_machine=state_machine))
grade_table.append(grade_row)
return participations, grading_opps, grade_table
def view_single_grade(pctx, participation_id, opportunity_id):
from course.views import get_now_or_fake_time
now_datetime = get_now_or_fake_time(pctx.request)
participation = get_object_or_404(Participation,
id=int(participation_id))
if participation.course != pctx.course:
raise SuspiciousOperation("participation does not match course")
opportunity = get_object_or_404(GradingOpportunity, id=int(opportunity_id))
if pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant]:
if not opportunity.shown_in_grade_book:
messages.add_message(pctx.request, messages.INFO,
"This grade is not shown in the grade book.")
if not opportunity.shown_in_student_grade_book:
messages.add_message(pctx.request, messages.INFO,
"This grade is not shown in the student grade book.")
elif pctx.role == participation_role.student:
if participation != pctx.participation:
raise PermissionDenied("may not view other people's grades")
if not (opportunity.shown_in_grade_book
and opportunity.shown_in_student_grade_book):
raise PermissionDenied("grade has not been released")
else:
raise PermissionDenied()
# {{{ modify sessions buttons
if pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant]:
allow_session_actions = True
request = pctx.request
if pctx.request.method == "POST":
action_re = re.compile("^(expire|end|reopen|regrade)_([0-9]+)$")
for key in request.POST.keys():
action_match = action_re.match(key)
if action_match:
break
if not action_match:
raise SuspiciousOperation("unknown action")
session = FlowSession.objects.get(id=int(action_match.group(2)))
op = action_match.group(1)
from course.flow import (
reopen_session,
regrade_session,
expire_flow_session_standalone,
finish_flow_session_standalone)
try:
if op == "expire":
expire_flow_session_standalone(
pctx.repo, pctx.course, session, now_datetime)
messages.add_message(pctx.request, messages.SUCCESS,
"Session expired.")
elif op == "end":
finish_flow_session_standalone(
pctx.repo, pctx.course, session,
now_datetime=now_datetime)
messages.add_message(pctx.request, messages.SUCCESS,
"Session ended.")
elif op == "regrade":
regrade_session(
pctx.repo, pctx.course, session)
messages.add_message(pctx.request, messages.SUCCESS,
"Session regraded.")
elif op == "reopen":
reopen_session(session)
messages.add_message(pctx.request, messages.SUCCESS,
"Session reopened.")
else:
raise SuspiciousOperation("invalid session operation")
except Exception as e:
messages.add_message(pctx.request, messages.ERROR,
"Error: %s %s" % (type(e).__name__, str(e)))
else:
allow_session_actions = False
# }}}
grade_changes = list(GradeChange.objects
.filter(
opportunity=opportunity,
participation=participation)
.order_by("grade_time")
.prefetch_related("participation")
.prefetch_related("participation__user")
.prefetch_related("creator")
.prefetch_related("opportunity"))
state_machine = GradeStateMachine()
state_machine.consume(grade_changes, set_is_superseded=True)
flow_grade_aggregation_strategy_text = None
if opportunity.flow_id:
flow_sessions = list(FlowSession.objects
.filter(
participation=participation,
flow_id=opportunity.flow_id,
)
.order_by("start_time"))
# {{{ fish out grade rules
from course.content import get_flow_desc
flow_desc = get_flow_desc(
pctx.repo, pctx.course, opportunity.flow_id,
pctx.course_commit_sha)
from course.utils import (
get_flow_access_rules,
get_relevant_rules)
all_flow_rules = get_flow_access_rules(pctx.course,
participation, opportunity.flow_id, flow_desc)
relevant_flow_rules = get_relevant_rules(
all_flow_rules, pctx.participation.role, now())
if hasattr(flow_desc, "grade_aggregation_strategy"):
from course.models import GRADE_AGGREGATION_STRATEGY_CHOICES
flow_grade_aggregation_strategy_text = (
dict(GRADE_AGGREGATION_STRATEGY_CHOICES)
[flow_desc.grade_aggregation_strategy])
# }}}
else:
flow_sessions = None
relevant_flow_rules = None
return render_course_page(pctx, "course/gradebook-single.html", {
"opportunity": opportunity,
"grade_participation": participation,
"grade_state_change_types": grade_state_change_types,
"grade_changes": grade_changes,
"state_machine": state_machine,
"flow_sessions": flow_sessions,
"allow_session_actions": allow_session_actions,
"show_page_grades": pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant
],
"flow_rules": relevant_flow_rules,
"flow_grade_aggregation_strategy": flow_grade_aggregation_strategy_text,
})
def view_grades_by_opportunity(pctx, opp_id):
from course.views import get_now_or_fake_time
now_datetime = get_now_or_fake_time(pctx.request)
if pctx.role not in [
participation_role.instructor,
participation_role.teaching_assistant]:
raise PermissionDenied("must be instructor or TA to view grades")
opportunity = get_object_or_404(GradingOpportunity, id=int(opp_id))
if pctx.course != opportunity.course:
raise SuspiciousOperation("opportunity from wrong course")
# {{{ batch sessions form
batch_session_ops_form = None
if pctx.role == participation_role.instructor and opportunity.flow_id:
cursor = connection.cursor()
cursor.execute("select distinct access_rules_id from course_flowsession "
"where course_id = %s and flow_id = %s "
"order by access_rules_id", (pctx.course.id, opportunity.flow_id))
rule_ids = [mangle_rule_id(row[0]) for row in cursor.fetchall()]
request = pctx.request
if request.method == "POST":
batch_session_ops_form = ModifySessionsForm(
rule_ids, request.POST, request.FILES)
if "expire" in request.POST:
op = "expire"
elif "end" in request.POST:
op = "end"
elif "regrade" in request.POST:
op = "regrade"
else:
raise SuspiciousOperation("invalid operation")
if batch_session_ops_form.is_valid():
rule_id = batch_session_ops_form.cleaned_data["rule_id"]
past_end_only = batch_session_ops_form.cleaned_data["past_end_only"]
if rule_id == RULE_ID_NONE_STRING:
rule_id = None
try:
if op == "expire":
count = expire_in_progress_sessions(
pctx.repo, pctx.course, opportunity.flow_id,
rule_id, now_datetime,
past_end_only=past_end_only)
messages.add_message(pctx.request, messages.SUCCESS,
"%d session(s) expired." % count)
elif op == "end":
count = finish_in_progress_sessions(
pctx.repo, pctx.course, opportunity.flow_id,
rule_id, now_datetime,
past_end_only=past_end_only)
messages.add_message(pctx.request, messages.SUCCESS,
"%d session(s) ended." % count)
elif op == "regrade":
count = regrade_ended_sessions(
pctx.repo, pctx.course, opportunity.flow_id,
rule_id)
messages.add_message(pctx.request, messages.SUCCESS,
"%d session(s) regraded." % count)
else:
raise SuspiciousOperation("invalid operation")
except Exception as e:
messages.add_message(pctx.request, messages.ERROR,
"Error: %s %s" % (type(e).__name__, str(e)))
else:
batch_session_ops_form = ModifySessionsForm(rule_ids)
# }}}
# NOTE: It's important that these queries are sorted consistently,
# also consistently with the code below.
participations = list(Participation.objects
.filter(
course=pctx.course,
status=participation_status.active)
.order_by("id")
.prefetch_related("user"))
grade_changes = list(GradeChange.objects
.filter(opportunity=opportunity)
.order_by(
"participation__id",
"grade_time")
.prefetch_related("participation")
.prefetch_related("participation__user")
.prefetch_related("opportunity"))
idx = 0
grade_table = []
for participation in participations:
while (
idx < len(grade_changes)
and grade_changes[idx].participation.id < participation.id):
idx += 1
my_grade_changes = []
while (
idx < len(grade_changes)
and grade_changes[idx].participation.pk == participation.pk):
my_grade_changes.append(grade_changes[idx])
idx += 1
state_machine = GradeStateMachine()
state_machine.consume(my_grade_changes)
if opportunity.flow_id:
flow_sessions = (FlowSession.objects
.filter(
participation=participation,
flow_id=opportunity.flow_id,
)
.order_by("start_time"))
else:
flow_sessions = None
grade_table.append(
OpportunityGradeInfo(
grade_state_machine=state_machine,
flow_sessions=flow_sessions))
grade_table = sorted(zip(participations, grade_table),
key=lambda (participation, grades):
(participation.user.last_name.lower(),
participation.user.first_name.lower()))
return render_course_page(pctx, "course/gradebook-by-opp.html", {
"opportunity": opportunity,
"participations": participations,
"grade_state_change_types": grade_state_change_types,
"grade_table": grade_table,
"batch_session_ops_form": batch_session_ops_form,
})
def view_gradebook(pctx):
if pctx.role not in [
participation_role.instructor,
participation_role.teaching_assistant]:
raise PermissionDenied("must be instructor or TA to view grades")
# NOTE: It's important that these queries are sorted consistently,
# also consistently with the code below.
grading_opps = list((GradingOpportunity.objects
.filter(
course=pctx.course,
shown_in_grade_book=True,
)
.order_by("identifier")))
participations = list(Participation.objects
.filter(
course=pctx.course,
status=participation_status.active)
.order_by("id")
.prefetch_related("user"))
grade_changes = list(GradeChange.objects
.filter(
opportunity__course=pctx.course,
opportunity__shown_in_grade_book=True)
.order_by(
"participation__id",
"opportunity__identifier",
"grade_time")
.prefetch_related("participation")
.prefetch_related("participation__user")
.prefetch_related("opportunity"))
idx = 0
grade_table = []
for participation in participations:
while (
idx < len(grade_changes)
and grade_changes[idx].participation.id < participation.id):
idx += 1
grade_row = []
for opp in grading_opps:
while (
idx < len(grade_changes)
and grade_changes[idx].participation.pk == participation.pk
and grade_changes[idx].opportunity.identifier < opp.identifier
):
idx += 1
my_grade_changes = []
while (
idx < len(grade_changes)
and grade_changes[idx].opportunity.pk == opp.pk
and grade_changes[idx].participation.pk == participation.pk):
my_grade_changes.append(grade_changes[idx])
idx += 1
state_machine = GradeStateMachine()
state_machine.consume(my_grade_changes)
grade_row.append(
GradeInfo(
opportunity=opp,
grade_state_machine=state_machine))
grade_table.append(grade_row)
grade_table = sorted(zip(participations, grade_table),
key=lambda (participation, grades):
(participation.user.last_name.lower(),
participation.user.first_name.lower()))
return render_course_page(pctx, "course/gradebook.html", {
"grade_table": grade_table,
"grading_opportunities": grading_opps,
"participations": participations,
"grade_state_change_types": grade_state_change_types,
})
def view_single_grade(pctx, participation_id, opportunity_id):
participation = get_object_or_404(Participation,
id=int(participation_id))
if participation.course != pctx.course:
raise SuspiciousOperation("participation does not match course")
if pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant]:
pass
elif pctx.role == participation_role.student:
if participation != pctx.participation:
raise PermissionDenied("may not view other people's grades")
else:
raise PermissionDenied()
opportunity = get_object_or_404(GradingOpportunity, id=int(opportunity_id))
# {{{ modify sessions form
if pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant]:
allow_session_actions = True
request = pctx.request
if pctx.request.method == "POST":
action_re = re.compile("^(end|reopen|regrade)_([0-9]+)$")
for key in request.POST.keys():
action_match = action_re.match(key)
if action_match:
break
if not action_match:
raise SuspiciousOperation("unknown action")
session = FlowSession.objects.get(id=int(action_match.group(2)))
op = action_match.group(1)
from course.flow import (
reopen_session,
regrade_session,
finish_flow_session_standalone)
try:
if op == "end":
finish_flow_session_standalone(
pctx.repo, pctx.course, session)
messages.add_message(pctx.request, messages.SUCCESS,
"Session ended.")
elif op == "regrade":
regrade_session(
pctx.repo, pctx.course, session)
messages.add_message(pctx.request, messages.SUCCESS,
"Session regraded.")
elif op == "reopen":
reopen_session(session)
messages.add_message(pctx.request, messages.SUCCESS,
"Session reopened.")
else:
raise SuspiciousOperation("invalid session operation")
except Exception as e:
messages.add_message(pctx.request, messages.ERROR,
"Error: %s %s" % (type(e), str(e)))
else:
allow_session_actions = False
# }}}
grade_changes = list(GradeChange.objects
.filter(
opportunity=opportunity,
participation=participation)
.order_by("grade_time")
.prefetch_related("participation")
.prefetch_related("participation__user")
.prefetch_related("creator")
.prefetch_related("opportunity"))
state_machine = GradeStateMachine()
state_machine.consume(grade_changes, set_is_superseded=True)
if opportunity.flow_id is not None:
flow_sessions = list(FlowSession.objects
.filter(
participation=participation,
flow_id=opportunity.flow_id,
)
.order_by("start_time"))
else:
flow_sessions = None
return render_course_page(pctx, "course/gradebook-single.html", {
"opportunity": opportunity,
"grade_participation": participation,
"grade_state_change_types": grade_state_change_types,
"grade_changes": grade_changes,
"state_machine": state_machine,
"flow_sessions": flow_sessions,
"allow_session_actions": allow_session_actions,
"show_page_grades": pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant
],
})
def view_single_grade(pctx, participation_id, opportunity_id):
from course.views import get_now_or_fake_time
now_datetime = get_now_or_fake_time(pctx.request)
participation = get_object_or_404(Participation,
id=int(participation_id))
if participation.course != pctx.course:
raise SuspiciousOperation("participation does not match course")
opportunity = get_object_or_404(GradingOpportunity, id=int(opportunity_id))
if pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant]:
if not opportunity.shown_in_grade_book:
messages.add_message(pctx.request, messages.INFO,
"This grade is not shown in the grade book.")
if not opportunity.shown_in_student_grade_book:
messages.add_message(pctx.request, messages.INFO,
"This grade is not shown in the student grade book.")
elif pctx.role == participation_role.student:
if participation != pctx.participation:
raise PermissionDenied("may not view other people's grades")
if not (opportunity.shown_in_grade_book
and opportunity.shown_in_student_grade_book):
raise PermissionDenied("grade has not been released")
else:
raise PermissionDenied()
# {{{ modify sessions buttons
if pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant]:
allow_session_actions = True
request = pctx.request
if pctx.request.method == "POST":
action_re = re.compile("^([a-z]+)_([0-9]+)$")
for key in request.POST.keys():
action_match = action_re.match(key)
if action_match:
break
if not action_match:
raise SuspiciousOperation("unknown action")
session = FlowSession.objects.get(id=int(action_match.group(2)))
op = action_match.group(1)
from course.flow import (
reopen_session,
regrade_session,
recalculate_session_grade,
expire_flow_session_standalone,
finish_flow_session_standalone)
try:
if op == "expire":
expire_flow_session_standalone(
pctx.repo, pctx.course, session, now_datetime)
messages.add_message(pctx.request, messages.SUCCESS,
"Session expired.")
elif op == "end":
finish_flow_session_standalone(
pctx.repo, pctx.course, session,
now_datetime=now_datetime)
messages.add_message(pctx.request, messages.SUCCESS,
"Session ended.")
elif op == "reopen":
reopen_session(session)
messages.add_message(pctx.request, messages.SUCCESS,
"Session reopened.")
elif op == "regrade":
regrade_session(
pctx.repo, pctx.course, session)
messages.add_message(pctx.request, messages.SUCCESS,
"Session regraded.")
elif op == "recalculate":
recalculate_session_grade(
pctx.repo, pctx.course, session)
messages.add_message(pctx.request, messages.SUCCESS,
"Session grade recalculated.")
else:
raise SuspiciousOperation("invalid session operation")
except Exception as e:
messages.add_message(pctx.request, messages.ERROR,
"Error: %s %s" % (type(e).__name__, str(e)))
else:
allow_session_actions = False
# }}}
grade_changes = list(GradeChange.objects
.filter(
opportunity=opportunity,
participation=participation)
.order_by("grade_time")
.select_related("participation")
.select_related("participation__user")
.select_related("creator")
.select_related("opportunity"))
state_machine = GradeStateMachine()
state_machine.consume(grade_changes, set_is_superseded=True)
flow_grade_aggregation_strategy_text = None
if opportunity.flow_id:
flow_sessions = list(FlowSession.objects
.filter(
participation=participation,
flow_id=opportunity.flow_id,
)
.order_by("start_time"))
from collections import namedtuple
SessionProperties = namedtuple("SessionProperties",
["due", "grade_description"])
from course.utils import get_session_grading_rule
from course.content import get_flow_desc
flow_desc = get_flow_desc(pctx.repo, pctx.course,
opportunity.flow_id, pctx.course_commit_sha)
flow_sessions_and_session_properties = []
for session in flow_sessions:
grading_rule = get_session_grading_rule(
session, pctx.role, flow_desc, now_datetime)
session_properties = SessionProperties(
due=grading_rule.due,
grade_description=grading_rule.description)
flow_sessions_and_session_properties.append(
(session, session_properties))
else:
flow_sessions_and_session_properties = None
return render_course_page(pctx, "course/gradebook-single.html", {
"opportunity": opportunity,
"grade_participation": participation,
"grade_state_change_types": grade_state_change_types,
"grade_changes": grade_changes,
"state_machine": state_machine,
"flow_sessions_and_session_properties": flow_sessions_and_session_properties,
"allow_session_actions": allow_session_actions,
"show_privileged_info": pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant
],
"flow_grade_aggregation_strategy": flow_grade_aggregation_strategy_text,
})
def view_participant_grades(pctx, participation_id=None):
if pctx.participation is None:
raise PermissionDenied("must be enrolled to view grades")
if participation_id is not None:
grade_participation = Participation.objects.get(id=int(participation_id))
else:
grade_participation = pctx.participation
if pctx.role in [
participation_role.instructor,
participation_role.teaching_assistant]:
is_student_viewing = False
elif pctx.role == participation_role.student:
if grade_participation != pctx.participation:
raise PermissionDenied("may not view other people's grades")
is_student_viewing = True
else:
raise PermissionDenied()
# NOTE: It's important that these two queries are sorted consistently,
# also consistently with the code below.
grading_opps = list((GradingOpportunity.objects
.filter(
course=pctx.course,
shown_in_grade_book=True,
)
.order_by("identifier")))
grade_changes = list(GradeChange.objects
.filter(
participation=grade_participation,
opportunity__course=pctx.course,
opportunity__shown_in_grade_book=True)
.order_by(
"participation__id",
"opportunity__identifier",
"grade_time")
.select_related("participation")
.select_related("participation__user")
.select_related("opportunity"))
idx = 0
grade_table = []
for opp in grading_opps:
if is_student_viewing:
if not (opp.shown_in_grade_book
and opp.shown_in_student_grade_book):
continue
else:
if not opp.shown_in_grade_book:
continue
while (
idx < len(grade_changes)
and grade_changes[idx].opportunity.identifier < opp.identifier
):
idx += 1
my_grade_changes = []
while (
idx < len(grade_changes)
and grade_changes[idx].opportunity.pk == opp.pk):
my_grade_changes.append(grade_changes[idx])
idx += 1
state_machine = GradeStateMachine()
state_machine.consume(my_grade_changes)
grade_table.append(
GradeInfo(
opportunity=opp,
grade_state_machine=state_machine))
return render_course_page(pctx, "course/gradebook-participant.html", {
"grade_table": grade_table,
"grade_participation": grade_participation,
"grading_opportunities": grading_opps,
"grade_state_change_types": grade_state_change_types,
})
def view_grades_by_opportunity(pctx, opp_id):
from course.views import get_now_or_fake_time
now_datetime = get_now_or_fake_time(pctx.request)
if pctx.role not in [
participation_role.instructor,
participation_role.teaching_assistant]:
raise PermissionDenied("must be instructor or TA to view grades")
opportunity = get_object_or_404(GradingOpportunity, id=int(opp_id))
if pctx.course != opportunity.course:
raise SuspiciousOperation("opportunity from wrong course")
# {{{ batch sessions form
batch_session_ops_form = None
if pctx.role == participation_role.instructor and opportunity.flow_id:
cursor = connection.cursor()
cursor.execute("select distinct access_rules_tag from course_flowsession "
"where course_id = %s and flow_id = %s "
"order by access_rules_tag", (pctx.course.id, opportunity.flow_id))
session_rule_tags = [
mangle_session_access_rule_tag(row[0]) for row in cursor.fetchall()]
request = pctx.request
if request.method == "POST":
batch_session_ops_form = ModifySessionsForm(
session_rule_tags, request.POST, request.FILES)
if "expire" in request.POST:
op = "expire"
elif "end" in request.POST:
op = "end"
elif "regrade" in request.POST:
op = "regrade"
elif "recalculate" in request.POST:
op = "recalculate"
else:
raise SuspiciousOperation("invalid operation")
if batch_session_ops_form.is_valid():
rule_tag = batch_session_ops_form.cleaned_data["rule_tag"]
past_due_only = batch_session_ops_form.cleaned_data["past_due_only"]
if rule_tag == RULE_TAG_NONE_STRING:
rule_tag = None
try:
if op == "expire":
count = expire_in_progress_sessions(
pctx.repo, pctx.course, opportunity.flow_id,
rule_tag, now_datetime,
past_due_only=past_due_only)
messages.add_message(pctx.request, messages.SUCCESS,
"%d session(s) expired." % count)
elif op == "end":
count = finish_in_progress_sessions(
pctx.repo, pctx.course, opportunity.flow_id,
rule_tag, now_datetime,
past_due_only=past_due_only)
messages.add_message(pctx.request, messages.SUCCESS,
"%d session(s) ended." % count)
elif op == "regrade":
count = regrade_ended_sessions(
pctx.repo, pctx.course, opportunity.flow_id,
rule_tag)
messages.add_message(pctx.request, messages.SUCCESS,
"%d session(s) regraded." % count)
elif op == "recalculate":
count = recalculate_ended_sessions(
pctx.repo, pctx.course, opportunity.flow_id,
rule_tag)
messages.add_message(pctx.request, messages.SUCCESS,
"Grade recalculated for %d session(s)." % count)
else:
raise SuspiciousOperation("invalid operation")
except Exception as e:
messages.add_message(pctx.request, messages.ERROR,
"Error: %s %s" % (type(e).__name__, str(e)))
raise
else:
batch_session_ops_form = ModifySessionsForm(session_rule_tags)
# }}}
# NOTE: It's important that these queries are sorted consistently,
# also consistently with the code below.
participations = list(Participation.objects
.filter(
course=pctx.course,
status=participation_status.active)
.order_by("id")
.select_related("user"))
grade_changes = list(GradeChange.objects
.filter(opportunity=opportunity)
.order_by(
"participation__id",
"grade_time")
.select_related("participation")
.select_related("participation__user")
.select_related("opportunity"))
idx = 0
finished_sessions = 0
total_sessions = 0
grade_table = []
for participation in participations:
while (
idx < len(grade_changes)
and grade_changes[idx].participation.id < participation.id):
idx += 1
my_grade_changes = []
while (
idx < len(grade_changes)
and grade_changes[idx].participation.pk == participation.pk):
my_grade_changes.append(grade_changes[idx])
idx += 1
state_machine = GradeStateMachine()
state_machine.consume(my_grade_changes)
if opportunity.flow_id:
flow_sessions = (FlowSession.objects
.filter(
participation=participation,
flow_id=opportunity.flow_id,
)
.order_by("start_time"))
for fsession in flow_sessions:
total_sessions += 1
if not fsession.in_progress:
finished_sessions += 1
else:
flow_sessions = None
grade_table.append(
OpportunityGradeInfo(
grade_state_machine=state_machine,
flow_sessions=flow_sessions))
grade_table = sorted(zip(participations, grade_table),
key=lambda (participation, grades):
(participation.user.last_name.lower(),
participation.user.first_name.lower()))
return render_course_page(pctx, "course/gradebook-by-opp.html", {
"opportunity": opportunity,
"participations": participations,
"grade_state_change_types": grade_state_change_types,
"grade_table": grade_table,
"batch_session_ops_form": batch_session_ops_form,
"total_sessions": total_sessions,
"finished_sessions": finished_sessions,
})