def flow_analytics(pctx, flow_id):
if pctx.role not in [
participation_role.teaching_assistant,
participation_role.instructor,
participation_role.observer,
]:
raise PermissionDenied(_("must be at least TA to view analytics"))
restrict_to_first_attempt = int(
bool(pctx.request.GET.get("restrict_to_first_attempt") == "1"))
try:
stats_list = make_page_answer_stats_list(pctx, flow_id,
restrict_to_first_attempt)
except ObjectDoesNotExist:
messages.add_message(pctx.request, messages.ERROR,
_("Flow '%s' was not found in the repository, but it exists in "
"the database--maybe it was deleted?")
% flow_id)
raise http.Http404()
return render_course_page(pctx, "course/analytics-flow.html", {
"flow_identifier": flow_id,
"grade_histogram": make_grade_histogram(pctx, flow_id),
"page_answer_stats_list": stats_list,
"time_histogram": make_time_histogram(pctx, flow_id),
"participant_count": count_participants(pctx, flow_id),
"restrict_to_first_attempt": restrict_to_first_attempt,
})
def test_flow(pctx):
if not pctx.has_permission(pperm.test_flow):
raise PermissionDenied()
from course.content import list_flow_ids
flow_ids = list_flow_ids(pctx.repo, pctx.course_commit_sha)
request = pctx.request
if request.method == "POST":
form = FlowTestForm(flow_ids, request.POST, request.FILES)
if "test" not in request.POST:
raise SuspiciousOperation(_("invalid operation"))
if form.is_valid():
return redirect("relate-view_start_flow",
pctx.course.identifier,
form.cleaned_data["flow_id"])
else:
form = FlowTestForm(flow_ids)
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Test Flow"),
})
def grant_exception(pctx):
if pctx.role not in [
participation_role.instructor,
participation_role.teaching_assistant]:
raise PermissionDenied("must be instructor or TA to grant exceptions")
from course.content import list_flow_ids
flow_ids = list_flow_ids(pctx.repo, pctx.course_commit_sha)
request = pctx.request
if request.method == "POST":
form = ExceptionStage1Form(pctx.course, flow_ids, request.POST)
if form.is_valid():
return redirect("course.views.grant_exception_stage_2",
pctx.course.identifier,
form.cleaned_data["participation"].id,
form.cleaned_data["flow_id"])
else:
form = ExceptionStage1Form(pctx.course, flow_ids)
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": "Grant Exception",
})
def course_page(pctx):
from course.content import get_processed_course_chunks
chunks = get_processed_course_chunks(
pctx.course, pctx.repo, pctx.course_commit_sha, pctx.course_desc,
pctx.role, get_now_or_fake_time(pctx.request),
facilities=pctx.request.relate_facilities)
show_enroll_button = (
pctx.course.accepts_enrollment
and pctx.role == participation_role.unenrolled)
if pctx.request.user.is_authenticated() and Participation.objects.filter(
user=pctx.request.user,
course=pctx.course,
status=participation_status.requested).count():
show_enroll_button = False
messages.add_message(pctx.request, messages.INFO,
_("Your enrollment request is pending. You will be "
"notified once it has been acted upon."))
return render_course_page(pctx, "course/course-page.html", {
"chunks": chunks,
"show_enroll_button": show_enroll_button,
})
def course_page(pctx):
from course.content import get_processed_course_chunks
chunks = get_processed_course_chunks(
pctx.course, pctx.repo, pctx.course_commit_sha, pctx.course_desc,
pctx.role, get_now_or_fake_time(pctx.request))
return render_course_page(pctx, "course/course-page.html", {
"chunks": chunks,
})
def create_recurring_events(pctx):
if not pctx.has_permission(pperm.edit_events):
raise PermissionDenied(_("may not edit events"))
request = pctx.request
if request.method == "POST":
form = RecurringEventForm(request.POST, request.FILES)
if form.is_valid():
if form.cleaned_data["starting_ordinal"] is not None:
starting_ordinal = form.cleaned_data["starting_ordinal"]
starting_ordinal_specified = True
else:
starting_ordinal = 1
starting_ordinal_specified = False
while True:
try:
_create_recurring_events_backend(
course=pctx.course,
time=form.cleaned_data["time"],
kind=form.cleaned_data["kind"],
starting_ordinal=starting_ordinal,
interval=form.cleaned_data["interval"],
count=form.cleaned_data["count"],
duration_in_minutes=(form.cleaned_data["duration_in_minutes"]),
)
except EventAlreadyExists as e:
if starting_ordinal_specified:
messages.add_message(
request,
messages.ERROR,
string_concat("%(err_type)s: %(err_str)s. ", _("No events created."))
% {"err_type": type(e).__name__, "err_str": str(e)},
)
else:
starting_ordinal += 10
continue
except Exception as e:
messages.add_message(
request,
messages.ERROR,
string_concat("%(err_type)s: %(err_str)s. ", _("No events created."))
% {"err_type": type(e).__name__, "err_str": str(e)},
)
else:
messages.add_message(request, messages.SUCCESS, _("Events created."))
break
else:
form = RecurringEventForm()
return render_course_page(
pctx, "course/generic-course-form.html", {"form": form, "form_description": _("Create recurring events")}
)
def render_finish_response(template, **kwargs):
render_args = {
"flow_identifier": fctx.flow_identifier,
"flow_desc": fctx.flow_desc,
}
render_args.update(kwargs)
return render_course_page(
pctx, template, render_args,
allow_instant_flow_requests=False)
def course_page(pctx):
# type: (CoursePageContext) -> http.HttpResponse
from course.content import get_processed_page_chunks, get_course_desc
page_desc = get_course_desc(pctx.repo, pctx.course, pctx.course_commit_sha)
chunks = get_processed_page_chunks(
pctx.course, pctx.repo, pctx.course_commit_sha, page_desc,
pctx.role_identifiers(), get_now_or_fake_time(pctx.request),
facilities=pctx.request.relate_facilities)
show_enroll_button = (
pctx.course.accepts_enrollment
and pctx.participation is None)
if pctx.request.user.is_authenticated and Participation.objects.filter(
user=pctx.request.user,
course=pctx.course,
status=participation_status.requested).count():
show_enroll_button = False
messages.add_message(pctx.request, messages.INFO,
_("Your enrollment request is pending. You will be "
"notified once it has been acted upon."))
from course.models import ParticipationPreapproval
if ParticipationPreapproval.objects.filter(
course=pctx.course).exclude(institutional_id=None).count():
if not pctx.request.user.institutional_id:
from django.urls import reverse
messages.add_message(pctx.request, messages.WARNING,
_("This course uses institutional ID for "
"enrollment preapproval, please <a href='%s' "
"role='button' class='btn btn-md btn-primary'>"
"fill in your institutional ID »"
"</a> in your profile.")
% (
reverse("relate-user_profile")
+ "?referer="
+ pctx.request.path
+ "&set_inst_id=1"
)
)
else:
if pctx.course.preapproval_require_verified_inst_id:
messages.add_message(pctx.request, messages.WARNING,
_("Your institutional ID is not verified or "
"preapproved. Please contact your course "
"staff.")
)
return render_course_page(pctx, "course/course-page.html", {
"chunks": chunks,
"show_enroll_button": show_enroll_button,
})
def flow_analytics(pctx, flow_identifier):
if pctx.role not in [
participation_role.teaching_assistant,
participation_role.instructor]:
raise PermissionDenied("must be at least TA to view analytics")
return render_course_page(pctx, "course/analytics-flow.html", {
"flow_identifier": flow_identifier,
"grade_histogram": make_grade_histogram(pctx, flow_identifier),
"page_answer_stats_list": make_page_answer_stats_list(pctx, flow_identifier),
"time_histogram": make_time_histogram(pctx, flow_identifier),
})
def create_preapprovals(pctx):
if pctx.role != participation_role.instructor:
raise PermissionDenied(_("only instructors may do that"))
request = pctx.request
if request.method == "POST":
form = BulkPreapprovalsForm(request.POST)
if form.is_valid():
created_count = 0
exist_count = 0
role = form.cleaned_data["role"]
for l in form.cleaned_data["emails"].split("\n"):
l = l.strip()
if not l:
continue
try:
preapproval = ParticipationPreapproval.objects.get(
email__iexact=l,
course=pctx.course)
except ParticipationPreapproval.DoesNotExist:
pass
else:
exist_count += 1
continue
preapproval = ParticipationPreapproval()
preapproval.email = l
preapproval.course = pctx.course
preapproval.role = role
preapproval.creator = request.user
preapproval.save()
created_count += 1
messages.add_message(request, messages.INFO,
_("%(n_created)d preapprovals created, "
"%(n_exist)d already existed.") % {
'n_created': created_count,
'n_exist': exist_count})
return redirect("relate-home")
else:
form = BulkPreapprovalsForm()
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Create Participation Preapprovals"),
})
def manage_instant_flow_requests(pctx):
if pctx.role != participation_role.instructor:
raise PermissionDenied(
_("must be instructor to manage instant flow requests"))
from course.content import list_flow_ids
flow_ids = list_flow_ids(pctx.repo, pctx.course_commit_sha)
request = pctx.request
if request.method == "POST":
form = InstantFlowRequestForm(flow_ids, request.POST, request.FILES)
if "add" in request.POST:
op = "add"
elif "cancel" in request.POST:
op = "cancel"
else:
raise SuspiciousOperation(_("invalid operation"))
now_datetime = get_now_or_fake_time(pctx.request)
if form.is_valid():
if op == "add":
from datetime import timedelta
ifr = InstantFlowRequest()
ifr.course = pctx.course
ifr.flow_id = form.cleaned_data["flow_id"]
ifr.start_time = now_datetime
ifr.end_time = (
now_datetime + timedelta(
minutes=form.cleaned_data["duration_in_minutes"]))
ifr.save()
elif op == "cancel":
(InstantFlowRequest.objects
.filter(
course=pctx.course,
start_time__lte=now_datetime,
end_time__gte=now_datetime,
cancelled=False)
.order_by("start_time")
.update(cancelled=True))
else:
raise SuspiciousOperation(_("invalid operation"))
else:
form = InstantFlowRequestForm(flow_ids)
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Manage Instant Flow Requests"),
})
def flow_list(pctx):
if not pctx.has_permission(pperm.view_analytics):
raise PermissionDenied(_("may not view analytics"))
cursor = connection.cursor()
cursor.execute("select distinct flow_id from course_flowsession "
"where course_id=%s order by flow_id",
[pctx.course.id])
flow_ids = [row[0] for row in cursor.fetchall()]
return render_course_page(pctx, "course/analytics-flows.html", {
"flow_ids": flow_ids,
})
def view_markup_sandbox(pctx):
if pctx.role not in [
participation_role.instructor,
participation_role.teaching_assistant]:
raise PermissionDenied(
ugettext("must be instructor or TA to access sandbox"))
request = pctx.request
preview_text = ""
from course.models import get_user_status
ustatus = get_user_status(request.user)
def make_form(data=None):
help_text = (ugettext("Enter <a href=\"http://documen.tician.de/"
"relate/content.html#relate-markup\">"
"RELATE markup</a>."))
return SandboxForm(
None, "markdown", ustatus.editor_mode,
help_text,
data)
if request.method == "POST":
form = make_form(request.POST)
if form.is_valid():
from course.content import markup_to_html
try:
preview_text = markup_to_html(
pctx.course, pctx.repo, pctx.course_commit_sha,
form.cleaned_data["content"])
except:
import sys
tp, e, _ = sys.exc_info()
messages.add_message(pctx.request, messages.ERROR,
ugettext("Markup failed to render")
+ ": "
+ "%(err_type)s: %(err_str)s" % {
"err_type": tp.__name__, "err_str": e})
form = make_form(request.POST)
else:
form = make_form()
return render_course_page(pctx, "course/sandbox-markup.html", {
"form": form,
"preview_text": preview_text,
})
def create_recurring_events(pctx):
if pctx.role != participation_role.instructor:
raise PermissionDenied("only instructors may do that")
request = pctx.request
if request.method == "POST":
form = RecurringEventForm(request.POST, request.FILES)
if form.is_valid():
time = form.cleaned_data["time"]
ordinal = form.cleaned_data["starting_ordinal"]
interval = form.cleaned_data["interval"]
import datetime
for i in xrange(form.cleaned_data["count"]):
evt = Event()
evt.course = pctx.course
evt.kind = form.cleaned_data["kind"]
evt.ordinal = ordinal
evt.time = time
if form.cleaned_data["duration_in_minutes"]:
evt.end_time = evt.time + datetime.timedelta(
minutes=form.cleaned_data["duration_in_minutes"])
evt.save()
if interval == "weekly":
date = time.date()
date += datetime.timedelta(weeks=1)
time = time.tzinfo.localize(
datetime.datetime(date.year, date.month, date.day,
time.hour, time.minute, time.second))
del date
else:
raise ValueError("unknown interval: %s" % interval)
ordinal += 1
messages.add_message(request, messages.SUCCESS,
"Events created.")
else:
form = RecurringEventForm()
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": "Create recurring events",
})
def import_grades(pctx):
if pctx.role != participation_role.instructor:
raise PermissionDenied()
form_text = ""
request = pctx.request
if request.method == "POST":
form = ImportGradesForm(
pctx.course, request.POST, request.FILES)
is_import = "import" in request.POST
if form.is_valid():
try:
grade_changes = csv_to_grade_changes(
course=pctx.course,
grading_opportunity=form.cleaned_data["grading_opportunity"],
attempt_id=form.cleaned_data["attempt_id"],
file_contents=request.FILES["file"],
id_column=form.cleaned_data["id_column"],
points_column=form.cleaned_data["points_column"],
feedback_column=form.cleaned_data["feedback_column"],
max_points=form.cleaned_data["max_points"],
creator=request.user,
grade_time=now(),
has_header=form.cleaned_data["format"] == "csvhead")
except Exception as e:
messages.add_message(pctx.request, messages.ERROR,
"Error: %s %s" % (type(e).__name__, str(e)))
else:
if is_import:
GradeChange.objects.bulk_create(grade_changes)
messages.add_message(pctx.request, messages.SUCCESS,
"%d grades imported." % len(grade_changes))
else:
from django.template.loader import render_to_string
form_text = render_to_string(
"course/grade-import-preview.html", {
"grade_changes": grade_changes,
})
else:
form = ImportGradesForm(pctx.course)
return render_course_page(pctx, "course/generic-course-form.html", {
"form_description": "Import Grade Data",
"form": form,
"form_text": form_text,
})
def renumber_events(pctx):
if pctx.role not in [
participation_role.instructor,
participation_role.teaching_assistant]:
raise PermissionDenied(_("only instructors and TAs may do that"))
request = pctx.request
if request.method == "POST":
form = RenumberEventsForm(request.POST, request.FILES)
if form.is_valid():
events = list(Event.objects
.filter(course=pctx.course, kind=form.cleaned_data["kind"])
.order_by('time'))
if events:
queryset = (Event.objects
.filter(course=pctx.course, kind=form.cleaned_data["kind"]))
queryset.delete()
ordinal = form.cleaned_data["starting_ordinal"]
for event in events:
new_event = Event()
new_event.course = pctx.course
new_event.kind = form.cleaned_data["kind"]
new_event.ordinal = ordinal
new_event.time = event.time
new_event.end_time = event.end_time
new_event.all_day = event.all_day
new_event.shown_in_calendar = event.shown_in_calendar
new_event.save()
ordinal += 1
messages.add_message(request, messages.SUCCESS,
_("Events renumbered."))
else:
messages.add_message(request, messages.ERROR,
_("No events found."))
else:
form = RenumberEventsForm()
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Renumber events"),
})
def view_grading_opportunity_list(pctx):
if pctx.role not in [
participation_role.instructor,
participation_role.teaching_assistant]:
raise PermissionDenied(_("must be instructor or TA to view grades"))
grading_opps = list((GradingOpportunity.objects
.filter(
course=pctx.course,
shown_in_grade_book=True,
)
.order_by("identifier")))
return render_course_page(pctx, "course/gradebook-opp-list.html", {
"grading_opps": grading_opps,
})
def flow_list(pctx):
if pctx.role not in [
participation_role.teaching_assistant,
participation_role.instructor]:
raise PermissionDenied("must be at least TA to view analytics")
cursor = connection.cursor()
cursor.execute("select distinct flow_id from course_flowsession "
"where course_id=%s order by flow_id",
[pctx.course.id])
flow_ids = [row[0] for row in cursor.fetchall()]
return render_course_page(pctx, "course/analytics-flows.html", {
"flow_ids": flow_ids,
})
def view_participant_list(pctx):
if pctx.role not in [
participation_role.instructor,
participation_role.teaching_assistant]:
raise PermissionDenied(_("must be instructor or TA to view grades"))
participations = list(Participation.objects
.filter(
course=pctx.course,
status=participation_status.active)
.order_by("id")
.select_related("user"))
return render_course_page(pctx, "course/gradebook-participant-list.html", {
"participations": participations,
})
def static_page(pctx, page_path):
from course.content import get_staticpage_desc, get_processed_page_chunks
try:
page_desc = get_staticpage_desc(pctx.repo, pctx.course,
pctx.course_commit_sha, "staticpages/"+page_path+".yml")
except ObjectDoesNotExist:
raise http.Http404()
chunks = get_processed_page_chunks(
pctx.course, pctx.repo, pctx.course_commit_sha, page_desc,
pctx.role, get_now_or_fake_time(pctx.request),
facilities=pctx.request.relate_facilities)
return render_course_page(pctx, "course/static-page.html", {
"chunks": chunks,
"show_enroll_button": False,
})
def regrade_not_for_credit_flows_view(pctx):
if pctx.role != participation_role.instructor:
raise PermissionDenied(_("must be instructor to regrade flows"))
from course.content import list_flow_ids
flow_ids = list_flow_ids(pctx.repo, pctx.course_commit_sha)
request = pctx.request
if request.method == "POST":
form = RegradeFlowForm(flow_ids, request.POST, request.FILES)
if form.is_valid():
sessions = FlowSession.objects.filter(course=pctx.course, flow_id=form.cleaned_data["flow_id"])
if form.cleaned_data["access_rules_tag"]:
sessions = sessions.filter(access_rules_tag=form.cleaned_data["access_rules_tag"])
inprog_value = {"any": None, "yes": True, "no": False}[form.cleaned_data["regraded_session_in_progress"]]
if inprog_value is not None:
sessions = sessions.filter(in_progress=inprog_value)
count = _regrade_sessions(pctx.repo, pctx.course, sessions)
messages.add_message(request, messages.SUCCESS, _("%d sessions regraded.") % count)
else:
form = RegradeFlowForm(flow_ids)
return render_course_page(
pctx,
"course/generic-course-form.html",
{
"form": form,
"form_text": string_concat(
"<p>",
_(
"This regrading process is only intended for flows that do"
"not show up in the grade book. If you would like to regrade"
"for-credit flows, use the corresponding functionality in "
"the grade book."
),
"</p>",
),
"form_description": _("Regrade not-for-credit Flow Sessions"),
},
)
def edit_course(pctx):
if not pctx.has_permission(pperm.edit_course):
raise PermissionDenied()
request = pctx.request
if request.method == 'POST':
form = EditCourseForm(request.POST, instance=pctx.course)
if form.is_valid():
form.save()
else:
form = EditCourseForm(instance=pctx.course)
return render_course_page(pctx, "course/generic-course-form.html", {
"form_description": _("Edit Course"),
"form": form
})
def view_markup_sandbox(pctx):
if not pctx.has_permission(pperm.use_markup_sandbox):
raise PermissionDenied()
request = pctx.request
preview_text = ""
def make_form(data=None):
help_text = (ugettext("Enter <a href=\"http://documen.tician.de/"
"relate/content.html#relate-markup\">"
"RELATE markup</a>."))
return SandboxForm(
None, "markdown", request.user.editor_mode,
help_text,
data)
if request.method == "POST" and "preview" in request.POST:
form = make_form(request.POST)
if form.is_valid():
from course.content import markup_to_html
try:
preview_text = markup_to_html(
pctx.course, pctx.repo, pctx.course_commit_sha,
form.cleaned_data["content"])
except:
import sys
tp, e, _ = sys.exc_info()
messages.add_message(pctx.request, messages.ERROR,
ugettext("Markup failed to render")
+ ": "
+ "%(err_type)s: %(err_str)s" % {
"err_type": tp.__name__, "err_str": e})
form = make_form(request.POST)
else:
form = make_form()
return render_course_page(pctx, "course/sandbox-markup.html", {
"form": form,
"preview_text": preview_text,
})
def view_markup_sandbox(pctx):
request = pctx.request
preview_text = ""
def make_form(data=None):
help_text = ("Enter <a href=\"http://documen.tician.de/"
"courseflow/content.html#courseflow-markup\">"
"CourseFlow markup</a>.")
return SandboxForm(
None, "markdown", vim_mode,
help_text,
data)
vim_mode = pctx.request.session.get(CF_SANDBOX_VIM_MODE, False)
if request.method == "POST":
form = make_form(request.POST)
if form.is_valid():
pctx.request.session[CF_SANDBOX_VIM_MODE] = \
vim_mode = form.cleaned_data["vim_mode"]
from course.content import markup_to_html
try:
preview_text = markup_to_html(
pctx.course, pctx.repo, pctx.course_commit_sha,
form.cleaned_data["content"])
except:
import sys
tp, e, _ = sys.exc_info()
messages.add_message(pctx.request, messages.ERROR,
"Markup failed to render: "
"%s: %s" % (tp.__name__, e))
form = make_form(request.POST)
else:
form = make_form()
return render_course_page(pctx, "course/sandbox-markup.html", {
"form": form,
"preview_text": preview_text,
})
def renumber_events(pctx):
if pctx.role != participation_role.instructor:
raise PermissionDenied("only instructors may do that")
request = pctx.request
if request.method == "POST":
form = RenumberEventsForm(request.POST, request.FILES)
if form.is_valid():
labels = list(Event.objects
.filter(course=pctx.course, kind=form.cleaned_data["kind"])
.order_by('time'))
if labels:
queryset = (Event.objects
.filter(course=pctx.course, kind=form.cleaned_data["kind"]))
queryset.delete()
ordinal = form.cleaned_data["starting_ordinal"]
for label in labels:
new_label = Event()
new_label.course = pctx.course
new_label.kind = form.cleaned_data["kind"]
new_label.ordinal = ordinal
new_label.time = label.time
new_label.save()
ordinal += 1
messages.add_message(request, messages.SUCCESS,
"Events renumbered.")
else:
messages.add_message(request, messages.ERROR,
"No events found.")
else:
form = RenumberEventsForm()
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": "Renumber events",
})
def grant_exception_stage_2(pctx, participation_id, flow_id):
if pctx.role not in [
participation_role.instructor,
participation_role.teaching_assistant]:
raise PermissionDenied("must be instructor or TA to grant exceptions")
participation = get_object_or_404(Participation, id=participation_id)
from course.content import get_flow_desc
try:
flow_desc = get_flow_desc(pctx.repo, pctx.course, flow_id,
pctx.course_commit_sha)
except ObjectDoesNotExist:
raise http.Http404()
if not hasattr(flow_desc, "access_rules"):
messages.add_message(pctx.request, messages.ERROR,
"Flow '%s' does not declare access rules."
% flow_id)
return redirect("course.views.grant_exception",
pctx.course.identifier)
base_ruleset_choices = [rule.id for rule in flow_desc.access_rules]
request = pctx.request
if request.method == "POST":
form = ExceptionStage2Form(base_ruleset_choices, request.POST)
if form.is_valid():
return redirect(
"course.views.grant_exception_stage_3",
pctx.course.identifier,
participation.id,
flow_id,
form.cleaned_data["base_ruleset"])
else:
form = ExceptionStage2Form(base_ruleset_choices)
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": "Grant Exception",
})
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"))
participations, grading_opps, grade_table = get_grade_table(pctx.course)
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 flow_analytics(pctx, flow_id):
if pctx.role not in [
participation_role.teaching_assistant,
participation_role.instructor,
participation_role.observer,
]:
raise PermissionDenied(_("must be at least TA to view analytics"))
restrict_to_first_attempt = int(
bool(pctx.request.GET.get("restrict_to_first_attempt") == "1"))
return render_course_page(pctx, "course/analytics-flow.html", {
"flow_identifier": flow_id,
"grade_histogram": make_grade_histogram(pctx, flow_id),
"page_answer_stats_list": make_page_answer_stats_list(pctx, flow_id,
restrict_to_first_attempt),
"time_histogram": make_time_histogram(pctx, flow_id),
"participant_count": count_participants(pctx, flow_id),
"restrict_to_first_attempt": restrict_to_first_attempt,
})
def renumber_events(pctx):
if not pctx.has_permission(pperm.edit_events):
raise PermissionDenied(_("may not edit events"))
request = pctx.request
if request.method == "POST":
form = RenumberEventsForm(request.POST, request.FILES)
if form.is_valid():
events = list(Event.objects.filter(course=pctx.course, kind=form.cleaned_data["kind"]).order_by("time"))
if events:
queryset = Event.objects.filter(course=pctx.course, kind=form.cleaned_data["kind"])
queryset.delete()
ordinal = form.cleaned_data["starting_ordinal"]
for event in events:
new_event = Event()
new_event.course = pctx.course
new_event.kind = form.cleaned_data["kind"]
new_event.ordinal = ordinal
new_event.time = event.time
new_event.end_time = event.end_time
new_event.all_day = event.all_day
new_event.shown_in_calendar = event.shown_in_calendar
new_event.save()
ordinal += 1
messages.add_message(request, messages.SUCCESS, _("Events renumbered."))
else:
messages.add_message(request, messages.ERROR, _("No events found."))
else:
form = RenumberEventsForm()
return render_course_page(
pctx, "course/generic-course-form.html", {"form": form, "form_description": _("Renumber events")}
)
def check_events(pctx):
if pctx.role != participation_role.instructor:
raise PermissionDenied("only instructors may do that")
invalid_datespecs = {}
from course.content import InvalidDatespec, parse_date_spec
def datespec_callback(location, datespec):
try:
parse_date_spec(pctx.course, datespec, return_now_on_error=False)
except InvalidDatespec as e:
invalid_datespecs.setdefault(e.datespec, []).append(location)
from course.validation import validate_course_content
validate_course_content(
pctx.repo, pctx.course.course_file, pctx.course.events_file,
pctx.course_commit_sha, datespec_callback=datespec_callback)
return render_course_page(pctx, "course/invalid-datespec-list.html", {
"invalid_datespecs": sorted(invalid_datespecs.iteritems()),
})
def static_page(pctx, page_path):
# type: (CoursePageContext, Text) -> http.HttpResponse
from course.content import get_staticpage_desc, get_processed_page_chunks
try:
page_desc = get_staticpage_desc(pctx.repo, pctx.course,
pctx.course_commit_sha,
"staticpages/" + page_path + ".yml")
except ObjectDoesNotExist:
raise http.Http404()
chunks = get_processed_page_chunks(
pctx.course,
pctx.repo,
pctx.course_commit_sha,
page_desc,
pctx.role_identifiers(),
get_now_or_fake_time(pctx.request),
facilities=pctx.request.relate_facilities)
return render_course_page(pctx, "course/static-page.html", {
"chunks": chunks,
"show_enroll_button": False
})
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"))
participations, grading_opps, grade_table = get_grade_table(pctx.course)
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.html", {
"grade_table": grade_table,
"grading_opportunities": grading_opps,
"participations": participations,
"grade_state_change_types": grade_state_change_types,
})
def test_flow(pctx):
if not pctx.has_permission(pperm.test_flow):
raise PermissionDenied()
from course.content import list_flow_ids
flow_ids = list_flow_ids(pctx.repo, pctx.course_commit_sha)
request = pctx.request
if request.method == "POST":
form = FlowTestForm(flow_ids, request.POST, request.FILES)
if "test" not in request.POST:
raise SuspiciousOperation(_("invalid operation"))
if form.is_valid():
return redirect("relate-view_start_flow", pctx.course.identifier,
form.cleaned_data["flow_id"])
else:
form = FlowTestForm(flow_ids)
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Test Flow"),
})
def grant_exception(pctx):
if not pctx.has_permission(pperm.grant_exception):
raise PermissionDenied(_("may not grant exceptions"))
from course.content import list_flow_ids
flow_ids = list_flow_ids(pctx.repo, pctx.course_commit_sha)
request = pctx.request
if request.method == "POST":
form = ExceptionStage1Form(pctx.course, flow_ids, request.POST)
if form.is_valid():
return redirect("relate-grant_exception_stage_2",
pctx.course.identifier,
form.cleaned_data["participation"].id,
form.cleaned_data["flow_id"])
else:
form = ExceptionStage1Form(pctx.course, flow_ids)
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Grant Exception"),
})
def update_course(pctx):
if not (pctx.has_permission(pperm.update_content)
or pctx.has_permission(pperm.preview_content)):
raise PermissionDenied()
course = pctx.course
request = pctx.request
content_repo = pctx.repo
from course.content import SubdirRepoWrapper
if isinstance(content_repo, SubdirRepoWrapper):
repo = content_repo.repo
else:
repo = content_repo
participation = pctx.participation
previewing = bool(participation is not None
and participation.preview_git_commit_sha)
may_update = pctx.has_permission(pperm.update_content)
response_form = None
form = None
if request.method == "POST":
form = GitUpdateForm(may_update, previewing, repo, request.POST,
request.FILES)
command = None
for cmd in ALLOWED_COURSE_REVISIOIN_COMMANDS:
if cmd in form.data:
command = cmd
break
if command is None:
raise SuspiciousOperation(_("invalid command"))
if form.is_valid():
new_sha = form.cleaned_data["new_sha"].encode()
try:
run_course_update_command(
request,
repo,
content_repo,
pctx,
command,
new_sha,
may_update,
prevent_discarding_revisions=form.
cleaned_data["prevent_discarding_revisions"])
except Exception as e:
import traceback
traceback.print_exc()
messages.add_message(
pctx.request, messages.ERROR,
string_concat(
pgettext("Starting of Error message", "Error"),
": %(err_type)s %(err_str)s") % {
"err_type": type(e).__name__,
"err_str": str(e)
})
else:
response_form = form
if response_form is None:
previewing = bool(participation is not None
and participation.preview_git_commit_sha)
form = GitUpdateForm(
may_update, previewing, repo, {
"new_sha": repo.head().decode(),
"prevent_discarding_revisions": True,
})
from django.template.loader import render_to_string
form_text = render_to_string(
"course/git-sha-table.html", {
"participation":
participation,
"is_previewing":
previewing,
"course":
course,
"repo":
repo,
"current_git_head":
repo.head().decode(),
"git_url":
request.build_absolute_uri(
reverse("relate-git_endpoint", args=(course.identifier, ""))),
"token_url":
reverse("relate-manage_authentication_tokens",
args=(course.identifier, )),
})
assert form is not None
return render_course_page(
pctx, "course/generic-course-form.html", {
"form": form,
"form_text": form_text,
"form_description": gettext("Update Course Revision"),
})
def grade_flow_page(pctx, flow_session_id, page_ordinal):
# type: (CoursePageContext, int, int) -> http.HttpResponse
now_datetime = get_now_or_fake_time(pctx.request)
page_ordinal = int(page_ordinal)
viewing_prev_grade = False
prev_grade_id = pctx.request.GET.get("grade_id")
if prev_grade_id is not None:
try:
prev_grade_id = int(prev_grade_id)
viewing_prev_grade = True
except ValueError:
raise SuspiciousOperation("non-integer passed for 'grade_id'")
if not pctx.has_permission(pperm.view_gradebook):
raise PermissionDenied(_("may not view grade book"))
flow_session = get_object_or_404(FlowSession, id=int(flow_session_id))
if flow_session.course.pk != pctx.course.pk:
raise SuspiciousOperation(
_("Flow session not part of specified course"))
if flow_session.participation is None:
raise SuspiciousOperation(_("Cannot grade anonymous session"))
from course.flow import adjust_flow_session_page_data
adjust_flow_session_page_data(pctx.repo,
flow_session,
pctx.course.identifier,
respect_preview=False)
fpctx = FlowPageContext(pctx.repo,
pctx.course,
flow_session.flow_id,
page_ordinal,
participation=flow_session.participation,
flow_session=flow_session,
request=pctx.request)
if fpctx.page_desc is None:
raise http.Http404()
assert fpctx.page is not None
assert fpctx.page_context is not None
# {{{ enable flow session zapping
all_flow_sessions = list(
FlowSession.objects.filter(course=pctx.course,
flow_id=flow_session.flow_id,
participation__isnull=False,
in_progress=flow_session.in_progress).
order_by(
# Datatables will default to sorting the user list
# by the first column, which happens to be the username.
# Match that sorting.
"participation__user__username",
"start_time"))
next_flow_session_id = None
prev_flow_session_id = None
for i, other_flow_session in enumerate(all_flow_sessions):
if other_flow_session.pk == flow_session.pk:
if i > 0:
prev_flow_session_id = all_flow_sessions[i - 1].id
if i + 1 < len(all_flow_sessions):
next_flow_session_id = all_flow_sessions[i + 1].id
# }}}
prev_grades = get_prev_visit_grades(pctx.course_identifier,
flow_session_id, page_ordinal)
# {{{ reproduce student view
form = None
feedback = None
answer_data = None
grade_data = None
shown_grade = None
page_expects_answer = fpctx.page.expects_answer()
if page_expects_answer:
if fpctx.prev_answer_visit is not None and prev_grade_id is None:
answer_data = fpctx.prev_answer_visit.answer
shown_grade = fpctx.prev_answer_visit.get_most_recent_grade()
if shown_grade is not None:
feedback = get_feedback_for_grade(shown_grade)
grade_data = shown_grade.grade_data
else:
feedback = None
grade_data = None
if shown_grade is not None:
prev_grade_id = shown_grade.id
elif prev_grade_id is not None:
try:
shown_grade = prev_grades.filter(id=prev_grade_id).get()
except ObjectDoesNotExist:
raise http.Http404()
feedback = get_feedback_for_grade(shown_grade)
grade_data = shown_grade.grade_data
answer_data = shown_grade.visit.answer
else:
feedback = None
from course.page.base import PageBehavior
page_behavior = PageBehavior(show_correctness=True,
show_answer=False,
may_change_answer=False)
try:
form = fpctx.page.make_form(fpctx.page_context,
fpctx.page_data.data, answer_data,
page_behavior)
except InvalidPageData as e:
messages.add_message(
pctx.request, messages.ERROR,
_("The page data stored in the database was found "
"to be invalid for the page as given in the "
"course content. Likely the course content was "
"changed in an incompatible way (say, by adding "
"an option to a choice question) without changing "
"the question ID. The precise error encountered "
"was the following: ") + str(e))
return render_course_page(pctx, "course/course-base.html", {})
if form is not None:
form_html = fpctx.page.form_to_html(pctx.request, fpctx.page_context,
form, answer_data)
else:
form_html = None
# }}}
# {{{ grading form
if (page_expects_answer and fpctx.page.is_answer_gradable()
and fpctx.prev_answer_visit is not None
and not flow_session.in_progress and not viewing_prev_grade):
request = pctx.request
if pctx.request.method == "POST":
if not pctx.has_permission(pperm.assign_grade):
raise PermissionDenied(_("may not assign grades"))
grading_form = fpctx.page.post_grading_form(
fpctx.page_context, fpctx.page_data, grade_data, request.POST,
request.FILES)
if grading_form.is_valid():
grade_data = fpctx.page.update_grade_data_from_grading_form_v2(
request, fpctx.page_context, fpctx.page_data, grade_data,
grading_form, request.FILES)
from course.utils import LanguageOverride
with LanguageOverride(pctx.course):
feedback = fpctx.page.grade(fpctx.page_context,
fpctx.page_data.data,
answer_data, grade_data)
if feedback is not None:
correctness = feedback.correctness
else:
correctness = None
feedback_json = None # type: Optional[Dict[Text, Any]]
bulk_feedback_json = None # type: Optional[Dict[Text, Any]]
if feedback is not None:
feedback_json, bulk_feedback_json = feedback.as_json()
else:
feedback_json = bulk_feedback_json = None
most_recent_grade = FlowPageVisitGrade(
visit=fpctx.prev_answer_visit,
grader=pctx.request.user,
graded_at_git_commit_sha=pctx.course_commit_sha,
grade_data=grade_data,
max_points=fpctx.page.max_points(fpctx.page_data),
correctness=correctness,
feedback=feedback_json)
prev_grade_id = _save_grade(fpctx, flow_session,
most_recent_grade,
bulk_feedback_json, now_datetime)
else:
grading_form = fpctx.page.make_grading_form(
fpctx.page_context, fpctx.page_data, grade_data)
else:
grading_form = None
grading_form_html = None # type: Optional[Text]
if grading_form is not None:
from crispy_forms.layout import Submit
grading_form.helper.form_class += " relate-grading-form"
grading_form.helper.add_input(
Submit("submit",
_("Submit"),
accesskey="s",
css_class="relate-grading-save-button"))
grading_form_html = fpctx.page.grading_form_to_html(
pctx.request, fpctx.page_context, grading_form, grade_data)
# }}}
# {{{ compute points_awarded
max_points = None
points_awarded = None
if (page_expects_answer and fpctx.page.is_answer_gradable()):
max_points = fpctx.page.max_points(fpctx.page_data)
if feedback is not None and feedback.correctness is not None:
points_awarded = max_points * feedback.correctness
# }}}
grading_rule = get_session_grading_rule(flow_session, fpctx.flow_desc,
get_now_or_fake_time(pctx.request))
if grading_rule.grade_identifier is not None:
grading_opportunity = get_flow_grading_opportunity(
pctx.course, flow_session.flow_id, fpctx.flow_desc,
grading_rule.grade_identifier, grading_rule.
grade_aggregation_strategy) # type: Optional[GradingOpportunity]
else:
grading_opportunity = None
return render_course_page(
pctx,
"course/grade-flow-page.html",
{
"flow_identifier":
fpctx.flow_id,
"flow_session":
flow_session,
"flow_desc":
fpctx.flow_desc,
"page_ordinal":
fpctx.page_ordinal,
"page_data":
fpctx.page_data,
"body":
fpctx.page.body(fpctx.page_context, fpctx.page_data.data),
"form":
form,
"form_html":
form_html,
"feedback":
feedback,
"max_points":
max_points,
"points_awarded":
points_awarded,
"shown_grade":
shown_grade,
"prev_grade_id":
prev_grade_id,
"expects_answer":
page_expects_answer,
"grading_opportunity":
grading_opportunity,
"prev_flow_session_id":
prev_flow_session_id,
"next_flow_session_id":
next_flow_session_id,
"grading_form":
grading_form,
"grading_form_html":
grading_form_html,
"correct_answer":
fpctx.page.correct_answer(fpctx.page_context, fpctx.page_data.data,
answer_data, grade_data),
# Wrappers used by JavaScript template (tmpl) so as not to
# conflict with Django template's tag wrapper
"JQ_OPEN":
'{%',
'JQ_CLOSE':
'%}',
})
def query_participations(pctx):
if (not pctx.has_permission(pperm.query_participation)
or pctx.has_permission(pperm.view_participant_masked_profile)):
raise PermissionDenied(_("may not query participations"))
request = pctx.request
result = None
if request.method == "POST":
form = ParticipationQueryForm(request.POST)
if form.is_valid():
parsed_query = None
try:
for lineno, q in enumerate(
form.cleaned_data["queries"].split("\n")):
q = q.strip()
if not q:
continue
parsed_subquery = parse_query(pctx.course, q)
if parsed_query is None:
parsed_query = parsed_subquery
else:
parsed_query = parsed_query | parsed_subquery
except Exception as e:
messages.add_message(
request, messages.ERROR,
_("Error in line %(lineno)d: %(error_type)s: %(error)s") %
{
"lineno": lineno + 1,
"error_type": type(e).__name__,
"error": str(e),
})
parsed_query = None
if parsed_query is not None:
result = list(
Participation.objects.filter(course=pctx.course).filter(
parsed_query).order_by("user__username").
select_related("user").prefetch_related("tags"))
if "apply" in request.POST:
if form.cleaned_data["op"] == "apply_tag":
ptag, __ = ParticipationTag.objects.get_or_create(
course=pctx.course, name=form.cleaned_data["tag"])
for p in result:
p.tags.add(ptag)
elif form.cleaned_data["op"] == "remove_tag":
ptag, __ = ParticipationTag.objects.get_or_create(
course=pctx.course, name=form.cleaned_data["tag"])
for p in result:
p.tags.remove(ptag)
elif form.cleaned_data["op"] == "drop":
for p in result:
p.status = participation_status.dropped
p.save()
else:
raise RuntimeError("unexpected operation")
messages.add_message(
request, messages.INFO,
"Operation successful on %d participations." %
len(result))
else:
form = ParticipationQueryForm()
return render_course_page(pctx, "course/query-participations.html", {
"form": form,
"result": result,
})
def send_instant_message(pctx):
if not pctx.has_permission(pperm.send_instant_message):
raise PermissionDenied(_("may not batch-download submissions"))
request = pctx.request
course = pctx.course
if not course.course_xmpp_id:
messages.add_message(
request, messages.ERROR,
_("Instant messaging is not enabled for this course."))
return redirect("relate-course_page", pctx.course_identifier)
xmpp = get_xmpp_connection(pctx.course)
if xmpp.is_recipient_online():
form_text = _("Recipient is <span class='label label-success'>"
"Online</span>.")
else:
form_text = _("Recipient is <span class='label label-danger'>"
"Offline</span>.")
form_text = "<div class='well'>%s</div>" % form_text
if request.method == "POST":
form = InstantMessageForm(request.POST, request.FILES)
if form.is_valid():
msg = InstantMessage()
msg.participation = pctx.participation
msg.text = form.cleaned_data["message"]
msg.save()
try:
if not course.recipient_xmpp_id:
raise RuntimeError(_("no recipient XMPP ID"))
if not course.course_xmpp_password:
raise RuntimeError(_("no XMPP password"))
xmpp.send_message(mto=course.recipient_xmpp_id,
mbody=form.cleaned_data["message"],
mtype='chat')
except Exception:
from traceback import print_exc
print_exc()
messages.add_message(
request, messages.ERROR,
_("An error occurred while sending the message. "
"Sorry."))
else:
messages.add_message(request, messages.SUCCESS,
_("Message sent."))
form = InstantMessageForm()
else:
form = InstantMessageForm()
return render_course_page(
pctx, "course/generic-course-form.html", {
"form": form,
"form_text": form_text,
"form_description": _("Send instant message"),
})
def show_grader_statistics(pctx, flow_id):
if not pctx.has_permission(pperm.view_grader_stats):
raise PermissionDenied(_("may not view grader stats"))
grades = (
FlowPageVisitGrade.objects.filter(
visit__flow_session__course=pctx.course,
visit__flow_session__flow_id=flow_id,
# There are just way too many autograder grades, which makes this
# report super slow.
grader__isnull=False).order_by(
"visit__id",
"grade_time").select_related("visit").select_related(
"grader").select_related("visit__page_data"))
graders = set()
# tuples: (page_ordinal, id)
pages = set()
counts = {}
grader_counts = {}
page_counts = {}
def commit_grade_info(grade):
grader = grade.grader
page = (grade.visit.page_data.page_ordinal,
grade.visit.page_data.group_id + "/" +
grade.visit.page_data.page_id)
graders.add(grader)
pages.add(page)
key = (page, grade.grader)
counts[key] = counts.get(key, 0) + 1
grader_counts[grader] = grader_counts.get(grader, 0) + 1
page_counts[page] = page_counts.get(page, 0) + 1
last_grade = None
for grade in grades.iterator():
if last_grade is not None and last_grade.visit != grade.visit:
commit_grade_info(last_grade)
last_grade = grade
if last_grade is not None:
commit_grade_info(last_grade)
graders = sorted(graders,
key=lambda grader: grader.last_name
if grader is not None else None)
pages = sorted(pages)
stats_table = [[counts.get((page, grader), 0) for grader in graders]
for page in pages]
page_counts = [page_counts.get(page, 0) for page in pages]
grader_counts = [grader_counts.get(grader, 0) for grader in graders]
return render_course_page(
pctx, "course/grading-statistics.html", {
"flow_id": flow_id,
"pages": pages,
"graders": graders,
"pages_stats_counts": list(zip(pages, stats_table, page_counts)),
"grader_counts": grader_counts,
})
def page_analytics(pctx, flow_id, group_id, page_id):
if pctx.role not in [
participation_role.teaching_assistant,
participation_role.instructor,
participation_role.observer,
]:
raise PermissionDenied(_("must be at least TA to view analytics"))
flow_desc = get_flow_desc(pctx.repo, pctx.course, flow_id,
pctx.course_commit_sha)
restrict_to_first_attempt = int(
bool(pctx.request.GET.get("restrict_to_first_attempt") == "1"))
is_multiple_submit = is_flow_multiple_submit(flow_desc)
page_cache = PageInstanceCache(pctx.repo, pctx.course, flow_id)
visits = (FlowPageVisit.objects
.filter(
flow_session__course=pctx.course,
flow_session__flow_id=flow_id,
page_data__group_id=group_id,
page_data__page_id=page_id,
is_submitted_answer=True,
))
if connection.features.can_distinct_on_fields:
if restrict_to_first_attempt:
visits = (visits
.distinct("flow_session__participation__id")
.order_by("flow_session__participation__id", "visit_time"))
elif is_multiple_submit:
visits = (visits
.distinct("page_data__id")
.order_by("page_data__id", "-visit_time"))
visits = (visits
.select_related("flow_session")
.select_related("page_data"))
normalized_answer_and_correctness_to_count = {}
title = None
body = None
total_count = 0
graded_count = 0
for visit in visits:
page = page_cache.get_page(group_id, page_id, pctx.course_commit_sha)
from course.page import PageContext
grading_page_context = PageContext(
course=pctx.course,
repo=pctx.repo,
commit_sha=pctx.course_commit_sha,
flow_session=visit.flow_session)
title = page.title(grading_page_context, visit.page_data.data)
body = page.body(grading_page_context, visit.page_data.data)
normalized_answer = page.normalized_answer(
grading_page_context, visit.page_data.data, visit.answer)
answer_feedback = visit.get_most_recent_feedback()
if answer_feedback is not None:
key = (normalized_answer, answer_feedback.correctness)
normalized_answer_and_correctness_to_count[key] = \
normalized_answer_and_correctness_to_count.get(key, 0) + 1
graded_count += 1
else:
key = (normalized_answer, None)
normalized_answer_and_correctness_to_count[key] = \
normalized_answer_and_correctness_to_count.get(key, 0) + 1
total_count += 1
answer_stats = []
for (normalized_answer, correctness), count in \
normalized_answer_and_correctness_to_count.iteritems():
answer_stats.append(
AnswerStats(
normalized_answer=normalized_answer,
correctness=correctness,
count=count,
percentage=safe_div(100 * count, total_count)))
answer_stats = sorted(
answer_stats,
key=lambda astats: astats.percentage,
reverse=True)
return render_course_page(pctx, "course/analytics-page.html", {
"flow_identifier": flow_id,
"group_id": group_id,
"page_id": page_id,
"title": title,
"body": body,
"answer_stats_list": answer_stats,
"restrict_to_first_attempt": restrict_to_first_attempt,
})
def send_instant_message(pctx):
if pctx.role not in [
participation_role.student, participation_role.teaching_assistant,
participation_role.instructor
]:
raise PermissionDenied("only enrolled folks may do that")
request = pctx.request
course = pctx.course
if not course.course_xmpp_id:
messages.add_message(
request, messages.ERROR,
"Instant messaging is not enabled for this course.")
return redirect("course.views.course_page", pctx.course_identifier)
xmpp = get_xmpp_connection(pctx.course)
if xmpp.is_recipient_online():
form_text = "Recipient is <span class=\"label label-success\">Online</span>."
else:
form_text = "Recipient is <span class=\"label label-danger\">Offline</span>."
form_text = "<div class=\"well\">%s</div>" % form_text
if request.method == "POST":
form = InstantMessageForm(request.POST, request.FILES)
if form.is_valid():
msg = InstantMessage()
msg.participation = pctx.participation
msg.text = form.cleaned_data["message"]
msg.save()
try:
if not course.recipient_xmpp_id:
raise RuntimeError("no recipient XMPP ID")
if not course.course_xmpp_password:
raise RuntimeError("no XMPP password")
xmpp.send_message(mto=course.recipient_xmpp_id,
mbody=form.cleaned_data["message"],
mtype='chat')
except Exception:
from traceback import print_exc
print_exc()
messages.add_message(
request, messages.ERROR,
"An error occurred while sending the message. Sorry.")
else:
messages.add_message(request, messages.SUCCESS,
"Message sent.")
form = InstantMessageForm()
else:
form = InstantMessageForm()
return render_course_page(
pctx, "course/generic-course-form.html", {
"form": form,
"form_text": form_text,
"form_description": "Send instant message",
})
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,
})
def renumber_events(pctx):
if not pctx.has_permission(pperm.edit_events):
raise PermissionDenied(_("may not edit events"))
request = pctx.request
message = None
message_level = None
if request.method == "POST":
form = RenumberEventsForm(
pctx.course.identifier, request.POST, request.FILES)
if form.is_valid():
kind = form.cleaned_data["kind"]
order_field = "time"
if form.cleaned_data["preserve_ordinal_order"]:
order_field = "ordinal"
events = list(
Event.objects.filter(
course=pctx.course, kind=kind,
# there might be event with the same kind but no ordinal,
# we don't renumber that
ordinal__isnull=False)
.order_by(order_field))
assert events
queryset = (Event.objects.filter(
course=pctx.course, kind=kind,
# there might be event with the same kind but no ordinal,
# we don't renumber that
ordinal__isnull=False))
queryset.delete()
ordinal = form.cleaned_data["starting_ordinal"]
for event in events:
new_event = Event()
new_event.course = pctx.course
new_event.kind = kind
new_event.ordinal = ordinal
new_event.time = event.time
new_event.end_time = event.end_time
new_event.all_day = event.all_day
new_event.shown_in_calendar = event.shown_in_calendar
new_event.save()
ordinal += 1
message = _("Events renumbered.")
message_level = messages.SUCCESS
else:
form = RenumberEventsForm(pctx.course.identifier)
if messages and message_level:
messages.add_message(request, message_level, message)
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Renumber events"),
})
def create_recurring_events(pctx):
if not pctx.has_permission(pperm.edit_events):
raise PermissionDenied(_("may not edit events"))
request = pctx.request
message = None
message_level = None
if request.method == "POST":
form = RecurringEventForm(
pctx.course.identifier, request.POST, request.FILES)
if form.is_valid():
if form.cleaned_data["starting_ordinal"] is not None:
starting_ordinal = form.cleaned_data["starting_ordinal"]
starting_ordinal_specified = True
else:
starting_ordinal = 1
starting_ordinal_specified = False
while True:
try:
_create_recurring_events_backend(
course=pctx.course,
time=form.cleaned_data["time"],
kind=form.cleaned_data["kind"],
starting_ordinal=starting_ordinal,
interval=form.cleaned_data["interval"],
count=form.cleaned_data["count"],
duration_in_minutes=(
form.cleaned_data["duration_in_minutes"]),
all_day=form.cleaned_data["all_day"],
shown_in_calendar=(
form.cleaned_data["shown_in_calendar"])
)
message = _("Events created.")
message_level = messages.SUCCESS
except EventAlreadyExists as e:
if starting_ordinal_specified:
message = (
string_concat(
"%(err_type)s: %(err_str)s. ",
_("No events created."))
% {
"err_type": type(e).__name__,
"err_str": str(e)})
message_level = messages.ERROR
else:
starting_ordinal += 10
continue
except Exception as e:
if isinstance(e, ValidationError):
for field, error in e.error_dict.items():
try:
form.add_error(field, error)
except ValueError:
# This happens when ValidationError were
# raised for fields which don't exist in
# RecurringEventForm
form.add_error(
"__all__", "'%s': %s" % (field, error))
else:
message = (
string_concat(
"%(err_type)s: %(err_str)s. ",
_("No events created."))
% {
"err_type": type(e).__name__,
"err_str": str(e)})
message_level = messages.ERROR
break
else:
form = RecurringEventForm(pctx.course.identifier)
if message and message_level:
messages.add_message(request, message_level, message)
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Create recurring events"),
})
def batch_issue_exam_tickets(pctx):
if not pctx.has_permission(pperm.batch_issue_exam_ticket):
raise PermissionDenied(_("may not batch-issue tickets"))
form_text = ""
request = pctx.request
if request.method == "POST":
form = BatchIssueTicketsForm(pctx.course, request.user.editor_mode,
request.POST)
if form.is_valid():
exam = form.cleaned_data["exam"]
from jinja2 import TemplateSyntaxError
from course.content import markup_to_html
try:
with transaction.atomic():
if form.cleaned_data["revoke_prior"]:
ExamTicket.objects.filter(
exam=exam,
state__in=(
exam_ticket_states.valid,
exam_ticket_states.used,
)).update(state=exam_ticket_states.revoked)
tickets = []
for participation in (Participation.objects.filter(
course=pctx.course,
status=participation_status.active).order_by(
"user__last_name")):
ticket = ExamTicket()
ticket.exam = exam
ticket.participation = participation
ticket.creator = request.user
ticket.state = exam_ticket_states.valid
ticket.code = gen_ticket_code()
ticket.valid_start_time = \
form.cleaned_data["valid_start_time"]
ticket.valid_end_time = form.cleaned_data[
"valid_end_time"]
ticket.restrict_to_facility = \
form.cleaned_data["restrict_to_facility"]
ticket.save()
tickets.append(ticket)
checkin_uri = pctx.request.build_absolute_uri(
reverse("relate-check_in_for_exam"))
form_text = markup_to_html(pctx.course,
pctx.repo,
pctx.course_commit_sha,
form.cleaned_data["format"],
jinja_env={
"tickets": tickets,
"checkin_uri": checkin_uri,
})
except TemplateSyntaxError as e:
messages.add_message(
request, messages.ERROR,
string_concat(_("Template rendering failed"),
": line %(lineno)d: %(err_str)s") % {
"lineno": e.lineno,
"err_str": e.message.decode("utf-8")
})
except Exception as e:
messages.add_message(
request, messages.ERROR,
string_concat(_("Template rendering failed"),
": %(err_type)s: %(err_str)s") % {
"err_type": type(e).__name__,
"err_str": str(e)
})
else:
messages.add_message(request, messages.SUCCESS,
_("%d tickets issued.") % len(tickets))
else:
form = BatchIssueTicketsForm(pctx.course, request.user.editor_mode)
return render_course_page(
pctx, "course/batch-exam-tickets-form.html", {
"form": form,
"form_text": form_text,
"form_description": gettext("Batch-Issue Exam Tickets")
})
def view_page_sandbox(pctx):
from relate.utils import dict_to_struct
import yaml
PAGE_SESSION_KEY = "cf_validated_sandbox_page:" + pctx.course.identifier
ANSWER_DATA_SESSION_KEY = "cf_page_sandbox_answer_data:" + pctx.course.identifier
request = pctx.request
page_source = pctx.request.session.get(PAGE_SESSION_KEY)
page_errors = None
is_preview_post = (request.method == "POST" and "preview" in request.POST)
def make_form(data=None):
return SandboxForm(
page_source, "yaml", vim_mode,
"Enter YAML markup for a flow page.",
data)
vim_mode = pctx.request.session.get(CF_SANDBOX_VIM_MODE, False)
if is_preview_post:
edit_form = make_form(pctx.request.POST)
if edit_form.is_valid():
pctx.request.session[CF_SANDBOX_VIM_MODE] = \
vim_mode = edit_form.cleaned_data["vim_mode"]
try:
new_page_source = edit_form.cleaned_data["content"]
page_desc = dict_to_struct(yaml.load(new_page_source))
from course.validation import validate_flow_page, ValidationContext
vctx = ValidationContext(
repo=pctx.repo,
commit_sha=pctx.course_commit_sha)
validate_flow_page(vctx, "sandbox", page_desc)
except:
import sys
tp, e, _ = sys.exc_info()
page_errors = (
"Page failed to load/validate: "
"%s: %s" % (tp.__name__, e))
else:
# Yay, it did validate.
request.session[PAGE_SESSION_KEY] = page_source = new_page_source
del new_page_source
edit_form = make_form(pctx.request.POST)
else:
edit_form = make_form()
have_valid_page = page_source is not None
if have_valid_page:
page_desc = dict_to_struct(yaml.load(page_source))
from course.content import instantiate_flow_page
page = instantiate_flow_page("sandbox", pctx.repo, page_desc,
pctx.course_commit_sha)
page_data = page.make_page_data()
from course.page import PageContext
page_context = PageContext(
course=pctx.course,
repo=pctx.repo,
commit_sha=pctx.course_commit_sha,
flow_session=None)
title = page.title(page_context, page_data)
body = page.body(page_context, page_data)
# {{{ try to recover answer_data
answer_data = None
stored_answer_data_tuple = \
pctx.request.session.get(ANSWER_DATA_SESSION_KEY)
# Session storage uses JSON and may turn tuples into lists.
if (isinstance(stored_answer_data_tuple, (list, tuple))
and len(stored_answer_data_tuple) == 2):
stored_answer_data_page_id, stored_answer_data = \
stored_answer_data_tuple
if stored_answer_data_page_id == page_desc.id:
answer_data = stored_answer_data
# }}}
feedback = None
page_form_html = None
if page.expects_answer():
if request.method == "POST" and not is_preview_post:
page_form = page.post_form(page_context, page_data,
request.POST, request.FILES)
if page_form.is_valid():
answer_data = page.answer_data(page_context, page_data,
page_form, request.FILES)
feedback = page.grade(page_context, page_data, answer_data,
grade_data=None)
pctx.request.session[ANSWER_DATA_SESSION_KEY] = (
page_desc.id, answer_data)
else:
page_form = page.make_form(page_context, page_data,
answer_data, answer_is_final=False)
if page_form is not None:
page_form.helper.add_input(
Submit("submit", "Submit answer", accesskey="g",
css_class="col-lg-offset-2"))
page_form_html = page.form_to_html(
pctx.request, page_context, page_form, answer_data)
correct_answer = page.correct_answer(
page_context, page_data, answer_data,
grade_data=None)
return render_course_page(pctx, "course/sandbox-page.html", {
"edit_form": edit_form,
"page_errors": page_errors,
"form": edit_form, # to placate form.media
"have_valid_page": True,
"title": title,
"body": body,
"page_form_html": page_form_html,
"feedback": feedback,
"correct_answer": correct_answer,
})
else:
return render_course_page(pctx, "course/sandbox-page.html", {
"edit_form": edit_form,
"form": edit_form, # to placate form.media
"have_valid_page": False,
"page_errors": page_errors,
})
def grant_exception_stage_2(pctx, participation_id, flow_id):
# type: (CoursePageContext, Text, Text) -> http.HttpResponse
if not pctx.has_permission(pperm.grant_exception):
raise PermissionDenied(_("may not grant exceptions"))
# {{{ get flow data
participation = get_object_or_404(Participation, id=participation_id)
form_text = (string_concat(
"<div class='well'>",
ugettext("Granting exception to '%(participation)s' for "
"'%(flow_id)s'."), "</div>") % {
'participation': participation,
'flow_id': flow_id
})
from course.content import get_flow_desc
try:
flow_desc = get_flow_desc(pctx.repo, pctx.course, flow_id,
pctx.course_commit_sha)
except ObjectDoesNotExist:
raise http.Http404()
now_datetime = get_now_or_fake_time(pctx.request)
if hasattr(flow_desc, "rules"):
access_rules_tags = getattr(flow_desc.rules, "tags", [])
else:
access_rules_tags = []
NONE_SESSION_TAG = string_concat("<<<", _("NONE"), ">>>") # noqa
session_tag_choices = [(tag, tag) for tag in access_rules_tags] + [
(NONE_SESSION_TAG, string_concat("(", _("NONE"), ")"))
]
from course.utils import get_session_start_rule
session_start_rule = get_session_start_rule(pctx.course, participation,
flow_id, flow_desc,
now_datetime)
create_session_is_override = False
if not session_start_rule.may_start_new_session:
create_session_is_override = True
form_text += (
"<div class='alert alert-info'>%s</div>" % (string_concat(
"<i class='fa fa-info-circle'></i> ",
_("Creating a new session is (technically) not allowed "
"by course rules. Clicking 'Create Session' anyway will "
"override this rule."))))
default_tag = session_start_rule.tag_session
if default_tag is None:
default_tag = NONE_SESSION_TAG
# }}}
def find_sessions():
# type: () -> List[FlowSession]
return list(
FlowSession.objects.filter(participation=participation,
flow_id=flow_id).order_by("start_time"))
exception_form = None
request = pctx.request
if request.method == "POST":
exception_form = ExceptionStage2Form(find_sessions(), request.POST)
create_session_form = CreateSessionForm(session_tag_choices,
default_tag,
create_session_is_override,
request.POST)
if "create_session" in request.POST or "next" in request.POST:
pass
else:
raise SuspiciousOperation(_("invalid command"))
if create_session_form.is_valid() and "create_session" in request.POST:
from course.flow import start_flow
access_rules_tag = (
create_session_form.
cleaned_data["access_rules_tag_for_new_session"])
if access_rules_tag == NONE_SESSION_TAG:
access_rules_tag = None
start_flow(pctx.repo,
pctx.course,
participation,
user=participation.user,
flow_id=flow_id,
flow_desc=flow_desc,
session_start_rule=session_start_rule,
now_datetime=now_datetime)
exception_form = None
elif exception_form.is_valid(
) and "next" in request.POST: # type: ignore
return redirect(
"relate-grant_exception_stage_3", pctx.course.identifier,
participation.id, flow_id,
exception_form.cleaned_data["session"]) # type: ignore
else:
create_session_form = CreateSessionForm(session_tag_choices,
default_tag,
create_session_is_override)
if exception_form is None:
exception_form = ExceptionStage2Form(find_sessions())
return render_course_page(
pctx, "course/generic-course-form.html", {
"forms": [exception_form, create_session_form],
"form_text": form_text,
"form_description": _("Grant Exception"),
})
def create_recurring_events(pctx):
if not pctx.has_permission(pperm.edit_events):
raise PermissionDenied(_("may not edit events"))
request = pctx.request
if request.method == "POST":
form = RecurringEventForm(request.POST, request.FILES)
if form.is_valid():
if form.cleaned_data["starting_ordinal"] is not None:
starting_ordinal = form.cleaned_data["starting_ordinal"]
starting_ordinal_specified = True
else:
starting_ordinal = 1
starting_ordinal_specified = False
while True:
try:
_create_recurring_events_backend(
course=pctx.course,
time=form.cleaned_data["time"],
kind=form.cleaned_data["kind"],
starting_ordinal=starting_ordinal,
interval=form.cleaned_data["interval"],
count=form.cleaned_data["count"],
duration_in_minutes=(
form.cleaned_data["duration_in_minutes"]),
all_day=form.cleaned_data["all_day"],
shown_in_calendar=(
form.cleaned_data["shown_in_calendar"])
)
except EventAlreadyExists as e:
if starting_ordinal_specified:
messages.add_message(request, messages.ERROR,
string_concat(
"%(err_type)s: %(err_str)s. ",
_("No events created."))
% {
"err_type": type(e).__name__,
"err_str": str(e)})
else:
starting_ordinal += 10
continue
except Exception as e:
messages.add_message(request, messages.ERROR,
string_concat(
"%(err_type)s: %(err_str)s. ",
_("No events created."))
% {
"err_type": type(e).__name__,
"err_str": str(e)})
else:
messages.add_message(request, messages.SUCCESS,
_("Events created."))
break
else:
form = RecurringEventForm()
return render_course_page(pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Create recurring events"),
})
def manage_authentication_tokens(pctx):
# type: (http.HttpRequest) -> http.HttpResponse
request = pctx.request
if not request.user.is_authenticated:
raise PermissionDenied()
from course.views import get_now_or_fake_time
now_datetime = get_now_or_fake_time(request)
if request.method == 'POST':
form = AuthenticationTokenForm(pctx.participation, request.POST)
revoke_prefix = "revoke_"
revoke_post_args = [
key for key in request.POST if key.startswith("revoke_")
]
if revoke_post_args:
token_id = int(revoke_post_args[0][len(revoke_prefix):])
auth_token = get_object_or_404(AuthenticationToken,
id=token_id,
user=request.user)
auth_token.revocation_time = now_datetime
auth_token.save()
form = AuthenticationTokenForm(pctx.participation)
elif "create" in request.POST:
if form.is_valid():
token = make_sign_in_key(request.user)
from django.contrib.auth.hashers import make_password
auth_token = AuthenticationToken(
user=pctx.request.user,
participation=pctx.participation,
restrict_to_participation_role=form.
cleaned_data["restrict_to_participation_role"],
description=form.cleaned_data["description"],
valid_until=form.cleaned_data["valid_until"],
token_hash=make_password(token))
auth_token.save()
user_token = "%d_%s" % (auth_token.id, token)
messages.add_message(
request, messages.SUCCESS,
_("A new authentication token has been created: %s. "
"Please save this token, as you will not be able "
"to retrieve it later.") % user_token)
else:
messages.add_message(request, messages.ERROR,
_("Could not find which button was pressed."))
else:
form = AuthenticationTokenForm(pctx.participation)
from django.db.models import Q
from datetime import timedelta
tokens = AuthenticationToken.objects.filter(
user=request.user,
participation__course=pctx.course,
).filter(
Q(revocation_time=None)
| Q(revocation_time__gt=now_datetime - timedelta(weeks=1)))
return render_course_page(pctx, "course/manage-auth-tokens.html", {
"form": form,
"new_token_message": "",
"tokens": tokens,
})
def view_calendar(pctx):
from course.content import markup_to_html, parse_date_spec
from course.views import get_now_or_fake_time
now = get_now_or_fake_time(pctx.request)
if not pctx.has_permission(pperm.view_calendar):
raise PermissionDenied(_("may not view calendar"))
events_json = []
from course.content import get_raw_yaml_from_repo
try:
event_descr = get_raw_yaml_from_repo(pctx.repo,
pctx.course.events_file, pctx.course_commit_sha)
except ObjectDoesNotExist:
event_descr = {}
event_kinds_desc = event_descr.get("event_kinds", {})
event_info_desc = event_descr.get("events", {})
event_info_list = []
events = sorted(
Event.objects
.filter(
course=pctx.course,
shown_in_calendar=True),
key=lambda evt: (
-evt.time.year, -evt.time.month, -evt.time.day,
evt.time.hour, evt.time.minute, evt.time.second))
for event in events:
kind_desc = event_kinds_desc.get(event.kind)
human_title = six.text_type(event)
event_json = {
"id": event.id,
"start": event.time.isoformat(),
"allDay": event.all_day,
}
if event.end_time is not None:
event_json["end"] = event.end_time.isoformat()
if kind_desc is not None:
if "color" in kind_desc:
event_json["color"] = kind_desc["color"]
if "title" in kind_desc:
if event.ordinal is not None:
human_title = kind_desc["title"].format(nr=event.ordinal)
else:
human_title = kind_desc["title"]
description = None
show_description = True
event_desc = event_info_desc.get(six.text_type(event))
if event_desc is not None:
if "description" in event_desc:
description = markup_to_html(
pctx.course, pctx.repo, pctx.course_commit_sha,
event_desc["description"])
if "title" in event_desc:
human_title = event_desc["title"]
if "color" in event_desc:
event_json["color"] = event_desc["color"]
if "show_description_from" in event_desc:
ds = parse_date_spec(
pctx.course, event_desc["show_description_from"])
if now < ds:
show_description = False
if "show_description_until" in event_desc:
ds = parse_date_spec(
pctx.course, event_desc["show_description_until"])
if now > ds:
show_description = False
event_json["title"] = human_title
if show_description and description:
event_json["url"] = "#event-%d" % event.id
start_time = event.time
end_time = event.end_time
if event.all_day:
start_time = start_time.date()
if end_time is not None:
local_end_time = as_local_time(end_time)
end_midnight = datetime.time(tzinfo=local_end_time.tzinfo)
if local_end_time.time() == end_midnight:
end_time = (end_time - datetime.timedelta(days=1)).date()
else:
end_time = end_time.date()
event_info_list.append(
EventInfo(
id=event.id,
human_title=human_title,
start_time=start_time,
end_time=end_time,
description=description
))
events_json.append(event_json)
default_date = now.date()
if pctx.course.end_date is not None and default_date > pctx.course.end_date:
default_date = pctx.course.end_date
from json import dumps
return render_course_page(pctx, "course/calendar.html", {
"events_json": dumps(events_json),
"event_info_list": event_info_list,
"default_date": default_date.isoformat(),
})
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_page_sandbox(pctx):
# type: (CoursePageContext) -> http.HttpResponse
if not pctx.has_permission(pperm.use_page_sandbox):
raise PermissionDenied()
from course.validation import ValidationError
from relate.utils import dict_to_struct, Struct
import yaml
PAGE_SESSION_KEY = make_sandbox_session_key( # noqa
PAGE_SESSION_KEY_PREFIX, pctx.course.identifier)
ANSWER_DATA_SESSION_KEY = make_sandbox_session_key( # noqa
ANSWER_DATA_SESSION_KEY_PREFIX, pctx.course.identifier)
PAGE_DATA_SESSION_KEY = make_sandbox_session_key( # noqa
PAGE_DATA_SESSION_KEY_PREFIX, pctx.course.identifier)
request = pctx.request
page_source = pctx.request.session.get(PAGE_SESSION_KEY)
page_errors = None
page_warnings = None
is_clear_post = (request.method == "POST" and "clear" in request.POST)
is_clear_response_post = (request.method == "POST"
and "clear_response" in request.POST)
is_preview_post = (request.method == "POST" and "preview" in request.POST)
def make_form(data=None):
# type: (Optional[Text]) -> PageSandboxForm
return PageSandboxForm(page_source, "yaml", request.user.editor_mode,
ugettext("Enter YAML markup for a flow page."),
data)
if is_preview_post:
edit_form = make_form(pctx.request.POST)
new_page_source = None
if edit_form.is_valid():
try:
from pytools.py_codegen import remove_common_indentation
new_page_source = remove_common_indentation(
edit_form.cleaned_data["content"],
require_leading_newline=False)
from course.content import expand_yaml_macros
new_page_source = expand_yaml_macros(pctx.repo,
pctx.course_commit_sha,
new_page_source)
yaml_data = yaml.load(new_page_source) # type: ignore
page_desc = dict_to_struct(yaml_data)
if not isinstance(page_desc, Struct):
raise ValidationError(
"Provided page source code is not "
"a dictionary. Do you need to remove a leading "
"list marker ('-') or some stray indentation?")
from course.validation import validate_flow_page, ValidationContext
vctx = ValidationContext(repo=pctx.repo,
commit_sha=pctx.course_commit_sha)
validate_flow_page(vctx, "sandbox", page_desc)
page_warnings = vctx.warnings
except Exception:
import sys
tp, e, _ = sys.exc_info()
page_errors = (ugettext("Page failed to load/validate") +
": " + "%(err_type)s: %(err_str)s" % {
"err_type": tp.__name__,
"err_str": e
}) # type: ignore
else:
# Yay, it did validate.
request.session[
PAGE_SESSION_KEY] = page_source = new_page_source
del new_page_source
edit_form = make_form(pctx.request.POST)
elif is_clear_post:
page_source = None
pctx.request.session[PAGE_DATA_SESSION_KEY] = None
pctx.request.session[ANSWER_DATA_SESSION_KEY] = None
del pctx.request.session[PAGE_DATA_SESSION_KEY]
del pctx.request.session[ANSWER_DATA_SESSION_KEY]
edit_form = make_form()
elif is_clear_response_post:
page_source = None
pctx.request.session[PAGE_DATA_SESSION_KEY] = None
pctx.request.session[ANSWER_DATA_SESSION_KEY] = None
del pctx.request.session[PAGE_DATA_SESSION_KEY]
del pctx.request.session[ANSWER_DATA_SESSION_KEY]
edit_form = make_form(pctx.request.POST)
else:
edit_form = make_form()
have_valid_page = page_source is not None
if have_valid_page:
yaml_data = yaml.load(page_source) # type: ignore
page_desc = cast(FlowPageDesc, dict_to_struct(yaml_data))
from course.content import instantiate_flow_page
try:
page = instantiate_flow_page("sandbox", pctx.repo, page_desc,
pctx.course_commit_sha)
except Exception:
import sys
tp, e, _ = sys.exc_info()
page_errors = (ugettext("Page failed to load/validate") + ": " +
"%(err_type)s: %(err_str)s" % {
"err_type": tp.__name__,
"err_str": e
}) # type: ignore
have_valid_page = False
if have_valid_page:
page_desc = cast(FlowPageDesc, page_desc)
# Try to recover page_data, answer_data
page_data = get_sandbox_data_for_page(pctx, page_desc,
PAGE_DATA_SESSION_KEY)
answer_data = get_sandbox_data_for_page(pctx, page_desc,
ANSWER_DATA_SESSION_KEY)
from course.models import FlowSession
from course.page import PageContext
page_context = PageContext(
course=pctx.course,
repo=pctx.repo,
commit_sha=pctx.course_commit_sha,
# This helps code pages retrieve the editor pref.
flow_session=FlowSession(course=pctx.course,
participation=pctx.participation),
in_sandbox=True)
if page_data is None:
page_data = page.initialize_page_data(page_context)
pctx.request.session[PAGE_DATA_SESSION_KEY] = (page_desc.type,
page_desc.id,
page_data)
title = page.title(page_context, page_data)
body = page.body(page_context, page_data)
feedback = None
page_form_html = None
if page.expects_answer():
from course.page.base import PageBehavior
page_behavior = PageBehavior(show_correctness=True,
show_answer=True,
may_change_answer=True)
if request.method == "POST" and not is_preview_post:
page_form = page.process_form_post(page_context, page_data,
request.POST, request.FILES,
page_behavior)
if page_form.is_valid():
answer_data = page.answer_data(page_context, page_data,
page_form, request.FILES)
feedback = page.grade(page_context,
page_data,
answer_data,
grade_data=None)
pctx.request.session[ANSWER_DATA_SESSION_KEY] = (
page_desc.type, page_desc.id, answer_data)
else:
try:
page_form = page.make_form(page_context, page_data,
answer_data, page_behavior)
except Exception:
import sys
tp, e, _ = sys.exc_info()
page_errors = (
ugettext("Page failed to load/validate "
"(change page ID to clear faults)") + ": " +
"%(err_type)s: %(err_str)s" % {
"err_type": tp.__name__,
"err_str": e
}) # type: ignore # noqa: E501
have_valid_page = False
page_form = None
if page_form is not None:
page_form.helper.add_input(
Submit("submit", ugettext("Submit answer"), accesskey="g"))
page_form_html = page.form_to_html(pctx.request, page_context,
page_form, answer_data)
correct_answer = page.correct_answer(page_context,
page_data,
answer_data,
grade_data=None)
return render_course_page(
pctx,
"course/sandbox-page.html",
{
"edit_form": edit_form,
"page_errors": page_errors,
"page_warnings": page_warnings,
"form": edit_form, # to placate form.media
"have_valid_page": True,
"title": title,
"body": body,
"page_form_html": page_form_html,
"feedback": feedback,
"correct_answer": correct_answer,
})
else:
return render_course_page(
pctx,
"course/sandbox-page.html",
{
"edit_form": edit_form,
"form": edit_form, # to placate form.media
"have_valid_page": False,
"page_errors": page_errors,
"page_warnings": page_warnings,
})
def create_preapprovals(pctx):
if pctx.role != participation_role.instructor:
raise PermissionDenied(_("only instructors may do that"))
request = pctx.request
if request.method == "POST":
form = BulkPreapprovalsForm(request.POST)
if form.is_valid():
created_count = 0
exist_count = 0
pending_approved_count = 0
role = form.cleaned_data["role"]
for l in form.cleaned_data["emails"].split("\n"):
l = l.strip()
if not l:
continue
try:
preapproval = ParticipationPreapproval.objects.get(
email__iexact=l, course=pctx.course)
except ParticipationPreapproval.DoesNotExist:
# approve if l is requesting enrollment
try:
pending_participation = Participation.objects.get(
course=pctx.course,
status=participation_status.requested,
user__email__iexact=l)
except Participation.DoesNotExist:
pass
else:
pending_participation.status = participation_status.active
pending_participation.save()
send_enrollment_decision(pending_participation, True,
request)
pending_approved_count += 1
else:
exist_count += 1
continue
preapproval = ParticipationPreapproval()
preapproval.email = l
preapproval.course = pctx.course
preapproval.role = role
preapproval.creator = request.user
preapproval.save()
created_count += 1
messages.add_message(
request, messages.INFO,
_("%(n_created)d preapprovals created, "
"%(n_exist)d already existed, "
"%(n_requested_approved)d pending requests approved.") % {
'n_created': created_count,
'n_exist': exist_count,
'n_requested_approved': pending_approved_count
})
return redirect("relate-home")
else:
form = BulkPreapprovalsForm()
return render_course_page(
pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Create Participation Preapprovals"),
})
def update_course(pctx):
if not (pctx.has_permission(pperm.update_content)
or pctx.has_permission(pperm.preview_content)):
raise PermissionDenied()
course = pctx.course
request = pctx.request
content_repo = pctx.repo
from course.content import SubdirRepoWrapper
if isinstance(content_repo, SubdirRepoWrapper):
repo = content_repo.repo
else:
repo = content_repo
participation = pctx.participation
previewing = bool(participation is not None
and participation.preview_git_commit_sha)
may_update = pctx.has_permission(pperm.update_content)
response_form = None
if request.method == "POST":
form = GitUpdateForm(may_update, previewing, repo, request.POST,
request.FILES)
commands = [
"fetch", "fetch_update", "update", "fetch_preview", "preview",
"end_preview"
]
command = None
for cmd in commands:
if cmd in form.data:
command = cmd
break
if command is None:
raise SuspiciousOperation(_("invalid command"))
if form.is_valid():
new_sha = form.cleaned_data["new_sha"].encode()
try:
run_course_update_command(
request,
repo,
content_repo,
pctx,
command,
new_sha,
may_update,
prevent_discarding_revisions=form.
cleaned_data["prevent_discarding_revisions"])
except Exception as e:
import traceback
traceback.print_exc()
messages.add_message(
pctx.request, messages.ERROR,
string_concat(
pgettext("Starting of Error message", "Error"),
": %(err_type)s %(err_str)s") % {
"err_type": type(e).__name__,
"err_str": str(e)
})
else:
response_form = form
if response_form is None:
previewing = bool(participation is not None
and participation.preview_git_commit_sha)
form = GitUpdateForm(may_update, previewing, repo, {
"new_sha": repo.head(),
"prevent_discarding_revisions": True,
})
text_lines = [
"<table class='table'>",
string_concat("<tr><th>", ugettext("Git Source URL"),
"</th><td><tt>%(git_source)s</tt></td></tr>") % {
'git_source': pctx.course.git_source
},
string_concat("<tr><th>", ugettext("Public active git SHA"),
"</th><td> %(commit)s (%(message)s)</td></tr>") %
{
'commit':
course.active_git_commit_sha,
'message':
_get_commit_message_as_html(repo, course.active_git_commit_sha)
},
string_concat("<tr><th>", ugettext("Current git HEAD"),
"</th><td>%(commit)s (%(message)s)</td></tr>") %
{
'commit': repo.head().decode(),
'message': _get_commit_message_as_html(repo, repo.head())
},
]
if participation is not None and participation.preview_git_commit_sha:
text_lines.append(
string_concat("<tr><th>", ugettext("Current preview git SHA"),
"</th><td>%(commit)s (%(message)s)</td></tr>") % {
'commit':
participation.preview_git_commit_sha,
'message':
_get_commit_message_as_html(
repo, participation.preview_git_commit_sha),
})
else:
text_lines.append("".join([
"<tr><th>",
ugettext("Current preview git SHA"),
"</th><td>",
ugettext("None"),
"</td></tr>",
]))
text_lines.append("</table>")
return render_course_page(
pctx, "course/generic-course-form.html", {
"form": form,
"form_text": "".join("<p>%s</p>" % line for line in text_lines),
"form_description": ugettext("Update Course Revision"),
})
def view_calendar(pctx):
from course.content import markup_to_html
events_json = []
from course.content import get_raw_yaml_from_repo
try:
event_descr = get_raw_yaml_from_repo(pctx.repo,
pctx.course.events_file,
pctx.course_commit_sha)
except ObjectDoesNotExist:
event_descr = {}
event_kinds_desc = event_descr.get("event_kinds", {})
event_info_desc = event_descr.get("events", {})
event_info_list = []
for event in (Event.objects.filter(
course=pctx.course, shown_in_calendar=True).order_by("time")):
kind_desc = event_kinds_desc.get(event.kind)
human_title = unicode(event)
event_json = {
"id": event.id,
"start": event.time.isoformat(),
"allDay": event.all_day,
}
if event.end_time is not None:
event_json["end"] = event.end_time.isoformat()
if kind_desc is not None:
if "color" in kind_desc:
event_json["color"] = kind_desc["color"]
if "title" in kind_desc:
if event.ordinal is not None:
human_title = kind_desc["title"].format(nr=event.ordinal)
else:
human_title = kind_desc["title"]
description = None
event_desc = event_info_desc.get(unicode(event))
if event_desc is not None:
if "description" in event_desc:
description = markup_to_html(pctx.course, pctx.repo,
pctx.course_commit_sha,
event_desc["description"])
if "title" in event_desc:
human_title = event_desc["title"]
if "color" in event_desc:
human_title = event_desc["color"]
event_json["title"] = human_title
if description:
event_json["url"] = "#event-%d" % event.id
start_time = event.time
end_time = event.end_time
if event.all_day:
start_time = start_time.date()
end_time = end_time.date()
event_info_list.append(
EventInfo(id=event.id,
human_title=human_title,
start_time=start_time,
end_time=end_time,
description=description))
events_json.append(event_json)
from json import dumps
return render_course_page(pctx, "course/calendar.html", {
"events_json": dumps(events_json),
"event_info_list": event_info_list,
})
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 create_preapprovals(pctx):
if not pctx.has_permission(pperm.preapprove_participation):
raise PermissionDenied(_("may not preapprove participation"))
request = pctx.request
if request.method == "POST":
form = BulkPreapprovalsForm(pctx.course, request.POST)
if form.is_valid():
created_count = 0
exist_count = 0
pending_approved_count = 0
roles = form.cleaned_data["roles"]
for l in form.cleaned_data["preapproval_data"].split("\n"):
l = l.strip()
preapp_type = form.cleaned_data["preapproval_type"]
if not l:
continue
if preapp_type == "email":
try:
preapproval = ParticipationPreapproval.objects.get(
email__iexact=l, course=pctx.course)
except ParticipationPreapproval.DoesNotExist:
# approve if l is requesting enrollment
try:
pending = Participation.objects.get(
course=pctx.course,
status=participation_status.requested,
user__email__iexact=l)
except Participation.DoesNotExist:
pass
else:
pending.status = \
participation_status.active
pending.save()
send_enrollment_decision(pending, True, request)
pending_approved_count += 1
else:
exist_count += 1
continue
preapproval = ParticipationPreapproval()
preapproval.email = l
preapproval.course = pctx.course
preapproval.creator = request.user
preapproval.save()
preapproval.roles.set(roles)
created_count += 1
elif preapp_type == "institutional_id":
try:
preapproval = ParticipationPreapproval.objects.get(
course=pctx.course, institutional_id__iexact=l)
except ParticipationPreapproval.DoesNotExist:
# approve if l is requesting enrollment
try:
pending = Participation.objects.get(
course=pctx.course,
status=participation_status.requested,
user__institutional_id__iexact=l)
if (pctx.course.
preapproval_require_verified_inst_id and
not pending.user.institutional_id_verified
):
raise Participation.DoesNotExist
except Participation.DoesNotExist:
pass
else:
pending.status = participation_status.active
pending.save()
send_enrollment_decision(pending, True, request)
pending_approved_count += 1
else:
exist_count += 1
continue
preapproval = ParticipationPreapproval()
preapproval.institutional_id = l
preapproval.course = pctx.course
preapproval.creator = request.user
preapproval.save()
preapproval.roles.set(roles)
created_count += 1
messages.add_message(
request, messages.INFO,
_("%(n_created)d preapprovals created, "
"%(n_exist)d already existed, "
"%(n_requested_approved)d pending requests approved.") % {
'n_created': created_count,
'n_exist': exist_count,
'n_requested_approved': pending_approved_count
})
return redirect("relate-course_page", pctx.course.identifier)
else:
form = BulkPreapprovalsForm(pctx.course)
return render_course_page(
pctx, "course/generic-course-form.html", {
"form": form,
"form_description": _("Create Participation Preapprovals"),
})
def grant_exception_stage_3(pctx, participation_id, flow_id, session_id):
# type: (CoursePageContext, int, Text, int) -> http.HttpResponse
if not pctx.has_permission(pperm.grant_exception):
raise PermissionDenied(_("may not grant exceptions"))
participation = get_object_or_404(Participation, id=participation_id)
from course.content import get_flow_desc
try:
flow_desc = get_flow_desc(pctx.repo, pctx.course, flow_id,
pctx.course_commit_sha)
except ObjectDoesNotExist:
raise http.Http404()
session = FlowSession.objects.get(id=int(session_id))
now_datetime = get_now_or_fake_time(pctx.request)
from course.utils import (get_session_access_rule,
get_session_grading_rule)
access_rule = get_session_access_rule(session, flow_desc, now_datetime)
grading_rule = get_session_grading_rule(session, flow_desc, now_datetime)
request = pctx.request
if request.method == "POST":
form = ExceptionStage3Form({}, flow_desc, session.access_rules_tag,
request.POST)
from course.constants import flow_rule_kind
if form.is_valid():
permissions = [
key for key, _ in FLOW_PERMISSION_CHOICES
if form.cleaned_data[key]
]
from course.validation import (validate_session_access_rule,
validate_session_grading_rule,
ValidationContext)
from relate.utils import dict_to_struct
vctx = ValidationContext(repo=pctx.repo,
commit_sha=pctx.course_commit_sha)
flow_desc = get_flow_desc(pctx.repo, pctx.course, flow_id,
pctx.course_commit_sha)
tags = [] # type: List[Text]
if hasattr(flow_desc, "rules"):
try:
from typing import Text # noqa
except ImportError:
Text = None # noqa
tags = cast(List[Text], getattr(flow_desc.rules, "tags",
[])) # type: ignore # noqa
# {{{ put together access rule
if form.cleaned_data["create_access_exception"]:
new_access_rule = {"permissions": permissions}
if (form.cleaned_data.get("restrict_to_same_tag")
and session.access_rules_tag is not None):
new_access_rule["if_has_tag"] = session.access_rules_tag
validate_session_access_rule(
vctx, ugettext("newly created exception"),
dict_to_struct(new_access_rule), tags)
fre_access = FlowRuleException(
flow_id=flow_id,
participation=participation,
expiration=form.cleaned_data["access_expires"],
creator=pctx.request.user,
comment=form.cleaned_data["comment"],
kind=flow_rule_kind.access,
rule=new_access_rule)
fre_access.save()
# }}}
new_access_rules_tag = form.cleaned_data.get(
"set_access_rules_tag")
if new_access_rules_tag == NONE_SESSION_TAG:
new_access_rules_tag = None
if session.access_rules_tag != new_access_rules_tag:
session.access_rules_tag = new_access_rules_tag
session.save()
# {{{ put together grading rule
if form.cleaned_data["create_grading_exception"]:
due = form.cleaned_data["due"]
if form.cleaned_data["due_same_as_access_expiration"]:
due = form.cleaned_data["access_expires"]
descr = ugettext("Granted excecption")
if form.cleaned_data["credit_percent"] is not None:
descr += string_concat(" (%.1f%% ", ugettext('credit'), ")") \
% form.cleaned_data["credit_percent"]
due_local_naive = due
if due_local_naive is not None:
from relate.utils import as_local_time
due_local_naive = (as_local_time(due_local_naive).replace(
tzinfo=None))
new_grading_rule = {
"description": descr,
}
if due_local_naive is not None:
new_grading_rule["due"] = due_local_naive
new_grading_rule["if_completed_before"] = due_local_naive
for attr_name in [
"credit_percent", "bonus_points", "max_points",
"max_points_enforced_cap", "generates_grade"
]:
if form.cleaned_data[attr_name] is not None:
new_grading_rule[attr_name] = form.cleaned_data[
attr_name]
if (form.cleaned_data.get("restrict_to_same_tag")
and session.access_rules_tag is not None):
new_grading_rule["if_has_tag"] = session.access_rules_tag
validate_session_grading_rule(
vctx, ugettext("newly created exception"),
dict_to_struct(new_grading_rule), tags,
grading_rule.grade_identifier)
fre_grading = FlowRuleException(
flow_id=flow_id,
participation=participation,
creator=pctx.request.user,
comment=form.cleaned_data["comment"],
kind=flow_rule_kind.grading,
rule=new_grading_rule)
fre_grading.save()
# }}}
messages.add_message(
pctx.request, messages.SUCCESS,
ugettext("Exception granted to '%(participation)s' "
"for '%(flow_id)s'.") % {
'participation': participation,
'flow_id': flow_id
})
return redirect("relate-grant_exception", pctx.course.identifier)
else:
data = {
"restrict_to_same_tag": session.access_rules_tag is not None,
#"due_same_as_access_expiration": True,
"due": grading_rule.due,
"generates_grade": grading_rule.generates_grade,
"credit_percent": grading_rule.credit_percent,
"bonus_points": grading_rule.bonus_points,
"max_points": grading_rule.max_points,
"max_points_enforced_cap": grading_rule.max_points_enforced_cap,
}
for perm in access_rule.permissions:
data[perm] = True
form = ExceptionStage3Form(data, flow_desc, session.access_rules_tag)
return render_course_page(
pctx, "course/generic-course-form.html", {
"form": form,
"form_description": ugettext("Grant Exception"),
"form_text": string_concat(
"<div class='well'>",
ugettext("Granting exception to '%(participation)s' "
"for '%(flow_id)s' (session %(session)s)."), "</div>")
% {
'participation': participation,
'flow_id': flow_id,
'session': strify_session_for_exception(session)
},
})
def edit_participation(pctx, participation_id):
# type: (CoursePageContext, int) -> http.HttpResponse
if not pctx.has_permission(pperm.edit_participation):
raise PermissionDenied()
request = pctx.request
num_participation_id = int(participation_id)
if num_participation_id == -1:
participation = Participation(course=pctx.course,
status=participation_status.active)
add_new = True
else:
participation = get_object_or_404(Participation,
id=num_participation_id)
add_new = False
if participation.course.id != pctx.course.id:
raise SuspiciousOperation(
"may not edit participation in different course")
if request.method == 'POST':
form = EditParticipationForm(add_new,
pctx,
request.POST,
instance=participation)
reset_form = False
try:
if form.is_valid():
if "submit" in request.POST:
form.save()
messages.add_message(request, messages.SUCCESS,
_("Changes saved."))
elif "approve" in request.POST:
send_enrollment_decision(participation, True, pctx.request)
# FIXME: Double-saving
participation = form.save()
participation.status = participation_status.active
participation.save()
reset_form = True
messages.add_message(request, messages.SUCCESS,
_("Successfully enrolled."))
elif "deny" in request.POST:
send_enrollment_decision(participation, False,
pctx.request)
# FIXME: Double-saving
participation = form.save()
participation.status = participation_status.denied
participation.save()
reset_form = True
messages.add_message(request, messages.SUCCESS,
_("Successfully denied."))
elif "drop" in request.POST:
# FIXME: Double-saving
participation = form.save()
participation.status = participation_status.dropped
participation.save()
reset_form = True
messages.add_message(request, messages.SUCCESS,
_("Successfully dropped."))
except IntegrityError as e:
messages.add_message(
request, messages.ERROR,
_("A data integrity issue was detected when saving "
"this participation. Maybe a participation for "
"this user already exists? (%s)") % str(e))
if reset_form:
form = EditParticipationForm(add_new, pctx, instance=participation)
else:
form = EditParticipationForm(add_new, pctx, instance=participation)
return render_course_page(pctx, "course/generic-course-form.html", {
"form_description": _("Edit Participation"),
"form": form
})
def import_grades(pctx):
if pctx.role != participation_role.instructor:
raise PermissionDenied()
form_text = ""
log_lines = []
request = pctx.request
if request.method == "POST":
form = ImportGradesForm(
pctx.course, request.POST, request.FILES)
is_import = "import" in request.POST
if form.is_valid():
try:
total_count, grade_changes = csv_to_grade_changes(
log_lines=log_lines,
course=pctx.course,
grading_opportunity=form.cleaned_data["grading_opportunity"],
attempt_id=form.cleaned_data["attempt_id"],
file_contents=request.FILES["file"],
id_column=form.cleaned_data["id_column"],
points_column=form.cleaned_data["points_column"],
feedback_column=form.cleaned_data["feedback_column"],
max_points=form.cleaned_data["max_points"],
creator=request.user,
grade_time=now(),
has_header=form.cleaned_data["format"] == "csvhead")
except Exception as e:
messages.add_message(pctx.request, messages.ERROR,
"Error: %s %s" % (type(e).__name__, str(e)))
else:
if total_count != len(grade_changes):
messages.add_message(pctx.request, messages.INFO,
"%d grades found, %d unchanged."
% (total_count, total_count - len(grade_changes)))
from django.template.loader import render_to_string
if is_import:
GradeChange.objects.bulk_create(grade_changes)
form_text = render_to_string(
"course/grade-import-preview.html", {
"show_grade_changes": False,
"log_lines": log_lines,
})
messages.add_message(pctx.request, messages.SUCCESS,
"%d grades imported." % len(grade_changes))
else:
form_text = render_to_string(
"course/grade-import-preview.html", {
"show_grade_changes": True,
"grade_changes": grade_changes,
"log_lines": log_lines,
})
else:
form = ImportGradesForm(pctx.course)
return render_course_page(pctx, "course/generic-course-form.html", {
"form_description": "Import Grade Data",
"form": form,
"form_text": form_text,
})
