def __init__(self, *args, **kwargs):
self.competition = kwargs.pop('competition')
self.evaluator = get_evaluator(self.competition.evaluator_version)
self.fixed_score = self.competition.fixed_task_score
user = kwargs.pop('user')
super(CompetitionTaskForm, self).__init__(*args, **kwargs)
self.t_comment_extra_class = "ctask-comment"
if self.instance.pk:
self.fields['text'].initial = self.instance.task.content.text
self.fields['comment'].initial = self.instance.comment.text
self.t_comment_extra_class += \
" " + ctask_comment_class(self.instance, user)
descriptor = self.initial.get('descriptor')
if descriptor:
variables = safe_parse_descriptor(self.evaluator, descriptor)
self.fields['descriptor'].help_text = get_solution_help_text(
variables, error_message=_("Invalid!"), show_types=True)
self.fields['descriptor'].label = mark_safe(
xss.escape(_("Solution")) + \
' <a href="' + comp_url(self.competition, 'rules') +
'" target="_blank"><i class="icon-question-sign" title="' +
xss.escape(_("Help")) + '"></i></a>')
if self.fixed_score:
del self.fields['score']
self.fields['text'].widget.attrs.update(
{'class': 'comp-mathcontent-text', 'rows': 5})
self.fields['comment'].widget.attrs.update(
{'class': 'comp-mathcontent-text ctask-comment', 'rows': 3})
def rules(request, competition, data):
evaluator = get_evaluator(competition.evaluator_version)
types = evaluator.get_variable_types()
# Class object is a callable, so wrap it with another function. If the
# lambda was simply written as "lambda: x", all the values would have the
# same x.
data['variable_types'] = [(lambda y=x: y) for x in types]
data['help_authors_general'] = evaluator.help_authors_general()
return data
def refresh_submissions_cache_is_correct(submissions=None, ctasks=None,
competitions=None):
"""Returns the number of solutions updated."""
if not submissions and not ctasks and not competitions:
raise ValueError
# TODO: simplify this
if competitions:
competitions = list(competitions)
id_to_comp = {x.id: x for x in competitions}
if ctasks is None:
ctasks = CompetitionTask.objects \
.filter(competition_id__in=id_to_comp.keys())
for ctask in ctasks:
ctask.competition = id_to_comp[ctask.competition_id]
# TODO: select only given ctasks
if submissions is None:
submissions = Submission.objects \
.filter(ctask__competition_id__in=id_to_comp.keys())
elif ctasks is None:
# TODO: get submissions if not provided.
ctask_ids = set(submission.ctask_id for submission in submissions)
ctasks = CompetitionTask.objects.filter(id__in=ctask_ids) \
.select_related('competition__evaluator_version')
ctasks = list(ctasks)
ctasks_dict = {ctask.id: ctask for ctask in ctasks}
updated = 0
for submission in submissions:
ctask = ctasks_dict[submission.ctask_id]
evaluator = get_evaluator(ctask.competition.evaluator_version)
old = submission.cache_is_correct
try:
new = evaluator.check_result(ctask.descriptor, submission.result)
except InvalidSolution, InvalidDescriptor:
new = False
if old != new:
submission.cache_is_correct = new
submission.save()
updated += 1
def task_detail(request, competition, data, ctask_id):
is_admin = data['is_admin']
extra = ['task__author'] if is_admin else []
ctask = get_object_or_404(
CompetitionTask.objects.select_related('chain', 'task',
'task__content', *extra),
competition=competition, id=ctask_id)
ctask_id = int(ctask_id)
team = data['team']
if not is_admin:
if (not team and not data['has_finished']) or not data['has_started'] \
or ctask.chain.unlock_minutes > data['minutes_passed']:
raise Http404
if ctask.score > 1:
ctask.t_score_text = ungettext(
"This task is worth %d point.",
"This task is worth %d points.",
ctask.score) % ctask.score
evaluator = get_evaluator(competition.evaluator_version)
variables = safe_parse_descriptor(evaluator, ctask.descriptor)
if team:
ctasks, chain_submissions = preprocess_chain(
competition, ctask.chain, team, preloaded_ctask=ctask)
submissions = [x for x in chain_submissions if x.ctask_id == ctask_id]
submissions.sort(key=lambda x: x.date)
if data['has_finished']:
ctask.t_is_locked = False
if ctask.t_is_locked and not is_admin:
raise Http404
if request.method == 'POST' and (not data['has_finished'] or is_admin):
solution_form = CompetitionSolutionForm(request.POST,
descriptor=ctask.descriptor, evaluator=evaluator)
submission = None
delete = False
if is_admin and 'delete-submission' in request.POST:
try:
submission = Submission.objects.get(
id=request.POST['delete-submission'])
chain_submissions = \
[x for x in chain_submissions if x != submission]
submissions = [x for x in submissions if x != submission]
submission.delete()
delete = True
except Submission.DoesNotExist:
pass
elif solution_form.is_valid():
# TODO: Ignore submission if already correctly solved.
if len(submissions) < ctask.max_submissions:
result = solution_form.cleaned_data['result']
is_correct = evaluator.check_result(
ctask.descriptor, result)
submission = Submission(ctask=ctask, team=team,
result=result, cache_is_correct=is_correct)
submission.save()
chain_submissions.append(submission)
submissions.append(submission)
if delete or submission:
if is_admin and team.is_admin_private():
update_ctask_cache_admin_solved_count(
competition, ctask, ctask.chain)
update_score_on_ctask_action(competition, team, ctask.chain,
ctask, submission, delete,
chain_ctask_ids=[x.id for x in ctasks],
chain_submissions=chain_submissions)
# Prevent form resubmission.
return (ctask.get_absolute_url(), )
else:
solution_form = CompetitionSolutionForm(
descriptor=ctask.descriptor, evaluator=evaluator)
data['is_solved'] = any(x.cache_is_correct for x in submissions)
data['solution_form'] = solution_form
data['submissions'] = submissions
data['submissions_left'] = ctask.max_submissions - len(submissions)
if is_admin:
data['all_ctask_submissions'] = list(Submission.objects \
.filter(ctask_id=ctask_id) \
.select_related('team') \
.order_by('id'))
for submission in data['all_ctask_submissions']:
submission.team.competition = competition
data['help_text'] = get_solution_help_text(variables)
data['chain'] = ctask.chain
data['ctask'] = ctask
if competition.show_solutions and data['has_finished'] \
and not data.get('is_solved', False):
data['sample_solution'] = get_sample_solution(variables)
return data
def chain_new(request, competition, data, chain_id=None):
if chain_id:
chain = get_object_or_404(
Chain, id=chain_id, competition_id=competition.id)
edit = True
else:
chain = None
edit = False
# CompetitionTaskFormSet = modelformset_factory(CompetitionTask,
# formset=BaseCompetitionTaskFormSet,
# fields=('descriptor', 'score'), extra=3)
evaluator = get_evaluator(competition.evaluator_version)
class CompetitionTaskFormLambda(CompetitionTaskForm):
def __init__(self, *args, **kwargs):
super(CompetitionTaskFormLambda, self).__init__(evaluator=evaluator,
fixed_score=competition.fixed_task_score, user=request.user,
*args, **kwargs)
# TODO: Set min_num and max_num after migrating to Django 1.7.
CompetitionTaskFormSet = modelformset_factory(CompetitionTask,
form=CompetitionTaskFormLambda, formset=BaseCompetitionTaskFormSet,
extra=5, can_order=True, can_delete=True)
POST = request.POST if request.method == 'POST' else None
chain_form = ChainForm(data=POST, instance=chain)
queryset = CompetitionTask.objects.filter(chain_id=chain_id) \
.select_related('task__content', 'comment') \
.order_by('chain_position', 'id')
was_order_fixed = fix_ctask_order(competition, chain, list(queryset))
formset = CompetitionTaskFormSet(data=POST, queryset=queryset)
if request.method == 'POST':
if chain_form.is_valid() and formset.is_valid():
chain = chain_form.save(commit=False)
if not edit:
chain.competition = competition
chain.save() # Save to get an ID.
instances = formset.save(commit=False)
for form in formset.ordered_forms:
_index = form.cleaned_data['ORDER']
if _index:
form.instance._index = _index
for index, instance in enumerate(instances):
instance.competition = competition
instance.chain = chain
instance.chain_position = getattr(instance, '_index', index)
instance.max_submissions = competition.default_max_submissions
_create_or_update_task(instance, request.user, competition,
chain, index, instance._text, instance._comment)
instance.save()
chain_ctasks = CompetitionTask.objects.filter(chain=chain) \
.select_related('comment').only('id', 'comment')
update_chain_comments_cache(chain, chain_ctasks)
chain.save()
# Problems with existing formset... ahh, just refresh
return (chain.get_absolute_url(), )
data.update({
'chain_form': chain_form,
'formset': formset,
'was_order_fixed': was_order_fixed,
})
return data
