def submit_evaluations(self):
me = request.identity['user']
students_allowed = set(user.id for user in self.group.users)
for user_id, score in request.POST.items():
user_id = int(user_id)
if user_id not in students_allowed:
abort(403, "You cannot submit an evaluation to this user")
score = float(score)
if score < 0:
abort(403, "Negative contributions are not allowed")
e = (DBSession.query(Evaluation)
.filter(Evaluation.from_student_id == me.id)
.filter(Evaluation.to_student_id == user_id)
.filter(Evaluation.group_id == self.group.id)
.one_or_none())
if not e:
e = Evaluation(
from_student_id=me.id,
to_student_id=user_id,
group=self.group,
score=score)
else:
e.score = score
DBSession.add(e)
flash('Your evaluations have been saved. Thank you.', 'success')
redirect('/group/{}'.format(self.group.id))
def authenticate(self, environ, identity):
try:
ticket = identity['login']
except KeyError:
return None
if identity['identifier'] != 'mpapi':
return None
r = requests.post(self.mpapi_fetch, data={'tkt': ticket})
r.raise_for_status()
data = r.json()
if data['result'] != 'success':
raise ValueError('MPAPI Failure')
username = data['uid']
identity['user'] = User.from_username(username)
if identity['user']:
return username
else:
user = user_from_mpapi_attributes(data['attributes'])
DBSession.add(user)
DBSession.flush()
transaction.commit()
return username
def ov(self, output_id):
output = DBSession.query(Output).get(int(output_id))
if output.group.competition_id != self.competition.id:
abort(404)
if not output.active:
abort(404, "This output is no longer active.")
user = request.identity and request.identity['user']
if user:
group = (DBSession.query(Group).filter(
Group.competition_id == self.competition.id).filter(
Group.users.any(id=user.id)).first())
else:
group = None
message = request.POST.get('message')
if group and message:
if output.use_ground_truth:
abort(403, "The instructor has already reviewed this output.")
output.use_ground_truth = True
protest = Protest(
message=message,
accepted=output.verification != output.ground_truth,
submitter=group,
output=output)
DBSession.add(output)
DBSession.add(protest)
flash('Your protest has been submitted.', 'success')
return {
'output': output,
'group': group,
'competition': self.competition
}
def automatic_verification(self):
outputs = (DBSession
.query(Output)
.join(Output.input)
.filter(Input.group_id == self.group.id))
for output in outputs:
output.verification = output.ground_truth
DBSession.add(output)
DBSession.flush()
def input_upload(self, input_upload=None, team_name=None):
user = request.identity['user']
if not user.admin and not self.group.competition.input_upload_open:
abort(403, "Sorry, input upload stage is closed.")
if hasattr(input_upload, "file"):
try:
contents = input_upload.file.read().decode("utf-8")
except UnicodeDecodeError:
flash('Your input contains invalid characters. '
'Please correct and try uploading again.',
'danger')
redirect(self.base_url)
problem = problemlib.load_problem(self.group.competition)
try:
input = problem.parse_input(StringIO(contents))
except problemlib.FileFormatError as e:
flash(
f"Your input is not valid: {e}. Please correct and upload again.",
"danger",
)
redirect(self.base_url)
reformatted_contents = StringIO()
input.write(reformatted_contents)
f = FileIntent(
BytesIO(reformatted_contents.getvalue().encode('utf-8')),
'input_group{}.txt'.format(self.group.id),
'application/octet-stream')
if self.group.input is None:
iput = Input(data=f, group=self.group)
DBSession.add(iput)
else:
self.group.input.data = f
DBSession.flush()
if team_name is not None:
if len(team_name) >= 100:
flash('Your team name has been rejected, as it is too long.',
'danger')
redirect(self.base_url)
if not team_name:
flash('You must set a team name.',
'danger')
redirect(self.base_url)
self.group.name = team_name
flash('Thank you. Please return here for output upload on {}'
.format(ftime(self.group.competition.output_upload_begins)),
'success')
redirect(self.base_url)
def input_upload(self, input_upload=None, team_name=None):
user = request.identity['user']
if not user.admin and not self.group.competition.input_upload_open:
abort(403, "Sorry, input upload stage is closed.")
if hasattr(input_upload, "file"):
try:
contents = file_normalize(input_upload.file.read())
except UnicodeDecodeError:
flash(
'Your input contains invalid characters. '
'Please correct and try uploading again.', 'danger')
redirect(self.base_url)
if len(contents) > 1E6:
abort(400, "Your input exceeds the maxiumum size.")
verif_mod = self.group.competition.input_verifier.module
try:
verif_mod.verify(StringIO(contents))
except verif_mod.VerificationError as e:
flash(
'Your input has been rejected for the following reason: '
'{}. Please correct and try uploading again.'.format(e),
'danger')
redirect(self.base_url)
f = FileIntent(BytesIO(contents.encode('utf-8')),
'input_group{}.txt'.format(self.group.id),
'application/octet-stream')
if self.group.input is None:
iput = Input(data=f, group=self.group)
DBSession.add(iput)
else:
self.group.input.data = f
DBSession.flush()
if team_name is not None:
if len(team_name) >= 100:
flash('Your team name has been rejected, as it is too long.',
'danger')
redirect(self.base_url)
if not team_name:
flash('You must set a team name.', 'danger')
redirect(self.base_url)
self.group.name = team_name
flash(
'Thank you. Please return here for output upload on {}'.format(
ftime(self.group.competition.output_upload_begins)), 'success')
redirect(self.base_url)
def new_user_by_username(self, username):
url = f"{self.mpapi_url}/uid/{username}"
r = requests.get(url)
r.raise_for_status()
data = r.json()
if data["result"] != "success":
raise ValueError("MPAPI Failure. User {username} may not exist?")
attributes = data["attributes"]
uid = attributes["uidNumber"]
full_name = f"{attributes['first']} {attributes['sn']}"
email = attributes["mail"]
user = User(id=uid,
username=username,
full_name=full_name,
email=email)
DBSession.add(user)
return user
def ov(self, output_id):
output = DBSession.query(Output).get(int(output_id))
if output.group.competition_id != self.competition.id:
abort(404)
if not output.active:
abort(404, "This output is no longer active.")
user = request.identity and request.identity['user']
if user:
group = (DBSession.query(Group).filter(
Group.competition_id == self.competition.id).filter(
Group.users.any(id=user.id)).first())
else:
group = None
problem = problemlib.load_problem(self.competition)
problem_module = problem.get_module()
show_input_downloads = ((user and user.admin)
or not output.group.competition.archived)
message = request.POST.get('message')
if group and message:
if output.use_ground_truth:
abort(403, "The instructor has already reviewed this output.")
output.use_ground_truth = True
protest = Protest(
message=message,
accepted=output.verification != output.ground_truth,
submitter=group,
output=output)
DBSession.add(output)
DBSession.add(protest)
flash('Your protest has been submitted.', 'success')
return {
"output": output,
"score": problem_module.Output.repr_score(output.score),
"group": group,
"show_input_downloads": show_input_downloads,
"competition": self.competition,
}
def authenticate(self, environ, identity):
try:
ticket = identity['login']
except KeyError:
return None
if identity['identifier'] != 'mpapi':
return None
r = requests.post(self.mpapi_fetch, data={'tkt': ticket})
r.raise_for_status()
data = r.json()
if data['result'] != 'success':
raise ValueError('MPAPI Failure')
username = data['uid']
attributes = data['attributes']
uid = attributes['uidNumber']
full_name = '{} {}'.format(attributes['first'], attributes['sn'])
email = attributes['mail']
user = DBSession.query(User).filter(User.id == uid).one_or_none()
if user:
# Update attributes in case of username/full name change
user.username = username
user.full_name = full_name
user.email = email
else:
user = User(id=uid,
username=username,
full_name=full_name,
email=email)
DBSession.add(user)
DBSession.flush()
transaction.commit()
return username
def submit_output(self, to_group, output_file=None):
user = request.identity['user']
to_group = DBSession.query(Group).get(to_group)
if not to_group:
abort(404, "No such group")
if to_group.competition_id != self.group.competition_id:
abort(400, "Cannot submit to a group in another competition")
if not hasattr(output_file, "file"):
abort(400, "Must include file in submission")
comp = self.group.competition
existing = (DBSession.query(Output)
.filter(Output.group_id == self.group.id)
.filter(Output.input_id == to_group.input.id)
.filter(Output.active == True)
.one_or_none())
if not (user.admin
or comp.output_upload_open
or (comp.resolution_open
and existing is not None
and not existing.use_ground_truth)):
abort(403, "Forbidden to upload this output at this time")
try:
contents = output_file.file.read().decode("utf-8")
except UnicodeDecodeError:
return {'status': 'error',
'msg': 'Output contains invalid characters.'}
problem = problemlib.load_problem(comp)
try:
output = problem.parse_output(to_group.input.data.file,
StringIO(contents))
except problemlib.FileFormatError as e:
return {
"status": "error",
"msg": f"Output has formatting errors: {e}",
}
new_contents = StringIO()
output.write(new_contents)
f = FileIntent(
BytesIO(new_contents.getvalue().encode("utf-8")),
'output_from_{}_to_{}.txt'.format(self.group.id, to_group.id),
'application/octet-stream')
try:
output.verify()
except problemlib.VerificationError:
ground_truth = VerificationStatus.rejected
except Exception:
ground_truth = VerificationStatus.waiting
else:
ground_truth = VerificationStatus.accepted
use_ground_truth = (
not comp.verification_begins
or datetime.datetime.now() >= comp.verification_begins
)
if existing:
if comp.resolution_open:
existing.active = False
else:
DBSession.delete(existing)
db_output = Output(
data=f,
group=self.group,
input=to_group.input,
score=output.score,
original=comp.output_upload_open,
ground_truth=ground_truth,
use_ground_truth=use_ground_truth,
)
DBSession.add(db_output)
DBSession.flush()
return {'status': 'success', 'url': db_output.data.url}
def submit_output(self, to_group, output_file=None):
user = request.identity['user']
to_group = DBSession.query(Group).get(to_group)
if not to_group:
abort(404, "No such group")
if to_group.competition_id != self.group.competition_id:
abort(400, "Cannot submit to a group in another competition")
if not hasattr(output_file, "file"):
abort(400, "Must include file in submission")
comp = self.group.competition
existing = (DBSession.query(Output).filter(
Output.group_id == self.group.id).filter(
Output.input_id == to_group.input.id).filter(
Output.active == True).one_or_none())
if not (user.admin or comp.output_upload_open or
(comp.resolution_open and existing is not None
and not existing.use_ground_truth)):
abort(403, "Forbidden to upload this output at this time")
try:
contents = file_normalize(output_file.file.read())
except UnicodeDecodeError:
return {
'status': 'error',
'msg': 'Output contains invalid characters.'
}
if len(contents) > 1E6:
return {'status': 'error', 'msg': 'Output exceeds maximum size.'}
try:
score, _, _ = contents.partition('\n')
score = int(score)
except ValueError:
return {
'status': 'error',
'msg': 'First line must only contain an integer.'
}
f = FileIntent(
BytesIO(contents.encode('utf-8')),
'output_from_{}_to_{}.txt'.format(self.group.id, to_group.id),
'application/octet-stream')
if existing:
if comp.resolution_open:
existing.active = False
else:
DBSession.delete(existing)
output = Output(data=f,
group=self.group,
input=to_group.input,
score=score,
original=comp.output_upload_open)
verif_mod = self.group.competition.output_verifier.module
try:
verif_mod.verify(to_group.input.data.file, StringIO(contents))
except verif_mod.VerificationError:
output.ground_truth = VerificationStatus.rejected
except Exception:
output.ground_truth = VerificationStatus.waiting
else:
output.ground_truth = VerificationStatus.accepted
if comp.resolution_open or not comp.verification_begins:
output.use_ground_truth = True
DBSession.add(output)
DBSession.flush()
return {'status': 'success', 'url': output.data.url}
