def store_backup(self, user):
args = self.parse_args()
assignment = models.Assignment.name_to_assign_info(args['assignment'])
if not assignment:
raise ValueError('Assignment does not exist')
lock_flag = not assignment['active']
past_due = dt.utcnow() > assignment['due_date']
# Do not allow submissions after the lock date
eligible_submit = args['submit'] and not lock_flag
backup = make_backup(user, assignment['id'], args['messages'],
eligible_submit)
if args['submit'] and past_due:
assign_obj = models.Assignment.by_name(args['assignment'])
extension = models.Extension.get_extension(user,
assign_obj,
time=backup.created)
# Submissions after the deadline with an extension are allowed
if extension:
backup.submit = True # Need to set if the assignment is inactive
backup.custom_submission_time = extension.custom_submission_time or assign_obj.due_date
eligible_submit = True
elif lock_flag:
raise ValueError('Late Submission of {}'.format(
args['assignment']))
models.db.session.commit()
if (eligible_submit and assignment['autograding_key']
and assignment['continuous_autograding']):
submit_continuous(backup)
return backup
def submit_assignment(name):
# TODO: Unify student & staff upload.
assign = get_assignment(name)
group = Group.lookup(current_user, assign)
user_ids = assign.active_user_ids(current_user.id)
fs = assign.final_submission(user_ids)
if not assign.uploads_enabled:
flash("This assignment cannot be submitted online", 'warning')
return redirect(url_for('.assignment', name=assign.name))
extension = None # No need for an extension
if not assign.active:
extension = Extension.get_extension(current_user, assign)
if not extension:
flash("It's too late to submit this assignment", 'warning')
return redirect(url_for('.assignment', name=assign.name))
if request.method == "POST":
backup = Backup.create(
submitter=current_user,
assignment=assign,
submit=True,
)
assignment = backup.assignment
if extension:
backup.custom_submission_time = extension.custom_submission_time
templates = assignment.files or []
files = {}
def extract_file_index(file_ind):
""" Get the index of of file objects. Used because
request.files.getlist() does not handle uniquely indexed
lists.
>>> extract_file_index('file[12'])
12
"""
brace_loc = file_ind.find('[')
index_str = file_ind[brace_loc+1:-1]
return int(index_str)
# A list of one element lists
sorted_uploads = sorted(list(request.files.items()),
key=lambda x: extract_file_index(x[0]))
uploads = [v[1] for v in sorted_uploads]
full_path_names = list(request.form.listvalues())[0]
template_files = assign.files or []
file_names = [os.path.split(f)[1] for f in full_path_names]
missing = [t for t in template_files if t not in file_names]
if missing:
return jsonify({
'error': ('Missing files: {}. The following files are required: {}'
.format(', '.join(missing), ', '.join(template_files)))
}), 400
backup_folder_postfix = time.time()
for full_path, upload in zip(full_path_names, uploads):
data = upload.read()
if len(data) > MAX_UPLOAD_FILE_SIZE: # file is too large (over 25 MB)
return jsonify({
'error': ('{} is larger than the maximum file size of {} MB'
.format(full_path, MAX_UPLOAD_FILE_SIZE/1024/1024))
}), 400
try:
files[full_path] = str(data, 'utf-8')
except UnicodeDecodeError:
upload.stream.seek(0) # We've already read data, so reset before uploading
dest_folder = "uploads/{}/{}/{}/".format(assign.name, current_user.id, backup_folder_postfix)
bin_file = ExternalFile.upload(upload.stream, current_user.id, full_path,
staff_file=False, prefix=dest_folder,
course_id=assign.course.id,
backup=backup, assignment_id=assign.id)
db.session.add(bin_file)
message = Message(kind='file_contents', contents=files)
backup.messages.append(message)
db.session.add(backup)
db.session.commit()
# Send to continuous autograder
if assign.autograding_key and assign.continuous_autograding:
try:
submit_continuous(backup)
except ValueError as e:
flash('Did not send to autograder: {}'.format(e), 'warning')
return jsonify({
'backup': backup.hashid,
'url': url_for('.code', name=assign.name, submit=backup.submit,
bid=backup.id)
})
return render_template('student/assignment/submit.html', assignment=assign,
group=group, course=assign.course)