def create_assignment_rpc(course, name, file, command, batch_size,
grading_base):
assignment: Assignment = Assignment.query.filter_by(
name=name, course=course,
endpoint=get_endpoint(course=course)).one_or_none()
if not assignment:
assignment = Assignment(
name=name,
assignment_secret=new_secret(),
course=course,
endpoint=get_endpoint(course=course),
)
db.session.add(assignment)
assignment.file = file
assignment.command = command
assignment.last_modified = int(time.time())
assignment.batch_size = batch_size
assignment.grading_base = grading_base
db.session.commit()
return assignment.assignment_secret
