def get_user_grade(self):
""" Returns the grade (a floating-point number between 0 and 100) of the student """
import frontend.user as User # insert here to avoid initialisation of session
task_cache = User.get_data().get_task_data(self.get_course_id(), self.get_id())
if task_cache is None:
return 0.0
return task_cache.get("grade", 0.0)
def get_user_status(self):
""" Returns "succeeded" if the current user solved this task, "failed" if he failed, and "notattempted" if he did not try it yet """
import frontend.user as User # insert here to avoid initialisation of session
task_cache = User.get_data().get_task_data(self.get_course_id(), self.get_id())
if task_cache is None:
return "notviewed"
if task_cache["tried"] == 0:
return "notattempted"
return "succeeded" if task_cache["succeeded"] else "failed"
def GET(self, courseid, taskid):
""" GET request """
if User.is_logged_in():
try:
course = FrontendCourse(courseid)
if not course.is_open_to_user(User.get_username()):
return renderer.course_unavailable()
task = course.get_task(taskid)
if not task.is_visible_by_user(User.get_username()):
return renderer.task_unavailable()
User.get_data().view_task(courseid, taskid)
userinput = web.input()
if "submissionid" in userinput and "questionid" in userinput:
# Download a previously submitted file
submission = submission_manager.get_submission(userinput["submissionid"], True)
if submission is None:
raise web.notfound()
sinput = submission_manager.get_input_from_submission(submission, True)
if userinput["questionid"] not in sinput:
raise web.notfound()
if isinstance(sinput[userinput["questionid"]], dict):
# File uploaded previously
mimetypes.init()
mime_type = mimetypes.guess_type(urllib.pathname2url(sinput[userinput["questionid"]]['filename']))
web.header('Content-Type', mime_type[0])
return base64.b64decode(sinput[userinput["questionid"]]['value'])
else:
# Other file, download it as text
web.header('Content-Type', 'text/plain')
return sinput[userinput["questionid"]]
else:
# Display the task itself
return renderer.task(course, task, submission_manager.get_user_submissions(task))
except:
if web.config.debug:
raise
else:
raise web.notfound()
else:
return renderer.index(False)
def POST(self, courseid, taskid):
""" POST a new submission """
if User.is_logged_in():
try:
course = FrontendCourse(courseid)
if not course.is_open_to_user(User.get_username()):
return renderer.course_unavailable()
task = course.get_task(taskid)
if not task.is_visible_by_user(User.get_username()):
return renderer.task_unavailable()
User.get_data().view_task(courseid, taskid)
userinput = web.input()
if "@action" in userinput and userinput["@action"] == "submit":
# Verify rights
if not task.can_user_submit(User.get_username()):
return json.dumps({"status": "error", "text": "The deadline is over"})
# Reparse user input with array for multiple choices
init_var = self.list_multiple_multiple_choices_and_files(task)
userinput = task.adapt_input_for_backend(web.input(**init_var))
if not task.input_is_consistent(userinput):
web.header('Content-Type', 'application/json')
return json.dumps({"status": "error", "text": "Please answer to all the questions. Your responses were not tested."})
del userinput['@action']
# Get debug info if the current user is an admin
debug = User.get_username() in course.get_admins()
# Start the submission
submissionid = submission_manager.add_job(task, userinput, debug)
web.header('Content-Type', 'application/json')
return json.dumps({"status": "ok", "submissionid": str(submissionid)})
elif "@action" in userinput and userinput["@action"] == "check" and "submissionid" in userinput:
if submission_manager.is_done(userinput['submissionid']):
web.header('Content-Type', 'application/json')
result = submission_manager.get_submission(userinput['submissionid'])
result = submission_manager.get_input_from_submission(result)
return self.submission_to_json(result, User.get_username() in course.get_admins())
else:
web.header('Content-Type', 'application/json')
return json.dumps({'status': "waiting"})
elif "@action" in userinput and userinput["@action"] == "load_submission_input" and "submissionid" in userinput:
submission = submission_manager.get_submission(userinput["submissionid"])
submission = submission_manager.get_input_from_submission(submission)
if not submission:
raise web.notfound()
web.header('Content-Type', 'application/json')
return self.submission_to_json(submission, (User.get_username() in course.get_admins()), True)
else:
raise web.notfound()
except:
if web.config.debug:
raise
else:
raise web.notfound()
else:
return renderer.index(False)
