def GET(self, courseid, taskid, path): # pylint: disable=arguments-differ
""" GET request """
try:
course = self.course_factory.get_course(courseid)
if not self.user_manager.course_is_open_to_user(course):
return handle_course_unavailable(self.app.get_homepath(), self.template_helper, self.user_manager, course)
path_norm = posixpath.normpath(urllib.parse.unquote(path))
if taskid == "$common":
public_folder = course.get_fs().from_subfolder("$common").from_subfolder("public")
else:
task = course.get_task(taskid)
if not self.user_manager.task_is_visible_by_user(task): # ignore LTI check here
return self.template_helper.render("task_unavailable.html")
public_folder = task.get_fs().from_subfolder("public")
(method, mimetype_or_none, file_or_url) = public_folder.distribute(path_norm, False)
if method == "local":
return Response(response=file_or_url, content_type=mimetype_or_none)
elif method == "url":
return redirect(file_or_url)
else:
raise NotFound()
except TaskNotFoundException:
raise NotFound()
except HTTPException as error_or_redirect:
raise error_or_redirect
def POST_AUTH(self):
data = request.form
username = self.user_manager.session_username()
language = self.user_manager.session_language()
courseid = data.get("courseid", None)
taskid = data.get("taskid", None)
course = self.course_factory.get_course(courseid)
if not self.user_manager.course_is_open_to_user(
course, username, self.is_lti_page()):
return handle_course_unavailable(self.cp.app.get_homepath(),
self.template_helper,
self.user_manager, course)
task = course.get_task(taskid)
if not self.user_manager.task_can_user_submit(task, username, None,
self.is_lti_page()):
raise Forbidden(_("Task unavailable"))
problemid = data.get("problemid", "")
problems = task.get_problems()
hints = ""
for problem in problems:
if problem.get_id() == problemid:
hints = str(
ParsableText(
problem.gettext(language, problem._hints),
"rst",
translation=problem.get_translation_obj(language)))
if hints:
user_tasks = self.database.user_tasks.find_one({
"username": username,
"courseid": courseid,
"taskid": taskid
})
try:
state = json.loads(user_tasks.get("state", "{}"))
except:
state = {}
state.setdefault("hints", {})[problemid] = True
self.database.user_tasks.update_one(
{
"username": username,
"courseid": courseid,
"taskid": taskid
}, {"$set": {
"state": json.dumps(state)
}})
return hints
def GET(self, courseid, taskid, path): # pylint: disable=arguments-differ
""" GET request """
try:
course = self.course_factory.get_course(courseid)
if not self.user_manager.course_is_open_to_user(course):
return handle_course_unavailable(self.app.get_homepath(),
self.template_helper,
self.user_manager, course)
path_norm = posixpath.normpath(urllib.parse.unquote(path))
if taskid == "$common":
public_folder = course.get_fs().from_subfolder(
"$common").from_subfolder("public")
else:
task = course.get_task(taskid)
if not self.user_manager.task_is_visible_by_user(
task): # ignore LTI check here
return self.template_helper.get_renderer(
).task_unavailable()
public_folder = task.get_fs().from_subfolder("public")
(method, mimetype_or_none,
file_or_url) = public_folder.distribute(path_norm, False)
if method == "local":
web.header('Content-Type', mimetype_or_none)
return file_or_url
elif method == "url":
raise web.redirect(file_or_url)
else:
raise web.notfound()
except web.HTTPError as error_or_redirect:
raise error_or_redirect
except:
if web.config.debug:
raise
else:
raise web.notfound()
def POST(self, courseid, taskid, isLTI):
""" POST a new submission """
username = self.user_manager.session_username()
course = self.course_factory.get_course(courseid)
if not self.user_manager.course_is_open_to_user(
course, username, isLTI):
return handle_course_unavailable(self.cp.app.get_homepath(),
self.template_helper,
self.user_manager, course)
task = course.get_task(taskid)
if not self.user_manager.task_is_visible_by_user(
task, username, isLTI):
return self.template_helper.get_renderer().task_unavailable()
self.user_manager.user_saw_task(username, courseid, taskid)
is_staff = self.user_manager.has_staff_rights_on_course(
course, username)
is_admin = self.user_manager.has_admin_rights_on_course(
course, username)
userinput = web.input()
if "@action" in userinput and userinput["@action"] == "submit":
# Verify rights
if not self.user_manager.task_can_user_submit(
task, username, isLTI):
return json.dumps({
"status":
"error",
"title":
_("Error"),
"text":
_("You are not allowed to submit for this task.")
})
# Retrieve input random and check still valid
random_input = self.database.user_tasks.find_one(
{
"courseid": task.get_course_id(),
"taskid": task.get_id(),
"username": username
}, {"random": 1})
random_input = random_input[
"random"] if "random" in random_input else []
for i in range(0, len(random_input)):
s = "@random_" + str(i)
if s not in userinput or float(
userinput[s]) != random_input[i]:
return json.dumps({
"status":
"error",
"title":
_("Error"),
"text":
_("Your task has been regenerated. This current task is outdated."
)
})
# Reparse user input with array for multiple choices
init_var = {
problem.get_id(): problem.input_type()()
for problem in task.get_problems()
if problem.input_type() in [dict, list]
}
userinput = task.adapt_input_for_backend(web.input(**init_var))
if not task.input_is_consistent(
userinput, self.default_allowed_file_extensions,
self.default_max_file_size):
web.header('Content-Type', 'application/json')
return json.dumps({
"status":
"error",
"title":
_("Error"),
"text":
_("Please answer to all the questions and verify the extensions of the files "
"you want to upload. Your responses were not tested.")
})
del userinput['@action']
# Get debug info if the current user is an admin
debug = is_admin
if "@debug-mode" in userinput:
if userinput["@debug-mode"] == "ssh" and debug:
debug = "ssh"
del userinput['@debug-mode']
# Start the submission
try:
submissionid, oldsubids = self.submission_manager.add_job(
task, userinput, debug)
web.header('Content-Type', 'application/json')
return json.dumps({
"status":
"ok",
"submissionid":
str(submissionid),
"remove":
oldsubids,
"text":
_("<b>Your submission has been sent...</b>")
})
except Exception as ex:
web.header('Content-Type', 'application/json')
return json.dumps({
"status": "error",
"title": _("Error"),
"text": str(ex)
})
elif "@action" in userinput and userinput[
"@action"] == "check" and "submissionid" in userinput:
result = self.submission_manager.get_submission(
userinput['submissionid'], user_check=not is_staff)
if result is None:
web.header('Content-Type', 'application/json')
return json.dumps({
'status': "error",
"title": _("Error"),
"text": _("Internal error")
})
elif self.submission_manager.is_done(result,
user_check=not is_staff):
web.header('Content-Type', 'application/json')
result = self.submission_manager.get_input_from_submission(
result)
result = self.submission_manager.get_feedback_from_submission(
result, show_everything=is_staff)
# user_task always exists as we called user_saw_task before
user_task = self.database.user_tasks.find_one({
"courseid":
task.get_course_id(),
"taskid":
task.get_id(),
"username": {
"$in": result["username"]
}
})
default_submissionid = user_task.get('submissionid', None)
if default_submissionid is None:
# This should never happen, as user_manager.update_user_stats is called whenever a submission is done.
return json.dumps({
'status': "error",
"title": _("Error"),
"text": _("Internal error")
})
return self.submission_to_json(
task,
result,
is_admin,
False,
default_submissionid == result['_id'],
tags=course.get_tags())
else:
web.header('Content-Type', 'application/json')
return self.submission_to_json(task,
result,
is_admin,
False,
tags=course.get_tags())
elif "@action" in userinput and userinput[
"@action"] == "load_submission_input" and "submissionid" in userinput:
submission = self.submission_manager.get_submission(
userinput["submissionid"], user_check=not is_staff)
submission = self.submission_manager.get_input_from_submission(
submission)
submission = self.submission_manager.get_feedback_from_submission(
submission, show_everything=is_staff)
if not submission:
raise web.notfound()
web.header('Content-Type', 'application/json')
return self.submission_to_json(task,
submission,
is_admin,
True,
tags=course.get_tags())
elif "@action" in userinput and userinput[
"@action"] == "kill" and "submissionid" in userinput:
self.submission_manager.kill_running_submission(
userinput["submissionid"]) # ignore return value
web.header('Content-Type', 'application/json')
return json.dumps({'status': 'done'})
elif "@action" in userinput and userinput[
"@action"] == "set_submission" and "submissionid" in userinput:
web.header('Content-Type', 'application/json')
if task.get_evaluate() != 'student':
return json.dumps({'status': "error"})
if self.set_selected_submission(course, task,
userinput["submissionid"]):
return json.dumps({'status': 'done'})
else:
return json.dumps({'status': 'error'})
else:
raise web.notfound()
def GET(self, courseid, taskid, is_LTI):
""" GET request """
username = self.user_manager.session_username()
# Fetch the course
try:
course = self.course_factory.get_course(courseid)
except exceptions.CourseNotFoundException as ex:
raise web.notfound(str(ex))
if is_LTI and not self.user_manager.course_is_user_registered(course):
self.user_manager.course_register_user(course, force=True)
if not self.user_manager.course_is_open_to_user(
course, username, is_LTI):
return handle_course_unavailable(self.cp.app.get_homepath(),
self.template_helper,
self.user_manager, course)
# Fetch the task
try:
tasks = OrderedDict((tid, t)
for tid, t in course.get_tasks().items()
if self.user_manager.task_is_visible_by_user(
t, username, is_LTI))
task = tasks[taskid]
except KeyError:
raise web.notfound()
if not self.user_manager.task_is_visible_by_user(
task, username, is_LTI):
return self.template_helper.get_renderer().task_unavailable()
# Compute previous and next taskid
keys = list(tasks.keys())
index = keys.index(taskid)
previous_taskid = keys[index - 1] if index > 0 else None
next_taskid = keys[index + 1] if index < len(keys) - 1 else None
self.user_manager.user_saw_task(username, courseid, taskid)
is_staff = self.user_manager.has_staff_rights_on_course(
course, username)
userinput = web.input()
if "submissionid" in userinput and "questionid" in userinput:
# Download a previously submitted file
submission = self.submission_manager.get_submission(
userinput["submissionid"], user_check=not is_staff)
if submission is None:
raise web.notfound()
sinput = self.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.request.pathname2url(
sinput[userinput["questionid"]]['filename']))
web.header('Content-Type', mime_type[0])
return sinput[userinput["questionid"]]['value']
else:
# Other file, download it as text
web.header('Content-Type', 'text/plain')
return sinput[userinput["questionid"]]
else:
# Generate random inputs and save it into db
random.seed(
str(username if username is not None else "") + taskid +
courseid +
str(time.time() if task.regenerate_input_random() else ""))
random_input_list = [
random.random() for i in range(task.get_number_input_random())
]
user_task = self.database.user_tasks.find_one_and_update(
{
"courseid": task.get_course_id(),
"taskid": task.get_id(),
"username": self.user_manager.session_username()
}, {"$set": {
"random": random_input_list
}},
return_document=ReturnDocument.AFTER)
submissionid = user_task.get('submissionid', None)
eval_submission = self.database.submissions.find_one(
{'_id': ObjectId(submissionid)}) if submissionid else None
students = [self.user_manager.session_username()]
if task.is_group_task(
) and not self.user_manager.has_admin_rights_on_course(
course, username):
group = self.database.groups.find_one({
"courseid":
task.get_course_id(),
"students":
self.user_manager.session_username()
})
if group is not None:
students = group["students"]
# we don't care for the other case, as the student won't be able to submit.
submissions = self.submission_manager.get_user_submissions(
task) if self.user_manager.session_logged_in() else []
user_info = self.database.users.find_one({"username": username})
# Display the task itself
return self.template_helper.get_renderer().task(
user_info, course, task, submissions, students,
eval_submission, user_task, previous_taskid, next_taskid,
self.webterm_link, random_input_list)
def GET(self, courseid, taskid, is_LTI):
""" GET request """
username = self.user_manager.session_username()
# Fetch the course
try:
course = self.course_factory.get_course(courseid)
except CourseNotFoundException as ex:
raise web.notfound(str(ex))
if is_LTI and not self.user_manager.course_is_user_registered(course):
self.user_manager.course_register_user(course, force=True)
if not self.user_manager.course_is_open_to_user(
course, username, is_LTI):
return handle_course_unavailable(self.cp.app.get_homepath(),
self.template_helper,
self.user_manager, course)
is_staff = self.user_manager.has_staff_rights_on_course(
course, username)
try:
task = course.get_task(taskid)
if not self.user_manager.task_is_visible_by_user(
task, username, is_LTI):
return self.template_helper.render("task_unavailable.html")
except TaskNotFoundException:
raise web.notfound()
user_task_list = course.get_task_dispenser().get_user_task_list(
[username])[username]
if taskid not in user_task_list:
previous_taskid = None
next_taskid = None
else:
# Compute previous and next taskid
index = user_task_list.index(taskid)
previous_taskid = user_task_list[index - 1] if index > 0 else None
next_taskid = user_task_list[
index + 1] if index < len(user_task_list) - 1 else None
self.user_manager.user_saw_task(username, courseid, taskid)
is_staff = self.user_manager.has_staff_rights_on_course(
course, username)
userinput = web.input()
if "submissionid" in userinput and "questionid" in userinput:
# Download a previously submitted file
submission = self.submission_manager.get_submission(
userinput["submissionid"], user_check=not is_staff)
if submission is None:
raise self.cp.app.notfound(
message=_("Submission doesn't exist."))
sinput = self.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.request.pathname2url(
sinput[userinput["questionid"]]['filename']))
web.header('Content-Type', mime_type[0])
return sinput[userinput["questionid"]]['value']
else:
# Other file, download it as text
web.header('Content-Type', 'text/plain')
return sinput[userinput["questionid"]]
else:
# Generate random inputs and save it into db
random.seed(
str(username if username is not None else "") + taskid +
courseid +
str(time.time() if task.regenerate_input_random() else ""))
random_input_list = [
random.random() for i in range(task.get_number_input_random())
]
user_task = self.database.user_tasks.find_one_and_update(
{
"courseid": task.get_course_id(),
"taskid": task.get_id(),
"username": self.user_manager.session_username()
}, {"$set": {
"random": random_input_list
}},
return_document=ReturnDocument.AFTER)
submissionid = user_task.get('submissionid', None)
eval_submission = self.database.submissions.find_one(
{'_id': ObjectId(submissionid)}) if submissionid else None
students = [self.user_manager.session_username()]
if task.is_group_task(
) and not self.user_manager.has_admin_rights_on_course(
course, username):
group = self.database.groups.find_one({
"courseid":
task.get_course_id(),
"students":
self.user_manager.session_username()
})
if group is not None:
students = group["students"]
# we don't care for the other case, as the student won't be able to submit.
submissions = self.submission_manager.get_user_submissions(
task) if self.user_manager.session_logged_in() else []
user_info = self.user_manager.get_user_info(username)
# Visible tags
course_tags = course.get_tags()
task_categories = task.get_categories()
visible_tags = [
course_tags[category] for category in task_categories
if course_tags[category].is_visible_for_student()
or self.user_manager.has_staff_rights_on_course(course)
]
# Problem dict
pdict = {
problem.get_id(): problem.get_type()
for problem in task.get_problems()
}
is_input_list = {
problem.get_id(): 1 if problem.input_type() == list else 0
for problem in task.get_problems()
}
# Display the task itself
return self.template_helper.render(
"task.html",
user_info=user_info,
course=course,
task=task,
submissions=submissions,
students=students,
eval_submission=eval_submission,
user_task=user_task,
previous_taskid=previous_taskid,
next_taskid=next_taskid,
webterm_link=self.webterm_link,
input_random_list=random_input_list,
visible_tags=visible_tags,
pdict=pdict,
is_input_list=is_input_list)