def import_course(course, new_courseid, username, course_factory):
if not id_checker(new_courseid):
raise ImportCourseException("Course with invalid name: " + new_courseid)
course_fs = course_factory.get_course_fs(new_courseid)
if course_fs.exists("course.yaml") or course_fs.exists("course.json"):
raise ImportCourseException("Course with id " + new_courseid + " already exists.")
try:
git.clone(course.get_link(), course_fs.prefix)
except:
raise ImportCourseException(_("Couldn't clone course into your instance"))
try:
old_descriptor = course_factory.get_course_descriptor_content(new_courseid)
except:
old_descriptor ={}
try:
new_descriptor = {"description": old_descriptor.get("description", ""),
'admins': [username],
"accessible": False,
"tags": old_descriptor.get("tags", {})}
if "name" in old_descriptor:
new_descriptor["name"] = old_descriptor["name"] + " - " + new_courseid
else:
new_descriptor["name"] = new_courseid
if "toc" in old_descriptor:
new_descriptor["toc"] = old_descriptor["toc"]
course_factory.update_course_descriptor_content(new_courseid, new_descriptor)
except:
course_factory.delete_course(new_courseid)
raise ImportCourseException(_("An error occur while editing the course description"))
get_course_logger(new_courseid).info("Course %s cloned from the marketplace.", new_courseid)
def create_course(self, courseid, init_content):
"""
:param courseid: the course id of the course
:param init_content: initial descriptor content
:raise InvalidNameException or CourseAlreadyExistsException
Create a new course folder and set initial descriptor content, folder can already exist
"""
if not id_checker(courseid):
raise InvalidNameException("Course with invalid name: " + courseid)
course_directory = os.path.join(self._tasks_directory, courseid)
if not os.path.exists(course_directory):
os.mkdir(course_directory)
base_file = os.path.join(course_directory, "course")
if not os.path.isfile(base_file +
".yaml") and not os.path.isfile(base_file +
".json"):
write_yaml(os.path.join(course_directory, "course.yaml"),
init_content)
else:
raise CourseAlreadyExistsException("Course with id " + courseid +
" already exists.")
get_course_logger(courseid).info("Course %s created in the factory.",
courseid)
def create_course(self, courseid, init_content):
"""
:param courseid: the course id of the course
:param init_content: initial descriptor content
:raise InvalidNameException or CourseAlreadyExistsException
Create a new course folder and set initial descriptor content, folder can already exist
"""
if not id_checker(courseid):
raise InvalidNameException("Course with invalid name: " + courseid)
course_fs = self.get_course_fs(courseid)
course_fs.ensure_exists()
if course_fs.exists("course.yaml") or course_fs.exists("course.json"):
raise CourseAlreadyExistsException("Course with id " + courseid +
" already exists.")
else:
course_fs.put("course.yaml",
get_json_or_yaml("course.yaml", init_content))
get_course_logger(courseid).info("Course %s created in the factory.",
courseid)
self._hook_manager.call_hook('course_created',
courseid=courseid,
new_content=init_content)
def get_all_courses(self):
"""
:return: a table containing courseid=>Course pairs
"""
course_ids = [f[0:len(f)-1] for f in self._filesystem.list(folders=True, files=False, recursive=False)] # remove trailing "/"
output = {}
for courseid in course_ids:
try:
output[courseid] = self.get_course(courseid)
except Exception:
get_course_logger(courseid).warning("Cannot open course", exc_info=True)
return output
def get_all_courses(self):
"""
:return: a table containing courseid=>Course pairs
"""
course_ids = [os.path.splitext(f)[0] for f in os.listdir(self._tasks_directory) if
os.path.isfile(os.path.join(self._tasks_directory, f, "course.yaml")) or
os.path.isfile(os.path.join(self._tasks_directory, f, "course.json"))]
output = {}
for courseid in course_ids:
try:
output[courseid] = self.get_course(courseid)
except Exception as e: # todo log the error
get_course_logger(courseid).warning("Cannot open course", exc_info=True)
return output
def get_all_courses(self):
"""
:return: a table containing courseid=>Course pairs
"""
course_ids = [
f[0:len(f) - 1] for f in self._filesystem.list(
folders=True, files=False, recursive=False)
] # remove trailing "/"
output = {}
for courseid in course_ids:
try:
output[courseid] = self.get_course(courseid)
except Exception:
get_course_logger(courseid).warning("Cannot open course",
exc_info=True)
return output
def delete_task(self, courseid, taskid):
""" Erase the content of the task folder
:param courseid: the course id of the course
:param taskid: the task id of the task
:raise: InvalidNameException or CourseNotFoundException
"""
if not id_checker(courseid):
raise InvalidNameException("Course with invalid name: " + courseid)
if not id_checker(taskid):
raise InvalidNameException("Task with invalid name: " + taskid)
task_fs = self.get_task_fs(courseid, taskid)
if task_fs.exists():
task_fs.delete()
get_course_logger(courseid).info("Task %s erased from the factory.", taskid)
def delete_course(self, courseid):
"""
:param courseid: the course id of the course
:raise InvalidNameException or CourseNotFoundException
Erase the content of the course folder
"""
if not id_checker(courseid):
raise InvalidNameException("Course with invalid name: " + courseid)
course_directory = os.path.join(self._tasks_directory, courseid)
if not os.path.exists(course_directory):
raise CourseNotFoundException()
shutil.rmtree(course_directory)
get_course_logger(courseid).info("Course %s erased from the factory.", courseid)
def delete_course(self, courseid):
"""
:param courseid: the course id of the course
:raise InvalidNameException or CourseNotFoundException
Erase the content of the course folder
"""
if not id_checker(courseid):
raise InvalidNameException("Course with invalid name: " + courseid)
course_fs = self.get_course_fs(courseid)
if not course_fs.exists():
raise CourseNotFoundException()
course_fs.delete()
get_course_logger(courseid).info("Course %s erased from the factory.", courseid)
def delete_course(self, courseid):
"""
:param courseid: the course id of the course
:raise InvalidNameException or CourseNotFoundException
Erase the content of the course folder
"""
if not id_checker(courseid):
raise InvalidNameException("Course with invalid name: " + courseid)
course_fs = self.get_course_fs(courseid)
if not course_fs.exists():
raise CourseNotFoundException()
course_fs.delete()
get_course_logger(courseid).info("Course %s erased from the factory.",
courseid)
def create_course(self, courseid, init_content):
"""
:param courseid: the course id of the course
:param init_content: initial descriptor content
:raise InvalidNameException or CourseAlreadyExistsException
Create a new course folder and set initial descriptor content, folder can already exist
"""
if not id_checker(courseid):
raise InvalidNameException("Course with invalid name: " + courseid)
course_fs = self.get_course_fs(courseid)
course_fs.ensure_exists()
if course_fs.exists("course.yaml") or course_fs.exists("course.json"):
raise CourseAlreadyExistsException("Course with id " + courseid + " already exists.")
else:
course_fs.put("course.yaml", get_json_or_yaml("course.yaml", init_content))
get_course_logger(courseid).info("Course %s created in the factory.", courseid)
def create_task(self, course, taskid, init_content):
""" Create a new course folder and set initial descriptor content, folder can already exist
:param course: a Course object
:param taskid: the task id of the task
:param init_content: initial descriptor content
:raise: InvalidNameException or TaskAlreadyExistsException
"""
if not id_checker(taskid):
raise InvalidNameException("Task with invalid name: " + taskid)
task_fs = self.get_task_fs(course.get_id(), taskid)
task_fs.ensure_exists()
if task_fs.exists("task.yaml"):
raise TaskAlreadyExistsException("Task with id " + taskid + " already exists.")
else:
task_fs.put("task.yaml", get_json_or_yaml("task.yaml", init_content))
get_course_logger(course.get_id()).info("Task %s created in the factory.", taskid)
def delete_task(self, courseid, taskid):
"""
:param courseid: the course id of the course
:param taskid: the task id of the task
:raise InvalidNameException or CourseNotFoundException
Erase the content of the task folder
"""
if not id_checker(courseid):
raise InvalidNameException("Course with invalid name: " + courseid)
if not id_checker(taskid):
raise InvalidNameException("Task with invalid name: " + taskid)
task_fs = self.get_task_fs(courseid, taskid)
if not task_fs.exists():
raise TaskNotFoundException()
task_fs.delete()
get_course_logger(courseid).info("Task %s erased from the factory.",
taskid)
self._hook_manager.call_hook('task_deleted',
courseid=courseid,
taskid=taskid)
def _validate_list(self, usernames, coursename):
""" Prevent MongoDB injections by verifying arrays sent to it """
for i in usernames:
if not username_checker(i):
get_course_logger(coursename).debug("invalid username in list")
raise web.notfound()
