def _cache_update_needed(self, courseid):
"""
:param courseid: the (valid) course id of the course
:raise InvalidNameException, CourseNotFoundException
:return: True if an update of the cache is needed, False else
"""
if courseid not in self._cache:
return True
try:
descriptor_name = self._get_course_descriptor_path(courseid)
last_update = {
descriptor_name:
self._filesystem.get_last_modification_time(descriptor_name)
}
translations_fs = self._filesystem.from_subfolder("$i18n")
if translations_fs.exists():
for f in translations_fs.list(folders=False,
files=True,
recursive=False):
lang = f[0:len(f) - 3]
if translations_fs.exists(lang + ".mo"):
last_update[
"$i18n/" + lang +
".mo"] = translations_fs.get_last_modification_time(
lang + ".mo")
except:
raise CourseNotFoundException()
last_modif = self._cache[courseid][1]
for filename, mftime in last_update.items():
if filename not in last_modif or last_modif[filename] < mftime:
return True
return False
def _get_course_descriptor_path(self, courseid):
"""
:param courseid: the course id of the course
:raise InvalidNameException, CourseNotFoundException
:return: the path to the descriptor of the course
"""
if not id_checker(courseid):
raise InvalidNameException("Course with invalid name: " + courseid)
course_fs = self.get_course_fs(courseid)
if course_fs.exists("course.yaml"):
return courseid + "/course.yaml"
if course_fs.exists("course.json"):
return courseid + "/course.json"
raise CourseNotFoundException()
def _get_template_descriptor_path(self, courseid):
"""
[Source code integration]: generalise with get_course_descriptor_path
:param courseid: the course id of the course
:raise InvalidNameException, CourseNotFoundException
:return: the path to the description of the template
"""
if not id_checker(courseid):
raise InvalidNameException("Template with invalid name: " +
courseid)
course_fs = self.get_course_fs(courseid)
if course_fs.exists("template.yaml"):
return courseid + "/template.yaml"
raise CourseNotFoundException()
def _get_course_descriptor_path(self, courseid):
"""
:param courseid: the course id of the course
:raise InvalidNameException, CourseNotFoundException
:return: the path to the descriptor of the course
"""
if not id_checker(courseid):
raise InvalidNameException("Course with invalid name: " + courseid)
base_file = os.path.join(self._tasks_directory, courseid, "course")
if os.path.isfile(base_file + ".yaml"):
return base_file + ".yaml"
elif os.path.isfile(base_file + ".json"):
return base_file + ".json"
else:
raise CourseNotFoundException()
def _cache_update_needed(self, courseid):
"""
:param courseid: the (valid) course id of the course
:raise InvalidNameException, CourseNotFoundException
:return: True if an update of the cache is needed, False else
"""
if courseid not in self._cache:
return True
try:
last_update = os.stat(self._get_course_descriptor_path(courseid)).st_mtime
except:
raise CourseNotFoundException()
if self._cache[courseid][1] < last_update:
return True
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 get_marketplace_course(courseid):
courses = get_all_marketplace_courses()
if courseid not in courses:
raise CourseNotFoundException("Marketplace course not found")
return courses[courseid]