def children_recursion(parent):
if not "children" in parent:
return []
result = []
for o in [o for o in parent["children"] if "key" in o]:
of = _type_dict(o, course.get("exercise_types", {}))
if "config" in of:
_, exercise = config.exercise_entry(course["key"], str(of["key"]), '_root')
of = export.exercise(request, course, exercise, of)
elif "static_content" in of:
of = export.chapter(request, course, of)
of["children"] = children_recursion(o)
result.append(of)
return result
def children_recursion(parent):
if not "children" in parent:
return []
result = []
for o in [o for o in parent["children"] if "key" in o]:
of = _type_dict(o, course.get("exercise_types", {}))
if "config" in of:
_, exercise = config.exercise_entry(course["key"], str(of["key"]), '_root')
of = export.exercise(request, course, exercise, of)
elif "static_content" in of:
of = export.chapter(request, course, of)
of["children"] = children_recursion(o)
result.append(of)
return result
def configure(request):
'''
Configure a course according to the gitmanager protocol.
'''
if request.method != "POST":
return HttpResponse(status=405)
if request.POST.get("publish"):
return publish(request)
if "exercises" not in request.POST or "course_id" not in request.POST:
return HttpResponse("Missing exercises or course_id", status=400)
try:
exercises = json.loads(request.POST["exercises"])
except (JSONDecodeError, ValueError) as e:
LOGGER.info(f"Invalid exercises field: {e}")
return HttpResponse(f"Invalid exercises field: {e}", status=400)
course_id = request.POST["course_id"]
try:
access_write_check(request, course_id)
except PermissionDenied as e:
SecurityLog.reject(request, f"CONFIGURE",
f"course_id={course_id}: {e}")
raise
except ValueError as e:
LOGGER.info(f"Invalid course_id field: {e}")
return HttpResponse(f"Invalid course_id field: {e}", status=400)
SecurityLog.accept(request, f"CONFIGURE", f"course_id={course_id}")
root_dir = Path(settings.COURSE_STORE)
course_path = root_dir / course_id
if course_path.exists():
try:
rmtree(course_path)
except OSError:
LOGGER.exception("Failed to remove old stored course files")
return HttpResponse("Failed to remove old stored course files",
status=500)
course_files_path = course_path / EXTERNAL_FILES_DIR
course_exercises_path = course_path / EXTERNAL_EXERCISES_DIR
version_id_path = root_dir / (course_id + ".version")
course_files_path.mkdir(parents=True, exist_ok=True)
course_exercises_path.mkdir(parents=True, exist_ok=True)
if "files" in request.FILES:
tar_file = request.FILES["files"].file
tarh = TarFile(fileobj=tar_file)
tarh.extractall(course_files_path)
course_config = {
"name": course_id,
"exercises": [ex["key"] for ex in exercises],
"exercise_loader": "access.config._ext_exercise_loader",
}
try:
with open(course_path / "index.json", "w") as f:
json.dump(course_config, f)
for info in exercises:
with open(course_exercises_path / (info["key"] + ".json"),
"w") as f:
json.dump(info["config"], f)
except OSError as e:
LOGGER.exception("Failed to dump configuration JSONs to files")
return HttpResponse("Failed to dump configuration JSONs to files: {e}",
status=500)
if "version_id" in request.POST:
try:
with open(version_id_path, "w") as f:
f.write(request.POST["version_id"])
except OSError as e:
LOGGER.exception("Failed to write version id file")
return HttpResponse("Failed to write version id file: {e}",
status=500)
elif version_id_path.exists():
try:
rm_path(version_id_path)
except OSError as e:
LOGGER.exception("Failed to remove version id file")
return HttpResponse("Failed to remove version id file: {e}",
status=500)
course_config = config._course_root_from_root_dir(course_id, root_dir)
defaults = {}
for info in exercises:
of = info["spec"]
if info.get("config"):
of["config"] = info["key"] + ".json"
course, exercise = config.exercise_entry(course_config,
info["key"], "_root")
of = export.exercise(request, course, exercise, of)
defaults[of["key"]] = of
return JsonResponse(defaults)