def remove_lock_file(_file):
"""Remove a specific lock file (not logged to locks_log.csv)"""
locks_directory = SharedData.get_locks_directory()
os.remove(os.path.join(locks_directory, _file))
logger.log("lock file was removed manually", _file, logger.WARNING)
def watch_students(student_list, students, lab, use_locks):
"""Register paths when the filtered list is created"""
paths = [
SharedData.get_locks_directory(),
SharedData.get_flags_directory()
]
data.fs_watch.fs_watch_register(paths, "student_list_watch",
fill_student_list, student_list, students,
lab, use_locks, student_select_fn)
def unlock_all_labs_by_grader(username: str):
"""Remove all lock files for a given grader"""
# Look at all lock files
for lock in get_lock_files():
lock_parts = lock.split(".")
# Only look at the lock files graded by the current grader
if lock_parts[0] == username:
os.remove(os.path.join(SharedData.get_locks_directory(), lock))
logger.log("All locks under the current grader were removed",
logger.WARNING)
def get_lock_file_path(student: Student, lab: Lab = None):
"""Return path for lock file"""
username = getpass.getuser()
# We can safely store both lab+student and lab locks in the
# Same directory
if lab:
lab_name = lab.get_unique_name()
student_name = student.get_unique_name()
lock_path = f"{username}.{lab_name}.{student_name}.lock"
else:
student_name = student.get_unique_name()
lock_path = f"{username}.{student_name}.lock"
return os.path.join(SharedData.get_locks_directory(), lock_path)
def unlock_all_labs():
"""Remove all locks"""
for lock in get_lock_files():
os.remove(os.path.join(SharedData.get_locks_directory(), lock))
def get_lock_files():
"""Return a list of all lock files"""
return [
l for l in os.listdir(SharedData.get_locks_directory())
if l.endswith(".lock")
]