def __init__(self, db_path, drive):
"""
:param str db_path: A unique path for the database to store items for the target drive.
:param onedrive_d.api.drives.DriveObject drive: The underlying drive object.
"""
if not hasattr(drive, 'storage_lock'):
drive.storage_lock = rwlock.RWLock()
self.lock = drive.storage_lock
self._conn = sqlite3.connect(db_path, isolation_level=None, check_same_thread=False)
self.drive = drive
self._cursor = self._conn.cursor()
self._cursor.execute(get_content('onedrive_items.sql'))
self._conn.commit()
atexit.register(self.close)
def get_sample_task_pool():
p = task_pool.TaskPool()
p._lock = rwlock.RWLock()
p._semaphore = threading.Semaphore(0)
return p
def get_instance(cls):
if cls._instance is None:
cls._semaphore = threading.Semaphore(0)
cls._lock = rwlock.RWLock()
cls._instance = TaskPool()
return cls._instance