def __init__(self, name="./db/levelrec-test", init=True):
if init:
try:
plyvel.destroy_db(name)
except:
pass
self.db = plyvel.DB(name, create_if_missing=True)
def _clear_yesterday(now):
global lvl_db_map
yes_root = path.expanduser(_root_date(now - ONEDAY_Delta))
yes_db = lvl_db_map.pop(yes_root, None)
if yes_db:
yes_db.close()
plyvel.destroy_db(yes_root)
def destroy_db(self):
try:
from plyvel import destroy_db
except ImportError:
raise ImportError("LevelDB requires the plyvel \
library which is not available for import.")
self.db.close()
destroy_db(str(self.db_path))
def test_destroy_db(db_dir):
db_dir = os.path.join(db_dir, 'subdir')
db = plyvel.DB(db_dir, create_if_missing=True)
db.put(b'foo', b'bar')
db.close()
del db
plyvel.destroy_db(db_dir)
assert not os.path.lexists(db_dir)
def test_destroy_db():
with tmp_db('destroy', create=False, delete=False) as name:
db = DB(name, create_if_missing=True)
db.put(b'foo', b'bar')
db.close()
del db
plyvel.destroy_db(name)
assert not os.path.lexists(name)
def test_destroy_db(db_dir):
db_dir = os.path.join(db_dir, 'subdir')
db = plyvel.DB(db_dir, create_if_missing=True)
db.put(b'foo', b'bar')
db.close()
del db
plyvel.destroy_db(db_dir)
assert not os.path.lexists(db_dir)
def db():
plyvel.destroy_db("./taskdb")
db = plyvel.DB("../taskdb", create_if_missing=True)
tasks = (Todo("Buy bananas",
"High"), Todo("Read new Batman comic", done=True),
Todo("Schedule doctor appointment", "Low"))
for task in tasks:
db.put(bytes(task.description, encoding='utf-8'), pickle.dumps(task))
yield db
db.close()
plyvel.destroy_db("../taskdb")
def destroy():
""" close all databases dir """
tables = config['database']['tables']
logger.info('leveldb drop all databases ' + str(tables))
for table in tables:
if table is not None:
try:
dir = config['database']['path'] + table + '/'
l.destroy_db(dir)
except:
# print(table + ' is not exist')
continue
logger.info('leveldb destroy...')
def clear(self):
logging.info('clearing all data')
self.closeDatabases()
plyvel.destroy_db(self.databasePath + '/mdbSM')
plyvel.destroy_db(self.databasePath + '/mdbMS')
plyvel.destroy_db(self.databasePath + '/mdbAnnotation')
self.openDatabases()
def destroy(db_dir: str = DIR) -> None:
destroy_db(db_dir)
def destroy(self):
"""Erase the hypergraph."""
self.db.close()
plyvel.destroy_db(self.dir_path)
self.db = plyvel.DB(self.dir_path, create_if_missing=True)
def __truncatedb(self, dbname):
plyvel.destroy_db(self.__dbpath + '/' + dbname)
def destroy_db(database_name):
"""
Delete database_name database.
"""
print('Database destroyed.\n')
plyvel.destroy_db(database_name)
def destroy_store(self):
self.close()
plyvel.destroy_db(self._path)
def clearAnnotationDB(self):
logging.info('clearing annotation database')
if self.dbAnnotation is not None:
self.dbAnnotation.close()
plyvel.destroy_db(self.databasePath + '/mdbAnnotation')
self.dbAnnotation = plyvel.DB(self.databasePath + '/mdbAnnotation', create_if_missing=True)
def db_setup():
if to_empty_db:
plyvel.destroy_db(db_connection_name)
return plyvel.DB(db_connection_name, create_if_missing=True)