%PDF-
%PDF-
Mini Shell
Mini Shell
"""
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Copyright © 2019 Cloud Linux Software Inc.
This software is also available under ImunifyAV commercial license,
see <https://www.imunify360.com/legal/eula>
"""
import logging
from peewee import SqliteDatabase
import threading
class OverridingReset(Exception):
"""
Overriding reset could be a signal of logic error
thus need to be explicitly handled in all places where
this exception is expected to occur.
"""
pass
logger = logging.getLogger(__name__)
_thread_local_storage = threading.local()
class SqliteDatabaseWrapper(SqliteDatabase):
def execute_sql(self, *args, **kwargs):
_validate(*args, **kwargs)
return super().execute_sql(*args, **kwargs)
def reset(new_value=None):
if hasattr(_thread_local_storage, 'thread_ident_memo'):
raise OverridingReset()
_thread_local_storage.thread_ident_memo = \
new_value or threading.get_ident()
def _validate(*args, **kwargs):
thread_ident_memo = getattr(_thread_local_storage,
'thread_ident_memo',
None)
if thread_ident_memo is None:
logger.error("wrong thread or _validate() was not preceded by reset()")
elif (thread_ident_memo != threading.get_ident()):
logger.error("thread_ident_memo check failed [%r != %r]\n"
"context:\nargs: %s\nkwargs: %s",
thread_ident_memo,
threading.get_ident(),
args,
kwargs)
Zerion Mini Shell 1.0