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import logging
import threading

from playhouse.sqlite_ext import SqliteExtDatabase


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(SqliteExtDatabase):
    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,
        )