Class ExceptionContextImpl

lib/sqlalchemy/engine/base.py:2439–2483

Implement the :class:`.ExceptionContext` interface.

class ExceptionContextImpl(ExceptionContext):
    """Implement the :class:`.ExceptionContext` interface."""

    __slots__ = (
        "connection",
        "engine",
        "dialect",
        "cursor",
        "statement",
        "parameters",
        "original_exception",
        "sqlalchemy_exception",
        "chained_exception",
        "execution_context",
        "is_disconnect",
        "invalidate_pool_on_disconnect",
        "is_pre_ping",
    )

    def __init__(
        self,
        exception: BaseException,
        sqlalchemy_exception: Optional[exc.StatementError],
        engine: Optional[Engine],
        dialect: Dialect,
        connection: Optional[Connection],
        cursor: Optional[DBAPICursor],
        statement: Optional[str],
        parameters: Optional[_DBAPIAnyExecuteParams],
        context: Optional[ExecutionContext],
        is_disconnect: bool,
        invalidate_pool_on_disconnect: bool,
        is_pre_ping: bool,
    ):
        self.engine = engine
        self.dialect = dialect
        self.connection = connection
        self.sqlalchemy_exception = sqlalchemy_exception
        self.original_exception = exception
        self.execution_context = context
        self.statement = statement
        self.parameters = parameters
        self.is_disconnect = is_disconnect
        self.invalidate_pool_on_disconnect = invalidate_pool_on_disconnect
        self.is_pre_ping = is_pre_ping


class Transaction(TransactionalContext):