contextlib — Utilities for with-statement contexts — Python 3.7.1rc1 documentationcontextlib — Utilities for with-statement contexts¶ Source code: Lib/contextlib.py This module provides utilities for common tasks involving the with statement. For more information see also Context Manager Types and With Statement Context Managers. Utilities¶ Functions and classes provided: class contextlib.AbstractContextManager¶ An abstract base class for classes that implement object.__enter__
