Raymond Hettinger wrote:

These names should be changed to __beginwith__ and __endwith__. The

Alternatively: __begincontext__ / __endcontext__ __enterwith__ / __exitwith__ __entercontext__ / __exitcontext__ __begin_with__ / __end_with__ __begin_context__ / __end_context__ __enter_with__ / __exit_with__ __enter_context__ / __exit_context__ :) Tim Delaney