U õÕ/ep ã@sjdZddlmZddlZe e¡ZddlZddlm Z ddl m Z m Z m Z dZe d ddd d œd d „ƒZdS)zE Provide functions for manipulating environment variables in tests. é)Ú annotationsN)Úcontextmanager)ÚAnyÚIteratorÚMapping)ÚenvsetzMapping[str, str] | NonerzIterator[None])ÚvalueÚkwÚreturncksHtj ¡}|rtj |¡tjjf|ŽdVtj ¡tj |¡dS)zî Temporarily set environment variables and undo the updates on exit. Args: value (optional) : A mapping of strings to strings to apply to os.environ Any remaining keywoard args are applied to os.environ N)ÚosÚenvironÚcopyÚupdateÚclear)rr Úold©rú;/tmp/pip-unpacked-wheel-f5fndrjf/bokeh/_testing/util/env.pyr(s   r)N)Ú__doc__Ú __future__rÚloggingÚ getLoggerÚ__name__Úlogr Ú contextlibrÚtypingrrrÚ__all__rrrrrÚs