U SZf@s>dZddlmZddlZddlZeeZeZ dddZ dS)zO Stand-alone module to provide information about whether optional deps exist. ) import_moduleNTcCsx|stj|dS|tkrtz t|WStk rBt|Yn2tk rrt|d|}t |YnXdS)a  Return module or None. Absolute import is required. :param (str) name: Dot-separated module path. E.g., 'scipy.stats'. :raise: (ImportError) Only when exc_msg is defined. :return: (module|None) If import succeeds, the module will be returned. Nz Error importing optional module ) sysmodulesget_not_importabler ImportErroradd Exceptionlogger exception)nameZ should_loadmsgrB/tmp/pip-unpacked-wheel-5ksk5baj/_plotly_utils/optional_imports.py get_modules    r)T) __doc__ importlibrloggingr getLogger__name__r setrrrrrrs