U /e@sdZddlmZddlZeeZddlZddlZddl m Z m Z m Z m Z ddlmZdZdddd d Zd d d dZdddddZdddddZdddddZdS)z ) annotationsN)basenamedirnamejoinsplitext)NamedTemporaryFile)default_filenamedetect_current_filename temp_filenamestr)extreturncCsp|dkrtdt}|dkr&t|St|p4t}t|sFt|rNt|Stt |\}}t ||d|S)a Generate a default filename with a given extension, attempting to use the filename of the currently running process, if possible. If the filename of the current process is not available (or would not be writable), then a temporary file with the given extension is returned. Args: ext (str) : the desired extension for the filename Returns: str Raises: RuntimeError If the extensions requested is ".py" pyz0asked for a default filename with 'py' extensionN.) RuntimeErrorr r rosgetcwd _no_access_shares_exec_prefixrrr)r filenamebasedirname_r1/tmp/pip-unpacked-wheel-f5fndrjf/bokeh/io/util.pyr4srz str | None)r cCsTddl}d}|}|dk rPz.|jr<|jddkr<|j}q|jd}W5~X|S)z Attempt to return the filename of the currently running Python process Returns None if the filename cannot be detected. rNr__main____file__)inspect currentframef_back f_globalsget)rrframerrrr Vsr cCstd|djS)zG Generate a temporary, writable filename with the given extension r)suffix)rr)r rrrr jsr bool)rr cCst|tjtjB S)zG Return True if the given base dir is not accessible or writeable )raccessW_OKX_OK)rrrrrtsrcCstj}|dk o||S)zA Whether a give base directory is on the system exex prefix N)sys exec_prefix startswith)rprefixrrrrzsr)__doc__ __future__rlogging getLogger__name__logrr(os.pathrrrrtempfiler__all__rr r rrrrrrs   "