ó áp7]c@sjdZddlmZddlmZdefd„ƒYZerNd„Zn d„Zdd d „Z d S( s$ Handle file opening for read/write i˙˙˙˙(t_is_string_like(tPY3tEmptyContextManagercBs2eZdZd„Zd„Zd„Zd„ZRS(sw This class is needed to allow file-like object to be used as context manager, but without getting closed. cCs ||_dS(N(t_obj(tselftobj((s9lib/python2.7/site-packages/statsmodels/iolib/openfile.pyt__init__ scCs|jS(s)When entering, return the embedded object(R(R((s9lib/python2.7/site-packages/statsmodels/iolib/openfile.pyt __enter__scGstS(sDon't hide anything(tFalse(Rtargs((s9lib/python2.7/site-packages/statsmodels/iolib/openfile.pyt__exit__scCst|j|ƒS(N(tgetattrR(Rtname((s9lib/python2.7/site-packages/statsmodels/iolib/openfile.pyt __getattr__s(t__name__t __module__t__doc__RRR R (((s9lib/python2.7/site-packages/statsmodels/iolib/openfile.pyRs    cCsH|jdƒr1ddl}|j||d|ƒSt||d|ƒSdS(Ns.gzi˙˙˙˙tencoding(tendswithtgziptopen(tfnametmodeRR((s9lib/python2.7/site-packages/statsmodels/iolib/openfile.pyt_opens cCs<|jdƒr+ddl}|j||ƒSt||ƒSdS(Ns.gzi˙˙˙˙(RRR(RRRR((s9lib/python2.7/site-packages/statsmodels/iolib/openfile.pyR"s trcCs‚t|ƒrt|||ƒSy<d|kr5|jnd|ksMd|krW|jnWntk rwtdƒ‚nXt|ƒS(s7 Light wrapper to handle strings and let files (anything else) pass through. It also handle '.gz' files. Parameters ========== fname: string or file-like object File to open / forward mode: string Argument passed to the 'open' or 'gzip.open' function encoding: string For Python 3 only, specify the encoding of the file Returns ======= A file-like object that is always a context-manager. If the `fname` was already a file-like object, the returned context manager *will not close the file*. Rtwtas,fname must be a string or a file-like object(RRtreadtwritetAttributeErrort ValueErrorR(RRR((s9lib/python2.7/site-packages/statsmodels/iolib/openfile.pyt get_file_obj)s    N( Rtnumpy.lib._iotoolsRtstatsmodels.compat.pythonRtobjectRRtNoneR(((s9lib/python2.7/site-packages/statsmodels/iolib/openfile.pyts