ó Žâ0_c@scdZddlZddlZddlmZddlmZdgZd„Zd e d „Z dS( sž Move a file in the safest way possible:: >>> from django.core.files.move import file_move_safe >>> file_move_safe("/tmp/old_file", "/tmp/new_file") i˙˙˙˙N(tcopystat(tlockstfile_move_safecCs{ttjdƒrAytjj||ƒSWqAtk r=tSXntjjtjj|ƒƒtjjtjj|ƒƒkS(Ntsamefile(thasattrtostpathRtOSErrortFalsetnormcasetabspath(tsrctdst((s8/tmp/pip-unpacked-wheel-BAJOf3/django/core/files/move.pyt _samefiles ii@c CsŰt||ƒrdSyG| rEtj|tjƒrEtd|ƒ‚ntj||ƒdSWntk rmnXt|dƒł}tj|tjtj Bt tddƒB|sľtj ndBƒ}zOt j |t jƒd}x/|dkr |j|ƒ}tj||ƒqŢWWdt j|ƒtj|ƒXWdQXyt||ƒWn4tk ry}t |ddƒtjkrz‚qznXytj|ƒWnItk rÖ}t |ddƒd kr×t |ddƒd krׂq×nXdS( sg Moves a file from one location to another in the safest way possible. First, tries ``os.rename``, which is simple but will break across filesystems. If that fails, streams manually from one file to another in pure Python. If the destination file exists and ``allow_overwrite`` is ``False``, this function will throw an ``IOError``. Ns7Destination file %s exists and allow_overwrite is FalsetrbtO_BINARYitterrnotwinerrori i (R RtaccesstF_OKtIOErrortrenameRtopentO_WRONLYtO_CREATtgetattrtO_EXCLRtlocktLOCK_EXtNonetreadtwritetunlocktcloseRRtEPERMtremove(t old_file_namet new_file_namet chunk_sizetallow_overwritetold_filetfdt current_chunkte((s8/tmp/pip-unpacked-wheel-BAJOf3/django/core/files/move.pyRs<  &  0i( t__doc__RRtshutilRtdjango.core.filesRt__all__R RR(((s8/tmp/pip-unpacked-wheel-BAJOf3/django/core/files/move.pyts