X @s]dZddlZddlmZddlmZdgZddZd d d dZdS) z 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") N)copystat)locksfile_move_safec CsttjdrEytjj||SWqEtk rAdSYqEXntjjtjj|tjjtjj|kS)NsamefileF)hasattrospathrOSErrornormcaseabspath)srcdstrD/home/ubuntu/projects/ifolica/build/django/django/core/files/move.py _samefiles  ri@Fc&Cst||rdSyG| rEtj|tjrEtd|ntj||dSWntk rnYnXt|d}tj|tjtj Bt tddB|stj ndB}zOt j |t jd}x/|dkr |j|}tj||qWWdt j|tj|XWdQXt||ytj|Wn[tk r}z;t |dddkrt |d dd krnWYdd}~XnXdS) ag 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``. Nz7Destination file %s exists and allow_overwrite is FalserbO_BINARYrwinerror errno )rraccessF_OKIOErrorrenamer openO_WRONLYO_CREATgetattrO_EXCLrlockLOCK_EXreadwriteZunlockcloserremove)Z old_file_nameZ new_file_name chunk_sizeZallow_overwriteZold_filefdZ current_chunkerrrrs4  &  0i) __doc__rshutilrZdjango.core.filesr__all__rrrrrrs