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issamefilet linkfilet copyfilet linkorcopyfilet overwrite_safelyiNi c C s1 t j | } t j | } t j j | | S( N( t ost statt patht samestat( t path1t path2t s1t s2( ( s3 /usr/lib/python2.7/site-packages/slip/util/files.pyt _issamefile# s c C s? | t k r t } n y t | | SWn | k
r: t SXd S( sE Check whether two paths point to the same file (i.e. are hardlinked).N( t Truet ExceptionR
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Attempt to atomically replace dstpath if it exists.R Nt prefixt dir( R t OSErrorR R t abspatht dirnamet basenameR t xranget tempfilet TMP_MAXt mktempt extsept linkt errnot EEXISTR t rename( t srcpatht dstpatht dstdnamet dstbnamet
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Abort operation if e.g. not enough space is available. Attempt to
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possible, attempt copying srcpath to dstpath.N( R R R t EMLINKt EPERMt EXDEVR ( R! R" R; R< R( ( ( s3 /usr/lib/python2.7/site-packages/slip/util/files.pyR s
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d k rt d | qn t j | d } d } | j | | j d } t j | | | r|| rlt j | | q|t j | n Wd | r| j n | rt j | n | rt j j | ry t j | WqqXn Xd S( s Safely overwrite a file by creating a temporary file in the same
directory, writing it, moving it over the original file, eventually
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