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Instead of importing this module directly, import os and refer to
this module as os.path. The "os.path" name is an alias for this
module on Posix systems; on other systems (e.g. Mac, Windows),
os.path provides the same operations in a manner specific to that
platform, and is an alias to another module (e.g. macpath, ntpath).
Some of this can actually be useful on non-Posix systems too, e.g.
for manipulation of the pathname component of URLs.
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W| S( s� Join two or more pathname components, inserting '/' as needed.
If any component is an absolute path, all previous path components
will be discarded. An empty last part will result in a path that
ends with a separator.R) t ( R, t endswith( t at pt patht b( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR = s
c C s` | j d � d } | | | | } } | rV | d t | � k rV | j d � } n | | f S( s� Split a pathname. Returns tuple "(head, tail)" where "tail" is
everything after the final slash. Either part may be empty.R) i ( t rfindt lent rstrip( R0 t it headt tail( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR R s
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d | f S( sJ Split a pathname into drive and path. On Posix, drive is always
empty.R- ( ( R0 ( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR h s c C s | j d � d } | | S( s) Returns the final component of a pathnameR) i ( R3 ( R0 R6 ( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR p s c C sO | j d � d } | | } | rK | d t | � k rK | j d � } n | S( s- Returns the directory component of a pathnameR) i ( R3 R4 R5 ( R0 R6 R7 ( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR x s
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r0 t SXt j | j � S( s& Test whether a path is a symbolic link( t ost lstatt errort AttributeErrort Falset statt S_ISLNKt st_mode( R1 t st( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR � s
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r( t SXt S( sC Test whether a path exists. Returns True for broken symbolic links( R; R< R= R? t True( R1 ( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR � s
c C s+ t j | � } t j | � } t | | � S( s9 Test whether two pathnames reference the same actual file( R; R@ R ( t f1t f2t s1t s2( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR � s c C s+ t j | � } t j | � } t | | � S( s: Test whether two open file objects reference the same file( R; t fstatR ( t fp1t fp2RG RH ( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR � s c C s" | j | j k o! | j | j k S( s5 Test whether two stat buffers reference the same file( t st_inot st_dev( RG RH ( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR � s c C s� t | � r t Sy1 t j | � } t j t t | d � � � } Wn t j k
rX t SX| j } | j } | | k r{ t S| j } | j } | | k r� t St S( s$ Test whether a path is a mount points ..(
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| | | � qU qU Wd S( sI Directory tree walk with callback function.
For each directory in the directory tree rooted at top (including top
itself, but excluding '.' and '..'), call func(arg, dirname, fnames).
dirname is the name of the directory, and fnames a list of the names of
the files and subdirectories in dirname (excluding '.' and '..'). func
may modify the fnames list in-place (e.g. via del or slice assignment),
and walk will only recurse into the subdirectories whose names remain in
fnames; this can be used to implement a filter, or to impose a specific
order of visiting. No semantics are defined for, or required of, arg,
beyond that arg is always passed to func. It can be used, e.g., to pass
a filename pattern, or a mutable object designed to accumulate
statistics. Passing None for arg is common.s4 In 3.x, os.path.walk is removed in favor of os.walk.t
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r� | SX| j } | j d � } | | | pd S( sO Expand ~ and ~user constructions. If user or $HOME is unknown,
do nothing.t ~R) i i t HOMEi����N( R, t findR4 R; t environt pwdt getpwuidt getuidt pw_dirt KeyErrort getpwnamR5 ( R1 R6 R` t userhomet pwent( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR � s*
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sZ Expand shell variables of form $var and ${var}. Unknown variables
are left unchanged.t $i����Nu \$(\w+|\{[^}]*\})s \$(\w+|\{[^}]*\})i i t {t }( t
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c C s/ t | t � r d n d \ } } | d k r1 | S| j d � } | rn | j d � rn | j d � rn d } n | j d � } g } xs | D]k } | d
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d k r� | j | � q� | r� | j � q� q� W| } | j | � } | r%| | | } n | p.| S( s0 Normalize path, eliminating double slashes, etc.u /u .R) R( R- s //s ///i s ..i����( u /u .( R) R( ( R- R( ( Rk R R, R t appendt popR ( R1 t slasht dott initial_slashest compst new_compst comp( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR P s, !
c C sR t | � sH t | t � r* t j � } n t j � } t | | � } n t | � S( s Return an absolute path.( R Rk R R; t getcwdut getcwdR R ( R1 t cwd( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR m s c C s" t d | i � \ } } t | � S( sl Return the canonical path of the specified filename, eliminating any
symbolic links encountered in the path.R- ( t
_joinrealpathR ( t filenameR1 t ok( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR% { s c C sk t | � r | d } t } n x?| r`| j t � \ } } } | s" | t k rY q" n | t k r� | r� t | � \ } } | t k r� t | t t � } q� q" t } q" n t | | � } t | � s� | } q" n | | k r| | } | d k r� q" n t | | � t f Sd | | <t
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f S( Ni ( R R t partitionR R R R R Rs R? R� R; t readlinkRD ( R1 t restt seenR[ t _t newpathR� ( ( s. /opt/alt/python27/lib64/python2.7/posixpath.pyR� � s:
!t darwinc C s� | s t d � � n g t | � j t � D] } | r+ | ^ q+ } g t | � j t � D] } | rY | ^ qY } t t | | g � � } t g t | � | | | } | s� t St | � S( s# Return a relative version of a paths no path specified( t
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