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j#dGkZ$dJdHd.Z%dId/ Z&dS )Ka Common operations on Posix pathnames.
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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r3 c C s. t j| } t| ttfs*tdj| jj| S )z6Normalize case of pathname. Has no effect under Posixz2normcase() argument must be str or bytes, not '{}') osfspathr. r/ str TypeErrorformat __class____name__)sr1 r1 r2 r 4 s
c C s t j| } t| }| j|S )z Test whether a path is absolute)r4 r5 r3
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d| f| Y nX |S )zJoin two or more pathname components, inserting '/' as needed.
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ends with a separator.Nr r ) r4 r5 r3 mapr< endswithr7 AttributeError BytesWarning genericpath_check_arg_types)apr" r0 br1 r1 r2 r K s
c C s` t j| } t| }| j|d }| d| | |d }}|rX||t| krX|j|}||fS )zSplit a pathname. Returns tuple "(head, tail)" where "tail" is
everything after the final slash. Either part may be empty. N)r4 r5 r3 rfindlenrstrip)rD r" iheadtailr1 r1 r2 r
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c C s6 t j| } t| tr d}d}nd}d}tj| |d |S )Nr- .r r )r4 r5 r. r/ rA _splitext)rD r" r& r1 r1 r2 r y s
c C s t j| } | dd | fS )zJSplit a pathname into drive and path. On Posix, drive is always
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c C s, t j| } t| }| j|d }| |d S )z)Returns the final component of a pathnamerF N)r4 r5 r3 rG )rD r" rJ r1 r1 r2 r s
c C sN t j| } t| }| j|d }| d| }|rJ||t| krJ|j|}|S )z-Returns the directory component of a pathnamerF N)r4 r5 r3 rG rH rI )rD r" rJ rK r1 r1 r2 r
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r& dS X tj|jS )z&Test whether a path is a symbolic linkF)r4 lstatOSErrorr? statS_ISLNKst_mode)r0 str1 r1 r2 r s
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r | S X |j }t| trt j|}d}nd }|j|}|| |d p2|S )
zOExpand ~ and ~user constructions. If user or $HOME is unknown,
do nothing. ~~rF r HOMENASCIIr- r )r4 r5 r. r/ r< r3 findrH environpwdgetpwuidgetuidpw_dirKeyErrorr6 getpwnamfsencoderI ) r0 tilder" rJ rd userhomenamepwentrootr1 r1 r2 r sB
c C s\ t j| } t| trVd| kr | S ts:ddl}|jd|jatj}d}d}t t dd}n:d| krb| S t
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are left unchanged. $r Ns \$(\w+|\{[^}]*\}) { }environb$z\$(\w+|\{[^}]*\}){}rF )r4 r5 r. r/ _varprogbrecompilera searchgetattr_varprogrc spangroupr< r> rj fsdecoderh rH ) r0 ry r{ startendrc rJ mjrm valuerL r1 r1 r2 r sP
c C s t j| } t| tr&d}d}d}d}nd}d}d}d}| |krB|S | j|}|rr| j|d rr| j|d
rrd }| j|}g }xV|D ]N}|||fkrq||ks| r| s|r|d |kr|j| q|r|j qW |}|j|} |r|| | } | p|S )
z0Normalize path, eliminating double slashes, etc.r- rM s ..r r z.. rF rw ) r4 r5 r. r/ r< r
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c C s@ t j| } t| s8t| tr&t j }nt j }t|| } t| S )zReturn an absolute path.) r4 r5 r r. r/ getcwdbgetcwdr r )r0 cwdr1 r1 r2 r x s
F)strictc C s, t j| } t| dd | |i \}}t|S )zlReturn the canonical path of the specified filename, eliminating any
symbolic links encountered in the path.Nr )r4 r5
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r, tjd| Y nX d S )zDGiven a sequence of path names, returns the longest common sub-path.z%commonpath() arg is an empty sequencer r- rM r r c s g | ]}|j qS r1 )r
)r r0 )r" r1 r2 r s z commonpath..c 3 s | ]}|d d kV qd S )NrF r1 )r rD )r" r1 r2 s z commonpath..z%Can't mix absolute and relative pathsNc s g | ]} fd d|D qS )c s g | ]}|r| kr|qS r1 r1 )r c)r r1 r2 r s z)commonpath...r1 )r r; )r r1 r2 r s r+ )r+ )r tupler= r4 r5 r. r/ setminmax enumerater r7 r? rA rB ) paths split_pathsr rW rY commonrJ r prefixr1 )r r" r2 r+ s6 )N)'__doc__r r! r& r" r# r$ r% r' r4 sysrQ rA __all__r3 r r r r
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