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Some of this can actually be useful on non-Posix systems too, e.g. for manipulation of the pathname component of URLs. � N)�*�normcase�isabs�join� splitdrive�split�splitext�basename�dirname� commonprefix�getsize�getmtime�getatime�getctime�islink�exists�lexists�isdir�isfile�ismount� expanduser� expandvars�normpath�abspath�samefile� sameopenfile�samestat�curdir�pardir�sep�pathsep�defpath�altsep�extsep�devnull�realpath�supports_unicode_filenames�relpath�.z..�/�:z:/bin:/usr/binz /dev/nullc C s t | t � r d Sd Sd S)N� /r) )� isinstance�bytes)�path� r/ �./opt/alt/python34/lib64/python3.4/posixpath.py�_get_sep& s r1 c C s7 t | t t f � s3 t d j | j j � � � n | S)z6Normalize case of pathname. Has no effect under Posixz2normcase() argument must be str or bytes, not '{}')r, r- �str� TypeError�format� __class__�__name__)�sr/ r/ r0 r 1 s c C s t | � } | j | � S)z Test whether a path is absolute)r1 � startswith)r7 r r/ r/ r0 r < s c G s� t | � } | } y^ xW | D]O } | j | � r: | } q | sP | j | � r] | | 7} q | | | 7} q WWnG t k r� t d d � | f | D� � r� t d � d � n � Yn X| S)z�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.c s s$ | ] } t | t t f � Vq d S)N)r, r2 r- )�.0r7 r/ r/ r0 � <genexpr>V s zjoin.<locals>.<genexpr>z.Can't mix strings and bytes in path componentsN)r1 r8 �endswithr3 �all)�a�pr r. �br/ r/ r0 r F s c C sx t | � } | j | � d } | d | � | | d � } } | rn | | t | � k rn | j | � } n | | f S)z�Split a pathname. Returns tuple "(head, tail)" where "tail" is everything after the final slash. Either part may be empty.� N)r1 �rfind�len�rstrip)r> r �i�head�tailr/ r/ r0 r c s ! c C s@ t | t � r d } d } n d } d } t j | | d | � S)Nr+ � .r) r( )r, r- � genericpath� _splitext)r> r r# r/ r/ r0 r s s c C s | d d � | f S)zJSplit a pathname into drive and path. On Posix, drive is always empty.Nr r/ )r> r/ r/ r0 r � s c C s- t | � } | j | � d } | | d � S)z)Returns the final component of a pathnamer@ N)r1 rA )r> r rD r/ r/ r0 r � s c C sa t | � } | j | � d } | d | � } | r] | | t | � k r] | j | � } n | S)z-Returns the directory component of a pathnamer@ N)r1 rA rB rC )r> r rD rE r/ r/ r0 r � s c C sB y t j | � } Wn t t f k r1 d SYn Xt j | j � S)z&Test whether a path is a symbolic linkF)�os�lstat�OSError�AttributeError�stat�S_ISLNK�st_mode)r. �str/ r/ r0 r � s c C s. y t j | � Wn t k r) d SYn Xd S)zCTest whether a path exists. Returns True for broken symbolic linksFT)rJ rK rL )r. r/ r/ r0 r � s c C s� y t j | � } Wn t k r+ d SYn Xt j | j � rB d St | t � rc t | d � } n t | d � } y t j | � } Wn t k r� d SYn X| j } | j } | | k r� d S| j } | j } | | k r� d Sd S)z$Test whether a path is a mount pointFs ..z..T) rJ rK rL rN rO rP r, r- r �st_dev�st_ino)r. �s1�parent�s2�dev1�dev2�ino1�ino2r/ r/ r0 r � s, c C s� t | t � r d } n d } | j | � s1 | St | � } | j | d � } | d k rj t | � } n | d k r� d t j k r� d d l } | j t j � � j } q.t j d } nr d d l } | d | � } t | t � r� t | d � } n y | j | � } Wn t k r$| SYn X| j } t | t � rUt j | � } d } n d } | j | � } | | | d � p�| S) zOExpand ~ and ~user constructions. If user or $HOME is unknown, do nothing.� ~�~r@ r �HOMEN�ASCIIr+ r) )r, r- r8 r1 �findrB rJ �environ�pwd�getpwuid�getuid�pw_dirr2 �getpwnam�KeyError�fsencoderC ) r. �tilder rD ra �userhome�name�pwent�rootr/ r/ r0 r � s: c C s� t | t � rs d | k r | St sI d d l } | j d | j � a n t j } d } d } t t d d � } nX d | k r� | St s� d d l } | j d | j � a n t j } d } d } t j } d } x| | | � } | s� Pn | j d � \ } } | j d � } | j | � rB| j | � rB| d d � } n y< | d k rst j t j t j | � � } n | | } Wn t k r�| } Yq� X| | d � } | d | � | } t | � } | | 7} q� W| S)zZExpand shell variables of form $var and ${var}. Unknown variables are left unchanged.� $r Ns \$(\w+|\{[^}]*\})� {� }�environb�$z\$(\w+|\{[^}]*\})�{�}r@ ���)r, r- � _varprogb�re�compiler^ �search�getattrrJ �_varprogr` �span�groupr8 r; rg �fsdecoderf rB ) r. rv rx �start�endr` rD �m�jrj �valuerF r/ r/ r0 r sN " c C s^ t | t � r* d } d } d } d } n d } d } d } d } | | k rR | S| j | � } | r� | j | d � r� | j | d � r� d } n | j | � } g } xy | D]q } | | | f k r� q� n | | k s| r� | s| r| d | k r| j | � q� | r� | j � q� q� W| } | j | � } | rT| | | } n | p]| S) z0Normalize path, eliminating double slashes, etc.r+ � rG s ..r) � r( z..� � r@ rt )r, r- r8 r �append�popr ) r. r �empty�dot�dotdot�initial_slashes�comps� new_comps�compr/ r/ r0 r > s< ' c C sR t | � sH t | t � r* t j � } n t j � } t | | � } n t | � S)zReturn an absolute path.)r r, r- rJ �getcwdb�getcwdr r )r. �cwdr/ r/ r0 r c s c C s, t | d d � | i � \ } } t | � S)zlReturn the canonical path of the specified filename, eliminating any symbolic links encountered in the path.Nr )� _joinrealpathr )�filenamer. �okr/ r/ r0 r% q s "c C s� t | t � r$ d } d } d } n d } d } d } t | � r[ | d d � } | } n x?| r�| j | � \ } } } | s^ | | k r� q^ n | | k r� | r� t | � \ } } | | k r� t | | | � } q� q^ | } q^ n t | | � } t | � s| } q^ n | | k rK| | } | d k r8q^ n t | | � d f Sd | | <t | t j | � | � \ } } | s�t | | � d f S| | | <q^ W| d f S) Nr+ rG s ..r) r( z..r@ FT) r, r- r � partitionr r r r� rJ �readlink) r. �rest�seenr r r rj �_�newpathr� r/ r/ r0 r� y sH !r� �darwinc C s� | s t d � � n t | t � r9 d } d } d } n d } d } d } | d k r` | } n d d � t | � j | � D� } d d � t | � j | � D� } t t | | g � � } | g t | � | | | d � } | s� | St | � S) z#Return a relative version of a pathzno path specifiedrG r+ s ..r( r) z..Nc S s g | ] } | r | � q Sr/ r/ )r9 �xr/ r/ r0 � <listcomp>� s zrelpath.<locals>.<listcomp>c S s g | ] } | r | � q Sr/ r/ )r9 r� r/ r/ r0 r� � s )� ValueErrorr, r- r r rB r r ) r. r~ r r r � start_list� path_listrD �rel_listr/ r/ r0 r' � s$ ""%)&�__doc__rJ �sysrN rH �__all__r r r# r r r! r" r$ r1 r r r r r rI r r r r r r r rz ru r r r r% r� �platformr& r' r/ r/ r/ r0 �<module> sV ) * 4 % 3
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